diff --git a/README.md b/README.md
index ec6d6fc1..1be09c7b 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 JS9: astronomical image display everywhere
 ==========================================
 
-![JS9](js9Readme.png)
+![JS9](images/js9Readme.png)
 
 What does it do?
 ----------------
diff --git a/js9Readme.png b/images/js9Readme.png
similarity index 100%
rename from js9Readme.png
rename to images/js9Readme.png
diff --git a/js9-allinone.js b/js9-allinone.js
index ef878ed9..a1d7ef09 100644
--- a/js9-allinone.js
+++ b/js9-allinone.js
@@ -4226,37 +4226,36 @@ this.setRotate(b);break;case "scale":this.setScale(b);break;case "scalemin":a=th
 f)&&f.push(h.display.image);try{for(e=0;e<c.length;e++){var k=c[e];switch(k){case "alignment":h.alignPanZoom(this);break;case "contrastbias":var l=this.getParam("contrast");h.setParam("contrast",l);l=this.getParam("bias");h.setParam("bias",l);break;case "pan":l=this.getPan();h.setPan(a.pix2pix(this,h,{x:l.ox,y:l.oy}));break;case "regions":this.copyRegions(h);break;case "shapes":d.layer&&this.copyShapes(d.layer,h);break;case "wcs":l=this.getParam("wcssys");h.setParam("wcssys",l);l=this.getParam("wcsunits");
 h.setParam("wcsunits",l);break;default:l=this.getParam(k),h.setParam(k,l)}}}catch(m){a.error("could not copy params for "+h.id)}finally{if(f.length)for(g=0;g<f.length;g++)f[g].displayImage()}}}}};a.Image.prototype.getStatus=function(c){if(!a.isNull(c)&&"string"===typeof c)switch(c.toLowerCase()){case "close":return this.status.close;case "displaysection":case "displayextension":return this.status.displaySection;case "createmosaic":return this.status.createMosaic;case "load":case "preload":return a.fetchURL.status?
 a.fetchURL.status:this.status.load;case "loadcatalog":return this.status.loadCatalog;case "loadcolormap":return this.status.loadColormap;case "loadproxy":return this.status.loadProxy;case "loadregions":return this.status.loadRegions;case "loadsession":return this.status.loadSession;case "reproject":case "reprojectdata":case "rotate":case "rotatedata":return this.status.reprojectData;case "runanalysis":return this.status.runAnalysis;case "separate":return this.status.separate;case "uploadfitsfile":return this.status.uploadFITSFile}};
-a.Image.prototype.setStatus=function(c,b){if(a.notNull(c)&&a.notNull(b))switch(b){case "error":case "complete":delete this.status.cur;break;default:this.status.cur=c}this.status[c]=b};a.Image.prototype.dataminmax=function(c,b){var d=Number.isNaN(this.params.scalemin)||void 0===this.params.scalemin,e=Number.isNaN(this.params.scalemax)||void 0===this.params.scalemax;if("dataminmax"===this.params.scaleclipping){if(this.raw.dmin===this.params.scalemin||void 0===this.raw.dmin)d=!0;if(this.raw.dmax===this.params.scalemax||
-void 0===this.raw.dmax)e=!0}if(void 0!==c&&void 0!==b)this.raw.dmin=c,this.raw.dmax=b;else if(this.raw.dmin=Number.MAX_VALUE,this.raw.dmax=Number.MIN_VALUE,0<this.raw.bitpix)if(void 0!==this.raw.header.BLANK)for(b=this.raw.header.BLANK,c=0;c<this.raw.data.length;c++)this.raw.data[c]!==b&&(this.raw.dmin=Math.min(this.raw.dmin,this.raw.data[c]),this.raw.dmax=Math.max(this.raw.dmax,this.raw.data[c]));else for(c=0;c<this.raw.data.length;c++)this.raw.dmin=Math.min(this.raw.dmin,this.raw.data[c]),this.raw.dmax=
-Math.max(this.raw.dmax,this.raw.data[c]);else for(c=0;c<this.raw.data.length;c++)Number.isNaN(this.raw.data[c])||(this.raw.dmin=Math.min(this.raw.dmin,this.raw.data[c]),this.raw.dmax=Math.max(this.raw.dmax,this.raw.data[c]));d&&(this.params.scalemin=this.raw.dmin);e&&(this.params.scalemax=this.raw.dmax);this.params.precision=a.floatPrecision(this.params.scalemin,this.params.scalemax);return this};a.Image.prototype.zscale=function(c){if(!a.zscale||!this.raw||!this.raw.data)return this;var b=this.raw.data;
-var d=b.length*b.BYTES_PER_ELEMENT;try{var e=a.vmalloc(d)}catch(f){a.error("image too large for zscale malloc: "+d,f)}try{a.vmemcpy(new Uint8Array(b.buffer),e)}catch(f){a.error("can't copy image to zscale heap: "+d,f)}b=a.zscale(e,this.raw.width,this.raw.height,this.raw.bitpix,this.params.zscalecontrast,this.params.zscalesamples,this.params.zscaleline);a.vfree(e);e=b.trim().split(/\s+/);this.params.z1=parseFloat(e[0]);this.params.z2=parseFloat(e[1]);"zmax"===c?(this.params.scalemin=this.params.z1,
-this.params.scalemax=this.raw.dmax):c&&(this.params.scalemin=this.params.z1,this.params.scalemax=this.params.z2);this.params.precision=a.floatPrecision(this.params.scalemin,this.params.scalemax);return this};a.Image.prototype.countsInRegions=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=this,f,g;d="field";var h="",k=function(b,c,d){var f=/(annulus|box|circle|ellipse|line|polygon|point|text) *\(/;if(!b)return d;if("string"===typeof b){c=e.expandMacro(b);if(!c)return d;
-if(c.match(f))return c}(f=e.getShapes("regions",b))&&f.length||a.error("no regions found: "+b);c="";for(b=0;b<f.length;b++){var g=f[b];e.params.wcssys?(c||(c=g.wcssys||""),c+="; "+g.wcsstr):(c||(c=g.imsys||""),c+="; "+g.imstr)}return c||d};this.raw.hdu&&this.raw.hdu.fits&&this.raw.hdu.fits.vfile||a.error("no virtual file available for regcnts: "+this.id);for(f=0;f<b.length;f++){var l=b[f];if("string"===typeof l&&"{"===l.charAt(0))try{b[f]=JSON.parse(l)}catch(n){a.error("can't parse JSON arg in regcnts: "+
-l,n)}}switch(b.length){case 0:break;case 1:"object"===typeof b[0]?g=b[0]:d=k(b[0],"$sregions","field");break;case 2:d=k(b[0],"$sregions","field");"object"===typeof b[1]?g=b[1]:h=k(b[1],"$bregions","");break;default:d=k(b[0],"$sregions","field"),h=k(b[1],"$bregions",""),g=b[2]}g=g||{};g.reduce=g.reduce||a.globalOpts.reduceRegcnts;g.dim=g.dim||Math.max(a.globalOpts.image.xdim,a.globalOpts.image.ydim);f=g.cmdswitches||"";b=this.raw.hdu.fits.vfile;(l=this.file.match(/\[.*\]/))&&(b+=l);"table"===this.imtab?
-(l=this.raw.hdu.table.filter)&&!b.match(l)&&(b=b.match(/\]\[/)?b.slice(0,-1)+"&&"+l+"]":b+("["+l+"]")):3===this.raw.header.NAXIS&&0>f.search(/(^| )-c/)&&(f+=" -c "+(this.raw.hdu.slice||1));if(g.reduce&&!this.parentFile&&(l=this.fileDimensions(),l=Math.floor(Math.max(l.xdim,l.ydim)/g.dim+.5),1<l))if("table"===this.imtab)f+=" -b "+l;else{var m="bin"+l+"_"+b.split("/").reverse()[0];a.imsection(b,m,"0@0,0@0,"+l,"");b=m}a.waiting(!0,this.display);l=a.regcnts(b,d,h,f);a.waiting(!1);m&&a.vunlink(m);(l.match(/^ERROR/)||
-l.match(/FITSIO status/))&&a.error(l);g.lightwin&&this.displayAnalysis("text",l,{divid:a.globalOpts.analysisDiv});return l};a.Image.prototype.radialProfile=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=[];var f={cmdswitches:"-j -r"};for(d=0;d<b.length;d++)if("object"===typeof b[d]){var g=$.extend(!0,{},b[d],f);e.push(g);var h=g}else e.push(b[d]);g||e.push(f);h=h||{};if(d=this.countsInRegions.apply(this,$jscomp.arrayFromIterable(e)))try{var k=JSON.parse(d)}catch(l){a.error("can't parse regcnts JSON",
-l)}k&&k.columnUnits&&k.columnUnits.radii||a.error("no radii available for radial profile");d=k.columnUnits.radii;b=k.columnUnits.surfBrightness;g=h.color||"green";e=h.errorcolor||"red";h=a.isNull(h.errorbars)||h.errorbars?"y":"n";h={color:sprintf("%s",g),label:sprintf("surface brightness(%s) vs. radius(%s)",b,d),points:{errorbars:sprintf("%s",h),yerr:{show:"true",color:sprintf("%s",e)}},data:[]};for(d=0;d<k.backgroundSubtractedResults.length;d++)b=k.backgroundSubtractedResults[d],("undefined"===b.radius2||
-"NA"===b.radius2||b.radius1>b.radius2)&&a.error("radial profile source region must be an annulus"),b=[(b.radius1+b.radius2)/2,b.surfBrightness,b.surfError],h.data.push(b);return this.displayAnalysis("plot",h,{divid:a.globalOpts.analysisDiv})};a.Image.prototype.plot3d=function(c,b,d){var e,f,g=[];this.raw.header&&3===this.raw.header.NAXIS||a.error("plot3d requires a data cube with 3 dimensions");d=$.extend(!0,{},d,a.globalOpts.plot3d);d.cube=d.cube||"*:*:all";var h=d.cube.split(":");for(e=0;e<h.length;e++)if("all"===
-h[e]){var k=e+1;break}k||a.error("plot3d requires specification of cube's third index");d.cmdswitches="-j -c "+d.cube;h=d.mode||"avg";d.areaunits?d.areaunits.match(/^p/)?(d.areaunits="pixels",d.cmdswitches+=" -p"):d.areaunits.match(/^a/)?d.areaunits="arcsec":(d.areaunits="pixels",d.cmdswitches+=" -p"):(d.areaunits="pixels",d.cmdswitches+=" -p");e=d.color||"green";if(c=this.countsInRegions(c,b,d))try{var l=JSON.parse(c)}catch(n){a.error("can't parse regcnts results: "+c,n)}l||a.error("no regcnts info available for plot3d");
-c=(c=this.raw.header["CTYPE"+String(k)])?c.toLowerCase():"slice";b="avg"===h?"pixels"===d.areaunits?"counts/pixel**2":"counts/arcsec**2":"summed counts";b={color:sprintf("%s",e),label:sprintf("%s vs %s ",b,c),data:[]};var m=this.raw.header["CRVAL"+String(k)]||0;k=this.raw.header["CDELT"+String(k)]||1;for(e=0;e<l.source.cubeSlices;e++){c="backgroundSubtractedResults"+String(e+1);for(f=g[e]=0;f<l[c].length;f++)g[e]="avg"===h?g[e]+l[c][f].surfBrightness:g[e]+l[c][f].netCounts;c=[e*k+m,g[e]];b.data.push(c)}return this.displayAnalysis("plot",
-b,{divid:d.divid||a.globalOpts.analysisDiv})};a.Image.prototype.rawDataLayer=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;e=e.next().value;if(!b.length)return this.raw.id;d=d||{};if("string"===typeof d)if("function"===typeof e)d={rawid:d};else{var f=d;for(b=0;b<this.raws.length;b++){var g=this.raws[b];if(f===g.id){if("remove"===e){f===a.RAWID0&&a.error("can't remove primary (raw0) data layer");if(g.hdu&&g.hdu.fits){var h=a.lookupVfile(g.hdu.fits.vfile);
-1>=h.length&&a.cleanupFITSFile(g,!0)}this.raw=this.raws[0];if(g.current0&&g.current0.id)for(h=0;h<this.raws.length;h++)if(g.current0.id===this.raws[h].id){this.raw=this.raws[h];break}for(h=0;h<a.images.length;h++)if(d=a.images[h],d.xeqstash)for(k in d.xeqstash)d.xeqstash.hasOwnProperty(k)&&d.xeqstash[k].id===f&&delete d.xeqstash[k];this.raws.splice(b,1)}else this.raw=g;this.raw.header.BITPIX&&(this.raw.bitpix=this.raw.header.BITPIX);this.imtab=this.raw.imtab||this.imtab;this.params.scalemin=void 0;
-this.params.scalemax=void 0;this.dataminmax();this.mkSection();this.initWCS();this.initLCS();this.displayImage("all");this.refreshLayers();a.globalOpts.extendedPlugins&&this.xeqPlugins("image","onrawdatalayer");return!0}}return!1}if("function"!==typeof e)return!1;if("string"===typeof d)try{d=JSON.parse(d)}catch(m){a.error("can't parse rawData opts: "+d,m)}var k=d.rawid||a.RAWIDX;void 0===d.oraw&&(d.oraw="current0");if("current"===d.oraw)f=this.raw;else if("current0"===d.oraw)f=this.raw.id===k?this.raw.current0:
-this.raw;else for(b=0;b<this.raws.length;b++)if(g=this.raws[b],d.oraw===g.id){f=g;break}f||(f=this.raws[0]);g=-1;for(b=0;b<this.raws.length;b++)if(k===this.raws[b].id){h=this.raws[b];g=b;break}if(0>g||d.alwaysCopy){h=$.extend(!0,{},f);h.current0=f;if(d.bitpix){switch(d.bitpix){case 8:h.data=new Uint8Array(f.height*f.width);break;case 16:h.data=new Int16Array(f.height*f.width);break;case -16:h.data=new Uint16Array(f.height*f.width);break;case 32:h.data=new Int32Array(f.height*f.width);break;case -32:h.data=
-new Float32Array(f.height*f.width);break;case -64:h.data=new Float64Array(f.height*f.width)}var l=h.width*h.height;for(b=0;b<l;b++)h.data[b]=f.data[b];h.bitpix=d.bitpix}else switch(f.bitpix){case 8:h.data=new Uint8Array(f.data);break;case 16:h.data=new Int16Array(f.data);break;case -16:h.data=new Uint16Array(f.data);break;case 32:h.data=new Int32Array(f.data);break;case -32:h.data=new Float32Array(f.data);break;case -64:h.data=new Float64Array(f.data)}h.id=k;h.from=d.from||h.from||"func"}e.call(this,
-f,h,d)&&(0<=g?this.raws[g]=h:this.raws.push(h),this.raw=h,this.raw.header.bitpix&&(this.raw.bitpix=this.raw.header.bitpix),!1!==d.dataminmax&&this.dataminmax(),d.updatewcs&&(this.initWCS(),this.initLCS()),d.resetpan&&this.setPan(),this.refreshLayers(),this.displayImage("all",d),this.reFlipRot());return!0};a.Image.prototype.gaussBlurData=function(c){var b={};void 0===c&&a.error("missing sigma value for gaussBlurData");this.params.sigma=c;b=b||{};if("string"===typeof b)try{b=JSON.parse(b)}catch(d){a.error("can't parse gaussBlur opts: "+
-b,d)}b.bitpix=-64===this.raw.bitpix?-64:-32;b.oraw="current0";b.alwaysCopy=!0;b.rawid=b.rawid||"gaussBlur";b.sigma=c;this.xeqStashSave("gaussBlurData",[c],b.rawid);this.rawDataLayer(b,function(b,e){switch(e.bitpix){case -32:var d=new Float32Array(e.data);break;case -64:d=new Float64Array(e.data);break;default:a.error("invalid temp bitpix for gaussBlur: "+e.bitpix)}gaussBlur(d,e.data,e.width,e.height,c);return!0});return this};a.Image.prototype.imarithData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-
-0]=arguments[d];var e=$jscomp.makeIterator(b),f=e.next().value;d=e.next().value;e=e.next().value;if(!b.length)return"add sub mul div min max reset".split(" ");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse imarith opts: "+e,g)}e.rawid=e.rawid||"imarith";if("reset"===f||"remove"===f)this.rawDataLayer(e.rawid,"remove");else{void 0!==f&&void 0!==d||a.error("missing arg(s) for image arithmetic");this.xeqStashSave("imarithData",b.slice(),e.rawid);switch(f){case "add":case "sub":case "mul":case "div":case "min":case "max":e.op=
-f;break;default:a.error("invalid operator for image arithmetic: "+f)}"object"===typeof d?(this.raw.width===d.raw.width&&this.raw.height===d.raw.height||a.error("images must be the same size for image arithmetic"),e.argtype="image",e.argval=d):a.isNumber(d)?(e.argtype="value",e.argval=d):((b=a.lookupImage(d))||a.error("imarith arg1 must be an image or a constant: "+d),e.argval=b,e.argtype="image");"div"===e.op&&"value"===e.argtype&&0===e.argval&&a.error("imarith can't divide by zero (nor can anyone else)");
-if(!e.bitpix)switch(e.argtype){case "image":e.bitpix=0<this.raw.bitpix&&0<e.argval.raw.bitpix?Math.max(this.raw.bitpix,e.argval.raw.bitpix):0>this.raw.bitpix&&0>e.argval.raw.bitpix?Math.min(this.raw.bitpix,e.argval.raw.bitpix):0>this.raw.bitpix&&0<e.argval.raw.bitpix?this.raw.bitpix:e.argval.raw.bitpix;break;case "value":e.bitpix=-64===this.raw.bitpix?-64:-32}e.alwaysCopy=!0;e.oraw="current";this.rawDataLayer(e,function(b,c,d){switch(d.argtype){case "image":b=d.argval.raw.data;switch(d.op){case "add":for(d=
-0;d<c.data.length;d++)c.data[d]+=b[d];break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b[d];break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b[d];break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=0===b[d]?0:c.data[d]/b[d];break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b[d]);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b[d]);break;default:a.error("unknown operation for imarith: "+d.op)}break;case "value":b=d.argval;switch(d.op){case "add":for(d=
-0;d<c.data.length;d++)c.data[d]+=b;break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b;break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b;break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=0===b?0:c.data[d]/b;break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b);break;default:a.error("unknown op for imarith: "+d.op)}break;default:a.error("unknown arg type for imarith: "+d.argtype)}return!0});
-return this}};a.Image.prototype.shiftData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;var f=e.next().value;e=e.next().value;void 0!==d&&void 0!==f||a.error("missing translation value(s) for shiftData");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse shift opts: "+e,g)}e.rawid=e.rawid||"shift";e.x=d;e.y=f;this.xeqStashSave("shiftData",b.slice(),e.rawid);this.rawDataLayer(e,function(a,b,c){var d=
-a.data.BYTES_PER_ELEMENT;void 0===b.xoff&&(b.xoff=0);void 0===b.yoff&&(b.yoff=0);b.xoff+=c.x;b.yoff+=c.y;if(!c.fill||"clear"===c.fill){if(0<b.bitpix){var e=c.blank||b.header.BLANK||0;b.header.BLANK=e}else e=NaN;if("function"===typeof b.data.fill)b.data.fill(e);else for(c=0;c<b.data.length;c++)b.data[c]=e}for(c=0;c<a.height;c++){var f=c+b.yoff;if(!(0>f||f>=a.height)){var g=0;var h=g+b.xoff;e=a.width;0>h&&(g-=h,e+=h,h=0);h+e>a.width&&(e-=h+e-a.width);if(0>=e)return!1;g=(c*a.width+g)*d;g=new Uint8Array(a.data.buffer,
-g,e*d);h=(f*a.width+h)*d;e=new Uint8Array(b.data.buffer,h,e*d);e.set(g)}}return!0});return this};a.Image.prototype.rotateData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e,f;var g=e=0;d=$jscomp.makeIterator(b);var h=d.next().value,k=d.next().value;this.raws&&this.raws[0]||a.error("no raw data for reprojection");d=this.raws[0];d.header&&d.wcsinfo||a.error("no WCS info available for reprojection");k=k||{};if("string"===typeof k)try{k=JSON.parse(k)}catch(p){a.error("can't parse rotate opts: "+
-k,p)}k.stash="rotateData";k.rawid="rotate";k.oraw=a.RAWID0;!0!==k.resetSection&&(k.resetSection=!1);var l=d.header;var m=$.extend(!0,{},l);k.center=k.center||a.globalOpts.rotationCenter;if("file"!==k.center&&0<this.raw.wcs){var n=this.getPan();(f=a.pix2wcs(this.raw.wcs,n.x,n.y).trim().split(/\s+/))&&1<f.length&&(m.CRPIX1=n.x,m.CRPIX2=n.y,m.CRVAL1=a.saostrtod(f[0]),":"===String.fromCharCode(a.saodtype())&&"galactic"!==this.params.wcssys&&"ecliptic"!==this.params.wcssys&&(m.CRVAL1*=15),m.CRVAL2=a.saostrtod(f[1]))}d.wcsinfo&&
-(e=d.wcsinfo.cdelt1||0,g=d.wcsinfo.cdelt2||0);if("string"===typeof h)switch(h.toLowerCase()){case "northisup":case "northup":h=0;0<e&&(e=-e);0>g&&(g=-g);break;default:h=parseInt(h,10)}a.notNull(l.CD1_1)?(g=-(h*Math.PI/180),e=Math.sin(g),g=Math.cos(g),m.CD1_1=l.CD1_1*g+l.CD1_2*e,m.CD1_2=l.CD1_1*-e+l.CD1_2*g,m.CD2_1=l.CD2_1*g+l.CD2_2*e,m.CD2_2=l.CD2_1*-e+l.CD2_2*g):(m.CROTA2=h,m.CDELT1=e,m.CDELT2=g);k.lcsUseRota2=!0;d.wcsinfo&&(m.ptype=d.wcsinfo.ptype);this.xeqStashSave("rotateData",b.slice(),k.rawid);
-return this.reprojectData(m,k)};a.Image.prototype.reproject=function(c,b){var d,e,f,g=!1;var h={};var k=/SIMPLE|BITPIX|NAXIS|NAXIS[1-4]|AMDX|AMDY|CD[1-2]_[1-2]|CDELT[1-4]|CNPIX[1-4]|CO1_[1-9][0-9]|CO2_[1-9][0-9]|CROTA[1-4]|CRPIX[1-4]|CRVAL[1-4]|CTYPE[1-4]|CUNIT[1-4]|DATE|DATE_OBS|DC-FLAG|DEC|DETSEC|DETSIZE|EPOCH|EQUINOX|EQUINOX[a-z]|IMAGEH|IMAGEW|LATPOLE|LONGPOLE|MJD-OBS|PC00[1-4]00[1-4]|PC[1-4]_[1-4]|PIXSCALE|PIXSCAL[1-2]|PLTDECH|PLTDECM|PLTDECS|PLTDECSN|PLTRAH|PLTRAM|PLTRAS|PPO|PROJP[1-9]|PROJR0|PV[1-3]_[1-3]|PV[1-4]_[1-4]|RA|RADECSYS|SECPIX|SECPIX|SECPIX[1-2]|UT|UTMID|VELOCITY|VSOURCE|WCSAXES|WCSDEP|WCSDIM|WCSNAME|XPIXSIZE|YPIXSIZE|ZSOURCE|LTM|LTV/;
+a.Image.prototype.setStatus=function(c,b){if(a.notNull(c)&&a.notNull(b))switch(b){case "error":case "complete":delete this.status.cur;break;default:this.status.cur=c}this.status[c]=b};a.Image.prototype.dataminmax=function(c,b){var d=this.raw;var e=this.params;var f=this.raw.data;var g=Number.isNaN(e.scalemin)||a.isNull(e.scalemin);var h=Number.isNaN(e.scalemax)||a.isNull(e.scalemax);if("dataminmax"===e.scaleclipping){if(d.dmin===e.scalemin||a.isNull(d.dmin))g=!0;if(d.dmax===e.scalemax||a.isNull(d.dmax))h=
+!0}if(a.notNull(c)&&a.notNull(b))d.dmin=c,d.dmax=b;else if(d.dmin=Number.MAX_VALUE,d.dmax=Number.MIN_VALUE,0<d.bitpix)if(void 0!==d.header.BLANK){var k=d.header.BLANK;for(c=0;c<f.length;c++)b=f[c],b!==k&&(b<d.dmin&&(d.dmin=b),b>d.dmax&&(d.dmax=b))}else for(c=0;c<f.length;c++)b=f[c],b<d.dmin&&(d.dmin=b),b>d.dmax&&(d.dmax=b);else for(c=0;c<f.length;c++)b=f[c],Number.isNaN(b)||(b<d.dmin&&(d.dmin=b),b>d.dmax&&(d.dmax=b));g&&(e.scalemin=d.dmin);h&&(e.scalemax=d.dmax);e.precision=a.floatPrecision(e.scalemin,
+e.scalemax);return this};a.Image.prototype.zscale=function(c){if(!a.zscale||!this.raw||!this.raw.data)return this;var b=this.raw.data;var d=b.length*b.BYTES_PER_ELEMENT;try{var e=a.vmalloc(d)}catch(f){a.error("image too large for zscale malloc: "+d,f)}try{a.vmemcpy(new Uint8Array(b.buffer),e)}catch(f){a.error("can't copy image to zscale heap: "+d,f)}b=a.zscale(e,this.raw.width,this.raw.height,this.raw.bitpix,this.params.zscalecontrast,this.params.zscalesamples,this.params.zscaleline);a.vfree(e);e=
+b.trim().split(/\s+/);this.params.z1=parseFloat(e[0]);this.params.z2=parseFloat(e[1]);"zmax"===c?(this.params.scalemin=this.params.z1,this.params.scalemax=this.raw.dmax):c&&(this.params.scalemin=this.params.z1,this.params.scalemax=this.params.z2);this.params.precision=a.floatPrecision(this.params.scalemin,this.params.scalemax);return this};a.Image.prototype.countsInRegions=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=this,f,g;d="field";var h="",k=function(b,c,d){var f=
+/(annulus|box|circle|ellipse|line|polygon|point|text) *\(/;if(!b)return d;if("string"===typeof b){c=e.expandMacro(b);if(!c)return d;if(c.match(f))return c}(f=e.getShapes("regions",b))&&f.length||a.error("no regions found: "+b);c="";for(b=0;b<f.length;b++){var g=f[b];e.params.wcssys?(c||(c=g.wcssys||""),c+="; "+g.wcsstr):(c||(c=g.imsys||""),c+="; "+g.imstr)}return c||d};this.raw.hdu&&this.raw.hdu.fits&&this.raw.hdu.fits.vfile||a.error("no virtual file available for regcnts: "+this.id);for(f=0;f<b.length;f++){var l=
+b[f];if("string"===typeof l&&"{"===l.charAt(0))try{b[f]=JSON.parse(l)}catch(n){a.error("can't parse JSON arg in regcnts: "+l,n)}}switch(b.length){case 0:break;case 1:"object"===typeof b[0]?g=b[0]:d=k(b[0],"$sregions","field");break;case 2:d=k(b[0],"$sregions","field");"object"===typeof b[1]?g=b[1]:h=k(b[1],"$bregions","");break;default:d=k(b[0],"$sregions","field"),h=k(b[1],"$bregions",""),g=b[2]}g=g||{};g.reduce=g.reduce||a.globalOpts.reduceRegcnts;g.dim=g.dim||Math.max(a.globalOpts.image.xdim,a.globalOpts.image.ydim);
+f=g.cmdswitches||"";b=this.raw.hdu.fits.vfile;(l=this.file.match(/\[.*\]/))&&(b+=l);"table"===this.imtab?(l=this.raw.hdu.table.filter)&&!b.match(l)&&(b=b.match(/\]\[/)?b.slice(0,-1)+"&&"+l+"]":b+("["+l+"]")):3===this.raw.header.NAXIS&&0>f.search(/(^| )-c/)&&(f+=" -c "+(this.raw.hdu.slice||1));if(g.reduce&&!this.parentFile&&(l=this.fileDimensions(),l=Math.floor(Math.max(l.xdim,l.ydim)/g.dim+.5),1<l))if("table"===this.imtab)f+=" -b "+l;else{var m="bin"+l+"_"+b.split("/").reverse()[0];a.imsection(b,
+m,"0@0,0@0,"+l,"");b=m}a.waiting(!0,this.display);l=a.regcnts(b,d,h,f);a.waiting(!1);m&&a.vunlink(m);(l.match(/^ERROR/)||l.match(/FITSIO status/))&&a.error(l);g.lightwin&&this.displayAnalysis("text",l,{divid:a.globalOpts.analysisDiv});return l};a.Image.prototype.radialProfile=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=[];var f={cmdswitches:"-j -r"};for(d=0;d<b.length;d++)if("object"===typeof b[d]){var g=$.extend(!0,{},b[d],f);e.push(g);var h=g}else e.push(b[d]);
+g||e.push(f);h=h||{};if(d=this.countsInRegions.apply(this,$jscomp.arrayFromIterable(e)))try{var k=JSON.parse(d)}catch(l){a.error("can't parse regcnts JSON",l)}k&&k.columnUnits&&k.columnUnits.radii||a.error("no radii available for radial profile");d=k.columnUnits.radii;b=k.columnUnits.surfBrightness;g=h.color||"green";e=h.errorcolor||"red";h=a.isNull(h.errorbars)||h.errorbars?"y":"n";h={color:sprintf("%s",g),label:sprintf("surface brightness(%s) vs. radius(%s)",b,d),points:{errorbars:sprintf("%s",
+h),yerr:{show:"true",color:sprintf("%s",e)}},data:[]};for(d=0;d<k.backgroundSubtractedResults.length;d++)b=k.backgroundSubtractedResults[d],("undefined"===b.radius2||"NA"===b.radius2||b.radius1>b.radius2)&&a.error("radial profile source region must be an annulus"),b=[(b.radius1+b.radius2)/2,b.surfBrightness,b.surfError],h.data.push(b);return this.displayAnalysis("plot",h,{divid:a.globalOpts.analysisDiv})};a.Image.prototype.plot3d=function(c,b,d){var e,f,g=[];this.raw.header&&3===this.raw.header.NAXIS||
+a.error("plot3d requires a data cube with 3 dimensions");d=$.extend(!0,{},d,a.globalOpts.plot3d);d.cube=d.cube||"*:*:all";var h=d.cube.split(":");for(e=0;e<h.length;e++)if("all"===h[e]){var k=e+1;break}k||a.error("plot3d requires specification of cube's third index");d.cmdswitches="-j -c "+d.cube;h=d.mode||"avg";d.areaunits?d.areaunits.match(/^p/)?(d.areaunits="pixels",d.cmdswitches+=" -p"):d.areaunits.match(/^a/)?d.areaunits="arcsec":(d.areaunits="pixels",d.cmdswitches+=" -p"):(d.areaunits="pixels",
+d.cmdswitches+=" -p");e=d.color||"green";if(c=this.countsInRegions(c,b,d))try{var l=JSON.parse(c)}catch(n){a.error("can't parse regcnts results: "+c,n)}l||a.error("no regcnts info available for plot3d");c=(c=this.raw.header["CTYPE"+String(k)])?c.toLowerCase():"slice";b="avg"===h?"pixels"===d.areaunits?"counts/pixel**2":"counts/arcsec**2":"summed counts";b={color:sprintf("%s",e),label:sprintf("%s vs %s ",b,c),data:[]};var m=this.raw.header["CRVAL"+String(k)]||0;k=this.raw.header["CDELT"+String(k)]||
+1;for(e=0;e<l.source.cubeSlices;e++){c="backgroundSubtractedResults"+String(e+1);for(f=g[e]=0;f<l[c].length;f++)g[e]="avg"===h?g[e]+l[c][f].surfBrightness:g[e]+l[c][f].netCounts;c=[e*k+m,g[e]];b.data.push(c)}return this.displayAnalysis("plot",b,{divid:d.divid||a.globalOpts.analysisDiv})};a.Image.prototype.rawDataLayer=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;e=e.next().value;if(!b.length)return this.raw.id;d=d||{};if("string"===
+typeof d)if("function"===typeof e)d={rawid:d};else{var f=d;for(b=0;b<this.raws.length;b++){var g=this.raws[b];if(f===g.id){if("remove"===e){f===a.RAWID0&&a.error("can't remove primary (raw0) data layer");if(g.hdu&&g.hdu.fits){var h=a.lookupVfile(g.hdu.fits.vfile);1>=h.length&&a.cleanupFITSFile(g,!0)}this.raw=this.raws[0];if(g.current0&&g.current0.id)for(h=0;h<this.raws.length;h++)if(g.current0.id===this.raws[h].id){this.raw=this.raws[h];break}for(h=0;h<a.images.length;h++)if(d=a.images[h],d.xeqstash)for(k in d.xeqstash)d.xeqstash.hasOwnProperty(k)&&
+d.xeqstash[k].id===f&&delete d.xeqstash[k];this.raws.splice(b,1)}else this.raw=g;this.raw.header.BITPIX&&(this.raw.bitpix=this.raw.header.BITPIX);this.imtab=this.raw.imtab||this.imtab;this.params.scalemin=void 0;this.params.scalemax=void 0;this.dataminmax();this.mkSection();this.initWCS();this.initLCS();this.displayImage("all");this.refreshLayers();a.globalOpts.extendedPlugins&&this.xeqPlugins("image","onrawdatalayer");return!0}}return!1}if("function"!==typeof e)return!1;if("string"===typeof d)try{d=
+JSON.parse(d)}catch(m){a.error("can't parse rawData opts: "+d,m)}var k=d.rawid||a.RAWIDX;void 0===d.oraw&&(d.oraw="current0");if("current"===d.oraw)f=this.raw;else if("current0"===d.oraw)f=this.raw.id===k?this.raw.current0:this.raw;else for(b=0;b<this.raws.length;b++)if(g=this.raws[b],d.oraw===g.id){f=g;break}f||(f=this.raws[0]);g=-1;for(b=0;b<this.raws.length;b++)if(k===this.raws[b].id){h=this.raws[b];g=b;break}if(0>g||d.alwaysCopy){h=$.extend(!0,{},f);h.current0=f;if(d.bitpix){switch(d.bitpix){case 8:h.data=
+new Uint8Array(f.height*f.width);break;case 16:h.data=new Int16Array(f.height*f.width);break;case -16:h.data=new Uint16Array(f.height*f.width);break;case 32:h.data=new Int32Array(f.height*f.width);break;case -32:h.data=new Float32Array(f.height*f.width);break;case -64:h.data=new Float64Array(f.height*f.width)}var l=h.width*h.height;for(b=0;b<l;b++)h.data[b]=f.data[b];h.bitpix=d.bitpix}else switch(f.bitpix){case 8:h.data=new Uint8Array(f.data);break;case 16:h.data=new Int16Array(f.data);break;case -16:h.data=
+new Uint16Array(f.data);break;case 32:h.data=new Int32Array(f.data);break;case -32:h.data=new Float32Array(f.data);break;case -64:h.data=new Float64Array(f.data)}h.id=k;h.from=d.from||h.from||"func"}e.call(this,f,h,d)&&(0<=g?this.raws[g]=h:this.raws.push(h),this.raw=h,this.raw.header.bitpix&&(this.raw.bitpix=this.raw.header.bitpix),!1!==d.dataminmax&&this.dataminmax(),d.updatewcs&&(this.initWCS(),this.initLCS()),d.resetpan&&this.setPan(),this.refreshLayers(),this.displayImage("all",d),this.reFlipRot());
+return!0};a.Image.prototype.gaussBlurData=function(c){var b={};void 0===c&&a.error("missing sigma value for gaussBlurData");this.params.sigma=c;b=b||{};if("string"===typeof b)try{b=JSON.parse(b)}catch(d){a.error("can't parse gaussBlur opts: "+b,d)}b.bitpix=-64===this.raw.bitpix?-64:-32;b.oraw="current0";b.alwaysCopy=!0;b.rawid=b.rawid||"gaussBlur";b.sigma=c;this.xeqStashSave("gaussBlurData",[c],b.rawid);this.rawDataLayer(b,function(b,e){switch(e.bitpix){case -32:var d=new Float32Array(e.data);break;
+case -64:d=new Float64Array(e.data);break;default:a.error("invalid temp bitpix for gaussBlur: "+e.bitpix)}gaussBlur(d,e.data,e.width,e.height,c);return!0});return this};a.Image.prototype.imarithData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b),f=e.next().value;d=e.next().value;e=e.next().value;if(!b.length)return"add sub mul div min max reset".split(" ");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse imarith opts: "+
+e,g)}e.rawid=e.rawid||"imarith";if("reset"===f||"remove"===f)this.rawDataLayer(e.rawid,"remove");else{void 0!==f&&void 0!==d||a.error("missing arg(s) for image arithmetic");this.xeqStashSave("imarithData",b.slice(),e.rawid);switch(f){case "add":case "sub":case "mul":case "div":case "min":case "max":e.op=f;break;default:a.error("invalid operator for image arithmetic: "+f)}"object"===typeof d?(this.raw.width===d.raw.width&&this.raw.height===d.raw.height||a.error("images must be the same size for image arithmetic"),
+e.argtype="image",e.argval=d):a.isNumber(d)?(e.argtype="value",e.argval=d):((b=a.lookupImage(d))||a.error("imarith arg1 must be an image or a constant: "+d),e.argval=b,e.argtype="image");"div"===e.op&&"value"===e.argtype&&0===e.argval&&a.error("imarith can't divide by zero (nor can anyone else)");if(!e.bitpix)switch(e.argtype){case "image":e.bitpix=0<this.raw.bitpix&&0<e.argval.raw.bitpix?Math.max(this.raw.bitpix,e.argval.raw.bitpix):0>this.raw.bitpix&&0>e.argval.raw.bitpix?Math.min(this.raw.bitpix,
+e.argval.raw.bitpix):0>this.raw.bitpix&&0<e.argval.raw.bitpix?this.raw.bitpix:e.argval.raw.bitpix;break;case "value":e.bitpix=-64===this.raw.bitpix?-64:-32}e.alwaysCopy=!0;e.oraw="current";this.rawDataLayer(e,function(b,c,d){switch(d.argtype){case "image":b=d.argval.raw.data;switch(d.op){case "add":for(d=0;d<c.data.length;d++)c.data[d]+=b[d];break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b[d];break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b[d];break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=
+0===b[d]?0:c.data[d]/b[d];break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b[d]);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b[d]);break;default:a.error("unknown operation for imarith: "+d.op)}break;case "value":b=d.argval;switch(d.op){case "add":for(d=0;d<c.data.length;d++)c.data[d]+=b;break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b;break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b;break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=
+0===b?0:c.data[d]/b;break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b);break;default:a.error("unknown op for imarith: "+d.op)}break;default:a.error("unknown arg type for imarith: "+d.argtype)}return!0});return this}};a.Image.prototype.shiftData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;var f=e.next().value;e=e.next().value;
+void 0!==d&&void 0!==f||a.error("missing translation value(s) for shiftData");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse shift opts: "+e,g)}e.rawid=e.rawid||"shift";e.x=d;e.y=f;this.xeqStashSave("shiftData",b.slice(),e.rawid);this.rawDataLayer(e,function(a,b,c){var d=a.data.BYTES_PER_ELEMENT;void 0===b.xoff&&(b.xoff=0);void 0===b.yoff&&(b.yoff=0);b.xoff+=c.x;b.yoff+=c.y;if(!c.fill||"clear"===c.fill){if(0<b.bitpix){var e=c.blank||b.header.BLANK||0;b.header.BLANK=
+e}else e=NaN;if("function"===typeof b.data.fill)b.data.fill(e);else for(c=0;c<b.data.length;c++)b.data[c]=e}for(c=0;c<a.height;c++){var f=c+b.yoff;if(!(0>f||f>=a.height)){var g=0;var h=g+b.xoff;e=a.width;0>h&&(g-=h,e+=h,h=0);h+e>a.width&&(e-=h+e-a.width);if(0>=e)return!1;g=(c*a.width+g)*d;g=new Uint8Array(a.data.buffer,g,e*d);h=(f*a.width+h)*d;e=new Uint8Array(b.data.buffer,h,e*d);e.set(g)}}return!0});return this};a.Image.prototype.rotateData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-
+0]=arguments[d];var e,f;var g=e=0;d=$jscomp.makeIterator(b);var h=d.next().value,k=d.next().value;this.raws&&this.raws[0]||a.error("no raw data for reprojection");d=this.raws[0];d.header&&d.wcsinfo||a.error("no WCS info available for reprojection");k=k||{};if("string"===typeof k)try{k=JSON.parse(k)}catch(p){a.error("can't parse rotate opts: "+k,p)}k.stash="rotateData";k.rawid="rotate";k.oraw=a.RAWID0;!0!==k.resetSection&&(k.resetSection=!1);var l=d.header;var m=$.extend(!0,{},l);k.center=k.center||
+a.globalOpts.rotationCenter;if("file"!==k.center&&0<this.raw.wcs){var n=this.getPan();(f=a.pix2wcs(this.raw.wcs,n.x,n.y).trim().split(/\s+/))&&1<f.length&&(m.CRPIX1=n.x,m.CRPIX2=n.y,m.CRVAL1=a.saostrtod(f[0]),":"===String.fromCharCode(a.saodtype())&&"galactic"!==this.params.wcssys&&"ecliptic"!==this.params.wcssys&&(m.CRVAL1*=15),m.CRVAL2=a.saostrtod(f[1]))}d.wcsinfo&&(e=d.wcsinfo.cdelt1||0,g=d.wcsinfo.cdelt2||0);if("string"===typeof h)switch(h.toLowerCase()){case "northisup":case "northup":h=0;0<
+e&&(e=-e);0>g&&(g=-g);break;default:h=parseInt(h,10)}a.notNull(l.CD1_1)?(g=-(h*Math.PI/180),e=Math.sin(g),g=Math.cos(g),m.CD1_1=l.CD1_1*g+l.CD1_2*e,m.CD1_2=l.CD1_1*-e+l.CD1_2*g,m.CD2_1=l.CD2_1*g+l.CD2_2*e,m.CD2_2=l.CD2_1*-e+l.CD2_2*g):(m.CROTA2=h,m.CDELT1=e,m.CDELT2=g);k.lcsUseRota2=!0;d.wcsinfo&&(m.ptype=d.wcsinfo.ptype);this.xeqStashSave("rotateData",b.slice(),k.rawid);return this.reprojectData(m,k)};a.Image.prototype.reproject=function(c,b){var d,e,f,g=!1;var h={};var k=/SIMPLE|BITPIX|NAXIS|NAXIS[1-4]|AMDX|AMDY|CD[1-2]_[1-2]|CDELT[1-4]|CNPIX[1-4]|CO1_[1-9][0-9]|CO2_[1-9][0-9]|CROTA[1-4]|CRPIX[1-4]|CRVAL[1-4]|CTYPE[1-4]|CUNIT[1-4]|DATE|DATE_OBS|DC-FLAG|DEC|DETSEC|DETSIZE|EPOCH|EQUINOX|EQUINOX[a-z]|IMAGEH|IMAGEW|LATPOLE|LONGPOLE|MJD-OBS|PC00[1-4]00[1-4]|PC[1-4]_[1-4]|PIXSCALE|PIXSCAL[1-2]|PLTDECH|PLTDECM|PLTDECS|PLTDECSN|PLTRAH|PLTRAM|PLTRAS|PPO|PROJP[1-9]|PROJR0|PV[1-3]_[1-3]|PV[1-4]_[1-4]|RA|RADECSYS|SECPIX|SECPIX|SECPIX[1-2]|UT|UTMID|VELOCITY|VSOURCE|WCSAXES|WCSDEP|WCSDIM|WCSNAME|XPIXSIZE|YPIXSIZE|ZSOURCE|LTM|LTV/;
 var l=/TAN|SIN|ZEA|STG|ARC/,m=function(b,c){if(!c)return b;b=$.extend(!0,{},b);a.isNull(b.CRVAL1)&&!a.isNull(c.crval1)&&(b.CRVAL1=c.crval1);a.isNull(b.CRVAL2)&&!a.isNull(c.crval2)&&(b.CRVAL2=c.crval2);a.isNull(b.CRPIX1)&&!a.isNull(c.crpix1)&&(b.CRPIX1=c.crpix1);a.isNull(b.CRPIX2)&&!a.isNull(c.crpix2)&&(b.CRPIX2=c.crpix2);a.isNull(b.CDELT1)&&!a.isNull(c.cdelt1)&&(b.CDELT1=c.cdelt1);a.isNull(b.CDELT2)&&!a.isNull(c.cdelt2)&&(b.CDELT2=c.cdelt2);a.isNull(b.CROTA2)&&!a.isNull(c.crot)&&(b.CROTA2=c.crot);
 return b};if(a.reproject&&c&&this!==c){this.raws&&this.raws[0]||a.error("no raw data for reprojection");var n=this.raws[0];n.header&&n.wcsinfo||a.error("no WCS info available for reprojection");b=b||{};var p=$.extend(!0,{},n.header);for(r in p)p.hasOwnProperty(r)&&k.test(r)&&delete p[r];if("object"===typeof c){c.raw&&c.raw.header?d=c.raw.header:c.BITPIX&&c.NAXIS1&&c.NAXIS2?d=c:a.error("invalid wcs object input to reproject()");for(r in d)d.hasOwnProperty(r)&&k.test(r)&&(h[r]=d[r]);p=$.extend(!0,{},
 h,p);if(!p.NAXIS||!p.NAXIS1||!p.NAXIS2)return;p.NAXIS1=Math.min(p.NAXIS1,a.globalOpts.image.xdim);p.NAXIS2=Math.min(p.NAXIS2,a.globalOpts.image.ydim);var r=a.raw2FITS(p,{addcr:!0});p="wcs_"+a.uniqueID()+".txt";a.vfile(p,r);a.globalOpts.reprojectLimits&&(r=a.globalOpts.image.xdim,h=a.globalOpts.image.ydim,k=a.globalOpts.image.xdim*a.globalOpts.image.ydim,n.header.NAXIS1*n.header.NAXIS2>k&&a.error("the max reproject size is "+r+" * "+h+". You can use the Bin/Filter/Section plugin to extract a section, then save it as FITS and reproject the smaller image."))}else p=
@@ -4429,8 +4428,8 @@ b),c.dlayer.canvas.renderAll()}b.polyparams?c.dlayer.params.sel=b.polyparams.pol
 function(c,b){var d,e={},f=c.canvas,g=function(b){b=b.target;var d=b.polyparams.polygon,g=b.polyparams.point,h=d.get("points"),k=c.display.image;void 0!==g&&!1!==d.params.changeable&&(d.angle?e=a.rotatePoint({x:b.left,y:b.top},-d.angle,{x:d.left,y:d.top}):(e.x=b.left,e.y=b.top),h[g].x=(e.x-d.left)/d.scaleX,h[g].y=(e.y-d.top)/d.scaleY,a.resetPolygonCenter(d),a.Fabric._updateShape.call(k,d.params.layerName,d,null,"update"),k&&(k.params.listonchange||d.params.listonchange)&&k.listRegions(d,{mode:2}),
 f.renderAll())},h=function(b){var c,d={};for(c=0;c<b.params.anchors.length;c++)d.x=b.left+b.points[c].x*b.scaleX,d.y=b.top+b.points[c].y*b.scaleY,b.angle&&(d=a.rotatePoint(d,b.angle,{x:b.left,y:b.top})),b.params.anchors[c].set({left:d.x,top:d.y,angle:b.angle}),b.params.anchors[c].setCoords();b._calcDimensions(!0);f.renderAll()};if(!b.params.anchors&&!1!==b.params.changeable){b.params.anchors=[];for(d=0;d<b.points.length;d++){e.x=b.left+b.points[d].x*b.scaleX;e.y=b.top+b.points[d].y*b.scaleY;b.angle&&
 (e=a.rotatePoint(e,b.angle,b.getCenterPoint()));var k=new fabric.Rect({left:e.x,top:e.y,hasControls:!1,hasRotatingPoint:!1,hasBorders:!1,selectable:!0,fill:b.get("stroke"),hoverCursor:"pointer",width:a.Fabric.opts.cornerSize+2,height:a.Fabric.opts.cornerSize+2,padding:2});k.on("moving",g);k.polyparams={};k.polyparams.polygon=b;k.polyparams.point=d;b.params.anchors[d]=k;f.add(k)}b.on("moving",function(){h(b)});b.on("rotating",function(){h(b)});b.on("scaling",function(){h(b)});b.setCoords()}};a.Fabric.removePolygonAnchors=
-function(a,b){var c=a.canvas;if(b&&b.params&&b.params.anchors&&!1!==b.params.changeable){for(a=0;a<b.params.anchors.length;a++)c.remove(b.params.anchors[a]);delete b.params.anchors}};a.Fabric.updateChildren=function(c,b,d){var e,f;if("regions"===c.layerName)if("objects"===d){var g={};c.canvas.getObjects().forEach(function(a){a.params&&(a.params.parent||a.params.children.length)&&(g[a.params.id]=a)});c.canvas.getObjects().forEach(function(a){if(a.params)for(a.params.parent&&(a.params.parent.obj=g[a.params.parent.id]),
-e=0;e<a.params.children.length;e++)a.params.children[e].obj=g[a.params.children[e].id]})}else if(b&&b.params)if("deltas"===d){if(b.params.parent){var h=b.params.parent;h.dleft=h.obj.left-b.left;h.dtop=h.obj.top-b.top;h.moved=!0}}else for(e=0;e<b.params.children.length;e++){var k=b.params.children[e].obj;h=k.params.parent;switch(d){case "moving":k.left=b.left-h.dleft;k.top=b.top-h.dtop;break;case "rotating":for(f=b.angle;0>f;)f+=360;for(;360<=f;)f-=360;var l=f-h.lastangle;var m=a.rotatePoint({x:k.left,
+function(a,b){var c=a.canvas;if(b&&b.params&&b.params.anchors&&!1!==b.params.changeable){for(a=0;a<b.params.anchors.length;a++)c.remove(b.params.anchors[a]);delete b.params.anchors}};a.Fabric.updateChildren=function(c,b,d){var e,f;if("regions"===c.layerName)if("objects"===d){var g={};c.canvas.getObjects().forEach(function(b){b.params&&(b.params.parent||b.params.children.length)&&(g[b.params.id]=b)});c.canvas.getObjects().forEach(function(b){if(b.params)for(b.params.parent&&(b.params.parent.obj=g[b.params.parent.id]),
+e=0;e<b.params.children.length;e++)b.params.children[e].obj=g[b.params.children[e].id]})}else if(b&&b.params)if("deltas"===d){if(b.params.parent){var h=b.params.parent;h.dleft=h.obj.left-b.left;h.dtop=h.obj.top-b.top;h.moved=!0}}else for(e=0;e<b.params.children.length;e++){var k=b.params.children[e].obj;h=k.params.parent;switch(d){case "moving":k.left=b.left-h.dleft;k.top=b.top-h.dtop;break;case "rotating":for(f=b.angle;0>f;)f+=360;for(;360<=f;)f-=360;var l=f-h.lastangle;var m=a.rotatePoint({x:k.left,
 y:k.top},l,{x:b.left,y:b.top});k.left=m.x;k.top=m.y;h.dleft=b.left-k.left;h.dtop=b.top-k.top;for(k.angle+=l;0>k.angle;)k.angle+=360;for(;360<=k.angle;)k.angle-=360;h.lastangle=f;break;case "scaling":h.dleft*=b.scaleX/h.lastscalex,h.dtop=b.scaleY/h.lastscaley*(h.dtop-h.textheight)+h.textheight,h.lastscalex=b.scaleX,h.lastscaley=b.scaleY,h.moved=!0,k.left=b.left-h.dleft,k.top=b.top-h.dtop}k.setCoords();c.display.image&&c.display.image.updateShapes(c.layerName,k,"updatechild")}};a.resetPolygonCenter=
 function(c){var b={};if(1===fabric.major_version){c._calcDimensions();var d=(c.minX+c.width/2)*c.scaleX;var e=(c.minY+c.height/2)*c.scaleY}else e=c._calcDimensions(),d=(e.left+e.width/2)*c.scaleX,e=(e.top+e.height/2)*c.scaleY;c.angle?b=a.rotatePoint({x:c.left+d,y:c.top+e},c.angle,{x:c.left,y:c.top}):(b.x=c.left+d,b.y=c.top+e);if(1<fabric.major_version||5<=fabric.minor_version){d/=c.scaleX;var f=e/c.scaleY;for(e=0;e<c.points.length;e++)c.points[e].x-=d,c.points[e].y-=f}c.left=b.x;c.top=b.y;1<fabric.major_version&&
 (b=c._calcDimensions(),c.width=b.width,c.height=b.height,c.pathOffset={x:b.left+c.width/2,y:b.top+c.height/2});c.setCoords()};a.Fabric.print=function(c){var b,d,e,f=0,g=sprintf("width=%s,height=%s,menubar=1,toolbar=1,status=0,scrollbars=1,resizable=1",this.display.canvasjq.attr("width"),this.display.canvasjq.attr("height"));c=c||{};if("string"===typeof c)try{c=JSON.parse(c)}catch(m){a.error("can't parse print opts: "+c,m)}var h=this.display.canvas.toDataURL("image/png");var k="<html><body style='padding: 0px; margin: 0px' onload='window.print(); return false'>";
@@ -4451,10 +4450,10 @@ a.MouseTouch.Actions[b].start(c,c.ipos,d)};a.MouseTouch.Actions.stop=function(c,
 break;case 1:e="pinch"}break;case -3:e=d.touchActions[2]}return e};a.MouseTouch.action=function(c,b,d){if((d=d||a.MouseTouch.getAction(c,b))&&a.MouseTouch.Actions[d])a.MouseTouch.Actions[d](c,c.ipos,b)};a.MouseTouch.mousetouchzoom=function(c,b){c=a.lookupDisplay(c);b=b.checked;c&&(c.mousetouchZoom=b)};a.MouseTouch.init=function(){var c=this,b;this.divjq.html("");this.divjq.addClass("JS9PluginScrolling");this.mousetouchContainer=$("<div>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+
 "MouseTouchContainer").appendTo(this.divjq);var d=sprintf("<div class='%s'><span><b>Drag an action to reconfigure JS9 mouse/touch events:</b></span><p>",a.MouseTouch.BASE+"Header");this.mousetouchHeadContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchHeadContainer").html(d).appendTo(this.mousetouchContainer);this.mousetouchTextContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchTextContainer").appendTo(this.mousetouchContainer);
 this.mousetouchActionContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchActionContainer").appendTo(this.mousetouchContainer);if(a.TOUCHSUPPORTED){this.mousetouchTouchTextContainer=$("<div>").addClass(a.MouseTouch.BASE+"TextContainer").attr("id",this.id+"TouchTextContainer").html("").appendTo(this.mousetouchTextContainer);for(b=0;b<a.MouseTouch.touchText.length;b++)a.MouseTouch.addText.call(this,this.mousetouchTouchTextContainer,a.MouseTouch.touchText[b]);
-for(b=a.MouseTouch.touchText.length;b<this.display.touchActions.length;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchTouchContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"TouchContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.touchActions.length;b++)d=this.display.touchActions[b],a.MouseTouch.addAction.call(this,this.mousetouchTouchContainer,"touch",d);this.mousetouchTouchContainer.sortable({start:function(a,
-b){c.oidx=b.item.index()},stop:function(a,b){a=b.item.index();b=c.display.touchActions.splice(c.oidx,1)[0];c.display.touchActions.splice(a,0,b);delete c.oidx}})}if(!/iPad|iPhone|iPod/.test(navigator.platform)){this.mousetouchMouseTextContainer=$("<div>").addClass(a.MouseTouch.BASE+"TextContainer").attr("id",this.id+"MouseTextContainer").appendTo(this.mousetouchTextContainer);for(b=0;3>b;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,a.MouseTouch.mouseText[b]);for(b=3;b<this.display.mouseActions.length;b++)a.MouseTouch.addText.call(this,
-this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchMouseContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"MouseContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.mouseActions.length;b++)d=this.display.mouseActions[b],a.MouseTouch.addAction.call(this,this.mousetouchMouseContainer,"mouse",d);this.mousetouchMouseContainer.sortable({start:function(a,b){c.oidx=b.item.index()},stop:function(a,b){a=b.item.index();b=c.display.mouseActions.splice(c.oidx,
-1)[0];c.display.mouseActions.splice(a,0,b);delete c.oidx}})}d=sprintf("<p><div class='%s'>Use mouse wheel or pinch to zoom:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' value='1' onclick='javascript:JS9.MouseTouch.mousetouchzoom(\"%s\", this);'></div>",a.MouseTouch.BASE+"Footer",this.display.id);this.mousetouchFootContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchFootContainer").html(d).appendTo(this.mousetouchContainer);
+for(b=a.MouseTouch.touchText.length;b<this.display.touchActions.length;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchTouchContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"TouchContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.touchActions.length;b++)d=this.display.touchActions[b],a.MouseTouch.addAction.call(this,this.mousetouchTouchContainer,"touch",d);this.mousetouchTouchContainer.sortable({start:function(b,
+a){c.oidx=a.item.index()},stop:function(b,a){b=a.item.index();a=c.display.touchActions.splice(c.oidx,1)[0];c.display.touchActions.splice(b,0,a);delete c.oidx}})}if(!/iPad|iPhone|iPod/.test(navigator.platform)){this.mousetouchMouseTextContainer=$("<div>").addClass(a.MouseTouch.BASE+"TextContainer").attr("id",this.id+"MouseTextContainer").appendTo(this.mousetouchTextContainer);for(b=0;3>b;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,a.MouseTouch.mouseText[b]);for(b=3;b<this.display.mouseActions.length;b++)a.MouseTouch.addText.call(this,
+this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchMouseContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"MouseContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.mouseActions.length;b++)d=this.display.mouseActions[b],a.MouseTouch.addAction.call(this,this.mousetouchMouseContainer,"mouse",d);this.mousetouchMouseContainer.sortable({start:function(b,a){c.oidx=a.item.index()},stop:function(b,a){b=a.item.index();a=c.display.mouseActions.splice(c.oidx,
+1)[0];c.display.mouseActions.splice(b,0,a);delete c.oidx}})}d=sprintf("<p><div class='%s'>Use mouse wheel or pinch to zoom:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' value='1' onclick='javascript:JS9.MouseTouch.mousetouchzoom(\"%s\", this);'></div>",a.MouseTouch.BASE+"Footer",this.display.id);this.mousetouchFootContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchFootContainer").html(d).appendTo(this.mousetouchContainer);
 this.display.mousetouchZoom&&this.mousetouchContainer.find("input").attr("checked",!0)};a.Regions={};a.Regions.CLASS="JS9";a.Regions.NAME="Regions";a.Regions.opts={updateWCS:!0,panzoom:!0,tags:"source,include",strokeWidth:2,iradius:0,oradius:30,nannuli:2,width:60,height:60,radius:30,r1:30,r2:20,ptshape:"box",ptsize:2,linepoints:[{x:-30,y:30},{x:30,y:-30}],polypoints:[{x:-30,y:30},{x:30,y:30},{x:0,y:-30}],fontFamily:"Helvetica",fontSize:14,fontStyle:"normal",fontWeight:300,textAlign:"left",angle:0,
 aradius1:4,aradius2:8,configURL:"./params/regionsconfig.html",saveURL:"./params/regionssave.html",sortOverlapping:!0,title:"Edit region",noCenteredScaling:["box","line"],tagcolors:{include_source:"#00FF00",exclude_source:"#FF0000",include_background:"#FFD700",exclude_background:"#FF8C00",source:"#00FF00",background:"#FFD700",defcolor:"#00FF00"},onmousedown:function(c,b,d,e){var f;!a.specialKey(d)&&e.params&&(b=(new Date).getTime(),e.params.lasttime&&b-e.params.lasttime<a.DBLCLICK&&(f=!0),e.params.lasttime=
 b);f?e.params.winid||!1===e.params.changeable||c.displayRegionsForm(e):a.specialKey(d)&&("polygon"===e.type||"polyline"===e.type?(a.Fabric.addPolygonPoint.call(c,e.params.layerName,e,d),a.Fabric._updateShape.call(c,e.params.layerName,e,null,"update")):e.polyparams&&e.polyparams.polygon&&(d=e.polyparams.polygon,a.Fabric.removePolygonPoint.call(c,d.params.layerName,e),a.Fabric._updateShape.call(c,d.params.layerName,d,null,"update")))},onmouseup:function(){var a,b=[];this.getActiveObject()&&b.push(this.getActiveObject());
@@ -4480,11 +4479,11 @@ q)+"']").prop("checked",!0);x="save"===b.type?"save"+a.globalOpts.regSaveWhich1:
 "\n"),$(w).find("[name='multitext']").val(x));else switch($(w).find("input:text[readonly]").css("border-color","A5A5A5").css("background","#E9E9E9"),c.pub.shape){case "box":case "ellipse":$(w+".angle").removeClass("nodisplay");break;case "text":$(w+".textangle").removeClass("nodisplay");break;case "line":c.pub.pts&&2===c.pub.pts.length?($(w+".linelength").removeClass("nodisplay"),$(w+".lineangle").removeClass("nodisplay")):($(w+".linelength").addClass("nodisplay"),$(w+".lineangle").addClass("nodisplay"))}$(w).data("im",
 this);$(w).data("shape",c);$(w).data("winid",u);$(w).data("multi",n);a.BROWSER[3]?(u="touchstart",r="touchend"):(u="mouseover",r="mouseout");if("save"===b.type)$(w).on(u,function(){$(w).find("input[name='savefile']").focus()});$(w).data("tooltipInit")||($(w).data("tooltipInit",!0),$(".rconfigcol_R, .rsavecol_R").on(u,function(b){var c=b.currentTarget;b=$(c).find("input, textarea, span").data("tooltip");c=$(c).closest(a.lightOpts[a.LIGHTWIN].top).find(a.lightOpts[a.LIGHTWIN].dragBar);b&&c.length&&
 (m=$(c)[0].childNodes[0].nodeValue.replace(/:.*/,""),$(c)[0].childNodes[0].nodeValue=m+": "+b)}),$(".rconfigcol_R, .rsavecol_R").on(r,function(b){b=$(b.currentTarget).closest(a.lightOpts[a.LIGHTWIN].top).find(a.lightOpts[a.LIGHTWIN].dragBar);b.length&&(m=$(b)[0].childNodes[0].nodeValue.replace(/:.*/,""),$(b)[0].childNodes[0].nodeValue=m)}))}}};a.Regions.processConfigForm=function(c,b,d){var e=1;var f={type:"multi",pub:{shape:"multi"},params:{}};var g=d.length,h={},k=this.raw.wcsinfo||{cdelt1:1,cdelt2:1},
-l=function(a){if(void 0!==a)return"number"===typeof a&&0!==a%1&&(a=Math.round(1E4*(a+1E-5))/1E4),String(a)},m=function(a,b){return v?!0:void 0===a?!1:l(a)!==l(b)},n=function(b,c,d){if("remove"===c)return"selected"===d;if("childtext"===c)return b.params.children&&0<b.params.children.length?!1:""!==d;if("strokeDashes"===c)return b.strokeDashArray?JSON.stringify(b.strokeDashArray)!==JSON.stringify(d):""!==d;if("tags"!==c&&""===d)return!1;if("misc"===c&&""!==d)return!0;if("angle"===c)return b.angle!==
+l=function(b){if(void 0!==b)return"number"===typeof b&&0!==b%1&&(b=Math.round(1E4*(b+1E-5))/1E4),String(b)},m=function(b,a){return v?!0:void 0===b?!1:l(b)!==l(a)},n=function(b,c,d){if("remove"===c)return"selected"===d;if("childtext"===c)return b.params.children&&0<b.params.children.length?!1:""!==d;if("strokeDashes"===c)return b.strokeDashArray?JSON.stringify(b.strokeDashArray)!==JSON.stringify(d):""!==d;if("tags"!==c&&""===d)return!1;if("misc"===c&&""!==d)return!0;if("angle"===c)return b.angle!==
 -parseFloat(d);if("ix"===c)return m(b.pub.x,a.saostrtod(d));if("iy"===c)return m(b.pub.y,a.saostrtod(d));if("px"===c&&b.pub.lcs)return m(b.pub.lcs.x,a.saostrtod(d));if("py"===c&&b.pub.lcs)return m(b.pub.lcs.y,a.saostrtod(d));if("ra"===c)return b.pub.wcsedit.wcsposstr?m(a.saostrtod(b.pub.wcsedit.wcsposstr[0]),a.saostrtod(d)):b.pub.wcsposstr?m(a.saostrtod(b.pub.wcsposstr[0]),a.saostrtod(d)):!1;if("dec"===c){if(b.pub.wcsedit.wcsposstr)return m(a.saostrtod(b.pub.wcsedit.wcsposstr[1]),a.saostrtod(d));
-if(b.pub.wcsposstr)return m(a.saostrtod(b.pub.wcsposstr[1]),a.saostrtod(d))}return b.pub.lcs&&void 0!==b.pub.lcs[c]?m(b.pub.lcs[c],d)?!0:!1:m(b.pub[c],d)||m(b.params[c],d)||m(b[c],d)?!0:!1},p=function(b){return"true"===b?!0:"false"===b?!1:a.isNumber(b)?parseFloat(b):b},r=function(a){var b=String.fromCharCode(13,10);return(a||"").replace(/\\n/g,b)};this.lcs&&this.lcs.physical&&(e=Math.sqrt(Math.pow(this.lcs.physical.forward[0][0],2)+Math.pow(this.lcs.physical.forward[0][1],2)));if(b&&b.pub&&b.pub.wcsedit&&
+if(b.pub.wcsposstr)return m(a.saostrtod(b.pub.wcsposstr[1]),a.saostrtod(d))}return b.pub.lcs&&void 0!==b.pub.lcs[c]?m(b.pub.lcs[c],d)?!0:!1:m(b.pub[c],d)||m(b.params[c],d)||m(b[c],d)?!0:!1},p=function(b){return"true"===b?!0:"false"===b?!1:a.isNumber(b)?parseFloat(b):b},r=function(b){var a=String.fromCharCode(13,10);return(b||"").replace(/\\n/g,a)};this.lcs&&this.lcs.physical&&(e=Math.sqrt(Math.pow(this.lcs.physical.forward[0][0],2)+Math.pow(this.lcs.physical.forward[0][1],2)));if(b&&b.pub&&b.pub.wcsedit&&
 b.pub.wcsedit.wcssys)var t=b.pub.wcsedit.wcssys;else t=this.params.wcssys,b=f;var v=$(c).data("multi");f=b.pub.layer||"regions";for(c=0;c<g;c++){var q=d[c].name;var u=d[c].value;if("xpos"===q||"ypos"===q)switch(t){case "image":q="i"+q.charAt(0);break;case "physical":q="p"+q.charAt(0);break;default:q=this.raw.wcs&&0<this.raw.wcs?"xpos"===q?"ra":"dec":"xpos"===q?"ix":"iy"}switch(q){case "text":"text"===b.type&&n(b,q,u)&&(h[q]=r(p(u)));break;case "strokeDashes":u=u.trim().split(/\s+/);n(b,q,u)&&(h.strokeDashArray=
-0===u.length?[]:u.map(function(a){return parseInt(a,10)}));break;case "childtext":"text"!==b.type&&n(b,q,u)&&(h.text=r(p(u)));break;case "ix":n(b,q,u)&&(h.x=p(u),void 0===h.y&&void 0!==b.pub.y&&(h.y=b.pub.y));break;case "iy":n(b,q,u)&&(h.y=p(u),void 0===h.x&&void 0!==b.pub.x&&(h.x=b.pub.x));break;case "px":n(b,q,u)&&(h.px=p(u),void 0===h.py&&b.pub.lcs&&(h.py=b.pub.lcs.y));break;case "py":n(b,q,u)&&(h.py=p(u),void 0===h.px&&b.pub.lcs&&(h.px=b.pub.lcs.x));break;case "ra":n(b,q,u)&&(h.ra=u,void 0===
+0===u.length?[]:u.map(function(b){return parseInt(b,10)}));break;case "childtext":"text"!==b.type&&n(b,q,u)&&(h.text=r(p(u)));break;case "ix":n(b,q,u)&&(h.x=p(u),void 0===h.y&&void 0!==b.pub.y&&(h.y=b.pub.y));break;case "iy":n(b,q,u)&&(h.y=p(u),void 0===h.x&&void 0!==b.pub.x&&(h.x=b.pub.x));break;case "px":n(b,q,u)&&(h.px=p(u),void 0===h.py&&b.pub.lcs&&(h.py=b.pub.lcs.y));break;case "py":n(b,q,u)&&(h.py=p(u),void 0===h.px&&b.pub.lcs&&(h.px=b.pub.lcs.x));break;case "ra":n(b,q,u)&&(h.ra=u,void 0===
 h.dec&&(b.pub.wcsedit.wcsposstr?h.dec=b.pub.wcsedit.wcsposstr[1]:b.pub.wcsposstr&&(h.dec=b.pub.wcsposstr[1])));break;case "dec":n(b,q,u)&&(h.dec=u,void 0===h.ra&&(b.pub.wcsedit.wcsposstr?h.ra=b.pub.wcsedit.wcsposstr[0]:b.pub.wcsposstr&&(h.ra=b.pub.wcsposstr[0])),void 0===h.wcssys&&(h.wcssys=t));break;case "wcssys":break;case "radius":case "length":case "width":case "r1":switch(t){case "image":n(b,q,u)&&(h[q]=p(u));break;case "physical":n(b,q,u)&&(h[q]=p(u)*e);break;default:u=a.strtoscaled(u),u="."===
 u.dtype&&"galactic"!==t&&"ecliptic"!==t?u.dval:Math.abs(u.dval/k.cdelt1),q=q.replace("wcs",""),n(b,q,u)&&(h[q]=p(u))}break;case "height":case "r2":switch(t){case "image":n(b,q,u)&&(h[q]=p(u));break;case "physical":n(b,q,u)&&(h[q]=p(u)*e);break;default:u=a.strtoscaled(u),u="."===u.dtype&&"galactic"!==t&&"ecliptic"!==t?u.dval:Math.abs(u.dval/k.cdelt2),q=q.replace("wcs",""),n(b,q,u)&&(h[q]=p(u))}break;case "radii":n(b,q,u)&&(h[q]=u);break;case "linelength":if(b.pub.pts&&2===b.pub.pts.length&&a.isNumber(u)&&
 u!==this.tmp.linelength){u=parseFloat(u);switch(t){case "image":case "physical":break;default:void 0!==k.cdelt1?u/=Math.abs(k.cdelt1):void 0!==k.cdelt2&&(u/=Math.abs(k.cdelt2))}if(h.pts){q=h.pts[0];var w=h.pts[1]}else q=b.pub.pts[0],w=b.pub.pts[1];if(0<=$.inArray("line",a.Regions.opts.noCenteredScaling)){var y=Math.sqrt((q.x-w.x)*(q.x-w.x)+(q.y-w.y)*(q.y-w.y));var x=q.x-u*(q.x-w.x)/y;u=q.y-u*(q.y-w.y)/y;h.pts=[q,{x:x,y:u}]}else x={x:(q.x+w.x)/2,y:(q.y+w.y)/2},y=parseFloat(this.tmp.lineangle)||0,q.x=
@@ -4497,11 +4496,11 @@ w&&(d*=15),n=a.saostrtod(n[1])):(d=n.pub.ra,n=n.pub.dec),g.textOpts.ra=d,g.textO
 (d="regions");if(b.wcssys||b.wcsunits){var q=a.globalOpts.xeqPlugins;a.globalOpts.xeqPlugins=!1;if(b.wcssys){var u=this.getWCSSys();this.setWCSSys(b.wcssys,!1);var w=this.getWCSSys()}if(b.wcsunits){var y=this.getWCSUnits();this.setWCSUnits(b.wcsunits,!1)}this.updateShapes(d,c,"update")}n=this.getShapes(d,c,{includeObj:!0});var x=n.length;if(v)for(f=0;f<x;f++){var z=n[f];if((g=z.tags.join(","))&&"source,include"!==g&&"include,source"!==g){m=!0;break}}for(A in a.Regions.opts.tagcolors)a.Regions.opts.tagcolors.hasOwnProperty(A)&&
 r.push(a.Regions.opts.tagcolors[A]);for(f=0;f<x;f++){z=n[f];p=z.obj;g=z.tags.join(",");var A=g.includes("exclude")?"-":"";p=t(p,z);b.saveid&&(p.id=z.id);b.savewcsedit&&z.wcsedit&&0<Object.keys(z.wcsedit).length&&(p.wcsedit=$.extend(!0,{},z.wcsedit));z.color&&!r.includes(z.color)&&(p.color=z.color);m&&(h=" # "+g);z.wcsstr&&"image"!==this.params.wcssys&&"physical"!==this.params.wcssys?("wcs"!==l&&("none"!==l&&(k+="; "),k=z.wcssys?k+z.wcssys:k+this.params.wcssys,l="wcs"),k+="; "+A+z.wcsstr):z.imstr&&
 (l!==z.imsys&&("none"!==l&&(k+="; "),k+=z.imsys,l=z.imsys),k+="; "+A+z.imstr);!1!==b.includejson&&1===v%2&&0<Object.keys(p).length&&("line"===z.shape&&(k=k.replace(/ *{[^{}]*}$/,"")),k+=" "+JSON.stringify(p));h&&(k+=h)}!1===b.includecomments&&(k=k.replace(/ *#[^;]*/g,""));if(u||y)u&&this.setWCSSys(u,!1),y&&this.setWCSUnits(y,!1),this.updateShapes(d,c,"update"),a.globalOpts.xeqPlugins=q;1<v&&this.display.displayMessage("regions",k);return k};a.Regions.copyRegions=function(a,b){return this.copyShapes("regions",
-a,b)};a.Regions.parseRegions=function(c,b){var d=this,e,f,g=[],h=/^-?(annulus|box|circle|ellipse|line|polygon|point|text)$/,k=/^(fk4|fk5|icrs|galactic|ecliptic|image|physical|linear)$/,l=/^(image|physical)$/,m=/[dr:]/,n=/\(\s*([^)]+?)\s*\)/,p=/(\{.*\})/,r=/\s*,\s*/,t=/#(?![a-zA-Z0-9]{6}['"])/,v=function(a){return"0"===a||"false"===a.toLowerCase()?!1:!0},q=function(a){for(var b,c,d,e={},f=/([a-zA-Z][a-zA-Z0-9_]*)\s*=\s*(\d+(\s*\d+)*|[^ '"{]+|['"{][^'"}]*['"}])/g,g={color:function(a){return{color:a}},
-dash:function(a){if(a)return{strokeDashArray:[3,1]}},dashlist:function(a){if(a){var b=a.split(" ");for(a=0;a<b.length;a++)b[a]=parseFloat(b[a]);return{strokeDashArray:b}}},delete:function(a){return{removable:v(a)}},edit:function(a){return{selectable:v(a)}},fixed:function(a){return{zoomable:!v(a)}},font:function(a){var b={};a=a.split(" ");var c=a.length;1<=c&&(b.fontFamily=a[0]);2<=c&&(b.fontSize=parseFloat(a[1]));3<=c&&(b.fontStyle=a[2]);4<=c&&(b.fontWeight=a[3]);return b},highlite:function(a){return{hasControls:v(a),
-hasBorders:v(a),hasRotatingPoint:v(a)}},move:function(a){return{movable:v(a)}},rotate:function(a){return{rotatable:v(a)}},resize:function(a){return{resizable:v(a)}},changeable:function(a){return{changeable:v(a)}},select:function(a){return{selectable:v(a)}},text:function(a){return{text:a}},tag:function(a){return{tags:a}},width:function(a){return{strokeWidth:parseFloat(a)}}};null!==(b=f.exec(a));)if(c=b[1].toLowerCase(),b=b[2].replace(/^['"{]|['"}]$/g,""),g.hasOwnProperty(c)&&"function"===typeof g[c])for(d in c=
-g[c](b),c)c.hasOwnProperty(d)&&("tags"===d&&e.hasOwnProperty(d)?e[d]+=","+c[d]:e[d]=c[d]);else e[c]=b;if(a=a.replace(f,""))e._comment=a.trim();return e},u=function(a){var b,c={opts:{},args:[],isregion:0};a.includes("(")?c.cmd=a.split("(")[0].trim().toLowerCase():a.includes("{")?c.cmd=a.split("{")[0].trim().toLowerCase():a.includes("#")?c.cmd=a.split("#")[0].trim().toLowerCase():c.cmd=a.trim().toLowerCase();c.cmd&&(c.isregion=0<=c.cmd.search(h));var d=a.trim().split(t);if((b=p.exec(d[0]))&&b[0])try{c.opts=
-JSON.parse(b[0].trim())}catch(O){c.opts={}}c.comment=d[1];if(c.comment){var e=q(c.comment.trim());void 0!==e._comment&&(c.comment=e._comment,delete e._comment)}e&&(c.opts=$.extend({},e,c.opts));(b=n.exec(a))&&b[1]&&(c.args=b[1].split(r));c.isregion&&c.cmd.startsWith("-")&&(c.cmd=c.cmd.slice(1),c.comment?c.comment.match(/exclude/)||(c.comment+=",exclude"):c.comment="exclude");return c},w=function(b,c){b=a.strtoscaled(b);var e=a.strtoscaled(c);!b.dtype.match(m)&&!e.dtype.match(m)||A||x.match(l)||(F=
+a,b)};a.Regions.parseRegions=function(c,b){var d=this,e,f,g=[],h=/^-?(annulus|box|circle|ellipse|line|polygon|point|text)$/,k=/^(fk4|fk5|icrs|galactic|ecliptic|image|physical|linear)$/,l=/^(image|physical)$/,m=/[dr:]/,n=/\(\s*([^)]+?)\s*\)/,p=/(\{.*\})/,r=/\s*,\s*/,t=/#(?![a-zA-Z0-9]{6}['"])/,v=function(b){return"0"===b||"false"===b.toLowerCase()?!1:!0},q=function(b){for(var a,c,d,e={},f=/([a-zA-Z][a-zA-Z0-9_]*)\s*=\s*(\d+(\s*\d+)*|[^ '"{]+|['"{][^'"}]*['"}])/g,g={color:function(b){return{color:b}},
+dash:function(b){if(b)return{strokeDashArray:[3,1]}},dashlist:function(b){if(b){var a=b.split(" ");for(b=0;b<a.length;b++)a[b]=parseFloat(a[b]);return{strokeDashArray:a}}},delete:function(b){return{removable:v(b)}},edit:function(b){return{selectable:v(b)}},fixed:function(b){return{zoomable:!v(b)}},font:function(b){var a={};b=b.split(" ");var c=b.length;1<=c&&(a.fontFamily=b[0]);2<=c&&(a.fontSize=parseFloat(b[1]));3<=c&&(a.fontStyle=b[2]);4<=c&&(a.fontWeight=b[3]);return a},highlite:function(b){return{hasControls:v(b),
+hasBorders:v(b),hasRotatingPoint:v(b)}},move:function(b){return{movable:v(b)}},rotate:function(b){return{rotatable:v(b)}},resize:function(b){return{resizable:v(b)}},changeable:function(b){return{changeable:v(b)}},select:function(b){return{selectable:v(b)}},text:function(b){return{text:b}},tag:function(b){return{tags:b}},width:function(b){return{strokeWidth:parseFloat(b)}}};null!==(a=f.exec(b));)if(c=a[1].toLowerCase(),a=a[2].replace(/^['"{]|['"}]$/g,""),g.hasOwnProperty(c)&&"function"===typeof g[c])for(d in c=
+g[c](a),c)c.hasOwnProperty(d)&&("tags"===d&&e.hasOwnProperty(d)?e[d]+=","+c[d]:e[d]=c[d]);else e[c]=a;if(b=b.replace(f,""))e._comment=b.trim();return e},u=function(b){var a,c={opts:{},args:[],isregion:0};b.includes("(")?c.cmd=b.split("(")[0].trim().toLowerCase():b.includes("{")?c.cmd=b.split("{")[0].trim().toLowerCase():b.includes("#")?c.cmd=b.split("#")[0].trim().toLowerCase():c.cmd=b.trim().toLowerCase();c.cmd&&(c.isregion=0<=c.cmd.search(h));var d=b.trim().split(t);if((a=p.exec(d[0]))&&a[0])try{c.opts=
+JSON.parse(a[0].trim())}catch(O){c.opts={}}c.comment=d[1];if(c.comment){var e=q(c.comment.trim());void 0!==e._comment&&(c.comment=e._comment,delete e._comment)}e&&(c.opts=$.extend({},e,c.opts));(a=n.exec(b))&&a[1]&&(c.args=a[1].split(r));c.isregion&&c.cmd.startsWith("-")&&(c.cmd=c.cmd.slice(1),c.comment?c.comment.match(/exclude/)||(c.comment+=",exclude"):c.comment="exclude");return c},w=function(b,c){b=a.strtoscaled(b);var e=a.strtoscaled(c);!b.dtype.match(m)&&!e.dtype.match(m)||A||x.match(l)||(F=
 !0,z=x);A||F?(":"===b.dtype&&"galactic"!==z&&"ecliptic"!==z&&(b.dval*=15),"r"===b.dtype&&(b.dval=180*b.dval/Math.PI),"r"===e.dtype&&(e.dval=180*e.dval/Math.PI),b=a.wcs2pix(d.raw.wcs,b.dval,e.dval).split(/ +/),c=parseFloat(b[0]),b=parseFloat(b[1])):"physical"===z?(b=d.logicalToImagePos({x:b.dval,y:e.dval}),c=b.x,b=b.y):(c=b.dval,b=e.dval);return[c,b]},y=function(b,c){b=a.strtoscaled(b);var e=d.raw.wcsinfo||{cdelt1:1,cdelt2:1};!b.dtype.match(m)||A||x.match(l)||(F=!0,z=x);A||F?("r"===b.dtype&&(b.dval=
 180*b.dval/Math.PI),b.dval=Math.abs(b.dval/e["cdelt"+c])):"physical"===z&&d.lcs&&d.lcs.physical&&(c=Math.sqrt(Math.pow(d.lcs.physical.forward[0][0],2)+Math.pow(d.lcs.physical.forward[0][1],2)),b.dval=Math.abs(b.dval*c));return b.dval};c=c.trim();if(!c.match(/(\(|\{|#|;|\n)/))return c;var x=this.getWCSSys();b=this.getWCSUnits();var z="physical";var A="image"!==z&&"physical"!==z;var B=c.split(/\n|;/);for(c=0;c<B.length;c++)if("#"!==B[c].trim().substr(0,1)){var F=!1;var D=u(B[c]);var C=D.args.length;
 if(D.isregion){var E=$.extend(!0,{},D.opts);E.shape=D.cmd;E.wcsedit=E.wcsedit||{wcssys:z};if(2<=C){var G=w(D.args[0],D.args[1]);E.x=G[0];E.y=G[1]}E.textOpts&&void 0!==E.textOpts.ra&&void 0!==E.textOpts.dec&&(E.textOpts._wcssys=z);switch(D.cmd){case "annulus":E.radii=[];for(e=2;e<C;e++)E.radii.push(y(D.args[e],1));break;case "box":3<=C&&(E.width=y(D.args[2],1));4<=C&&(E.height=y(D.args[3],2));5<=C&&(E.angle=a.strtoscaled(D.args[4]).dval);break;case "circle":3<=C&&(E.radius=y(D.args[2],1));break;case "ellipse":3<=
@@ -4510,13 +4509,13 @@ C&&(E.r1=y(D.args[2],1));4<=C&&(E.r2=y(D.args[3],2));5<=C&&(E.angle=a.strtoscale
 null)}h&&(a.notNull(h.layer)&&(d=h.layer),a.notNull(h.type)&&(e=h.type),a.notNull(h.format)&&(e=h.format));h=h||{};d=d||"regions";e=e||"reg";this.layers[d]||a.error("can't find layer for saveRegions: "+d);c||(c=d&&"regions"!==d?"js9_"+d+"."+e:"js9."+e);switch(e){case "svg":try{a.globalOpts.svgBorder&&(g=this.addShapes(d,"box",{left:this.rgb.img.width/2,top:this.rgb.img.height/2,width:this.rgb.img.width,height:this.rgb.img.height,color:"black",strokeWidth:1,tags:"SVGBorder"}));var k=this.layers[d].dlayer.canvas.toSVG();
 a.globalOpts.svgBorder&&this.removeShapes(d,g)}catch(p){a.error("can't convert layer to SVG: "+d)}break;case "csv":try{h.mode=1;h.file=c;a.isNull(h.includewcs)&&(h.includewcs=a.globalOpts.csvIncludeWCS);var l=this.listRegions(b,h,d);f=l.split(";");var m=0;for(k="";m<f.length;m++)if(f[m])if(f[m].toLowerCase().match(a.WCSEXP))h.includewcs&&(k+=f[m].trim()+"\n");else{var n=f[m].replace(/\(/,",").replace(/\).*/,"").trim();k+=n+"\n"}}catch(p){a.error("can't convert layer to region: "+d)}break;default:try{h.mode=
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+g,c).trim().split(/\s+/);b=parseFloat(f[0]);c=parseFloat(f[1]);.5>Math.abs(b-e)&&(b=e);.5>Math.abs(c-d)&&(c=d);return{x:b,y:c}};a.angdist=function(a,b,d,e){var c=function(b,a){var c=[],d=Math.cos(a);c[0]=Math.cos(b)*d;c[1]=Math.sin(b)*d;c[2]=Math.sin(a);return c};a=c(a*Math.PI/180,b*Math.PI/180);d=c(d*Math.PI/180,e*Math.PI/180);return 180*-function(b,a){var c=b[0];var d=b[1];b=b[2];var e=Math.sqrt(c*c+d*d+b*b);0!=e&&(c/=e,d/=e,b/=e);e=a[0];var f=a[1];var g=a[2];a=f*c-e*d;c=g*(c*c+d*d)-b*(e*c+f*d);
+return 0!=a||0!=c?Math.atan2(a,c):0}(a,d)/Math.PI};a.rotatePoint=function(a,b,d){d=d||{x:0,y:0};b=Math.PI*b/180;var c=Math.cos(b);b=Math.sin(b);return{x:c*(a.x-d.x)-b*(a.y-d.y)+d.x,y:b*(a.x-d.x)+c*(a.y-d.y)+d.y}};a.matrixMultiply=function(a,b){var c,e,f,g=a.length,h=a[0].length,k=b[0].length;var l=Array(g);for(c=0;c<g;++c)for(l[c]=Array(k),e=0;e<k;++e)for(f=l[c][e]=0;f<h;++f)l[c][e]+=a[c][f]*b[f][e];return l};a.invertMatrix3=function(a){var b,c,e=0,f=0,g=a[0][0]*a[1][1],h=[[0,0,0],[0,0,0],[0,0,0]];
 for(b=0;3>b;b++)for(c=0;2>c;c++)if(void 0===a[b][c]||Number.isNaN(a[b][c]))return null;0<=g?e+=g:f+=g;g=-a[0][1]*a[1][0];0<=g?e+=g:f+=g;b=e+f;if(0===b||1E-15>Math.abs(b/(e-f)))return null;b=1/b;h[0][0]=a[1][1]*b;h[1][0]=-a[1][0]*b;h[0][1]=-a[0][1]*b;h[1][1]=a[0][0]*b;h[2][0]=-(a[2][0]*h[0][0]+a[2][1]*h[1][0]);h[2][1]=-(a[2][0]*h[0][1]+a[2][1]*h[1][1]);return h};a.isNumber=function(a){return!isNaN(parseFloat(a))&&isFinite(a)};a.notNull=function(a){return void 0!==a&&null!==a};a.isNull=function(a){return void 0===
 a||null===a};a.defNull=function(c,b){return a.notNull(c)?c:b};a.cardpars=function(c){var b=c.slice(0,8).trim();if("HISTORY"===b||"COMMENT"===b)return[b,c.slice(9).trim()];if("="===c[8])return c=c.slice(10).replace(/'/g," ").replace(/ \/.*/,"").trim(),"T"===c?c=!0:"F"===c?c=!1:a.isNumber(c)&&(c=parseFloat(c)),[b,c]};a.raw2FITS=function(c,b){var d,e=!1,f="",g={};var h=function(a,b,c,d){var e=a;if("XTENSION"!==b||c){var f=new RegExp(b+" *= *(-?[-+]?[0-9]*.?[0-9]*([eE][-+]?[0-9]+)?) *");a?(a=a.replace(f,
 "$1"),a=parseFloat(a)):a=void 0;a!==c&&(e=sprintf("%-8s= %20s / %-47s",b,c,d||""))}else e=sprintf("%s  = %20s / %-47s","SIMPLE","T","file does conform to FITS standard");g[b]=!0;return e};if(!c)return f;b=b||{};"boolean"===typeof b&&(b={addcr:b});if(c.card||c.cardstr){var k=c.header||{};var l=c.card?c.card.length:c.ncard;for(d=0;d<l;d++){var m=c.card?c.card[d].slice(0,80):c.cardstr.slice(80*d,80*(d+1));if(!b.notab||!m.match(/^TAB(TYP|MIN|MAX|DIM)[1,2]/)){if(m.match(/^XTENSION/)&&0===d&&b.simple)f+=
diff --git a/js9.js b/js9.js
index cafb30e3..d13e6621 100644
--- a/js9.js
+++ b/js9.js
@@ -7427,67 +7427,76 @@ JS9.Image.prototype.setStatus = function(id, status){
 };
 
 // re-calculate data min and max (and set scale params, if necessary)
+//
+// Important note 7/10/2020:
+// Chrome was taking either 35ms ... or 7+ seconds to find the min/max on a
+// 2048x2048 int image (casa.fits in js9debug.html). The slowdown was random.
+// We optimized the loop in this way:
+//   1. assign data[i] to val instead of accessing data[i] more than once
+//   2. use direct min/max compare instead of Math.min() and Math.max
+//   3. use local params instead of this.raw, this.params, this.raw.data
+// These changes appear to have helped but the underlying cause is unknown.
 JS9.Image.prototype.dataminmax = function(dmin, dmax){
-    let i, blankval;
-    let reminscale = Number.isNaN(this.params.scalemin) ||
-                     (this.params.scalemin === undefined);
-    let remaxscale = Number.isNaN(this.params.scalemax) ||
-                     (this.params.scalemax === undefined);
+    let i, raw, params, data, val, blankval, reminscale, remaxscale;
+    // convenience variables
+    raw = this.raw;
+    params = this.params;
+    data = this.raw.data;
+    // rescale?
+    reminscale = Number.isNaN(params.scalemin) || JS9.isNull(params.scalemin);
+    remaxscale = Number.isNaN(params.scalemax) || JS9.isNull(params.scalemax);
     // might have to redo scaling if it's tied to current data min or max
-    if( this.params.scaleclipping === "dataminmax" ){
-	if( (this.raw.dmin === this.params.scalemin) ||
-	    (this.raw.dmin === undefined)            ){
+    if( params.scaleclipping === "dataminmax" ){
+	if( (raw.dmin === params.scalemin) || JS9.isNull(raw.dmin) ){
 	    reminscale = true;
 	}
-	if( (this.raw.dmax === this.params.scalemax) ||
-	    (this.raw.dmax === undefined)            ){
+	if( (raw.dmax === params.scalemax) || JS9.isNull(raw.dmax) ){
 	    remaxscale = true;
 	}
     }
     // used supplied values, if possible
-    if( dmin !== undefined && dmax !== undefined ){
-	this.raw.dmin = dmin;
-	this.raw.dmax = dmax;
+    if( JS9.notNull(dmin) && JS9.notNull(dmax) ){
+	raw.dmin = dmin;
+	raw.dmax = dmax;
     } else {
 	// re-calculate data min and max values
-	this.raw.dmin = Number.MAX_VALUE;
-	this.raw.dmax = Number.MIN_VALUE;
+	raw.dmin = Number.MAX_VALUE;
+	raw.dmax = Number.MIN_VALUE;
 	// get data min and max, ignoring type-dependent blank values
-	if( this.raw.bitpix > 0 ){
+	if( raw.bitpix > 0 ){
 	    // integer data: BLANK header value specifies data value to ignore
-	    if( this.raw.header.BLANK !== undefined ){
-		blankval = this.raw.header.BLANK;
-		for(i=0; i<this.raw.data.length; i++) {
-		    if( this.raw.data[i] !== blankval ){
-			this.raw.dmin=Math.min(this.raw.dmin, this.raw.data[i]);
-			this.raw.dmax=Math.max(this.raw.dmax, this.raw.data[i]);
+	    if( raw.header.BLANK !== undefined ){
+		blankval = raw.header.BLANK;
+		for(i=0; i<data.length; i++) {
+		    val = data[i];
+		    if( val !== blankval ){
+			if( val < raw.dmin ){ raw.dmin = val; }
+			if( val > raw.dmax ){ raw.dmax = val; }
 		    }
 		}
 	    } else {
-		for(i=0; i<this.raw.data.length; i++) {
-		    this.raw.dmin = Math.min(this.raw.dmin, this.raw.data[i]);
-		    this.raw.dmax = Math.max(this.raw.dmax, this.raw.data[i]);
+		for(i=0; i<data.length; i++) {
+		    val = data[i];
+		    if( val < raw.dmin ){ raw.dmin = val; }
+		    if( val > raw.dmax ){ raw.dmax = val; }
 		}
 	    }
 	} else {
 	    // float data: ignore NaN
-	    for(i=0; i<this.raw.data.length; i++) {
-		if( !Number.isNaN(this.raw.data[i]) ){
-		    this.raw.dmin = Math.min(this.raw.dmin, this.raw.data[i]);
-		    this.raw.dmax = Math.max(this.raw.dmax, this.raw.data[i]);
+	    for(i=0; i<data.length; i++) {
+		val = data[i];
+		if( !Number.isNaN(val) ){
+		    if( val < raw.dmin ){ raw.dmin = val; }
+		    if( val > raw.dmax ){ raw.dmax = val; }
 		}
 	    }
 	}
     }
     // re-set scaling values, if necessary
-    if( reminscale ){
-	this.params.scalemin = this.raw.dmin;
-    }
-    if( remaxscale ){
-	this.params.scalemax = this.raw.dmax;
-    }
-    this.params.precision =
-	JS9.floatPrecision(this.params.scalemin, this.params.scalemax);
+    if( reminscale ){ params.scalemin = raw.dmin; }
+    if( remaxscale ){ params.scalemax = raw.dmax; }
+    // set new precision
+    params.precision = JS9.floatPrecision(params.scalemin, params.scalemax);
     // allow chaining
     return this;
 };
diff --git a/js9.min.js b/js9.min.js
index ba975558..9f62cd5d 100644
--- a/js9.min.js
+++ b/js9.min.js
@@ -216,37 +216,36 @@ this.setRotate(b);break;case "scale":this.setScale(b);break;case "scalemin":a=th
 f)&&f.push(h.display.image);try{for(e=0;e<c.length;e++){var k=c[e];switch(k){case "alignment":h.alignPanZoom(this);break;case "contrastbias":var l=this.getParam("contrast");h.setParam("contrast",l);l=this.getParam("bias");h.setParam("bias",l);break;case "pan":l=this.getPan();h.setPan(a.pix2pix(this,h,{x:l.ox,y:l.oy}));break;case "regions":this.copyRegions(h);break;case "shapes":d.layer&&this.copyShapes(d.layer,h);break;case "wcs":l=this.getParam("wcssys");h.setParam("wcssys",l);l=this.getParam("wcsunits");
 h.setParam("wcsunits",l);break;default:l=this.getParam(k),h.setParam(k,l)}}}catch(m){a.error("could not copy params for "+h.id)}finally{if(f.length)for(g=0;g<f.length;g++)f[g].displayImage()}}}}};a.Image.prototype.getStatus=function(c){if(!a.isNull(c)&&"string"===typeof c)switch(c.toLowerCase()){case "close":return this.status.close;case "displaysection":case "displayextension":return this.status.displaySection;case "createmosaic":return this.status.createMosaic;case "load":case "preload":return a.fetchURL.status?
 a.fetchURL.status:this.status.load;case "loadcatalog":return this.status.loadCatalog;case "loadcolormap":return this.status.loadColormap;case "loadproxy":return this.status.loadProxy;case "loadregions":return this.status.loadRegions;case "loadsession":return this.status.loadSession;case "reproject":case "reprojectdata":case "rotate":case "rotatedata":return this.status.reprojectData;case "runanalysis":return this.status.runAnalysis;case "separate":return this.status.separate;case "uploadfitsfile":return this.status.uploadFITSFile}};
-a.Image.prototype.setStatus=function(c,b){if(a.notNull(c)&&a.notNull(b))switch(b){case "error":case "complete":delete this.status.cur;break;default:this.status.cur=c}this.status[c]=b};a.Image.prototype.dataminmax=function(c,b){var d=Number.isNaN(this.params.scalemin)||void 0===this.params.scalemin,e=Number.isNaN(this.params.scalemax)||void 0===this.params.scalemax;if("dataminmax"===this.params.scaleclipping){if(this.raw.dmin===this.params.scalemin||void 0===this.raw.dmin)d=!0;if(this.raw.dmax===this.params.scalemax||
-void 0===this.raw.dmax)e=!0}if(void 0!==c&&void 0!==b)this.raw.dmin=c,this.raw.dmax=b;else if(this.raw.dmin=Number.MAX_VALUE,this.raw.dmax=Number.MIN_VALUE,0<this.raw.bitpix)if(void 0!==this.raw.header.BLANK)for(b=this.raw.header.BLANK,c=0;c<this.raw.data.length;c++)this.raw.data[c]!==b&&(this.raw.dmin=Math.min(this.raw.dmin,this.raw.data[c]),this.raw.dmax=Math.max(this.raw.dmax,this.raw.data[c]));else for(c=0;c<this.raw.data.length;c++)this.raw.dmin=Math.min(this.raw.dmin,this.raw.data[c]),this.raw.dmax=
-Math.max(this.raw.dmax,this.raw.data[c]);else for(c=0;c<this.raw.data.length;c++)Number.isNaN(this.raw.data[c])||(this.raw.dmin=Math.min(this.raw.dmin,this.raw.data[c]),this.raw.dmax=Math.max(this.raw.dmax,this.raw.data[c]));d&&(this.params.scalemin=this.raw.dmin);e&&(this.params.scalemax=this.raw.dmax);this.params.precision=a.floatPrecision(this.params.scalemin,this.params.scalemax);return this};a.Image.prototype.zscale=function(c){if(!a.zscale||!this.raw||!this.raw.data)return this;var b=this.raw.data;
-var d=b.length*b.BYTES_PER_ELEMENT;try{var e=a.vmalloc(d)}catch(f){a.error("image too large for zscale malloc: "+d,f)}try{a.vmemcpy(new Uint8Array(b.buffer),e)}catch(f){a.error("can't copy image to zscale heap: "+d,f)}b=a.zscale(e,this.raw.width,this.raw.height,this.raw.bitpix,this.params.zscalecontrast,this.params.zscalesamples,this.params.zscaleline);a.vfree(e);e=b.trim().split(/\s+/);this.params.z1=parseFloat(e[0]);this.params.z2=parseFloat(e[1]);"zmax"===c?(this.params.scalemin=this.params.z1,
-this.params.scalemax=this.raw.dmax):c&&(this.params.scalemin=this.params.z1,this.params.scalemax=this.params.z2);this.params.precision=a.floatPrecision(this.params.scalemin,this.params.scalemax);return this};a.Image.prototype.countsInRegions=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=this,f,g;d="field";var h="",k=function(b,c,d){var f=/(annulus|box|circle|ellipse|line|polygon|point|text) *\(/;if(!b)return d;if("string"===typeof b){c=e.expandMacro(b);if(!c)return d;
-if(c.match(f))return c}(f=e.getShapes("regions",b))&&f.length||a.error("no regions found: "+b);c="";for(b=0;b<f.length;b++){var g=f[b];e.params.wcssys?(c||(c=g.wcssys||""),c+="; "+g.wcsstr):(c||(c=g.imsys||""),c+="; "+g.imstr)}return c||d};this.raw.hdu&&this.raw.hdu.fits&&this.raw.hdu.fits.vfile||a.error("no virtual file available for regcnts: "+this.id);for(f=0;f<b.length;f++){var l=b[f];if("string"===typeof l&&"{"===l.charAt(0))try{b[f]=JSON.parse(l)}catch(n){a.error("can't parse JSON arg in regcnts: "+
-l,n)}}switch(b.length){case 0:break;case 1:"object"===typeof b[0]?g=b[0]:d=k(b[0],"$sregions","field");break;case 2:d=k(b[0],"$sregions","field");"object"===typeof b[1]?g=b[1]:h=k(b[1],"$bregions","");break;default:d=k(b[0],"$sregions","field"),h=k(b[1],"$bregions",""),g=b[2]}g=g||{};g.reduce=g.reduce||a.globalOpts.reduceRegcnts;g.dim=g.dim||Math.max(a.globalOpts.image.xdim,a.globalOpts.image.ydim);f=g.cmdswitches||"";b=this.raw.hdu.fits.vfile;(l=this.file.match(/\[.*\]/))&&(b+=l);"table"===this.imtab?
-(l=this.raw.hdu.table.filter)&&!b.match(l)&&(b=b.match(/\]\[/)?b.slice(0,-1)+"&&"+l+"]":b+("["+l+"]")):3===this.raw.header.NAXIS&&0>f.search(/(^| )-c/)&&(f+=" -c "+(this.raw.hdu.slice||1));if(g.reduce&&!this.parentFile&&(l=this.fileDimensions(),l=Math.floor(Math.max(l.xdim,l.ydim)/g.dim+.5),1<l))if("table"===this.imtab)f+=" -b "+l;else{var m="bin"+l+"_"+b.split("/").reverse()[0];a.imsection(b,m,"0@0,0@0,"+l,"");b=m}a.waiting(!0,this.display);l=a.regcnts(b,d,h,f);a.waiting(!1);m&&a.vunlink(m);(l.match(/^ERROR/)||
-l.match(/FITSIO status/))&&a.error(l);g.lightwin&&this.displayAnalysis("text",l,{divid:a.globalOpts.analysisDiv});return l};a.Image.prototype.radialProfile=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=[];var f={cmdswitches:"-j -r"};for(d=0;d<b.length;d++)if("object"===typeof b[d]){var g=$.extend(!0,{},b[d],f);e.push(g);var h=g}else e.push(b[d]);g||e.push(f);h=h||{};if(d=this.countsInRegions.apply(this,$jscomp.arrayFromIterable(e)))try{var k=JSON.parse(d)}catch(l){a.error("can't parse regcnts JSON",
-l)}k&&k.columnUnits&&k.columnUnits.radii||a.error("no radii available for radial profile");d=k.columnUnits.radii;b=k.columnUnits.surfBrightness;g=h.color||"green";e=h.errorcolor||"red";h=a.isNull(h.errorbars)||h.errorbars?"y":"n";h={color:sprintf("%s",g),label:sprintf("surface brightness(%s) vs. radius(%s)",b,d),points:{errorbars:sprintf("%s",h),yerr:{show:"true",color:sprintf("%s",e)}},data:[]};for(d=0;d<k.backgroundSubtractedResults.length;d++)b=k.backgroundSubtractedResults[d],("undefined"===b.radius2||
-"NA"===b.radius2||b.radius1>b.radius2)&&a.error("radial profile source region must be an annulus"),b=[(b.radius1+b.radius2)/2,b.surfBrightness,b.surfError],h.data.push(b);return this.displayAnalysis("plot",h,{divid:a.globalOpts.analysisDiv})};a.Image.prototype.plot3d=function(c,b,d){var e,f,g=[];this.raw.header&&3===this.raw.header.NAXIS||a.error("plot3d requires a data cube with 3 dimensions");d=$.extend(!0,{},d,a.globalOpts.plot3d);d.cube=d.cube||"*:*:all";var h=d.cube.split(":");for(e=0;e<h.length;e++)if("all"===
-h[e]){var k=e+1;break}k||a.error("plot3d requires specification of cube's third index");d.cmdswitches="-j -c "+d.cube;h=d.mode||"avg";d.areaunits?d.areaunits.match(/^p/)?(d.areaunits="pixels",d.cmdswitches+=" -p"):d.areaunits.match(/^a/)?d.areaunits="arcsec":(d.areaunits="pixels",d.cmdswitches+=" -p"):(d.areaunits="pixels",d.cmdswitches+=" -p");e=d.color||"green";if(c=this.countsInRegions(c,b,d))try{var l=JSON.parse(c)}catch(n){a.error("can't parse regcnts results: "+c,n)}l||a.error("no regcnts info available for plot3d");
-c=(c=this.raw.header["CTYPE"+String(k)])?c.toLowerCase():"slice";b="avg"===h?"pixels"===d.areaunits?"counts/pixel**2":"counts/arcsec**2":"summed counts";b={color:sprintf("%s",e),label:sprintf("%s vs %s ",b,c),data:[]};var m=this.raw.header["CRVAL"+String(k)]||0;k=this.raw.header["CDELT"+String(k)]||1;for(e=0;e<l.source.cubeSlices;e++){c="backgroundSubtractedResults"+String(e+1);for(f=g[e]=0;f<l[c].length;f++)g[e]="avg"===h?g[e]+l[c][f].surfBrightness:g[e]+l[c][f].netCounts;c=[e*k+m,g[e]];b.data.push(c)}return this.displayAnalysis("plot",
-b,{divid:d.divid||a.globalOpts.analysisDiv})};a.Image.prototype.rawDataLayer=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;e=e.next().value;if(!b.length)return this.raw.id;d=d||{};if("string"===typeof d)if("function"===typeof e)d={rawid:d};else{var f=d;for(b=0;b<this.raws.length;b++){var g=this.raws[b];if(f===g.id){if("remove"===e){f===a.RAWID0&&a.error("can't remove primary (raw0) data layer");if(g.hdu&&g.hdu.fits){var h=a.lookupVfile(g.hdu.fits.vfile);
-1>=h.length&&a.cleanupFITSFile(g,!0)}this.raw=this.raws[0];if(g.current0&&g.current0.id)for(h=0;h<this.raws.length;h++)if(g.current0.id===this.raws[h].id){this.raw=this.raws[h];break}for(h=0;h<a.images.length;h++)if(d=a.images[h],d.xeqstash)for(k in d.xeqstash)d.xeqstash.hasOwnProperty(k)&&d.xeqstash[k].id===f&&delete d.xeqstash[k];this.raws.splice(b,1)}else this.raw=g;this.raw.header.BITPIX&&(this.raw.bitpix=this.raw.header.BITPIX);this.imtab=this.raw.imtab||this.imtab;this.params.scalemin=void 0;
-this.params.scalemax=void 0;this.dataminmax();this.mkSection();this.initWCS();this.initLCS();this.displayImage("all");this.refreshLayers();a.globalOpts.extendedPlugins&&this.xeqPlugins("image","onrawdatalayer");return!0}}return!1}if("function"!==typeof e)return!1;if("string"===typeof d)try{d=JSON.parse(d)}catch(m){a.error("can't parse rawData opts: "+d,m)}var k=d.rawid||a.RAWIDX;void 0===d.oraw&&(d.oraw="current0");if("current"===d.oraw)f=this.raw;else if("current0"===d.oraw)f=this.raw.id===k?this.raw.current0:
-this.raw;else for(b=0;b<this.raws.length;b++)if(g=this.raws[b],d.oraw===g.id){f=g;break}f||(f=this.raws[0]);g=-1;for(b=0;b<this.raws.length;b++)if(k===this.raws[b].id){h=this.raws[b];g=b;break}if(0>g||d.alwaysCopy){h=$.extend(!0,{},f);h.current0=f;if(d.bitpix){switch(d.bitpix){case 8:h.data=new Uint8Array(f.height*f.width);break;case 16:h.data=new Int16Array(f.height*f.width);break;case -16:h.data=new Uint16Array(f.height*f.width);break;case 32:h.data=new Int32Array(f.height*f.width);break;case -32:h.data=
-new Float32Array(f.height*f.width);break;case -64:h.data=new Float64Array(f.height*f.width)}var l=h.width*h.height;for(b=0;b<l;b++)h.data[b]=f.data[b];h.bitpix=d.bitpix}else switch(f.bitpix){case 8:h.data=new Uint8Array(f.data);break;case 16:h.data=new Int16Array(f.data);break;case -16:h.data=new Uint16Array(f.data);break;case 32:h.data=new Int32Array(f.data);break;case -32:h.data=new Float32Array(f.data);break;case -64:h.data=new Float64Array(f.data)}h.id=k;h.from=d.from||h.from||"func"}e.call(this,
-f,h,d)&&(0<=g?this.raws[g]=h:this.raws.push(h),this.raw=h,this.raw.header.bitpix&&(this.raw.bitpix=this.raw.header.bitpix),!1!==d.dataminmax&&this.dataminmax(),d.updatewcs&&(this.initWCS(),this.initLCS()),d.resetpan&&this.setPan(),this.refreshLayers(),this.displayImage("all",d),this.reFlipRot());return!0};a.Image.prototype.gaussBlurData=function(c){var b={};void 0===c&&a.error("missing sigma value for gaussBlurData");this.params.sigma=c;b=b||{};if("string"===typeof b)try{b=JSON.parse(b)}catch(d){a.error("can't parse gaussBlur opts: "+
-b,d)}b.bitpix=-64===this.raw.bitpix?-64:-32;b.oraw="current0";b.alwaysCopy=!0;b.rawid=b.rawid||"gaussBlur";b.sigma=c;this.xeqStashSave("gaussBlurData",[c],b.rawid);this.rawDataLayer(b,function(b,e){switch(e.bitpix){case -32:var d=new Float32Array(e.data);break;case -64:d=new Float64Array(e.data);break;default:a.error("invalid temp bitpix for gaussBlur: "+e.bitpix)}gaussBlur(d,e.data,e.width,e.height,c);return!0});return this};a.Image.prototype.imarithData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-
-0]=arguments[d];var e=$jscomp.makeIterator(b),f=e.next().value;d=e.next().value;e=e.next().value;if(!b.length)return"add sub mul div min max reset".split(" ");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse imarith opts: "+e,g)}e.rawid=e.rawid||"imarith";if("reset"===f||"remove"===f)this.rawDataLayer(e.rawid,"remove");else{void 0!==f&&void 0!==d||a.error("missing arg(s) for image arithmetic");this.xeqStashSave("imarithData",b.slice(),e.rawid);switch(f){case "add":case "sub":case "mul":case "div":case "min":case "max":e.op=
-f;break;default:a.error("invalid operator for image arithmetic: "+f)}"object"===typeof d?(this.raw.width===d.raw.width&&this.raw.height===d.raw.height||a.error("images must be the same size for image arithmetic"),e.argtype="image",e.argval=d):a.isNumber(d)?(e.argtype="value",e.argval=d):((b=a.lookupImage(d))||a.error("imarith arg1 must be an image or a constant: "+d),e.argval=b,e.argtype="image");"div"===e.op&&"value"===e.argtype&&0===e.argval&&a.error("imarith can't divide by zero (nor can anyone else)");
-if(!e.bitpix)switch(e.argtype){case "image":e.bitpix=0<this.raw.bitpix&&0<e.argval.raw.bitpix?Math.max(this.raw.bitpix,e.argval.raw.bitpix):0>this.raw.bitpix&&0>e.argval.raw.bitpix?Math.min(this.raw.bitpix,e.argval.raw.bitpix):0>this.raw.bitpix&&0<e.argval.raw.bitpix?this.raw.bitpix:e.argval.raw.bitpix;break;case "value":e.bitpix=-64===this.raw.bitpix?-64:-32}e.alwaysCopy=!0;e.oraw="current";this.rawDataLayer(e,function(b,c,d){switch(d.argtype){case "image":b=d.argval.raw.data;switch(d.op){case "add":for(d=
-0;d<c.data.length;d++)c.data[d]+=b[d];break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b[d];break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b[d];break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=0===b[d]?0:c.data[d]/b[d];break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b[d]);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b[d]);break;default:a.error("unknown operation for imarith: "+d.op)}break;case "value":b=d.argval;switch(d.op){case "add":for(d=
-0;d<c.data.length;d++)c.data[d]+=b;break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b;break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b;break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=0===b?0:c.data[d]/b;break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b);break;default:a.error("unknown op for imarith: "+d.op)}break;default:a.error("unknown arg type for imarith: "+d.argtype)}return!0});
-return this}};a.Image.prototype.shiftData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;var f=e.next().value;e=e.next().value;void 0!==d&&void 0!==f||a.error("missing translation value(s) for shiftData");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse shift opts: "+e,g)}e.rawid=e.rawid||"shift";e.x=d;e.y=f;this.xeqStashSave("shiftData",b.slice(),e.rawid);this.rawDataLayer(e,function(a,b,c){var d=
-a.data.BYTES_PER_ELEMENT;void 0===b.xoff&&(b.xoff=0);void 0===b.yoff&&(b.yoff=0);b.xoff+=c.x;b.yoff+=c.y;if(!c.fill||"clear"===c.fill){if(0<b.bitpix){var e=c.blank||b.header.BLANK||0;b.header.BLANK=e}else e=NaN;if("function"===typeof b.data.fill)b.data.fill(e);else for(c=0;c<b.data.length;c++)b.data[c]=e}for(c=0;c<a.height;c++){var f=c+b.yoff;if(!(0>f||f>=a.height)){var g=0;var h=g+b.xoff;e=a.width;0>h&&(g-=h,e+=h,h=0);h+e>a.width&&(e-=h+e-a.width);if(0>=e)return!1;g=(c*a.width+g)*d;g=new Uint8Array(a.data.buffer,
-g,e*d);h=(f*a.width+h)*d;e=new Uint8Array(b.data.buffer,h,e*d);e.set(g)}}return!0});return this};a.Image.prototype.rotateData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e,f;var g=e=0;d=$jscomp.makeIterator(b);var h=d.next().value,k=d.next().value;this.raws&&this.raws[0]||a.error("no raw data for reprojection");d=this.raws[0];d.header&&d.wcsinfo||a.error("no WCS info available for reprojection");k=k||{};if("string"===typeof k)try{k=JSON.parse(k)}catch(p){a.error("can't parse rotate opts: "+
-k,p)}k.stash="rotateData";k.rawid="rotate";k.oraw=a.RAWID0;!0!==k.resetSection&&(k.resetSection=!1);var l=d.header;var m=$.extend(!0,{},l);k.center=k.center||a.globalOpts.rotationCenter;if("file"!==k.center&&0<this.raw.wcs){var n=this.getPan();(f=a.pix2wcs(this.raw.wcs,n.x,n.y).trim().split(/\s+/))&&1<f.length&&(m.CRPIX1=n.x,m.CRPIX2=n.y,m.CRVAL1=a.saostrtod(f[0]),":"===String.fromCharCode(a.saodtype())&&"galactic"!==this.params.wcssys&&"ecliptic"!==this.params.wcssys&&(m.CRVAL1*=15),m.CRVAL2=a.saostrtod(f[1]))}d.wcsinfo&&
-(e=d.wcsinfo.cdelt1||0,g=d.wcsinfo.cdelt2||0);if("string"===typeof h)switch(h.toLowerCase()){case "northisup":case "northup":h=0;0<e&&(e=-e);0>g&&(g=-g);break;default:h=parseInt(h,10)}a.notNull(l.CD1_1)?(g=-(h*Math.PI/180),e=Math.sin(g),g=Math.cos(g),m.CD1_1=l.CD1_1*g+l.CD1_2*e,m.CD1_2=l.CD1_1*-e+l.CD1_2*g,m.CD2_1=l.CD2_1*g+l.CD2_2*e,m.CD2_2=l.CD2_1*-e+l.CD2_2*g):(m.CROTA2=h,m.CDELT1=e,m.CDELT2=g);k.lcsUseRota2=!0;d.wcsinfo&&(m.ptype=d.wcsinfo.ptype);this.xeqStashSave("rotateData",b.slice(),k.rawid);
-return this.reprojectData(m,k)};a.Image.prototype.reproject=function(c,b){var d,e,f,g=!1;var h={};var k=/SIMPLE|BITPIX|NAXIS|NAXIS[1-4]|AMDX|AMDY|CD[1-2]_[1-2]|CDELT[1-4]|CNPIX[1-4]|CO1_[1-9][0-9]|CO2_[1-9][0-9]|CROTA[1-4]|CRPIX[1-4]|CRVAL[1-4]|CTYPE[1-4]|CUNIT[1-4]|DATE|DATE_OBS|DC-FLAG|DEC|DETSEC|DETSIZE|EPOCH|EQUINOX|EQUINOX[a-z]|IMAGEH|IMAGEW|LATPOLE|LONGPOLE|MJD-OBS|PC00[1-4]00[1-4]|PC[1-4]_[1-4]|PIXSCALE|PIXSCAL[1-2]|PLTDECH|PLTDECM|PLTDECS|PLTDECSN|PLTRAH|PLTRAM|PLTRAS|PPO|PROJP[1-9]|PROJR0|PV[1-3]_[1-3]|PV[1-4]_[1-4]|RA|RADECSYS|SECPIX|SECPIX|SECPIX[1-2]|UT|UTMID|VELOCITY|VSOURCE|WCSAXES|WCSDEP|WCSDIM|WCSNAME|XPIXSIZE|YPIXSIZE|ZSOURCE|LTM|LTV/;
+a.Image.prototype.setStatus=function(c,b){if(a.notNull(c)&&a.notNull(b))switch(b){case "error":case "complete":delete this.status.cur;break;default:this.status.cur=c}this.status[c]=b};a.Image.prototype.dataminmax=function(c,b){var d=this.raw;var e=this.params;var f=this.raw.data;var g=Number.isNaN(e.scalemin)||a.isNull(e.scalemin);var h=Number.isNaN(e.scalemax)||a.isNull(e.scalemax);if("dataminmax"===e.scaleclipping){if(d.dmin===e.scalemin||a.isNull(d.dmin))g=!0;if(d.dmax===e.scalemax||a.isNull(d.dmax))h=
+!0}if(a.notNull(c)&&a.notNull(b))d.dmin=c,d.dmax=b;else if(d.dmin=Number.MAX_VALUE,d.dmax=Number.MIN_VALUE,0<d.bitpix)if(void 0!==d.header.BLANK){var k=d.header.BLANK;for(c=0;c<f.length;c++)b=f[c],b!==k&&(b<d.dmin&&(d.dmin=b),b>d.dmax&&(d.dmax=b))}else for(c=0;c<f.length;c++)b=f[c],b<d.dmin&&(d.dmin=b),b>d.dmax&&(d.dmax=b);else for(c=0;c<f.length;c++)b=f[c],Number.isNaN(b)||(b<d.dmin&&(d.dmin=b),b>d.dmax&&(d.dmax=b));g&&(e.scalemin=d.dmin);h&&(e.scalemax=d.dmax);e.precision=a.floatPrecision(e.scalemin,
+e.scalemax);return this};a.Image.prototype.zscale=function(c){if(!a.zscale||!this.raw||!this.raw.data)return this;var b=this.raw.data;var d=b.length*b.BYTES_PER_ELEMENT;try{var e=a.vmalloc(d)}catch(f){a.error("image too large for zscale malloc: "+d,f)}try{a.vmemcpy(new Uint8Array(b.buffer),e)}catch(f){a.error("can't copy image to zscale heap: "+d,f)}b=a.zscale(e,this.raw.width,this.raw.height,this.raw.bitpix,this.params.zscalecontrast,this.params.zscalesamples,this.params.zscaleline);a.vfree(e);e=
+b.trim().split(/\s+/);this.params.z1=parseFloat(e[0]);this.params.z2=parseFloat(e[1]);"zmax"===c?(this.params.scalemin=this.params.z1,this.params.scalemax=this.raw.dmax):c&&(this.params.scalemin=this.params.z1,this.params.scalemax=this.params.z2);this.params.precision=a.floatPrecision(this.params.scalemin,this.params.scalemax);return this};a.Image.prototype.countsInRegions=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=this,f,g;d="field";var h="",k=function(b,c,d){var f=
+/(annulus|box|circle|ellipse|line|polygon|point|text) *\(/;if(!b)return d;if("string"===typeof b){c=e.expandMacro(b);if(!c)return d;if(c.match(f))return c}(f=e.getShapes("regions",b))&&f.length||a.error("no regions found: "+b);c="";for(b=0;b<f.length;b++){var g=f[b];e.params.wcssys?(c||(c=g.wcssys||""),c+="; "+g.wcsstr):(c||(c=g.imsys||""),c+="; "+g.imstr)}return c||d};this.raw.hdu&&this.raw.hdu.fits&&this.raw.hdu.fits.vfile||a.error("no virtual file available for regcnts: "+this.id);for(f=0;f<b.length;f++){var l=
+b[f];if("string"===typeof l&&"{"===l.charAt(0))try{b[f]=JSON.parse(l)}catch(n){a.error("can't parse JSON arg in regcnts: "+l,n)}}switch(b.length){case 0:break;case 1:"object"===typeof b[0]?g=b[0]:d=k(b[0],"$sregions","field");break;case 2:d=k(b[0],"$sregions","field");"object"===typeof b[1]?g=b[1]:h=k(b[1],"$bregions","");break;default:d=k(b[0],"$sregions","field"),h=k(b[1],"$bregions",""),g=b[2]}g=g||{};g.reduce=g.reduce||a.globalOpts.reduceRegcnts;g.dim=g.dim||Math.max(a.globalOpts.image.xdim,a.globalOpts.image.ydim);
+f=g.cmdswitches||"";b=this.raw.hdu.fits.vfile;(l=this.file.match(/\[.*\]/))&&(b+=l);"table"===this.imtab?(l=this.raw.hdu.table.filter)&&!b.match(l)&&(b=b.match(/\]\[/)?b.slice(0,-1)+"&&"+l+"]":b+("["+l+"]")):3===this.raw.header.NAXIS&&0>f.search(/(^| )-c/)&&(f+=" -c "+(this.raw.hdu.slice||1));if(g.reduce&&!this.parentFile&&(l=this.fileDimensions(),l=Math.floor(Math.max(l.xdim,l.ydim)/g.dim+.5),1<l))if("table"===this.imtab)f+=" -b "+l;else{var m="bin"+l+"_"+b.split("/").reverse()[0];a.imsection(b,
+m,"0@0,0@0,"+l,"");b=m}a.waiting(!0,this.display);l=a.regcnts(b,d,h,f);a.waiting(!1);m&&a.vunlink(m);(l.match(/^ERROR/)||l.match(/FITSIO status/))&&a.error(l);g.lightwin&&this.displayAnalysis("text",l,{divid:a.globalOpts.analysisDiv});return l};a.Image.prototype.radialProfile=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=[];var f={cmdswitches:"-j -r"};for(d=0;d<b.length;d++)if("object"===typeof b[d]){var g=$.extend(!0,{},b[d],f);e.push(g);var h=g}else e.push(b[d]);
+g||e.push(f);h=h||{};if(d=this.countsInRegions.apply(this,$jscomp.arrayFromIterable(e)))try{var k=JSON.parse(d)}catch(l){a.error("can't parse regcnts JSON",l)}k&&k.columnUnits&&k.columnUnits.radii||a.error("no radii available for radial profile");d=k.columnUnits.radii;b=k.columnUnits.surfBrightness;g=h.color||"green";e=h.errorcolor||"red";h=a.isNull(h.errorbars)||h.errorbars?"y":"n";h={color:sprintf("%s",g),label:sprintf("surface brightness(%s) vs. radius(%s)",b,d),points:{errorbars:sprintf("%s",
+h),yerr:{show:"true",color:sprintf("%s",e)}},data:[]};for(d=0;d<k.backgroundSubtractedResults.length;d++)b=k.backgroundSubtractedResults[d],("undefined"===b.radius2||"NA"===b.radius2||b.radius1>b.radius2)&&a.error("radial profile source region must be an annulus"),b=[(b.radius1+b.radius2)/2,b.surfBrightness,b.surfError],h.data.push(b);return this.displayAnalysis("plot",h,{divid:a.globalOpts.analysisDiv})};a.Image.prototype.plot3d=function(c,b,d){var e,f,g=[];this.raw.header&&3===this.raw.header.NAXIS||
+a.error("plot3d requires a data cube with 3 dimensions");d=$.extend(!0,{},d,a.globalOpts.plot3d);d.cube=d.cube||"*:*:all";var h=d.cube.split(":");for(e=0;e<h.length;e++)if("all"===h[e]){var k=e+1;break}k||a.error("plot3d requires specification of cube's third index");d.cmdswitches="-j -c "+d.cube;h=d.mode||"avg";d.areaunits?d.areaunits.match(/^p/)?(d.areaunits="pixels",d.cmdswitches+=" -p"):d.areaunits.match(/^a/)?d.areaunits="arcsec":(d.areaunits="pixels",d.cmdswitches+=" -p"):(d.areaunits="pixels",
+d.cmdswitches+=" -p");e=d.color||"green";if(c=this.countsInRegions(c,b,d))try{var l=JSON.parse(c)}catch(n){a.error("can't parse regcnts results: "+c,n)}l||a.error("no regcnts info available for plot3d");c=(c=this.raw.header["CTYPE"+String(k)])?c.toLowerCase():"slice";b="avg"===h?"pixels"===d.areaunits?"counts/pixel**2":"counts/arcsec**2":"summed counts";b={color:sprintf("%s",e),label:sprintf("%s vs %s ",b,c),data:[]};var m=this.raw.header["CRVAL"+String(k)]||0;k=this.raw.header["CDELT"+String(k)]||
+1;for(e=0;e<l.source.cubeSlices;e++){c="backgroundSubtractedResults"+String(e+1);for(f=g[e]=0;f<l[c].length;f++)g[e]="avg"===h?g[e]+l[c][f].surfBrightness:g[e]+l[c][f].netCounts;c=[e*k+m,g[e]];b.data.push(c)}return this.displayAnalysis("plot",b,{divid:d.divid||a.globalOpts.analysisDiv})};a.Image.prototype.rawDataLayer=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;e=e.next().value;if(!b.length)return this.raw.id;d=d||{};if("string"===
+typeof d)if("function"===typeof e)d={rawid:d};else{var f=d;for(b=0;b<this.raws.length;b++){var g=this.raws[b];if(f===g.id){if("remove"===e){f===a.RAWID0&&a.error("can't remove primary (raw0) data layer");if(g.hdu&&g.hdu.fits){var h=a.lookupVfile(g.hdu.fits.vfile);1>=h.length&&a.cleanupFITSFile(g,!0)}this.raw=this.raws[0];if(g.current0&&g.current0.id)for(h=0;h<this.raws.length;h++)if(g.current0.id===this.raws[h].id){this.raw=this.raws[h];break}for(h=0;h<a.images.length;h++)if(d=a.images[h],d.xeqstash)for(k in d.xeqstash)d.xeqstash.hasOwnProperty(k)&&
+d.xeqstash[k].id===f&&delete d.xeqstash[k];this.raws.splice(b,1)}else this.raw=g;this.raw.header.BITPIX&&(this.raw.bitpix=this.raw.header.BITPIX);this.imtab=this.raw.imtab||this.imtab;this.params.scalemin=void 0;this.params.scalemax=void 0;this.dataminmax();this.mkSection();this.initWCS();this.initLCS();this.displayImage("all");this.refreshLayers();a.globalOpts.extendedPlugins&&this.xeqPlugins("image","onrawdatalayer");return!0}}return!1}if("function"!==typeof e)return!1;if("string"===typeof d)try{d=
+JSON.parse(d)}catch(m){a.error("can't parse rawData opts: "+d,m)}var k=d.rawid||a.RAWIDX;void 0===d.oraw&&(d.oraw="current0");if("current"===d.oraw)f=this.raw;else if("current0"===d.oraw)f=this.raw.id===k?this.raw.current0:this.raw;else for(b=0;b<this.raws.length;b++)if(g=this.raws[b],d.oraw===g.id){f=g;break}f||(f=this.raws[0]);g=-1;for(b=0;b<this.raws.length;b++)if(k===this.raws[b].id){h=this.raws[b];g=b;break}if(0>g||d.alwaysCopy){h=$.extend(!0,{},f);h.current0=f;if(d.bitpix){switch(d.bitpix){case 8:h.data=
+new Uint8Array(f.height*f.width);break;case 16:h.data=new Int16Array(f.height*f.width);break;case -16:h.data=new Uint16Array(f.height*f.width);break;case 32:h.data=new Int32Array(f.height*f.width);break;case -32:h.data=new Float32Array(f.height*f.width);break;case -64:h.data=new Float64Array(f.height*f.width)}var l=h.width*h.height;for(b=0;b<l;b++)h.data[b]=f.data[b];h.bitpix=d.bitpix}else switch(f.bitpix){case 8:h.data=new Uint8Array(f.data);break;case 16:h.data=new Int16Array(f.data);break;case -16:h.data=
+new Uint16Array(f.data);break;case 32:h.data=new Int32Array(f.data);break;case -32:h.data=new Float32Array(f.data);break;case -64:h.data=new Float64Array(f.data)}h.id=k;h.from=d.from||h.from||"func"}e.call(this,f,h,d)&&(0<=g?this.raws[g]=h:this.raws.push(h),this.raw=h,this.raw.header.bitpix&&(this.raw.bitpix=this.raw.header.bitpix),!1!==d.dataminmax&&this.dataminmax(),d.updatewcs&&(this.initWCS(),this.initLCS()),d.resetpan&&this.setPan(),this.refreshLayers(),this.displayImage("all",d),this.reFlipRot());
+return!0};a.Image.prototype.gaussBlurData=function(c){var b={};void 0===c&&a.error("missing sigma value for gaussBlurData");this.params.sigma=c;b=b||{};if("string"===typeof b)try{b=JSON.parse(b)}catch(d){a.error("can't parse gaussBlur opts: "+b,d)}b.bitpix=-64===this.raw.bitpix?-64:-32;b.oraw="current0";b.alwaysCopy=!0;b.rawid=b.rawid||"gaussBlur";b.sigma=c;this.xeqStashSave("gaussBlurData",[c],b.rawid);this.rawDataLayer(b,function(b,e){switch(e.bitpix){case -32:var d=new Float32Array(e.data);break;
+case -64:d=new Float64Array(e.data);break;default:a.error("invalid temp bitpix for gaussBlur: "+e.bitpix)}gaussBlur(d,e.data,e.width,e.height,c);return!0});return this};a.Image.prototype.imarithData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b),f=e.next().value;d=e.next().value;e=e.next().value;if(!b.length)return"add sub mul div min max reset".split(" ");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse imarith opts: "+
+e,g)}e.rawid=e.rawid||"imarith";if("reset"===f||"remove"===f)this.rawDataLayer(e.rawid,"remove");else{void 0!==f&&void 0!==d||a.error("missing arg(s) for image arithmetic");this.xeqStashSave("imarithData",b.slice(),e.rawid);switch(f){case "add":case "sub":case "mul":case "div":case "min":case "max":e.op=f;break;default:a.error("invalid operator for image arithmetic: "+f)}"object"===typeof d?(this.raw.width===d.raw.width&&this.raw.height===d.raw.height||a.error("images must be the same size for image arithmetic"),
+e.argtype="image",e.argval=d):a.isNumber(d)?(e.argtype="value",e.argval=d):((b=a.lookupImage(d))||a.error("imarith arg1 must be an image or a constant: "+d),e.argval=b,e.argtype="image");"div"===e.op&&"value"===e.argtype&&0===e.argval&&a.error("imarith can't divide by zero (nor can anyone else)");if(!e.bitpix)switch(e.argtype){case "image":e.bitpix=0<this.raw.bitpix&&0<e.argval.raw.bitpix?Math.max(this.raw.bitpix,e.argval.raw.bitpix):0>this.raw.bitpix&&0>e.argval.raw.bitpix?Math.min(this.raw.bitpix,
+e.argval.raw.bitpix):0>this.raw.bitpix&&0<e.argval.raw.bitpix?this.raw.bitpix:e.argval.raw.bitpix;break;case "value":e.bitpix=-64===this.raw.bitpix?-64:-32}e.alwaysCopy=!0;e.oraw="current";this.rawDataLayer(e,function(b,c,d){switch(d.argtype){case "image":b=d.argval.raw.data;switch(d.op){case "add":for(d=0;d<c.data.length;d++)c.data[d]+=b[d];break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b[d];break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b[d];break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=
+0===b[d]?0:c.data[d]/b[d];break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b[d]);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b[d]);break;default:a.error("unknown operation for imarith: "+d.op)}break;case "value":b=d.argval;switch(d.op){case "add":for(d=0;d<c.data.length;d++)c.data[d]+=b;break;case "sub":for(d=0;d<c.data.length;d++)c.data[d]-=b;break;case "mul":for(d=0;d<c.data.length;d++)c.data[d]*=b;break;case "div":for(d=0;d<c.data.length;d++)c.data[d]=
+0===b?0:c.data[d]/b;break;case "min":for(d=0;d<c.data.length;d++)c.data[d]=Math.min(c.data[d],b);break;case "max":for(d=0;d<c.data.length;d++)c.data[d]=Math.max(c.data[d],b);break;default:a.error("unknown op for imarith: "+d.op)}break;default:a.error("unknown arg type for imarith: "+d.argtype)}return!0});return this}};a.Image.prototype.shiftData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-0]=arguments[d];var e=$jscomp.makeIterator(b);d=e.next().value;var f=e.next().value;e=e.next().value;
+void 0!==d&&void 0!==f||a.error("missing translation value(s) for shiftData");e=e||{};if("string"===typeof e)try{e=JSON.parse(e)}catch(g){a.error("can't parse shift opts: "+e,g)}e.rawid=e.rawid||"shift";e.x=d;e.y=f;this.xeqStashSave("shiftData",b.slice(),e.rawid);this.rawDataLayer(e,function(a,b,c){var d=a.data.BYTES_PER_ELEMENT;void 0===b.xoff&&(b.xoff=0);void 0===b.yoff&&(b.yoff=0);b.xoff+=c.x;b.yoff+=c.y;if(!c.fill||"clear"===c.fill){if(0<b.bitpix){var e=c.blank||b.header.BLANK||0;b.header.BLANK=
+e}else e=NaN;if("function"===typeof b.data.fill)b.data.fill(e);else for(c=0;c<b.data.length;c++)b.data[c]=e}for(c=0;c<a.height;c++){var f=c+b.yoff;if(!(0>f||f>=a.height)){var g=0;var h=g+b.xoff;e=a.width;0>h&&(g-=h,e+=h,h=0);h+e>a.width&&(e-=h+e-a.width);if(0>=e)return!1;g=(c*a.width+g)*d;g=new Uint8Array(a.data.buffer,g,e*d);h=(f*a.width+h)*d;e=new Uint8Array(b.data.buffer,h,e*d);e.set(g)}}return!0});return this};a.Image.prototype.rotateData=function(c){for(var b=[],d=0;d<arguments.length;++d)b[d-
+0]=arguments[d];var e,f;var g=e=0;d=$jscomp.makeIterator(b);var h=d.next().value,k=d.next().value;this.raws&&this.raws[0]||a.error("no raw data for reprojection");d=this.raws[0];d.header&&d.wcsinfo||a.error("no WCS info available for reprojection");k=k||{};if("string"===typeof k)try{k=JSON.parse(k)}catch(p){a.error("can't parse rotate opts: "+k,p)}k.stash="rotateData";k.rawid="rotate";k.oraw=a.RAWID0;!0!==k.resetSection&&(k.resetSection=!1);var l=d.header;var m=$.extend(!0,{},l);k.center=k.center||
+a.globalOpts.rotationCenter;if("file"!==k.center&&0<this.raw.wcs){var n=this.getPan();(f=a.pix2wcs(this.raw.wcs,n.x,n.y).trim().split(/\s+/))&&1<f.length&&(m.CRPIX1=n.x,m.CRPIX2=n.y,m.CRVAL1=a.saostrtod(f[0]),":"===String.fromCharCode(a.saodtype())&&"galactic"!==this.params.wcssys&&"ecliptic"!==this.params.wcssys&&(m.CRVAL1*=15),m.CRVAL2=a.saostrtod(f[1]))}d.wcsinfo&&(e=d.wcsinfo.cdelt1||0,g=d.wcsinfo.cdelt2||0);if("string"===typeof h)switch(h.toLowerCase()){case "northisup":case "northup":h=0;0<
+e&&(e=-e);0>g&&(g=-g);break;default:h=parseInt(h,10)}a.notNull(l.CD1_1)?(g=-(h*Math.PI/180),e=Math.sin(g),g=Math.cos(g),m.CD1_1=l.CD1_1*g+l.CD1_2*e,m.CD1_2=l.CD1_1*-e+l.CD1_2*g,m.CD2_1=l.CD2_1*g+l.CD2_2*e,m.CD2_2=l.CD2_1*-e+l.CD2_2*g):(m.CROTA2=h,m.CDELT1=e,m.CDELT2=g);k.lcsUseRota2=!0;d.wcsinfo&&(m.ptype=d.wcsinfo.ptype);this.xeqStashSave("rotateData",b.slice(),k.rawid);return this.reprojectData(m,k)};a.Image.prototype.reproject=function(c,b){var d,e,f,g=!1;var h={};var k=/SIMPLE|BITPIX|NAXIS|NAXIS[1-4]|AMDX|AMDY|CD[1-2]_[1-2]|CDELT[1-4]|CNPIX[1-4]|CO1_[1-9][0-9]|CO2_[1-9][0-9]|CROTA[1-4]|CRPIX[1-4]|CRVAL[1-4]|CTYPE[1-4]|CUNIT[1-4]|DATE|DATE_OBS|DC-FLAG|DEC|DETSEC|DETSIZE|EPOCH|EQUINOX|EQUINOX[a-z]|IMAGEH|IMAGEW|LATPOLE|LONGPOLE|MJD-OBS|PC00[1-4]00[1-4]|PC[1-4]_[1-4]|PIXSCALE|PIXSCAL[1-2]|PLTDECH|PLTDECM|PLTDECS|PLTDECSN|PLTRAH|PLTRAM|PLTRAS|PPO|PROJP[1-9]|PROJR0|PV[1-3]_[1-3]|PV[1-4]_[1-4]|RA|RADECSYS|SECPIX|SECPIX|SECPIX[1-2]|UT|UTMID|VELOCITY|VSOURCE|WCSAXES|WCSDEP|WCSDIM|WCSNAME|XPIXSIZE|YPIXSIZE|ZSOURCE|LTM|LTV/;
 var l=/TAN|SIN|ZEA|STG|ARC/,m=function(b,c){if(!c)return b;b=$.extend(!0,{},b);a.isNull(b.CRVAL1)&&!a.isNull(c.crval1)&&(b.CRVAL1=c.crval1);a.isNull(b.CRVAL2)&&!a.isNull(c.crval2)&&(b.CRVAL2=c.crval2);a.isNull(b.CRPIX1)&&!a.isNull(c.crpix1)&&(b.CRPIX1=c.crpix1);a.isNull(b.CRPIX2)&&!a.isNull(c.crpix2)&&(b.CRPIX2=c.crpix2);a.isNull(b.CDELT1)&&!a.isNull(c.cdelt1)&&(b.CDELT1=c.cdelt1);a.isNull(b.CDELT2)&&!a.isNull(c.cdelt2)&&(b.CDELT2=c.cdelt2);a.isNull(b.CROTA2)&&!a.isNull(c.crot)&&(b.CROTA2=c.crot);
 return b};if(a.reproject&&c&&this!==c){this.raws&&this.raws[0]||a.error("no raw data for reprojection");var n=this.raws[0];n.header&&n.wcsinfo||a.error("no WCS info available for reprojection");b=b||{};var p=$.extend(!0,{},n.header);for(r in p)p.hasOwnProperty(r)&&k.test(r)&&delete p[r];if("object"===typeof c){c.raw&&c.raw.header?d=c.raw.header:c.BITPIX&&c.NAXIS1&&c.NAXIS2?d=c:a.error("invalid wcs object input to reproject()");for(r in d)d.hasOwnProperty(r)&&k.test(r)&&(h[r]=d[r]);p=$.extend(!0,{},
 h,p);if(!p.NAXIS||!p.NAXIS1||!p.NAXIS2)return;p.NAXIS1=Math.min(p.NAXIS1,a.globalOpts.image.xdim);p.NAXIS2=Math.min(p.NAXIS2,a.globalOpts.image.ydim);var r=a.raw2FITS(p,{addcr:!0});p="wcs_"+a.uniqueID()+".txt";a.vfile(p,r);a.globalOpts.reprojectLimits&&(r=a.globalOpts.image.xdim,h=a.globalOpts.image.ydim,k=a.globalOpts.image.xdim*a.globalOpts.image.ydim,n.header.NAXIS1*n.header.NAXIS2>k&&a.error("the max reproject size is "+r+" * "+h+". You can use the Bin/Filter/Section plugin to extract a section, then save it as FITS and reproject the smaller image."))}else p=
@@ -419,8 +418,8 @@ b),c.dlayer.canvas.renderAll()}b.polyparams?c.dlayer.params.sel=b.polyparams.pol
 function(c,b){var d,e={},f=c.canvas,g=function(b){b=b.target;var d=b.polyparams.polygon,g=b.polyparams.point,h=d.get("points"),k=c.display.image;void 0!==g&&!1!==d.params.changeable&&(d.angle?e=a.rotatePoint({x:b.left,y:b.top},-d.angle,{x:d.left,y:d.top}):(e.x=b.left,e.y=b.top),h[g].x=(e.x-d.left)/d.scaleX,h[g].y=(e.y-d.top)/d.scaleY,a.resetPolygonCenter(d),a.Fabric._updateShape.call(k,d.params.layerName,d,null,"update"),k&&(k.params.listonchange||d.params.listonchange)&&k.listRegions(d,{mode:2}),
 f.renderAll())},h=function(b){var c,d={};for(c=0;c<b.params.anchors.length;c++)d.x=b.left+b.points[c].x*b.scaleX,d.y=b.top+b.points[c].y*b.scaleY,b.angle&&(d=a.rotatePoint(d,b.angle,{x:b.left,y:b.top})),b.params.anchors[c].set({left:d.x,top:d.y,angle:b.angle}),b.params.anchors[c].setCoords();b._calcDimensions(!0);f.renderAll()};if(!b.params.anchors&&!1!==b.params.changeable){b.params.anchors=[];for(d=0;d<b.points.length;d++){e.x=b.left+b.points[d].x*b.scaleX;e.y=b.top+b.points[d].y*b.scaleY;b.angle&&
 (e=a.rotatePoint(e,b.angle,b.getCenterPoint()));var k=new fabric.Rect({left:e.x,top:e.y,hasControls:!1,hasRotatingPoint:!1,hasBorders:!1,selectable:!0,fill:b.get("stroke"),hoverCursor:"pointer",width:a.Fabric.opts.cornerSize+2,height:a.Fabric.opts.cornerSize+2,padding:2});k.on("moving",g);k.polyparams={};k.polyparams.polygon=b;k.polyparams.point=d;b.params.anchors[d]=k;f.add(k)}b.on("moving",function(){h(b)});b.on("rotating",function(){h(b)});b.on("scaling",function(){h(b)});b.setCoords()}};a.Fabric.removePolygonAnchors=
-function(a,b){var c=a.canvas;if(b&&b.params&&b.params.anchors&&!1!==b.params.changeable){for(a=0;a<b.params.anchors.length;a++)c.remove(b.params.anchors[a]);delete b.params.anchors}};a.Fabric.updateChildren=function(c,b,d){var e,f;if("regions"===c.layerName)if("objects"===d){var g={};c.canvas.getObjects().forEach(function(a){a.params&&(a.params.parent||a.params.children.length)&&(g[a.params.id]=a)});c.canvas.getObjects().forEach(function(a){if(a.params)for(a.params.parent&&(a.params.parent.obj=g[a.params.parent.id]),
-e=0;e<a.params.children.length;e++)a.params.children[e].obj=g[a.params.children[e].id]})}else if(b&&b.params)if("deltas"===d){if(b.params.parent){var h=b.params.parent;h.dleft=h.obj.left-b.left;h.dtop=h.obj.top-b.top;h.moved=!0}}else for(e=0;e<b.params.children.length;e++){var k=b.params.children[e].obj;h=k.params.parent;switch(d){case "moving":k.left=b.left-h.dleft;k.top=b.top-h.dtop;break;case "rotating":for(f=b.angle;0>f;)f+=360;for(;360<=f;)f-=360;var l=f-h.lastangle;var m=a.rotatePoint({x:k.left,
+function(a,b){var c=a.canvas;if(b&&b.params&&b.params.anchors&&!1!==b.params.changeable){for(a=0;a<b.params.anchors.length;a++)c.remove(b.params.anchors[a]);delete b.params.anchors}};a.Fabric.updateChildren=function(c,b,d){var e,f;if("regions"===c.layerName)if("objects"===d){var g={};c.canvas.getObjects().forEach(function(b){b.params&&(b.params.parent||b.params.children.length)&&(g[b.params.id]=b)});c.canvas.getObjects().forEach(function(b){if(b.params)for(b.params.parent&&(b.params.parent.obj=g[b.params.parent.id]),
+e=0;e<b.params.children.length;e++)b.params.children[e].obj=g[b.params.children[e].id]})}else if(b&&b.params)if("deltas"===d){if(b.params.parent){var h=b.params.parent;h.dleft=h.obj.left-b.left;h.dtop=h.obj.top-b.top;h.moved=!0}}else for(e=0;e<b.params.children.length;e++){var k=b.params.children[e].obj;h=k.params.parent;switch(d){case "moving":k.left=b.left-h.dleft;k.top=b.top-h.dtop;break;case "rotating":for(f=b.angle;0>f;)f+=360;for(;360<=f;)f-=360;var l=f-h.lastangle;var m=a.rotatePoint({x:k.left,
 y:k.top},l,{x:b.left,y:b.top});k.left=m.x;k.top=m.y;h.dleft=b.left-k.left;h.dtop=b.top-k.top;for(k.angle+=l;0>k.angle;)k.angle+=360;for(;360<=k.angle;)k.angle-=360;h.lastangle=f;break;case "scaling":h.dleft*=b.scaleX/h.lastscalex,h.dtop=b.scaleY/h.lastscaley*(h.dtop-h.textheight)+h.textheight,h.lastscalex=b.scaleX,h.lastscaley=b.scaleY,h.moved=!0,k.left=b.left-h.dleft,k.top=b.top-h.dtop}k.setCoords();c.display.image&&c.display.image.updateShapes(c.layerName,k,"updatechild")}};a.resetPolygonCenter=
 function(c){var b={};if(1===fabric.major_version){c._calcDimensions();var d=(c.minX+c.width/2)*c.scaleX;var e=(c.minY+c.height/2)*c.scaleY}else e=c._calcDimensions(),d=(e.left+e.width/2)*c.scaleX,e=(e.top+e.height/2)*c.scaleY;c.angle?b=a.rotatePoint({x:c.left+d,y:c.top+e},c.angle,{x:c.left,y:c.top}):(b.x=c.left+d,b.y=c.top+e);if(1<fabric.major_version||5<=fabric.minor_version){d/=c.scaleX;var f=e/c.scaleY;for(e=0;e<c.points.length;e++)c.points[e].x-=d,c.points[e].y-=f}c.left=b.x;c.top=b.y;1<fabric.major_version&&
 (b=c._calcDimensions(),c.width=b.width,c.height=b.height,c.pathOffset={x:b.left+c.width/2,y:b.top+c.height/2});c.setCoords()};a.Fabric.print=function(c){var b,d,e,f=0,g=sprintf("width=%s,height=%s,menubar=1,toolbar=1,status=0,scrollbars=1,resizable=1",this.display.canvasjq.attr("width"),this.display.canvasjq.attr("height"));c=c||{};if("string"===typeof c)try{c=JSON.parse(c)}catch(m){a.error("can't parse print opts: "+c,m)}var h=this.display.canvas.toDataURL("image/png");var k="<html><body style='padding: 0px; margin: 0px' onload='window.print(); return false'>";
@@ -441,10 +440,10 @@ a.MouseTouch.Actions[b].start(c,c.ipos,d)};a.MouseTouch.Actions.stop=function(c,
 break;case 1:e="pinch"}break;case -3:e=d.touchActions[2]}return e};a.MouseTouch.action=function(c,b,d){if((d=d||a.MouseTouch.getAction(c,b))&&a.MouseTouch.Actions[d])a.MouseTouch.Actions[d](c,c.ipos,b)};a.MouseTouch.mousetouchzoom=function(c,b){c=a.lookupDisplay(c);b=b.checked;c&&(c.mousetouchZoom=b)};a.MouseTouch.init=function(){var c=this,b;this.divjq.html("");this.divjq.addClass("JS9PluginScrolling");this.mousetouchContainer=$("<div>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+
 "MouseTouchContainer").appendTo(this.divjq);var d=sprintf("<div class='%s'><span><b>Drag an action to reconfigure JS9 mouse/touch events:</b></span><p>",a.MouseTouch.BASE+"Header");this.mousetouchHeadContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchHeadContainer").html(d).appendTo(this.mousetouchContainer);this.mousetouchTextContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchTextContainer").appendTo(this.mousetouchContainer);
 this.mousetouchActionContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchActionContainer").appendTo(this.mousetouchContainer);if(a.TOUCHSUPPORTED){this.mousetouchTouchTextContainer=$("<div>").addClass(a.MouseTouch.BASE+"TextContainer").attr("id",this.id+"TouchTextContainer").html("").appendTo(this.mousetouchTextContainer);for(b=0;b<a.MouseTouch.touchText.length;b++)a.MouseTouch.addText.call(this,this.mousetouchTouchTextContainer,a.MouseTouch.touchText[b]);
-for(b=a.MouseTouch.touchText.length;b<this.display.touchActions.length;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchTouchContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"TouchContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.touchActions.length;b++)d=this.display.touchActions[b],a.MouseTouch.addAction.call(this,this.mousetouchTouchContainer,"touch",d);this.mousetouchTouchContainer.sortable({start:function(a,
-b){c.oidx=b.item.index()},stop:function(a,b){a=b.item.index();b=c.display.touchActions.splice(c.oidx,1)[0];c.display.touchActions.splice(a,0,b);delete c.oidx}})}if(!/iPad|iPhone|iPod/.test(navigator.platform)){this.mousetouchMouseTextContainer=$("<div>").addClass(a.MouseTouch.BASE+"TextContainer").attr("id",this.id+"MouseTextContainer").appendTo(this.mousetouchTextContainer);for(b=0;3>b;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,a.MouseTouch.mouseText[b]);for(b=3;b<this.display.mouseActions.length;b++)a.MouseTouch.addText.call(this,
-this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchMouseContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"MouseContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.mouseActions.length;b++)d=this.display.mouseActions[b],a.MouseTouch.addAction.call(this,this.mousetouchMouseContainer,"mouse",d);this.mousetouchMouseContainer.sortable({start:function(a,b){c.oidx=b.item.index()},stop:function(a,b){a=b.item.index();b=c.display.mouseActions.splice(c.oidx,
-1)[0];c.display.mouseActions.splice(a,0,b);delete c.oidx}})}d=sprintf("<p><div class='%s'>Use mouse wheel or pinch to zoom:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' value='1' onclick='javascript:JS9.MouseTouch.mousetouchzoom(\"%s\", this);'></div>",a.MouseTouch.BASE+"Footer",this.display.id);this.mousetouchFootContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchFootContainer").html(d).appendTo(this.mousetouchContainer);
+for(b=a.MouseTouch.touchText.length;b<this.display.touchActions.length;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchTouchContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"TouchContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.touchActions.length;b++)d=this.display.touchActions[b],a.MouseTouch.addAction.call(this,this.mousetouchTouchContainer,"touch",d);this.mousetouchTouchContainer.sortable({start:function(b,
+a){c.oidx=a.item.index()},stop:function(b,a){b=a.item.index();a=c.display.touchActions.splice(c.oidx,1)[0];c.display.touchActions.splice(b,0,a);delete c.oidx}})}if(!/iPad|iPhone|iPod/.test(navigator.platform)){this.mousetouchMouseTextContainer=$("<div>").addClass(a.MouseTouch.BASE+"TextContainer").attr("id",this.id+"MouseTextContainer").appendTo(this.mousetouchTextContainer);for(b=0;3>b;b++)a.MouseTouch.addText.call(this,this.mousetouchMouseTextContainer,a.MouseTouch.mouseText[b]);for(b=3;b<this.display.mouseActions.length;b++)a.MouseTouch.addText.call(this,
+this.mousetouchMouseTextContainer,"&nbsp;");this.mousetouchMouseContainer=$("<div>").addClass(a.MouseTouch.BASE+"ActionContainer").attr("id",this.id+"MouseContainer").html("").appendTo(this.mousetouchActionContainer);for(b=0;b<this.display.mouseActions.length;b++)d=this.display.mouseActions[b],a.MouseTouch.addAction.call(this,this.mousetouchMouseContainer,"mouse",d);this.mousetouchMouseContainer.sortable({start:function(b,a){c.oidx=a.item.index()},stop:function(b,a){b=a.item.index();a=c.display.mouseActions.splice(c.oidx,
+1)[0];c.display.mouseActions.splice(b,0,a);delete c.oidx}})}d=sprintf("<p><div class='%s'>Use mouse wheel or pinch to zoom:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type='checkbox' value='1' onclick='javascript:JS9.MouseTouch.mousetouchzoom(\"%s\", this);'></div>",a.MouseTouch.BASE+"Footer",this.display.id);this.mousetouchFootContainer=$("<span style='float: left'>").addClass(a.MouseTouch.BASE+"Container").attr("id",this.id+"MouseTouchFootContainer").html(d).appendTo(this.mousetouchContainer);
 this.display.mousetouchZoom&&this.mousetouchContainer.find("input").attr("checked",!0)};a.Regions={};a.Regions.CLASS="JS9";a.Regions.NAME="Regions";a.Regions.opts={updateWCS:!0,panzoom:!0,tags:"source,include",strokeWidth:2,iradius:0,oradius:30,nannuli:2,width:60,height:60,radius:30,r1:30,r2:20,ptshape:"box",ptsize:2,linepoints:[{x:-30,y:30},{x:30,y:-30}],polypoints:[{x:-30,y:30},{x:30,y:30},{x:0,y:-30}],fontFamily:"Helvetica",fontSize:14,fontStyle:"normal",fontWeight:300,textAlign:"left",angle:0,
 aradius1:4,aradius2:8,configURL:"./params/regionsconfig.html",saveURL:"./params/regionssave.html",sortOverlapping:!0,title:"Edit region",noCenteredScaling:["box","line"],tagcolors:{include_source:"#00FF00",exclude_source:"#FF0000",include_background:"#FFD700",exclude_background:"#FF8C00",source:"#00FF00",background:"#FFD700",defcolor:"#00FF00"},onmousedown:function(c,b,d,e){var f;!a.specialKey(d)&&e.params&&(b=(new Date).getTime(),e.params.lasttime&&b-e.params.lasttime<a.DBLCLICK&&(f=!0),e.params.lasttime=
 b);f?e.params.winid||!1===e.params.changeable||c.displayRegionsForm(e):a.specialKey(d)&&("polygon"===e.type||"polyline"===e.type?(a.Fabric.addPolygonPoint.call(c,e.params.layerName,e,d),a.Fabric._updateShape.call(c,e.params.layerName,e,null,"update")):e.polyparams&&e.polyparams.polygon&&(d=e.polyparams.polygon,a.Fabric.removePolygonPoint.call(c,d.params.layerName,e),a.Fabric._updateShape.call(c,d.params.layerName,d,null,"update")))},onmouseup:function(){var a,b=[];this.getActiveObject()&&b.push(this.getActiveObject());
@@ -470,11 +469,11 @@ q)+"']").prop("checked",!0);x="save"===b.type?"save"+a.globalOpts.regSaveWhich1:
 "\n"),$(w).find("[name='multitext']").val(x));else switch($(w).find("input:text[readonly]").css("border-color","A5A5A5").css("background","#E9E9E9"),c.pub.shape){case "box":case "ellipse":$(w+".angle").removeClass("nodisplay");break;case "text":$(w+".textangle").removeClass("nodisplay");break;case "line":c.pub.pts&&2===c.pub.pts.length?($(w+".linelength").removeClass("nodisplay"),$(w+".lineangle").removeClass("nodisplay")):($(w+".linelength").addClass("nodisplay"),$(w+".lineangle").addClass("nodisplay"))}$(w).data("im",
 this);$(w).data("shape",c);$(w).data("winid",u);$(w).data("multi",n);a.BROWSER[3]?(u="touchstart",r="touchend"):(u="mouseover",r="mouseout");if("save"===b.type)$(w).on(u,function(){$(w).find("input[name='savefile']").focus()});$(w).data("tooltipInit")||($(w).data("tooltipInit",!0),$(".rconfigcol_R, .rsavecol_R").on(u,function(b){var c=b.currentTarget;b=$(c).find("input, textarea, span").data("tooltip");c=$(c).closest(a.lightOpts[a.LIGHTWIN].top).find(a.lightOpts[a.LIGHTWIN].dragBar);b&&c.length&&
 (m=$(c)[0].childNodes[0].nodeValue.replace(/:.*/,""),$(c)[0].childNodes[0].nodeValue=m+": "+b)}),$(".rconfigcol_R, .rsavecol_R").on(r,function(b){b=$(b.currentTarget).closest(a.lightOpts[a.LIGHTWIN].top).find(a.lightOpts[a.LIGHTWIN].dragBar);b.length&&(m=$(b)[0].childNodes[0].nodeValue.replace(/:.*/,""),$(b)[0].childNodes[0].nodeValue=m)}))}}};a.Regions.processConfigForm=function(c,b,d){var e=1;var f={type:"multi",pub:{shape:"multi"},params:{}};var g=d.length,h={},k=this.raw.wcsinfo||{cdelt1:1,cdelt2:1},
-l=function(a){if(void 0!==a)return"number"===typeof a&&0!==a%1&&(a=Math.round(1E4*(a+1E-5))/1E4),String(a)},m=function(a,b){return v?!0:void 0===a?!1:l(a)!==l(b)},n=function(b,c,d){if("remove"===c)return"selected"===d;if("childtext"===c)return b.params.children&&0<b.params.children.length?!1:""!==d;if("strokeDashes"===c)return b.strokeDashArray?JSON.stringify(b.strokeDashArray)!==JSON.stringify(d):""!==d;if("tags"!==c&&""===d)return!1;if("misc"===c&&""!==d)return!0;if("angle"===c)return b.angle!==
+l=function(b){if(void 0!==b)return"number"===typeof b&&0!==b%1&&(b=Math.round(1E4*(b+1E-5))/1E4),String(b)},m=function(b,a){return v?!0:void 0===b?!1:l(b)!==l(a)},n=function(b,c,d){if("remove"===c)return"selected"===d;if("childtext"===c)return b.params.children&&0<b.params.children.length?!1:""!==d;if("strokeDashes"===c)return b.strokeDashArray?JSON.stringify(b.strokeDashArray)!==JSON.stringify(d):""!==d;if("tags"!==c&&""===d)return!1;if("misc"===c&&""!==d)return!0;if("angle"===c)return b.angle!==
 -parseFloat(d);if("ix"===c)return m(b.pub.x,a.saostrtod(d));if("iy"===c)return m(b.pub.y,a.saostrtod(d));if("px"===c&&b.pub.lcs)return m(b.pub.lcs.x,a.saostrtod(d));if("py"===c&&b.pub.lcs)return m(b.pub.lcs.y,a.saostrtod(d));if("ra"===c)return b.pub.wcsedit.wcsposstr?m(a.saostrtod(b.pub.wcsedit.wcsposstr[0]),a.saostrtod(d)):b.pub.wcsposstr?m(a.saostrtod(b.pub.wcsposstr[0]),a.saostrtod(d)):!1;if("dec"===c){if(b.pub.wcsedit.wcsposstr)return m(a.saostrtod(b.pub.wcsedit.wcsposstr[1]),a.saostrtod(d));
-if(b.pub.wcsposstr)return m(a.saostrtod(b.pub.wcsposstr[1]),a.saostrtod(d))}return b.pub.lcs&&void 0!==b.pub.lcs[c]?m(b.pub.lcs[c],d)?!0:!1:m(b.pub[c],d)||m(b.params[c],d)||m(b[c],d)?!0:!1},p=function(b){return"true"===b?!0:"false"===b?!1:a.isNumber(b)?parseFloat(b):b},r=function(a){var b=String.fromCharCode(13,10);return(a||"").replace(/\\n/g,b)};this.lcs&&this.lcs.physical&&(e=Math.sqrt(Math.pow(this.lcs.physical.forward[0][0],2)+Math.pow(this.lcs.physical.forward[0][1],2)));if(b&&b.pub&&b.pub.wcsedit&&
+if(b.pub.wcsposstr)return m(a.saostrtod(b.pub.wcsposstr[1]),a.saostrtod(d))}return b.pub.lcs&&void 0!==b.pub.lcs[c]?m(b.pub.lcs[c],d)?!0:!1:m(b.pub[c],d)||m(b.params[c],d)||m(b[c],d)?!0:!1},p=function(b){return"true"===b?!0:"false"===b?!1:a.isNumber(b)?parseFloat(b):b},r=function(b){var a=String.fromCharCode(13,10);return(b||"").replace(/\\n/g,a)};this.lcs&&this.lcs.physical&&(e=Math.sqrt(Math.pow(this.lcs.physical.forward[0][0],2)+Math.pow(this.lcs.physical.forward[0][1],2)));if(b&&b.pub&&b.pub.wcsedit&&
 b.pub.wcsedit.wcssys)var t=b.pub.wcsedit.wcssys;else t=this.params.wcssys,b=f;var v=$(c).data("multi");f=b.pub.layer||"regions";for(c=0;c<g;c++){var q=d[c].name;var u=d[c].value;if("xpos"===q||"ypos"===q)switch(t){case "image":q="i"+q.charAt(0);break;case "physical":q="p"+q.charAt(0);break;default:q=this.raw.wcs&&0<this.raw.wcs?"xpos"===q?"ra":"dec":"xpos"===q?"ix":"iy"}switch(q){case "text":"text"===b.type&&n(b,q,u)&&(h[q]=r(p(u)));break;case "strokeDashes":u=u.trim().split(/\s+/);n(b,q,u)&&(h.strokeDashArray=
-0===u.length?[]:u.map(function(a){return parseInt(a,10)}));break;case "childtext":"text"!==b.type&&n(b,q,u)&&(h.text=r(p(u)));break;case "ix":n(b,q,u)&&(h.x=p(u),void 0===h.y&&void 0!==b.pub.y&&(h.y=b.pub.y));break;case "iy":n(b,q,u)&&(h.y=p(u),void 0===h.x&&void 0!==b.pub.x&&(h.x=b.pub.x));break;case "px":n(b,q,u)&&(h.px=p(u),void 0===h.py&&b.pub.lcs&&(h.py=b.pub.lcs.y));break;case "py":n(b,q,u)&&(h.py=p(u),void 0===h.px&&b.pub.lcs&&(h.px=b.pub.lcs.x));break;case "ra":n(b,q,u)&&(h.ra=u,void 0===
+0===u.length?[]:u.map(function(b){return parseInt(b,10)}));break;case "childtext":"text"!==b.type&&n(b,q,u)&&(h.text=r(p(u)));break;case "ix":n(b,q,u)&&(h.x=p(u),void 0===h.y&&void 0!==b.pub.y&&(h.y=b.pub.y));break;case "iy":n(b,q,u)&&(h.y=p(u),void 0===h.x&&void 0!==b.pub.x&&(h.x=b.pub.x));break;case "px":n(b,q,u)&&(h.px=p(u),void 0===h.py&&b.pub.lcs&&(h.py=b.pub.lcs.y));break;case "py":n(b,q,u)&&(h.py=p(u),void 0===h.px&&b.pub.lcs&&(h.px=b.pub.lcs.x));break;case "ra":n(b,q,u)&&(h.ra=u,void 0===
 h.dec&&(b.pub.wcsedit.wcsposstr?h.dec=b.pub.wcsedit.wcsposstr[1]:b.pub.wcsposstr&&(h.dec=b.pub.wcsposstr[1])));break;case "dec":n(b,q,u)&&(h.dec=u,void 0===h.ra&&(b.pub.wcsedit.wcsposstr?h.ra=b.pub.wcsedit.wcsposstr[0]:b.pub.wcsposstr&&(h.ra=b.pub.wcsposstr[0])),void 0===h.wcssys&&(h.wcssys=t));break;case "wcssys":break;case "radius":case "length":case "width":case "r1":switch(t){case "image":n(b,q,u)&&(h[q]=p(u));break;case "physical":n(b,q,u)&&(h[q]=p(u)*e);break;default:u=a.strtoscaled(u),u="."===
 u.dtype&&"galactic"!==t&&"ecliptic"!==t?u.dval:Math.abs(u.dval/k.cdelt1),q=q.replace("wcs",""),n(b,q,u)&&(h[q]=p(u))}break;case "height":case "r2":switch(t){case "image":n(b,q,u)&&(h[q]=p(u));break;case "physical":n(b,q,u)&&(h[q]=p(u)*e);break;default:u=a.strtoscaled(u),u="."===u.dtype&&"galactic"!==t&&"ecliptic"!==t?u.dval:Math.abs(u.dval/k.cdelt2),q=q.replace("wcs",""),n(b,q,u)&&(h[q]=p(u))}break;case "radii":n(b,q,u)&&(h[q]=u);break;case "linelength":if(b.pub.pts&&2===b.pub.pts.length&&a.isNumber(u)&&
 u!==this.tmp.linelength){u=parseFloat(u);switch(t){case "image":case "physical":break;default:void 0!==k.cdelt1?u/=Math.abs(k.cdelt1):void 0!==k.cdelt2&&(u/=Math.abs(k.cdelt2))}if(h.pts){q=h.pts[0];var w=h.pts[1]}else q=b.pub.pts[0],w=b.pub.pts[1];if(0<=$.inArray("line",a.Regions.opts.noCenteredScaling)){var y=Math.sqrt((q.x-w.x)*(q.x-w.x)+(q.y-w.y)*(q.y-w.y));var x=q.x-u*(q.x-w.x)/y;u=q.y-u*(q.y-w.y)/y;h.pts=[q,{x:x,y:u}]}else x={x:(q.x+w.x)/2,y:(q.y+w.y)/2},y=parseFloat(this.tmp.lineangle)||0,q.x=
@@ -487,11 +486,11 @@ w&&(d*=15),n=a.saostrtod(n[1])):(d=n.pub.ra,n=n.pub.dec),g.textOpts.ra=d,g.textO
 (d="regions");if(b.wcssys||b.wcsunits){var q=a.globalOpts.xeqPlugins;a.globalOpts.xeqPlugins=!1;if(b.wcssys){var u=this.getWCSSys();this.setWCSSys(b.wcssys,!1);var w=this.getWCSSys()}if(b.wcsunits){var y=this.getWCSUnits();this.setWCSUnits(b.wcsunits,!1)}this.updateShapes(d,c,"update")}n=this.getShapes(d,c,{includeObj:!0});var x=n.length;if(v)for(f=0;f<x;f++){var z=n[f];if((g=z.tags.join(","))&&"source,include"!==g&&"include,source"!==g){m=!0;break}}for(A in a.Regions.opts.tagcolors)a.Regions.opts.tagcolors.hasOwnProperty(A)&&
 r.push(a.Regions.opts.tagcolors[A]);for(f=0;f<x;f++){z=n[f];p=z.obj;g=z.tags.join(",");var A=g.includes("exclude")?"-":"";p=t(p,z);b.saveid&&(p.id=z.id);b.savewcsedit&&z.wcsedit&&0<Object.keys(z.wcsedit).length&&(p.wcsedit=$.extend(!0,{},z.wcsedit));z.color&&!r.includes(z.color)&&(p.color=z.color);m&&(h=" # "+g);z.wcsstr&&"image"!==this.params.wcssys&&"physical"!==this.params.wcssys?("wcs"!==l&&("none"!==l&&(k+="; "),k=z.wcssys?k+z.wcssys:k+this.params.wcssys,l="wcs"),k+="; "+A+z.wcsstr):z.imstr&&
 (l!==z.imsys&&("none"!==l&&(k+="; "),k+=z.imsys,l=z.imsys),k+="; "+A+z.imstr);!1!==b.includejson&&1===v%2&&0<Object.keys(p).length&&("line"===z.shape&&(k=k.replace(/ *{[^{}]*}$/,"")),k+=" "+JSON.stringify(p));h&&(k+=h)}!1===b.includecomments&&(k=k.replace(/ *#[^;]*/g,""));if(u||y)u&&this.setWCSSys(u,!1),y&&this.setWCSUnits(y,!1),this.updateShapes(d,c,"update"),a.globalOpts.xeqPlugins=q;1<v&&this.display.displayMessage("regions",k);return k};a.Regions.copyRegions=function(a,b){return this.copyShapes("regions",
-a,b)};a.Regions.parseRegions=function(c,b){var d=this,e,f,g=[],h=/^-?(annulus|box|circle|ellipse|line|polygon|point|text)$/,k=/^(fk4|fk5|icrs|galactic|ecliptic|image|physical|linear)$/,l=/^(image|physical)$/,m=/[dr:]/,n=/\(\s*([^)]+?)\s*\)/,p=/(\{.*\})/,r=/\s*,\s*/,t=/#(?![a-zA-Z0-9]{6}['"])/,v=function(a){return"0"===a||"false"===a.toLowerCase()?!1:!0},q=function(a){for(var b,c,d,e={},f=/([a-zA-Z][a-zA-Z0-9_]*)\s*=\s*(\d+(\s*\d+)*|[^ '"{]+|['"{][^'"}]*['"}])/g,g={color:function(a){return{color:a}},
-dash:function(a){if(a)return{strokeDashArray:[3,1]}},dashlist:function(a){if(a){var b=a.split(" ");for(a=0;a<b.length;a++)b[a]=parseFloat(b[a]);return{strokeDashArray:b}}},delete:function(a){return{removable:v(a)}},edit:function(a){return{selectable:v(a)}},fixed:function(a){return{zoomable:!v(a)}},font:function(a){var b={};a=a.split(" ");var c=a.length;1<=c&&(b.fontFamily=a[0]);2<=c&&(b.fontSize=parseFloat(a[1]));3<=c&&(b.fontStyle=a[2]);4<=c&&(b.fontWeight=a[3]);return b},highlite:function(a){return{hasControls:v(a),
-hasBorders:v(a),hasRotatingPoint:v(a)}},move:function(a){return{movable:v(a)}},rotate:function(a){return{rotatable:v(a)}},resize:function(a){return{resizable:v(a)}},changeable:function(a){return{changeable:v(a)}},select:function(a){return{selectable:v(a)}},text:function(a){return{text:a}},tag:function(a){return{tags:a}},width:function(a){return{strokeWidth:parseFloat(a)}}};null!==(b=f.exec(a));)if(c=b[1].toLowerCase(),b=b[2].replace(/^['"{]|['"}]$/g,""),g.hasOwnProperty(c)&&"function"===typeof g[c])for(d in c=
-g[c](b),c)c.hasOwnProperty(d)&&("tags"===d&&e.hasOwnProperty(d)?e[d]+=","+c[d]:e[d]=c[d]);else e[c]=b;if(a=a.replace(f,""))e._comment=a.trim();return e},u=function(a){var b,c={opts:{},args:[],isregion:0};a.includes("(")?c.cmd=a.split("(")[0].trim().toLowerCase():a.includes("{")?c.cmd=a.split("{")[0].trim().toLowerCase():a.includes("#")?c.cmd=a.split("#")[0].trim().toLowerCase():c.cmd=a.trim().toLowerCase();c.cmd&&(c.isregion=0<=c.cmd.search(h));var d=a.trim().split(t);if((b=p.exec(d[0]))&&b[0])try{c.opts=
-JSON.parse(b[0].trim())}catch(O){c.opts={}}c.comment=d[1];if(c.comment){var e=q(c.comment.trim());void 0!==e._comment&&(c.comment=e._comment,delete e._comment)}e&&(c.opts=$.extend({},e,c.opts));(b=n.exec(a))&&b[1]&&(c.args=b[1].split(r));c.isregion&&c.cmd.startsWith("-")&&(c.cmd=c.cmd.slice(1),c.comment?c.comment.match(/exclude/)||(c.comment+=",exclude"):c.comment="exclude");return c},w=function(b,c){b=a.strtoscaled(b);var e=a.strtoscaled(c);!b.dtype.match(m)&&!e.dtype.match(m)||A||x.match(l)||(F=
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+c};a.Regions.unremoveRegions=function(){var a=this.regstack.pop();return a?this.addShapes("regions",a):null};a.Regions.changeRegionTags=function(a,b,d){var c;a=a||"all";b=b||[];d=d||[];$.isArray(b)||(b=b.split(",").map(function(b){return b.trim()}));$.isArray(d)||(d=d.split(",").map(function(b){return b.trim()}));var f=this.getShapes("regions",a);for(a=0;a<f.length;a++){var g=f[a].tags;var h=[];for(c=0;c<b.length;c++)0>$.inArray(b[c],g)&&h.push(b[c]);for(c=0;c<g.length;c++)0>$.inArray(g[c],d)&&h.push(g[c]);
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