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evzoom.js
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/**
* @file evzoom
* @private
* @author John Ingraham <[email protected]>
*/
import * as d3 from "d3";
// Utility functions
function dist(xi, yi, xj, yj) { return Math.sqrt((xi - xj) * (xi - xj) + (yi - yj) * (yi - yj)); }
// Monospace from Google Fonts for Logo text
d3.select("body")
.append("link")
.attr("href", "https://fonts.googleapis.com/css?family=Inconsolata")
.attr("rel", "stylesheet")
var EVzoom = {
svg: {
height: 650,
width: 650
},
axis: {
left: 70,
right: 520,
top: 100,
bottom: 550,
color: "white"
},
grid: {
spacing: 10,
lineWidth: 0.5,
color: "#D0D0D0",
crosshairs: {
opacity: 0.06,
color: "gray",
label: {
font: "sans-serif",
fontSize: "10px",
padX: 4,
padY: 11,
duration: 200
}
}
},
shadow: {
dx: 5,
dy: 5,
std: 8,
scale: 0.2
},
legend: {
left: 70,
right: 520,
top: 565,
bottom: 590,
rx: 10,
ry: 10,
padX: 15,
padY: 5,
fill: "none",
stroke: "none",
font: "sans-serif",
fontSize: "10px",
rows: 2,
columns: 7,
glyph: {
width: 6,
height: 6,
textX: 5,
textY: 3.5,
content: [
{idx: 0, label: "Positive", group: "positive"},
{idx: 1, label: "Polar -OH", group: "hydroxyl"},
{idx: 2, label: "Hydrophobic", group: "hydrophobic"},
{idx: 3, label: "Cysteine", group: "cysteine"},
{idx: 7, label: "Negative", group: "negative"},
{idx: 8, label: "Polar -CON", group: "amide"},
{idx: 9, label: "Aromatic", group: "aromatic"}
]
},
magnitude: {
idx: 4,
textX: 13,
textY: 3.5,
shiftX: 43,
offsets: [-27, -16, -7, 0, 5],
radii: [6, 5, 4, 3, 2]
},
cmap: {
idx: 11,
leftX: -25,
leftY: 3.5,
rightX: 26,
rightY: 3.5,
shiftX: 30,
height: 6,
width: 42,
blocks: 7
}
},
logo: {
data: [],
font: ["Inconsolata", "sans-serif"],
height: 25,
fontScale: 0.2,
bitScale: 4,
opacity: 1.0,
pad: 2,
axis: {
pad: 2,
max: Math.log2(20),
majorTicks: [0, 1, 2, 3, 4],
minorTicks: [0.5, 1.5, 2.5],
majorLength: 2.5,
minorLength: 1,
textX: -6,
stroke: "black",
strokeWidth: 0.5
},
zoom: {
height: 60,
lift: 40,
width: 150,
radius: 5,
fontScale: 1.5,
duration: 100,
destroyDuration: 150,
delay: 0,
opacity: 0,
easeFun: d3.easeCubic,
underline: {
color: "gray",
width: 0.5,
pad: 2.5,
notchRadius: 2.5,
notchHeight: 3,
duration: 300,
delay: 75
}
}
},
couplings: {
data: [],
fill: "#B8B8B8",
highlight: "gray",
matchColor: "white",
stroke: "white",
strokeWidth: 0.5,
maxRadius: 3.5
},
times: {
globalTick: 10,
destroyDuration: 0,
buildDuration: 300,
matchedTimeThreshold: 150
},
matrix: {
x: 335,
y: 650,
cellSize: 15,
opacity: 0.8,
gridColor: "#D0D0D0",
gridWidth: 0.5,
textUp: 2,
textOver: 2.5,
font: "Inconsolata",
fontSize: "20px",
background: {
fill: "white",
stroke: "#D0D0D0",
strokeWidth: 0.5,
padRight: 19,
padTop: 19,
padLeft: 5,
padBottom: 5,
opacity: 0.8
},
// cscale: d3.scaleLinear().domain([-1, 0, 1]).range(["#3374FF", "white", "#FFBE33"]) // Orange and Blue
// cscale: d3.scaleLinear().domain([-1, 0, 1]).range(["#018AFF", "white", "#FF7601"]) // Mandarin and Light Blue
// cscale: d3.scaleLinear().domain([-1, 1]).range(["black", "white"])
// cscale: d3.scaleLinear().domain([-1, 0, 1]).range(["#FF01A5", "white", "#01FF5B"]) // Magenta and Lime
// cscale: d3.scaleLinear().domain([-1, 0, 1]).range(["#683AB7", "white", "#FFE83F"]) // Purple and gold FFE83F
cscale: d3.scaleLinear().domain([-1, 0, 1]).range(["#3A2CB1", "white", "#FFCF22"]) // Purple and gold FFE83F
// cscale: d3.scaleLinear().domain([-2, -0.8, 0, 0.8, 2]).range(["#253259", "#1F4E88", "white", "#E29C29", "#c87711"])
// cscale: d3.scaleLinear().domain([-2, -0.8, 0, 0.8, 2]).range(["#253259", "#1F4E88", "white", "#E261A4", "#42124B"])
// cscale: d3.scaleLinear().domain([-1, 0, 1]).range(["blue", "white", "orange"])
},
state: {
viewerLoaded: 0,
x: 0,
y: 0,
i: 0,
j: 0,
iOld: 0,
jOld: 0,
focus: -1,
zoomBuilt: 0,
matchedTime: 0,
matchedBuilt: 0
}
}
EVzoom.aaGroups = { ".":"gr", "-":"gr", "G":"hydrophobic", "A":"hydrophobic", "I":"hydrophobic", "V":"hydrophobic",
"L":"hydrophobic", "M":"hydrophobic", "F":"aromatic", "Y":"aromatic", "W":"aromatic", "H":"positive",
"C":"cysteine", "P":"hydrophobic", "K":"positive", "R":"positive", "D":"negative", "E":"negative",
"Q":"amide", "N":"amide", "S":"hydroxyl", "T":"hydroxyl"};
// Color scheme from MSAviewer.org
EVzoom.groupColors = {hydrophobic:"#33cc00", aromatic:"#009900", cysteine:"#ffff00", positive:"#cc0000",
negative:"#0033ff", amide:"#6600cc", hydroxyl:"#0099ff"};
// Color scheme 1
EVzoom.groupColors = {hydrophobic:"#FFC107", aromatic:"#FF9800", cysteine:"#8BC34A", positive:"#FF4081",
negative:"#448AFF", amide:"#5E35B1", hydroxyl:"#673AB7"};
// Color scheme 2
EVzoom.groupColors = {hydrophobic:"#E0E0E0", aromatic:"#BDBDBD", cysteine:"#FFC107", positive:"#FF4081",
negative:"#448AFF", amide:"#7C4DFF", hydroxyl:"#7C4DFF"};
// Color scheme 3
EVzoom.aaGroups = { ".":"gr", "-":"gr", "G":"hydrophobic", "A":"hydrophobic", "I":"hydrophobic", "V":"hydrophobic",
"L":"hydrophobic", "M":"hydrophobic", "F":"aromatic", "Y":"aromatic", "W":"aromatic", "H":"positive",
"C":"cysteine", "P":"hydrophobic", "K":"positive", "R":"positive", "D":"negative", "E":"negative",
"Q":"polar", "N":"polar", "S":"polar", "T":"polar"};
EVzoom.groupColors = {hydrophobic:"#D0D0D0", aromatic:"#888888", cysteine:"#8BC34A", positive:"#F61C76",
negative:"#03A9F4", polar:"#1565C0"};
// Color scheme 4
EVzoom.groupColors = {hydrophobic:"#B0B0B0", aromatic:"#707070", cysteine:"#8BC34A", positive:"#F61C76",
negative:"#03A9F4", polar:"#1565C0"};
// Color scheme 4
EVzoom.groupColors = {hydrophobic:"#888888", aromatic:"#404040", cysteine:"#9E9D24", positive:"#F61C76",
negative:"#03A9F4", polar:"#1565C0"};
EVzoom.legend.glyph.content = [
{idx: 0, label: "Positive", group: "positive"},
{idx: 1, label: "Polar", group: "polar"},
{idx: 2, label: "Hydrophobic", group: "hydrophobic"},
{idx: 8, label: "Cysteine", group: "cysteine"},
{idx: 7, label: "Negative", group: "negative"},
{idx: 9, label: "Aromatic", group: "aromatic"}
]
// Functions for the coordinate system
EVzoom.plotWidth = function() { return EVzoom.axis.right - EVzoom.axis.left; };
EVzoom.plotHeight = function() { return EVzoom.axis.bottom - EVzoom.axis.top; };
EVzoom.iToX = function(i) { return EVzoom.axis.left + i * (EVzoom.axis.right - EVzoom.axis.left) / EVzoom.logo.data.length; };
EVzoom.jToY = function(j) { return EVzoom.axis.top + j * (EVzoom.axis.bottom - EVzoom.axis.top) / EVzoom.logo.data.length; };
EVzoom.focusLength = function(d) { return d * (EVzoom.axis.right - EVzoom.axis.left) / EVzoom.logo.data.length; };
EVzoom.barWidth = function() { return (EVzoom.axis.right - EVzoom.axis.left) / EVzoom.logo.data.length; };
EVzoom.radiusFun = function(r) { return EVzoom.couplings.maxRadius * Math.sqrt(r);}
EVzoom.tick = function() {
// Timer for counting things
var coordsChanged = ((EVzoom.state.i != EVzoom.state.iOld) || (EVzoom.state.j != EVzoom.state.jOld));
if (EVzoom.state.viewerLoaded > 0) {
if (EVzoom.state.matchedBuilt == 0 && !coordsChanged) {
EVzoom.state.matchedTime += EVzoom.times.globalTick;
} else {
EVzoom.state.matchedTime = 0;
}
}
var matchedDelay = EVzoom.state.matchedTime - EVzoom.times.matchedTimeThreshold;
if (matchedDelay > 0 && matchedDelay < EVzoom.times.globalTick) EVzoom.update();
}
EVzoom.update = function() {
var couplings = EVzoom.couplings.data;
var logo = EVzoom.logo.data;
// State changes since last tick
var onPlot = EVzoom.state.y > EVzoom.axis.top && EVzoom.state.y < EVzoom.axis.bottom
&& EVzoom.state.x > EVzoom.axis.left && EVzoom.state.x < EVzoom.axis.right;
var coordsChanged = ((EVzoom.state.i != EVzoom.state.iOld) || (EVzoom.state.j != EVzoom.state.jOld));
var delayOver = EVzoom.state.matchedTime > EVzoom.times.matchedTimeThreshold;
if (EVzoom.state.viewerLoaded > 0 && (coordsChanged || (delayOver && EVzoom.state.matchedBuilt == 0))) {
// Matrix drawing
if (onPlot && (((EVzoom.state.matchedBuilt == 0) && delayOver)
|| ((EVzoom.state.matchedBuilt == 1) && coordsChanged))) {
EVzoom.state.matchedBuilt = 1;
// Test if currently focused on contact
var match = -1;
for (var c = 0; c < couplings.length; c++) {
if ((couplings[c].i - 1 == EVzoom.state.i) && (couplings[c].j - 1 == EVzoom.state.j)) match = c;
}
// Destroy if we find something new or we get too far
var focusDist = 0;
if (EVzoom.state.focus >= 0) {
focusDist = dist(EVzoom.state.i, EVzoom.state.j, couplings[EVzoom.state.focus].i - 1, couplings[EVzoom.state.focus].j - 1)
- EVzoom.radiusFun(couplings[EVzoom.state.focus].score);
}
if (focusDist > EVzoom.logo.zoom.radius) {
d3.selectAll("#legendCmap")
.transition()
.attr("opacity", 0)
.delay(0)
.duration(EVzoom.times.destroyDuration);
d3.select("#matrixBG")
.transition()
.attr("opacity", 0)
.delay(0)
.duration(EVzoom.times.buildDuration);
for (var i = 0; i < 20; i++) {
for (var j = 0; j < 20; j++) {
d3.select("#" + "disp" + i + "-" + j)
.transition()
.style("opacity", 0)
.delay(0)
.duration(EVzoom.times.destroyDuration);
d3.select("#" + "biC" + i)
.transition()
.style("opacity", 0)
.delay(0)
.duration(EVzoom.times.destroyDuration);
d3.select("#" + "bjC" + j)
.transition()
.style("opacity", 0)
.delay(0)
.duration(EVzoom.times.destroyDuration);
}
}
EVzoom.state.focus = -1;
EVzoom.state.matchedBuilt = 0;
EVzoom.state.matchedTime = 0;
}
//======================== Begin Display Widget ==========================\
// Expand matrix at new match
if ((match >= 0) && (match != EVzoom.state.focus)) {
console.log("Zooming at " + (EVzoom.state.i + 1) + ", " + (EVzoom.state.j + 1))
// Destroy old
for (var i = 0; i < 20; i++) {
for (var j = 0; j < 20; j++) {
EVzoom.matrix.nodes.cells[i][j]
.transition()
.style("opacity", 0)
.delay(0)
.duration(EVzoom.times.destroyDuration);
EVzoom.matrix.nodes.iLabels[i]
.transition()
.style("opacity", 0);
EVzoom.matrix.nodes.jLabels[j]
.transition()
.style("opacity", 0);
}
}
// Build new
var ix = EVzoom.state.i + 1;
var jx = EVzoom.state.j + 1;
EVzoom.couplings.nodes.circles[match]
.transition()
.attr("fill", EVzoom.couplings.fill)
.delay(0)
.duration(EVzoom.times.buildDuration);
// Move display widget
var subX = EVzoom.iToX(EVzoom.state.i) + EVzoom.matrix.background.padLeft;
var subY = EVzoom.jToY(EVzoom.state.j) + EVzoom.matrix.background.padTop;
var matWidth = couplings[match].matrix.length * EVzoom.matrix.cellSize
+ EVzoom.matrix.background.padRight + EVzoom.matrix.background.padLeft;
var matHeight = couplings[match].matrix[0].length * EVzoom.matrix.cellSize
+ EVzoom.matrix.background.padTop + EVzoom.matrix.background.padBottom;
// Background
d3.selectAll("#legendCmap")
.transition()
.attr("opacity", 1)
.delay(EVzoom.times.destroyDuration)
.duration(EVzoom.times.buildDuration);
d3.select("#matrixBG")
.attr("x", subX - EVzoom.matrix.background.padLeft)
.attr("y", subY - EVzoom.matrix.background.padTop)
.attr("width", 0)
.attr("height", 0);
d3.select("#matrixBG")
.transition()
.attr("width", matWidth)
.attr("height", matHeight)
.attr("opacity", EVzoom.matrix.background.opacity)
.delay(EVzoom.times.destroyDuration)
.duration(EVzoom.times.buildDuration);
// Matrix
for (var i = 0; i < couplings[match].matrix.length; i++) {
for (var j = 0; j < couplings[match].matrix[i].length; j++) {
EVzoom.matrix.nodes.cells[i][j]
.style("opacity", 0)
.attr("x", subX)
.attr("y", subY)
.attr("width", 0)
.attr("height", 0);
EVzoom.matrix.nodes.cells[i][j]
.transition()
.style("opacity", EVzoom.matrix.opacity)
.style("stroke", EVzoom.matrix.gridColor)
.style("stroke-width", EVzoom.matrix.gridWidth)
.style("fill", EVzoom.matrix.cscale(couplings[match].matrix[i][j]))
.attr("x", subX + i * EVzoom.matrix.cellSize)
.attr("y", subY + j * EVzoom.matrix.cellSize)
.attr("width", EVzoom.matrix.cellSize)
.attr("height", EVzoom.matrix.cellSize)
.delay(EVzoom.times.destroyDuration)
.duration(EVzoom.times.buildDuration);
// Text move
var xshift = subX + i * EVzoom.matrix.cellSize + EVzoom.matrix.textOver;
var yshift = subY - EVzoom.matrix.textUp;
EVzoom.matrix.nodes.iLabels[i]
.attr("transform", "translate(" + xshift + "," + yshift + ")")
.text(couplings[match].iC[i])
.transition()
.style("fill", EVzoom.groupColors[EVzoom.aaGroups[couplings[match].iC[i]]])
.style("opacity", 1)
.delay(EVzoom.times.destroyDuration)
.duration(EVzoom.times.buildDuration);
xshift = subX + couplings[match].matrix.length * EVzoom.matrix.cellSize + EVzoom.matrix.textUp;
yshift = subY + j * EVzoom.matrix.cellSize + EVzoom.matrix.textOver;
EVzoom.matrix.nodes.jLabels[j]
.text(couplings[match].jC[j])
.attr("transform", "translate(" + xshift + "," + yshift + ") rotate(90)")
.transition()
.style("fill", EVzoom.groupColors[EVzoom.aaGroups[couplings[match].jC[j]]])
.style("opacity", 1)
.delay(EVzoom.times.destroyDuration)
.duration(EVzoom.times.buildDuration);
}
}
EVzoom.state.focus = match;
}
}
//========================= End Display Widget ===========================
if (coordsChanged) {
console.log("Moving focus window")
// Move the crosshairs if on the grid
if ((EVzoom.state.zoomBuilt == 1) && onPlot) {
var starti = Math.max(0, EVzoom.state.i - EVzoom.logo.zoom.radius);
var stopi = Math.min(logo.length - 1, EVzoom.state.i + EVzoom.logo.zoom.radius);
var startj = Math.max(0, EVzoom.state.j - EVzoom.logo.zoom.radius);
var stopj = Math.min(logo.length - 1, EVzoom.state.j + EVzoom.logo.zoom.radius);
d3.select("#wVert")
.attr("x", EVzoom.iToX(starti))
.attr("width", EVzoom.jToY(stopi) - EVzoom.jToY(starti))
.attr("opacity", EVzoom.grid.crosshairs.opacity);
d3.select("#wHoriz")
.attr("y", EVzoom.jToY(startj))
.attr("height", EVzoom.jToY(stopj) - EVzoom.jToY(startj))
.attr("opacity", EVzoom.grid.crosshairs.opacity);
// Label the vertical axis (horizontal crosshair)
var jString = EVzoom.map.indices[EVzoom.state.j].toString();
if (EVzoom.map.letters[EVzoom.state.j] != "-") {
jString += " " + EVzoom.map.letters[EVzoom.state.j].toString();
}
d3.select("#vZoomIndex")
.attr("x", EVzoom.axis.left - EVzoom.grid.crosshairs.label.padX)
.attr("y", EVzoom.jToY(EVzoom.state.j))
.attr("opacity", 1)
.text(jString);
// Label the horizontal axis (vertical crosshair)
var iString = EVzoom.map.indices[EVzoom.state.i].toString();
if (EVzoom.map.letters[EVzoom.state.i] != "-") {
iString += " " + EVzoom.map.letters[EVzoom.state.i].toString();
}
d3.select("#hZoomIndex")
.attr("x", EVzoom.iToX(EVzoom.state.i))
.attr("y", EVzoom.axis.bottom + EVzoom.grid.crosshairs.label.padY)
.attr("opacity", 1)
.text(iString);
} else {
// Hide if off
d3.select("#wVert")
.attr("opacity", 0);
d3.select("#wHoriz")
.attr("opacity", 0);
d3.select("#vZoomIndex")
.transition()
.attr("opacity", 0)
.duration(EVzoom.grid.crosshairs.label.duration)
.delay(0);
d3.select("#hZoomIndex")
.transition()
.attr("opacity", 0)
.duration(EVzoom.grid.crosshairs.label.duration)
.delay(0);
}
// Highlight the relevant couplings
for (var c = 0; c < couplings.length; c++) {
if (onPlot &&
((couplings[c].i - 1 >= EVzoom.state.i - EVzoom.logo.zoom.radius && couplings[c].i - 1 <= EVzoom.state.i + EVzoom.logo.zoom.radius) ||
(couplings[c].j - 1 >= EVzoom.state.j - EVzoom.logo.zoom.radius && couplings[c].j - 1 <= EVzoom.state.j + EVzoom.logo.zoom.radius))) {
EVzoom.couplings.nodes.circles[c]
.attr("fill", EVzoom.couplings.highlight);
} else {
EVzoom.couplings.nodes.circles[c]
.attr("fill", EVzoom.couplings.fill);
}
}
}
if ((EVzoom.state.zoomBuilt == 1) && !onPlot) {
console.log("Contracting logo")
// Contract Horizontal
var starti = Math.max(0, EVzoom.state.iOld - EVzoom.logo.zoom.radius);
var stopi = Math.min(logo.length - 1, EVzoom.state.iOld + EVzoom.logo.zoom.radius);
for (var i = starti; i <= stopi; i++) {
var cumulative = 0;
for (var j = 0; j < logo[i].length; j++) {
var xshift = EVzoom.iToX(i);
var yshift = EVzoom.axis.top - EVzoom.logo.pad - cumulative;
var scale = logo[i][j].bits / EVzoom.logo.bitScale;
var blockHeight = (logo[i][j].bits / EVzoom.logo.bitScale) * EVzoom.logo.height;
// Transition letters
EVzoom.logo.nodes.hLetters[i][j]
.transition()
.attr("transform", "translate(" + xshift + "," + yshift + ") rotate(0) scale(" + EVzoom.logo.fontScale + "," + scale + ")")
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.destroyDuration)
.delay(EVzoom.logo.zoom.delay);
// Transition blocks
EVzoom.logo.nodes.hBlocks[i][j]
.transition()
.attr("opacity", EVzoom.logo.opacity)
.attr("x", xshift)
.attr("y", yshift - blockHeight)
.attr("width", EVzoom.barWidth())
.attr("height", blockHeight)
.duration(EVzoom.logo.zoom.destroyDuration)
.delay(EVzoom.logo.zoom.delay);
cumulative = cumulative + blockHeight;
}
}
// Contract Vertical
starti = Math.max(0, EVzoom.state.jOld - EVzoom.logo.zoom.radius);
stopi = Math.min(logo.length - 1, EVzoom.state.jOld + EVzoom.logo.zoom.radius);
for (var i = 0; i < logo.length; i++) {
var cumulative = 0;
for (var j = 0; j < logo[i].length; j++) {
var yshift = EVzoom.jToY(i);
var xshift = EVzoom.axis.right + EVzoom.logo.pad + cumulative;
var scale = logo[i][j].bits / EVzoom.logo.bitScale;
var blockHeight = (logo[i][j].bits / EVzoom.logo.bitScale) * EVzoom.logo.height;
// Transitions
EVzoom.logo.nodes.vLetters[i][j]
.transition()
.attr("transform", "translate(" + xshift + "," + yshift + ") rotate(90) scale(" + EVzoom.logo.fontScale + "," + scale + ")")
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.destroyDuration)
.delay(EVzoom.logo.zoom.delay);
// Transition blocks
EVzoom.logo.nodes.vBlocks[i][j]
.transition()
.attr("x", xshift)
.attr("y", yshift)
.attr("opacity", EVzoom.logo.opacity)
.attr("width", blockHeight)
.attr("height", EVzoom.barWidth())
.duration(EVzoom.logo.zoom.destroyDuration)
.delay(EVzoom.logo.zoom.delay);
cumulative = cumulative + blockHeight;
}
}
// Destroy zoom lines
d3.select("#hZoomLine")
.transition()
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay);
d3.select("#hZoomNotch")
.transition()
.attr("d", notchPath1)
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay);
d3.select("#vZoomLine")
.transition()
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay);
d3.select("#vZoomNotch")
.transition()
.attr("d", notchPath1)
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay);
EVzoom.state.zoomBuilt = 0;
}
// Logo zooming
if (onPlot && coordsChanged) {
// Horizontal update
// Determine any new positions
var starti = Math.max(0, EVzoom.state.i - EVzoom.logo.zoom.radius);
var stopi = Math.min(logo.length - 1, EVzoom.state.i + EVzoom.logo.zoom.radius);
if (EVzoom.state.i != EVzoom.state.iOld) {
/// Expand focused columns
var zoomLetterWidth = EVzoom.logo.zoom.width / (1 + 2 * EVzoom.logo.zoom.radius);
var xcenter = EVzoom.iToX(EVzoom.state.i);
for (var i = starti; i <= stopi; i++) {
var cumulative = 0;
for (var j = 0; j < logo[i].length; j++) {
var xshift = xcenter + (i - EVzoom.state.i - 0.5) * zoomLetterWidth;
var yshift = EVzoom.axis.top - EVzoom.logo.zoom.lift - cumulative;
var blockHeight = (logo[i][j].bits / EVzoom.logo.bitScale) * EVzoom.logo.zoom.height;
var scale = logo[i][j].bits / EVzoom.logo.bitScale * 4;
// Transition letters
EVzoom.logo.nodes.hLetters[i][j]
.transition()
.attr("transform", "translate(" + xshift + "," + yshift + ") rotate(0) scale(" + EVzoom.logo.zoom.fontScale + "," + scale + ")")
.attr("opacity", 1)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
// Transition blocks
EVzoom.logo.nodes.hBlocks[i][j]
.transition()
.attr("x", xshift)
.attr("y", yshift - blockHeight)
// .attr("opacity", 0.4 * Math.abs(i - EVzoom.state.i) / EVzoom.logo.zoom.radius * Math.abs(i - EVzoom.state.i) / EVzoom.logo.zoom.radius)
// .attr("opacity", 0.5 / (Math.abs(i - EVzoom.state.i)**2 + 1))
// .attr("opacity", (i == EVzoom.state.i ? 0 : 0))
.attr("opacity", EVzoom.logo.zoom.opacity)
.attr("width", zoomLetterWidth)
.attr("height", blockHeight)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
cumulative = cumulative + blockHeight;
}
}
// Contract unfocused columns
var oldstarti = Math.max(0, EVzoom.state.iOld - EVzoom.logo.zoom.radius);
var oldstopi = Math.min(logo.length - 1, EVzoom.state.iOld + EVzoom.logo.zoom.radius);
for (var i = oldstarti; i <= oldstopi; i++) {
if (i < starti | i > stopi) {
var cumulative = 0;
for (var j = 0; j < logo[i].length; j++) {
var xshift = EVzoom.iToX(i);
var yshift = EVzoom.axis.top - EVzoom.logo.pad - cumulative;
var scale = logo[i][j].bits / EVzoom.logo.bitScale;
var blockHeight = (logo[i][j].bits / EVzoom.logo.bitScale) * EVzoom.logo.height;
// Transition letters
EVzoom.logo.nodes.hLetters[i][j]
.transition()
.attr("transform", "translate(" + xshift + "," + yshift + ") rotate(0) scale(" + EVzoom.logo.fontScale + "," + scale + ")")
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
// Transition blocks
EVzoom.logo.nodes.hBlocks[i][j]
.transition()
.attr("x", xshift)
.attr("y", yshift - blockHeight)
.attr("opacity", EVzoom.logo.opacity)
.attr("width", EVzoom.barWidth())
.attr("height", blockHeight)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
cumulative = cumulative + blockHeight;
}
}
}
// Move the underline
var xleft = xcenter + (starti - EVzoom.state.i - 0.5) * zoomLetterWidth;
var xright = xcenter + (stopi + 1 - EVzoom.state.i - 0.5) * zoomLetterWidth;
var yshift = EVzoom.axis.top - EVzoom.logo.zoom.lift + EVzoom.logo.zoom.underline.pad;
d3.select("#hZoomLine")
.transition()
.attr("x1", xcenter)
.attr("x2", xcenter)
.attr("y1", yshift)
.attr("y2", yshift)
.attr("opacity", 1)
.duration(0)
.delay(0)
.transition()
.attr("x1", xleft)
.attr("x2", xright)
.duration(EVzoom.logo.zoom.underline.duration)
.delay(EVzoom.logo.zoom.underline.delay);
var rad = EVzoom.logo.zoom.underline.notchRadius;
var notchPath1 = "M" + (xcenter - rad) + "," + yshift
+ "L" + (xcenter + rad) + "," + yshift
+ "L" + xcenter + "," + yshift + "Z";
var notchPath2 = "M" + (xcenter - rad) + "," + yshift
+ "L" + (xcenter + rad) + "," + yshift
+ "L" + xcenter + "," + (yshift + EVzoom.logo.zoom.underline.notchHeight) + "Z";
d3.select("#hZoomNotch")
.transition()
.attr("d", notchPath1)
.attr("opacity", 1)
.duration(0)
.delay(0)
.transition()
.attr("d", notchPath2)
.duration(EVzoom.logo.zoom.underline.duration)
.delay(EVzoom.logo.zoom.underline.delay);
}
// Vertical update
// Determine any new positions
var starti = Math.max(0, EVzoom.state.j - EVzoom.logo.zoom.radius);
var stopi = Math.min(logo.length - 1, EVzoom.state.j + EVzoom.logo.zoom.radius);
if (EVzoom.state.j != EVzoom.state.jOld) {
var zoomLetterWidth = EVzoom.logo.zoom.width / (1 + 2 * EVzoom.logo.zoom.radius);
// Expand focused columns
var ycenter = EVzoom.jToY(EVzoom.state.j);
for (var i = starti; i <= stopi; i++) {
var cumulative = 0;
for (var j = 0; j < logo[i].length; j++) {
var yshift = ycenter + (i - EVzoom.state.j - 0.5) * zoomLetterWidth;
var xshift = EVzoom.axis.right + EVzoom.logo.zoom.lift + cumulative;
var blockHeight = (logo[i][j].bits / EVzoom.logo.bitScale) * EVzoom.logo.zoom.height;
var scale = logo[i][j].bits / EVzoom.logo.bitScale * 4;
// Transitions
EVzoom.logo.nodes.vLetters[i][j]
.transition()
.attr("transform", "translate(" + xshift + "," + yshift + ") rotate(90) scale(" + EVzoom.logo.zoom.fontScale + "," + scale + ")")
.attr("opacity", 1)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
// Transition blocks
EVzoom.logo.nodes.vBlocks[i][j]
.transition()
.attr("x", xshift)
.attr("y", yshift)
.attr("opacity", EVzoom.logo.zoom.opacity)
.attr("width", blockHeight)
.attr("height", zoomLetterWidth)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
cumulative = cumulative + blockHeight;
}
}
// Contract unfocused columns
var oldstarti = Math.max(0, EVzoom.state.jOld - EVzoom.logo.zoom.radius);
var oldstopi = Math.min(logo.length - 1, EVzoom.state.jOld + EVzoom.logo.zoom.radius);
for (var i = oldstarti; i <= oldstopi; i++) {
if (i < starti | i > stopi) {
var cumulative = 0;
for (var j = 0; j < logo[i].length; j++) {
var yshift = EVzoom.jToY(i);
var xshift = EVzoom.axis.right + EVzoom.logo.pad + cumulative;
var scale = logo[i][j].bits / EVzoom.logo.bitScale;
var blockHeight = (logo[i][j].bits / EVzoom.logo.bitScale) * EVzoom.logo.height;
// Transitions
EVzoom.logo.nodes.vLetters[i][j]
.transition()
.attr("transform", "translate(" + xshift + "," + yshift + ") rotate(90) scale(" + EVzoom.logo.fontScale + "," + scale + ")")
.attr("opacity", 0)
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
// Transition blocks
EVzoom.logo.nodes.vBlocks[i][j]
.transition()
.attr("x", xshift)
.attr("y", yshift)
.attr("opacity", EVzoom.logo.opacity)
.attr("width", blockHeight)
.attr("height", EVzoom.barWidth())
.duration(EVzoom.logo.zoom.duration)
.delay(EVzoom.logo.zoom.delay)
.ease(EVzoom.logo.zoom.easeFun);
cumulative = cumulative + blockHeight;
}
}
}
// Move the underline
var ytop = ycenter + (starti - EVzoom.state.j - 0.5) * zoomLetterWidth;
var ybottom = ycenter + (stopi + 1 - EVzoom.state.j - 0.5) * zoomLetterWidth;
var xshift = EVzoom.axis.right + EVzoom.logo.zoom.lift - EVzoom.logo.zoom.underline.pad;
// console.log([ytop, ybottom])
d3.select("#vZoomLine")
.transition()
.attr("x1", xshift)
.attr("x2", xshift)
.attr("y1", ycenter)
.attr("y2", ycenter)
.attr("opacity", 1)
.duration(0)
.delay(0)
.transition()
.attr("y1", ytop)
.attr("y2", ybottom)
.duration(EVzoom.logo.zoom.underline.duration)
.delay(EVzoom.logo.zoom.underline.delay);
var rad = EVzoom.logo.zoom.underline.notchRadius;
var notchPath1 = "M" + xshift + "," + (ycenter - rad)
+ "L" + xshift + "," + (ycenter + rad)
+ "L" + xshift + "," + ycenter + "Z";
var notchPath2 = "M" + xshift + "," + (ycenter - rad)
+ "L" + xshift + "," + (ycenter + rad)
+ "L" + (xshift - EVzoom.logo.zoom.underline.notchHeight) + "," + ycenter + "Z";
d3.select("#vZoomNotch")
.transition()
.attr("d", notchPath1)
.attr("opacity", 1)
.duration(0)
.delay(0)
.transition()
.attr("d", notchPath2)
.duration(EVzoom.logo.zoom.underline.duration)
.delay(EVzoom.logo.zoom.underline.delay);
}
EVzoom.state.zoomBuilt = 1;
}
}
// Update state
EVzoom.state.iOld = EVzoom.state.i;
EVzoom.state.jOld = EVzoom.state.j;
} // End of EVzoom.update()
EVzoom.focusIJ = function() {
var L = EVzoom.logo.data.length;
var ix = Math.floor((EVzoom.state.x - EVzoom.axis.left) / (EVzoom.axis.right - EVzoom.axis.left) * L);
var jx = Math.floor((EVzoom.state.y - EVzoom.axis.top) / (EVzoom.axis.bottom - EVzoom.axis.top) * L);
var closest = 0;
var best = L + 1;
// Find closest i,j
var couplings = EVzoom.couplings.data;
for (var c = 0; c < couplings.length; c++) {
var edgeDist = dist(ix, jx, couplings[c].i - 1, couplings[c].j - 1) - EVzoom.radiusFun(couplings[c].score);
if (edgeDist < best) {
best = edgeDist;
closest = c;
}
}
EVzoom.state.i = couplings[closest].i - 1;
EVzoom.state.j = couplings[closest].j - 1;
EVzoom.update();
}
EVzoom.mouseMove = function() {
var mouse = d3.mouse(this);
EVzoom.state.x = mouse[0];
EVzoom.state.y = mouse[1];
var L = EVzoom.logo.data.length;
var ix = Math.floor((EVzoom.state.x - EVzoom.axis.left) / (EVzoom.axis.right - EVzoom.axis.left) * L);
var jx = Math.floor((EVzoom.state.y - EVzoom.axis.top) / (EVzoom.axis.bottom - EVzoom.axis.top) * L);
EVzoom.state.i = ix;
EVzoom.state.j = jx;
// Snappy snapping
var closest = 0;
var best = L + 1;
// Find closest i,j
var couplings = EVzoom.couplings.data;
for (var c = 0; c < couplings.length; c++) {
var edgeDist = dist(ix, jx, couplings[c].i - 1, couplings[c].j - 1) - EVzoom.radiusFun(couplings[c].score);
if (edgeDist < best) {
best = edgeDist;
closest = c;
}
}
if (best < 0) {
EVzoom.state.i = couplings[closest].i - 1;
EVzoom.state.j = couplings[closest].j - 1;
}
// console.log([ix, jx]);
EVzoom.update();
}
EVzoom.buildSVG = function() {
var logo = EVzoom.logo.data;
var couplings = EVzoom.couplings.data;
// Set up canvas
var plot = d3.select("#evzoom-viewer")
.append("svg")
.attr("width", EVzoom.svg.width)
.attr("height", EVzoom.svg.height)
.attr("overflow", "visible")
.style("overflow", "visible")
.on("mousemove", EVzoom.mouseMove);
// Draw axis
var axis = plot.append("rect")
.attr("x", EVzoom.iToX(0))
.attr("y", EVzoom.jToY(0))
.attr("fill", EVzoom.axis.color)
.attr("stroke","white")
.attr("width", EVzoom.plotWidth())
.attr("height", EVzoom.plotHeight());
// Filter for drop shadows
EVzoom.shadow.filter = plot.append("defs")
.append("filter")
.attr("id", "drop-shadow")
.attr("x", "-50%")
.attr("y", "-50%")
.attr("width", "200%")
.attr("height", "200%");
EVzoom.shadow.filter.append("feOffset")
.attr("in", "SourceAlpha")
.attr("dx", EVzoom.shadow.dx)
.attr("dy", EVzoom.shadow.dy)
.attr("result", "offsetAlpha");
EVzoom.shadow.filter.append("feGaussianBlur")
.attr("in", "offsetAlpha")
.attr("stdDeviation", EVzoom.shadow.std)
.attr("result", "blur-out");
EVzoom.shadow.filter.append("feColorMatrix")
.attr("in", "blur-out")
.attr("values", "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 " + EVzoom.shadow.scale + " 0")
.attr("result","shadow")
EVzoom.shadow.filter.append("feBlend")
.attr("in", "SourceGraphic")
.attr("in2", "shadow")
.attr("mode", "normal");
// Draw gridlines
for (var i = 0; i < EVzoom.logo.data.length; i++) {
console.log(EVzoom.map.indices[i])
if (EVzoom.map.indices[i] % EVzoom.grid.spacing == 0) {
// Horizontal
plot.append("line")
.attr("x1", EVzoom.axis.left)
.attr("y1", EVzoom.jToY(i))
.attr("x2", EVzoom.axis.right)
.attr("y2", EVzoom.jToY(i))
.attr("stroke", EVzoom.grid.color)
.attr("stroke-width", EVzoom.grid.lineWidth);
// Vertical
plot.append("line")
.attr("x1", EVzoom.iToX(i))
.attr("y1", EVzoom.axis.top)
.attr("x2", EVzoom.iToX(i))
.attr("y2", EVzoom.axis.bottom)
.attr("stroke", EVzoom.grid.color)
.attr("stroke-width", EVzoom.grid.lineWidth);
}
}
// Horizontal Top & Bottom
plot.append("line")
.attr("x1", EVzoom.axis.left)
.attr("x2", EVzoom.axis.right)
.attr("y1", EVzoom.jToY(0))
.attr("y2", EVzoom.jToY(0))
.attr("stroke", EVzoom.grid.color)
.attr("stroke-width", EVzoom.grid.lineWidth);
plot.append("line")
.attr("x1", EVzoom.axis.left)
.attr("x2", EVzoom.axis.right)
.attr("y1", EVzoom.jToY(0) + EVzoom.plotHeight())
.attr("y2", EVzoom.jToY(0) + EVzoom.plotHeight())
.attr("stroke", EVzoom.grid.color)
.attr("stroke-width", EVzoom.grid.lineWidth);
// Vertical Left & Right
plot.append("line")
.attr("x1", EVzoom.iToX(0))
.attr("x2", EVzoom.iToX(0))
.attr("y1", EVzoom.axis.top)
.attr("y2", EVzoom.axis.bottom)
.attr("stroke", EVzoom.grid.color)
.attr("stroke-width", EVzoom.grid.lineWidth);
plot.append("line")
.attr("x1", EVzoom.iToX(0) + EVzoom.plotWidth())
.attr("x2", EVzoom.iToX(0) + EVzoom.plotWidth())
.attr("y1", EVzoom.axis.top)
.attr("y2", EVzoom.axis.bottom)
.attr("stroke", EVzoom.grid.color)
.attr("stroke-width", EVzoom.grid.lineWidth);
// Draw crosshairs
plot.append("rect")
.attr("id","wVert")
.attr("x", EVzoom.iToX(0))
.attr("y", EVzoom.jToY(0))
.attr("width", EVzoom.focusLength(2 * EVzoom.logo.zoom.radius + 1))
.attr("height", EVzoom.plotHeight())
.attr("opacity", 0)
.attr("fill", EVzoom.grid.crosshairs.color)
.attr("stroke","none");
plot.append("rect")
.attr("id","wHoriz")
.attr("x", EVzoom.iToX(0))
.attr("y", EVzoom.jToY(0))
.attr("width", EVzoom.plotWidth())
.attr("height", EVzoom.focusLength(2 * EVzoom.logo.zoom.radius + 1))
.attr("opacity", 0)
.attr("fill", EVzoom.grid.crosshairs.color)
.attr("stroke", "none");
// Text
var labelX = 0;
var labelY = 0;
plot.append("text")
.attr("id", "vZoomIndex")
.attr("font-family", EVzoom.grid.crosshairs.label.font)
.attr("font-size", EVzoom.grid.crosshairs.label.fontSize)
.attr("opacity", 0)
.attr("text-anchor", "end")
.attr("x", labelX)
.attr("y", labelY)
.text("0");
plot.append("text")
.attr("id", "hZoomIndex")
.attr("font-family", EVzoom.grid.crosshairs.label.font)
.attr("font-size", EVzoom.grid.crosshairs.label.fontSize)
.attr("opacity", 0)