osm_vectors.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map [
<!ENTITY % entities SYSTEM "zoom_scales.xml.inc">
%entities;
]>

<Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over" background-color="#c4dff6" maximum-extent="-20037508.34,-20037508.34,20037508.34,20037508.34">

 <Datasource name="osm">
       <Parameter name="dbname">osm</Parameter>
       <Parameter name="extent">-20037508.34 -20037508.34 20037508.34 20037508.34</Parameter>
       <Parameter name="geometry_field">way</Parameter>
       <Parameter name="type">postgis</Parameter>
       <Parameter name="max_size">200</Parameter>
 </Datasource>

 <Style name="polygon" filter-mode="first" >
  <Rule>
    &maxscale_zoom14;
    <PolygonSymbolizer clip="true" smooth="0"/>
  </Rule>
</Style>


<Style name="line" filter-mode="first" >
  <Rule>
    &maxscale_zoom12;
    <LineSymbolizer clip="true"/>
  </Rule>
</Style>

<Style name="roads" filter-mode="first" >
  <Rule>
    &maxscale_zoom0;
    &minscale_zoom12;
    <LineSymbolizer clip="true" simplify-algorithm="visvalingam-whyatt" simplify-tolerance="300" />
  </Rule>
</Style>

<Style name="point" filter-mode="first" >
  <Rule>
    &maxscale_zoom10;
    <PointSymbolizer />
  </Rule>
</Style>

<Style name="city" filter-mode="first" >
  <Rule>
    <Filter>[place]='city'</Filter>
    &maxscale_zoom0;
    &minscale_zoom10;
    <PointSymbolizer/>
  </Rule>
</Style>

<Layer name="polygon"
  srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
    <StyleName>polygon</StyleName>
    <Datasource base="osm">
       <Parameter name="table">(select * from planet_osm_polygon where osm_id > 0) as osm_polygon</Parameter>
    </Datasource>
  </Layer>

<Layer name="line"
  status="on"
  srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
    <StyleName>line</StyleName>
    <Datasource base="osm">
       <Parameter name="table">(select * from planet_osm_line where osm_id > 0) as osm_line</Parameter>
    </Datasource>
  </Layer>

<Layer name="roads"
  status="on"
  srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
    <StyleName>roads</StyleName>
    <Datasource base="osm">
       <Parameter name="table">(select name,highway,oneway,ref,way from planet_osm_roads where osm_id > 0 and highway='motorway') as roads</Parameter>
    </Datasource>
  </Layer>

<Layer name="point"
  status="on"
  srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
    <StyleName>point</StyleName>
    <Datasource base="osm">
       <Parameter name="table">(select * from planet_osm_point where osm_id > 0) as points</Parameter>
    </Datasource>
</Layer>


<Layer name="city"
  status="on"
  srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
    <StyleName>city</StyleName>
    <Datasource base="osm">
       <Parameter name="table">(select * from planet_osm_point where osm_id > 0 and place='city') as city</Parameter>
    </Datasource>
</Layer>

</Map>