Mapnik - The Missing Manual

3.10.12. DotSymbolizer

…TODO…

Table 33. DotSymbolizer Attributes
Attribute	Type	Default
`height`	float	1.0
`width`	float	1.0
`fill`	color	gray
`opacity`	float	1.0
`comp-op`	string	src-over

TODO: "dot=list" (see http://mapnik.org/mapnik-reference/#3.0.22/dot )

Example 66. DotSymbolizer width-height

<?xml version="1.0" encoding="utf-8"?>
<Map background-color="white">
  <FileSource name="symbols">./symbols</FileSource>

  <Style name="style">
    <Rule>
      <DotSymbolizer height="[height]" width="[width]" fill="red"/>
      <TextSymbolizer face-name="DejaVu Sans Book" allow-overlap="true" dy="20">[width]+","+[height]</TextSymbolizer>
    </Rule>
  </Style>

  <Layer name="layer">
    <StyleName>style</StyleName>
    <Datasource>
      <Parameter name="type">csv</Parameter>
      <Parameter name="inline">
wkt,width,height
"POINT(0 0)",10,10
"POINT(1 0)",20,10
"POINT(2 0)",10,20
      </Parameter>
    </Datasource>
  </Layer>

</Map>