mapnik/tests/visual_tests/styles/simplify-visvalingam-whyatt.xml

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2014-11-02 19:13:19 +01:00
<Map background-color="white" 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">
<Style name="lines">
<Rule>
<LineSymbolizer simplify-algorithm="[algorithm]" simplify="[simplify]" geometry-transform="translate(0, [ty])" />
</Rule>
</Style>
<Layer name="world" 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>lines</StyleName>
<Datasource>
<Parameter name="type">sqlite</Parameter>
<Parameter name="file">../../data/sqlite/world.sqlite</Parameter>
<Parameter name="use_spatial_index">true</Parameter>
<Parameter name="table">
(SELECT *, 'visvalingam-whyatt' as algorithm, 10 as simplify, -375 as ty FROM world_merc UNION ALL
SELECT *, 'visvalingam-whyatt' as algorithm, 20 as simplify, -125 as ty FROM world_merc UNION ALL
SELECT *, 'visvalingam-whyatt' as algorithm, 40 as simplify, 125 as ty FROM world_merc UNION ALL
SELECT *, 'visvalingam-whyatt' as algorithm, 80 as simplify, 375 as ty FROM world_merc)
</Parameter>
</Datasource>
</Layer>
</Map>