New answers tagged rendering
2
Mapnik itself is basically just a rendering engine. As I understand, it can be used to render anything from tiles, to 8.5"x11", and even plotter-sized PDFs. To describe it very simply, Mapnik takes your data inputs, a spatial boundary, and a set of symbology styles (either hard-coded or an XML source), then it renders the map (potentially just a simple tile) ...
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Since ArcGIS 10.1, you can use UniqueValueSymbology to edit it.
Please follow ArcGIS Help 10.1 UniqueValuesSymbology section
http://resources.arcgis.com/en/help/main/10.1/index.html#/UniqueValuesSymbology/00s30000005s000000/
However, Arcpy doesn't implement all of ArcObjects functions such as change to UniqueValueRenderer from the other renderers, and change ...
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