How do I set attribute symbology when converting from and ArcGIS dataset to KML? Can it be done during the conversion process through FME, or do I need to format the KML file after conversion?
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Have a look at the KMLStyler and the KMLPropertySetter transformers. You can also take the safety catch off and play with setting the kml_ prefixed format attributes. http://fmepedia.safe.com/articles/FAQ/What-s-the-difference-between-user-attributes-and-format-attributes http://fmepedia.safe.com/articles/How_To/How-Do-I-Set-a-Format-Attribute You might find the KML tutorial useful also: http://www.safe.com/learning/training/on-demand/tutorials/#kmltutorial
I have done this for a single featureclass that had heap of category symbologies
I use some vba (if you have a vba license in arcmap for version 10 +) that gets the polygon fill colours for a featureclass in a mxd and the associated attribute and puts into a csv.
I then featuremerge that csv with the features in FME and use that value to assign to the fme_color for each feature.
Works really well. Would this could be useful for you?
I would say SchemaMapper might be good to have a look at to map the attribute-values from ArcGIS to KML-specific attribute-values. If you do the opposite (from KML) I think FME "translates" some KML-format-colors/settings to FME-colors/settings - so they are "automatically" translated to output-formats that supports coloring (MapInfo?).