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Why is the arcpy script for symbology rendering color and color outline for GraduatedColorRendering and SimpleRendering the same?

10-12-2022 04:49 PM
New Contributor III

I noticed that the arcpy script to change the symbol outline for symbology rendering does not work in ArcGIS Pro v. 2.8. Using the python console to troubleshoot my python script, I realized that 

if sym.renderer.type == 'SimpleRenderer':
  sym.renderer.symbol.color = {'RGB' : [0, 0, 0, 0]}} 
  sym.renderer.symbol.outlineColor = {'RGB' : 0, 0,0, 0]}

 will change the color of the point symbol, but not the point symbol outline. The same for the graduated color rendering, 

for brk in sym.renderer.classBreaks:
    brk.symbol.outlineColor = {'RGB' : [0,0,0,0]}
    brk.symbol.color  = {'RGB':[0,0,0,0]}

It doesn't matter what color RGB I change it, the outlineColor and color will only result in the symbol color change. The outline color does not work. I was wondering if there is a way around this without using applysymbologyfromlayer gp tool ? I have script to create a customized my graduate color rendering and using the tool will change my graduate color rendering. Thanks for your help!

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MVP Esteemed Contributor

Did you see the code sample here for potentially missing code bits

Symbol—ArcGIS Pro | Documentation

... sort of retired...
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