https://community.esri.com/t5/python-questions/accessing-advanced-symbology-with-python-sample/m-p/1059596#M61173 <P>ldef = layer.getDefinition('V2')<BR />ldef.renderer.sampleSize = 1000000000<BR />layer = layer.setDefinition(ldef)</P><P>&nbsp;</P> Wed, 19 May 2021 19:00:05 GMT WesleyCosta 2021-05-19T19:00:05Z https://community.esri.com/t5/python-questions/accessing-advanced-symbology-with-python-sample/m-p/1051468#M60906 <P>Is it possible to set the 'sample size' property of&nbsp;&nbsp;<A href="https://pro.arcgis.com/en/pro-app/latest/help/mapping/layer-properties/graduated-symbols.htm" target="_self">graduated symbology</A>&nbsp;programmatically?&nbsp;The&nbsp;<A href="https://pro.arcgis.com/en/pro-app/latest/arcpy/mapping/graduatedsymbolsrenderer-class.htm" target="_self">GraduatedSymbolsRenderer </A>&nbsp;does not have any advanced symbology parameters, but I need to increase the default sample size from 10,000 to 1M in a&nbsp; Python script.</P><P>I would like to avoid having to calculate the 'Natural Breaks' but if need be can anyone recommend a reference?</P><P>Thank you in advance!</P><P>&nbsp;</P> Mon, 26 Apr 2021 19:40:30 GMT https://community.esri.com/t5/python-questions/accessing-advanced-symbology-with-python-sample/m-p/1051468#M60906 Yuriko 2021-04-26T19:40:30Z https://community.esri.com/t5/python-questions/accessing-advanced-symbology-with-python-sample/m-p/1051689#M60916 <P>I read in that documentation that the advanced properties are not available unless you access via CIM.&nbsp; Take a look at <A href="https://pro.arcgis.com/en/pro-app/latest/arcpy/mapping/python-cim-access.htm" target="_self">Python CIM access</A> and see if you want to go that route?</P> Tue, 27 Apr 2021 12:59:20 GMT https://community.esri.com/t5/python-questions/accessing-advanced-symbology-with-python-sample/m-p/1051689#M60916 Kara_Shindle 2021-04-27T12:59:20Z https://community.esri.com/t5/python-questions/accessing-advanced-symbology-with-python-sample/m-p/1059596#M61173 <P>ldef = layer.getDefinition('V2')<BR />ldef.renderer.sampleSize = 1000000000<BR />layer = layer.setDefinition(ldef)</P><P>&nbsp;</P> Wed, 19 May 2021 19:00:05 GMT https://community.esri.com/t5/python-questions/accessing-advanced-symbology-with-python-sample/m-p/1059596#M61173 WesleyCosta 2021-05-19T19:00:05Z