I have an ArcGIS map document with one layer symbolized with Categories > Unique values. I want to update symbology for this layer by specifying a path to a picture marker symbol for every unique value. I can do that manually by clicking each default symbol in the Layer properties > Symbology and then Edit Symbol > type = Picture Marker Symbol and browsing to the file needed.
I have a list of
attribute value -- name of .bmp file on disk.
Is there a way to do this in an automated way with ArcGIS/arcpy?