We have a zoning layer symbolized with unique values, many fields. We use three layers and get a combination of 50 - 60 symbols, at a guess. How can I add a new symbol for a new combination of values in the three fields without undoing all the existing symbology and starting from scratch. Thanks.

ArcGIS 10.0 sp1


You should be able to click the 'add values...' button and click the complete list option to see all available combinations, or use the add button to create a new item that isn't currently present in the dataset. adding one new item should not change the existing symbology

  • 1
    Thanks. I'd swear I tried that several times, no luck. But now it works. Go figure.
    – recurvata
    Jan 22 '14 at 18:28

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