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Priority ranks and geoprocessing tools |
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Release 9.3
Last modified January 11, 2011 |
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NOTE: This topic was updated for 9.3.1.
Priority ranks are used by many geoprocessing tools. Ranking is a way to give greater control to feature classes that are known to have more reliable positions.
There are two sets of tools that use ranks: tools with multiple inputs that explicitly allow ranking to be set, and certain overlay and extraction tools that give a higher rank to the input features over the overlay or extract features.
The geoprocessing tools below allow you to specify ranks for the input feature classes:
- Intersect (Analysis)
- Union (Analysis)
- Integrate (Analysis)
The geoprocessing tools below do not allow you to specify ranks for the input features; the input feature class will always be ranked higher than the overlay (clip, identity, symdiff) features. Update is the exception to this rule, as the update features will be given a higher rank over the input features.
- Clip (Analysis)
- Split (Analysis)
- Erase (Analysis)
- Identity (Analysis)
- Symmetrical Difference (Analysis)