Bug
The Union function in the geoprocessing toolbox in ArcMap returns incorrect geometries when the tolerance is set to two meters as the distance affects vertices larger than two meters.
| Bug ID Number | BUG-000111478 |
|---|---|
| Submitted | February 8, 2018 |
| Last Modified | June 5, 2024 |
| Applies to | ArcGIS for Desktop |
| Version found | 10.6 |
| Operating System | Windows OS |
| Operating System Version | 10.0 64 Bit |
| Status | Will Not Be Addressed |
Additional Information
Using the XYTolerance in this manner is incorrect. It is recommended to never use the XYTolerance parameter, to never change the XY Res/XYTol using geoprocessing environments and to never modify the feature class spatial reference XYRef/XYTol properties from their defaults. http://desktop.arcgis.com/en/arcmap/latest/manage-data/geodatabases/feature-class-basics.htm#GUID-76CEEA65-4E1D-4DF0-A085-2D1A736EC6F5 "The x,y tolerance is an extremely small distance (the default is 0.001 meters in on-the-ground units). It is used to resolve inexact intersection locations of coordinates during clustering operations. " "The maximum distance a coordinate could move to its new location during such operations is the square root of 2 times the x,y tolerance. The clustering algorithm is iterative, so it is possible in some cases for coordinate locations to shift more than this distance." Please read the XYTolerance section in full. https://support.esri.com/en/white-paper/1301 also may help for an understanding of Spatial Reference properties, what they are for and how they are used internally.Steps to Reproduce
Bug ID: BUG-000111478
Software:
- ArcGIS for Desktop
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