Bug
Projecting a point in a custom geoprocessing service from NAD_1983_HARN_UTM_Zone_18N to NAD_1983_StatePlane_Maryland_FIPS_1900_Feet suffers from a 3 feet precision error in the Northing coordinate.
| Bug ID Number | BUG-000108118 |
|---|---|
| Submitted | September 18, 2017 |
| Last Modified | February 11, 2025 |
| Applies to | ArcObjects SDK |
| Version found | 10.5 |
| Operating System | Windows OS |
| Operating System Version | 10.0 64 Bit |
| Status | Known Limit |
Additional Information
The behavior is expected. As it is possible that gtdefalts.json file is used to get the default transformation. If the transformation 108190 is used then 1 meter offset is expected. The transformation that should be used is NAD_1983_To_HARN_MD_DE, 1485, which has a smaller offset between NAD83 and HARN (cm-level) - user needs to specify it. The service is using gtdefaults.json file, and in this case, it's the wrong answer.Steps to Reproduce
Bug ID: BUG-000108118
Software:
- ArcObjects SDK
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