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I have scanned maps georeferenced in custom projection with local datum. I have transformation parameters from the local datum to WGS84.

I created a mosaic dataset for the georeferenced maps with custom projection. Now I created another mosaic dataset referenced to first one to have new dataset with WGS84 datum.

I added Reproject function in raster chain functions and set the output projection as WGS84. There is no place to set transformation parameter from local datum to WGS84 and as a result the new raster dataset is not reprojected properly.

Please suggest me how to overcome this issue.

  • Possibly use the Create Custom Geographic Transformation tool. That will at least make a transformation available to the system. – mkennedy Aug 29 '17 at 18:14
  • Transformation is already added in the system for on-the-fly projection on ArcMap. This information is not available on the Reproject Raster Chain function. – Kyaw Naing Win Aug 30 '17 at 3:05

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