[MapServer-users] Using of GCP file in Mapserver based on Layers Object's Extent and Projection

[Marcin Niemyjski]

Hello,

I'm struggling with rasters with Ground Control Points (GCP). My previous workflow of dealing with them looks like:

Original GCP raster -> gdal warp -of VRT to vrt -> TileIndex created from multiple VRTs

I have found similiar problem on mapserver mailing list. I confirm that creating VRT files helps also in my use case - https://lists.osgeo.org/pipermail/mapserver-users/2020-September/081858.html

But the problem is - i really want to avoid the need of creating VRTs

What I have now:
https://paste.ofcode.org/JJWL2E4EEzs5TzJeLUpRYS

How WMS is projected:
https://pasteboard.co/wQwovivslGDa.png

How it should be:
https://pasteboard.co/xWiLv6LYVgG8.png

Adding more PROJ4 lib attributes (like "axis=neu") fails.

Any recommedation/sugestions?

Thanks,
Marcin







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