Sunday, 27 January 2019

qgis - Why are raster z-values changed when reprojecting?


I have raster data with height values (z). When I try to reproject/warp the raster to Gauss Kruger 3, the z-values are changing (several meters). (The data is already GK3, but I have to reproject them, because the clipper function does not work otherwise.)


Why is that?




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