On Tue, Aug 22, 2017 at 7:46 PM, Jeshua Lacock <[email protected]> wrote: > > To hopefully help troubleshoot; I just reprojected one of the raster tiles > (from epsg: 3857), into the source location of one of the lonlat vectors > (reverse projections from my OP), and the datasets are offset by the same > distances. Since the dimensions of the raster are being changed (by r.proj), > it leads me to think it must be a datum or coordinate system misalignment and > not a projection issue.
I have the same problem, working with NAIP imagery. It is related to: https://trac.osgeo.org/grass/ticket/2229 I have to remove nadgrids: @null from the PROJ_INFO file to be able to reproject into that location, but then it is shifted. gdalwarp helps. > > For example, here is a test raster tile in the Comp Projection (epsg: 3857): > http://3DTOPO.com/epsg_3857.png > > And in the reverse lonlat projection: http://3DTOPO.com/lonlat.png > > (the raster tile should be located in the red area in both examples) > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
