Hi Evan, Thanks for the response, I'll give it a go. As you are on the ticket I mentioned, I assume the rationale behind the change was to remove the implicit assumption of overlap? Was there also a subpixel shift then when doing it the "old" way?
Cheers, Ferdi On Fri, Jul 14, 2023 at 10:50 PM Even Rouault <even.roua...@spatialys.com> wrote: > Ferdinand, > > you can for example use "gdal_edit.py -ro -a_ullr X1 Y1 X2 Y2 your.tif" to > create a geotransform in a sidecar .aux.xml file. If the pan and ms images > have the same extent, you could possibly just use -a_ullr 0 0 1 -1 > (untested though). This hypothesis is not totally true as there's some > subpixel shift for those products between the pan and ms bands if I > remember well, so you might need to tune that a bit to get optimal results, > but generally assuming same extent should give you already a decent result. > > Even > Le 14/07/2023 à 17:36, Ferdinand a écrit : > > Hi all, > > We do stereo photogrammetry on Pleiades/PNeo images, and in one case we > run our algorithms on pansharpened images. > > Our workflow therefore was that we would pan-sharpen the images and then > run our stereo processing (using the panchromatic RPC model for the > pansharpened image). > > However, with the change in this PR: > https://github.com/OSGeo/gdal/pull/7373 which was integrated into release > 3.7.0, this is no longer possible. gdal_pansharpen.py now gives: > `RuntimeError: > Panchromatic band has no associated geotransform`. > > What is the recommended workflow for this now? We can't orthorectify the > images first, as we need the raw row/column information in the image in > order for the photogrammetry processing to work. > > Is there some other way to add a geotransform that does not require > warping the image? > > > Cheers, > > Ferdi > > _______________________________________________ > gdal-dev mailing > listgdal-dev@lists.osgeo.orghttps://lists.osgeo.org/mailman/listinfo/gdal-dev > > -- http://www.spatialys.com > My software is free, but my time generally not. > >
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