Hi Guys I'm reprojecting some rasters from OSGB (EPSG:27700) to WGS84 (EPSG:4326) and am running into a problem.
The rasters are reprojecting nicely, but I am left with black pixels around the image where the reprojected image doesnt fit squarely within the rectangular dimensions of the file. I posted about this issue a few weeks ago, and then realised that I should be marking that colour as transparent when rendering using GeoServer, and ho! everything was OK. However, I am now reprojecting some greyscale rasters, and by making the black pixels on the outside transparent, I am losing the black details of the raster image that I want to display! Is there a way of selecting the colour that gdal uses to populate these dead pixels around the side? MTIA Rob
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