Re: [gdal-dev] Tiff file with CMYK colors that appears much worse with GDAL than in Windows Photo Viewer

2020-01-29 Thread Mikael Rittri
Thanks for the advice about ImageMagick, Lars. I found it hard to learn to use ImageMagick, though. But a co-worker suggested Krita which was easier to use, and it could convert my CMYK file to RGB in a nice way. I now believe my CMYK file lacks a CMYK color profile, so I suppose GDAL and

Re: [gdal-dev] Tiff file with CMYK colors that appears much worse with GDAL than in Windows Photo Viewer

2020-01-21 Thread Lars Schylberg
Hi, When I have more advanced needs in tiff-processing I usally use ImageMagick "convert" command. It has more options to do advanced things with images. Convert will complain that it doesn't understand the geotiff tags, but that is something You could ignore, it is just warnings. Use the

[gdal-dev] Tiff file with CMYK colors that appears much worse with GDAL than in Windows Photo Viewer

2020-01-21 Thread Mikael Rittri
Hello, list. I need some advice. We have a customer with some Tiff files with CMYK colors. It is a rasterized vector map, not an orthophoto, so the assigned colors are somewhat arbitrary, of course. The file colors look pleasant enough when opened with Windows Photo Viewer, and these are