If i clip a raster in Arcmap (10.5) and the export it so as to import it into autocad 2018(vanilla using georefimg - not map3d or civil). it gives me a error message and will not attach the image. it also will not open in adobe lightroom or infraview. If I open it in QGIS and save it from there it works... Any thoughts on why? would love to skip this step and keep all of my processing in arcmap.
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2What format are you exporting out as?– Keagan AllanCommented Apr 11, 2018 at 20:52
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tif with world file– David SumnerCommented Apr 12, 2018 at 13:59
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1 Answer
I determined that to export a tiff that will be compatible with Autocad you must check "Use renderer" and "Force RGB" to produce an 8bit pixel depth raster. Otherwise the the raster will be promoted to a 16bit pixel depth which autocad will not recognize. Compression, at least LZW compression cannot used either.
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unfortunately this produces a tiff with a white background rather than one capable of being transparent in autocad which would be nice. Any thoughts on how to get a transparent background without promoting pixel depth? Commented Apr 13, 2018 at 12:09