How can I split an 4 channel rgb pic in qgis? With the value tool I can see 4 channel. I tried to use the RGB to PCT tool but I always get an error (File "C:\PROGRA~1\QGISBR~1\bin\pct2rgb.py", line 125, in ct_size = ct.GetCount() AttributeError: 'NoneType' object has no attribute 'GetCount' )
Answer
gdal_translate is able to extract single bands:
gdal_translate -b 1 in.tif out1.tif
gdal_translate -b 2 in.tif out2.tif
gdal_translate -b 3 in.tif out3.tif
gdal_translate -b 4 in.tif out4.tif
Raster -> Conversion -> Translate will create a gdal_translate command line, which you can edit to specify the band you want.
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