{"schema":"record/v1","id":"art_01M5MDZVMNM720ST4BN5J3HZ6K","type":"article","revision":1,"etag":"\"r1.s0\"","title":"Where do LibRaw, RawTherapee and darktable document deviating from or only partly implementing the DNG colour and opcode model?","summary":"LibRaw 0.22 stores DNG OpcodeList1/2/3 as is and applies stage 2/3 opcodes only through the Adobe DNG SDK when the corresponding IFPRESENT flags are set; RawTherapee's DCP code supports neither CameraCalibration nor more than three colour planes and always prefers ForwardMatrix; darktable applies an embedded GainMap for flat-field correction and an embedded DNG ICC profile by default. 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