Map of input to output levels. 0x0517 ∙ 1303
IG_ISIS_TAG_TRCMAP8 allows an arbitrary mapping of eight-bit input levels to eight-bit output levels and may, depending on the scanner, affect binary and other modes as well.
IG_ISIS_TAG_TYPE_BYTE
Drivers for scanners that implement mapping of input levels to output levels. Currently only the Dunord ISIS driver DUNISIS.PXW implements this tag.
IG_ISIS_TAG_TRCMAP8 has 256 elements, each with valid choices in the range of 0 to 255.