The AutoCAD Map's MAPIINSERT (Map>Image>Insert...) command (or Insert>Image in AutoCAD, _IMAGE) supports only some of the compression schemes available in TIFF raster file format and doesn't support the CMYK color scheme. The following table lists the TIF V6/6.0 subformats (for monochrome .tif files) and their support in Autodesk Map 3D 2005/2006 and AutoCAD 2005/2006 (and 2007 and higher):
File Size (sample)
Uncompressed multipage TIFF
Partial, only first page
no (displays as 'gray noise'); YES since A2007
RLE-compressed TIFF (Huffman)
no (US version only*); YES since A2007
no (displays as 'color noise'); YES since A2007
CCITT3-compressed TIFF (1Dim, Group 3 Fax)
CCITT3-compressed TIFF (2Dim, Group 3 Fax)
no; YES since A2007
CCITT4-compressed TIFF (Group 4 Fax)
16-bit grayscale TIFF
No, some yes, since 2012
48-bit color TIFF
NOTE: For the US versions installed from network deployment: copy the files ielzwdec80.dll and egifrd80.dll from AutoCAD CD '\ACADFeui\Program Files\Common Files\Autodesk Shared' to the 'C:\Program Files\Common Files\Autodesk Shared' folder.
You may also consider using ECW or SID compressed raster file formats in Map and higher AutoCAD versions. For raster file format conversion (incl. batch conversion) you can use e.g. the IrfanView freeware viewer (www.irfanview.com).
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Please use these tips at your own risk. CAD Studio (Xanadu) is not responsible for possible problems that may occur as a result of using any of these tips.
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