It would seem that the real issue is that some code I was using was
doing an implicit convert of the tif image to jpeg before the 
transformation took place.

Sorry to bother.

Angus Stewart wrote:
> 
> FOP 0.20.5rc2
> 
> ISSUE: TIFF image rendering in pdf is lossy.
> 
> QUESTION 1: Is this a configuration item?
> QUESTION 2: How can I, as a user, resolve this issue.
> 
> Comparison of tiff image to rendered image in pdf. PDF
> shows marked degredation.
> 
> PDF contains tag: /DCTDecode - indicates lossy compression
> 
> Using a faxed tiff image.
> 
> Looked at ./org/apache/fop/image/TiffImage.java:
>   According to code when compression type equals 3 use CCFFilter.
>   Suspect, however, that DCTFilter used instead.
> 
> tiffinfo:
>   Image Width: 1728 Image Length: 1073
>   Resolution: 204, 98 pixels/inch
>   Bits/Sample: 1
>   Compression Scheme: CCITT Group 3
>   Photometric Interpretation: min-is-white
>   FillOrder: msb-to-lsb
>   Orientation: row 0 top, col 0 lhs
>   Samples/Pixel: 1
>   Rows/Strip: 1073
>   Planar Configuration: single image plane
>   Group 3 Options: (0 = 0x0)
>   Fax Data: clean (0 = 0x0)
> 
> Can convert the image format and render with better 'visual'
> results, but this makes fop a little hungry. (tried png).
> 
> Your help is appreciated.
> 
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