PostScript - Problem with ghostscript and TextAlphaBits

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Author

Problem with ghostscript and TextAlphaBits

fhtino

2005-11-23, 3:57 am

Hello,

I need to convert pdf/ps files to tiff g3. I want to use ghostscipt
8.53 to do that but sometime text disappears. In particular if I use
high resolution and TextAlphaBits=2 or TextAlphaBits=4.

My command line:
gswin32c.exe -dBATCH -dNOPAUSE -r600 -sDEVICE=tiffg3
-dTextAlphaBits=4 -dGraphicsAlphaBits=1 -sFONTPATH=C:\WINDOWS\Fonts
-sOutputFile=out\output.tif problem2.pdf

Parameters and Results:
-r150 -dTextAlphaBits=1 OK
-r300 -dTextAlphaBits=1 OK
-r600 -dTextAlphaBits=1 OK
-r150 -dTextAlphaBits=4 OK
-r300 -dTextAlphaBits=4 OK
-r600 -dTextAlphaBits=4 Text disappears!

I don't understand....... any idea?

Thank you very much

Fabrizio

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