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Re: [hylafax-users] dotted pattern using sendfax



Pietro,

if you can't fix the input (i.e. because you have some automated system and your users are delivering those "dirty" input files) and if you're input is PDF and you have some CPU time left, you can use this (you'll get the idea, needs ImageMagick):

---
gs -q -dNOPAUSE -dBATCH -sPAPERSIZE=a4 -dFIXEDMEDIA -dUseCropBox -r209x196 -sDEVICE=pnggray -sOutputFile=in.pdf.out_%03d.png in.pdf


convert +antialias +dither in.pdf.out_*.png -modulate 90 -contrast -dither -monochrome in.pdf.out.tif

sendfax -m [...] in.pdf.out.tif
----

It works very well for us (dotted background gets mostly removed).

-Konrad

Pietro Melideo schrieb:
Folks,

using sendfax the result on a traditional fax (fax machine) is a paper with the right content but
with a a backgound pattern composed by dots.


I suppose it's something related to the HiRes parameter or something else?


========================= Piero Melideo ========================= LGnet SpA ========================= melideop@xxxxxxxx www.lgnet.it =========================



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