[magick-users] avoiding antialiasing when composing a small j peg into an A4 pdf

Rebecca York Rebecca.York at 2ndbyte.com
Mon Mar 3 03:04:16 PST 2008


I am not sure if this will help or not, but try specifing the resizing
filter. I'm assuming it's going to be scaling it somewhat if it's blurring
it - or it might be making the jpeg too small and the printer is scaling it
up which is why it looks blurred.

To resize to a4;
-filter Lanczos -resize 2490x3510!  (300dps)

Although it's probably best to start with a image of these dimentions.

Use the following dimentions;  8.3x11.7 multiplied by DPS of the printer.

-----Original Message-----
From: Renee Iova [r.iova at snv.de] 
Sent: 2008-03-03 10:44

the situation: i have a jpeg image and an A4 pdf file (from text). 
i just need to compose them, which works inherenetly, but the letters in the
composed image are quite blurred afterwards.

turning off antialiasing with "+antialias" didn't help. 

does anyone have a clue ? it would be no problem for me to switch things off
in the image magick sources, but cannot afford the time to search things.
(plz don't misunderstand - i only ask for the  source coordinates, if you
know it by rote!)

rene


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