Legacy ImageMagick Discussions Archive

Hi everyone, perhaps my problem will eventually dissolve into thin air once a more recent version of IM gets available through the Debian repositories (I'm on 6.7.7-10 2012-11-06 for Sid), but I keep wondering about a certain aspect of colorspace handling. Apparently, many of you already have encoun...

Hi fmw42, convert image.png \( -clone 0 -alpha extract maskimage -compose multiply -composite \) \ -alpha off -compose copy_opacity -composite result.png thanks a lot, '-alpha extract' was what I needed, and it was very easey to implement the above procedure in PerlMagick. :-) Anthony, The better wa...

Hi everyone, after some 6 hours of fiddling around and searching the WebI I am staring to get a little desperate... Somehow I just seem to be incapable of understanding home IM handles transparency (as opposed to, say, GIMP). Hence I finally decided to just ask for help on the following task: I hava...

Use '3x50%' or use an absolute value that scales to the quantum-depth of your ImageMagick distribution. Most likely its Q16 so use 59000 instead of 90. That works, thanks a lot! :-) The original posting is from 2006 -- any chance that either PerlMagick or the documentation gets updated? Regards -- ...

Hi threre, Until we get a patch in the current ImageMagick release, use image->SigmoidalContrast( "3x50" ); it seems that currently neither this method, nor the parameters described in the PerlMagic documentation work as they should. At least for me, the following bit of code my $img = Ima...

magick wrote:We can reproduce the problem you posted and will have a patch available by sometime tomorrow.

Great!

Thanx --

tcrass

Remap() has a dither-method option. Use "None" to not dither the results. Ah, thanks! But this is not yet documented on http://www.imagemagick.org/script/perl-magick.php, is it? Regards -- tcrass [EDIT] Hmm... seems not to work. The following piece of code outputs a dithered image (error ...

Hi there,

does anyone know if there is there a way to *prevent* dithering when calling Remap() -- and is willing to share this information with me?

Thanx --

tcrass