Legacy ImageMagick Discussions Archive

I got this error in my log. Do I have the wrong version of IM installed? Did I format something incorrectly? [2010-12-10T16:29:34+00:00] Executing '/usr/local/bin/convert imageA.jpg -channel rgb -separate \( -clone 1 -distort SRT 1.01 0 \) \( -clone 2 -distort SRT 1.02 0 \) -delete 1-2 -combine resu...

For anyone else taking a look at this thread there is one thing I had to change in the command. -resize widthxheight\!

the \! made sure to ignore the orginal file's aspect ratio. This will ensure that A completely covers B. Otherwise it wont unless they are the same aspect ratio.

http://placesnapdev02.s3.amazonaws.com/ ... 18c5_o.jpg

You can see it there in the middle of the picture. I think it comes from the linear dodge. Anyone know a secret for getting rid of these artifacts?

I am getting these errors a lot lately when pixels go over a value of 1 (or 255 I guess in non float) http://placesnapdev02.s3.amazonaws.com/6a8df34d83bbf5b2cf85ffbec0c37bec750c2cb4_640.jpg When I was getting this with extreme hald changes I would just do a +level 1% before modifying the color and t...

Do you have to put the first "\" characters in there for it to work? Or is that just so you can have a new line?

I did a couple tests on doing a variable blur like they show in this example: http://www.imagemagick.org/Usage/mapping/#blur I was doing this on a 2kx2k image with a circular gradient for a mask. I had to do a amount of at least 30 before I really started to see any effect. The problem is that is wa...

Hi everyone. I want to create a chromatic aberration effect in IM. I want to scale the blue channel and the green channel from the center at different amounts, how would I go about doing this? For instance lets say I want to scale the blue channel 2% and the green channel 1% while leaving the red ch...

Thanks everyone you guys rock! I appreciate the help very much.

Is there a way of doing this if you don't know the resolution of image A?

I am unable to figure out how to do this from the manual, maybe someone here can shed some light? I want to multiply image A over image B. Image A is a different resolution from image B, so I want to resize A to match B and then multiply it over in a single line. Is this possible? Do I need to know ...