Re: Unable to do PDF comparison
Posted: 2019-03-20T08:40:17-07:00
For the use of "null:", see http://www.imagemagick.org/script/comma ... php#layers , method "composite".
When you have a difference image that is black where there is no difference, you can process that image, eg "-auto-level", or "-fill white +opaque black" to turn all non-black into white.
When you have a difference image that is black where there is no difference, you can process that image, eg "-auto-level", or "-fill white +opaque black" to turn all non-black into white.