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Difference mode?

Q and A about functionality and how to solve a special task for your application.

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Norm151

Difference mode?

Post by Norm151 » 09 May 2014, 19:14

Is there a way in Ventuz to do the difference mode that is in Photoshop? Where 2 exact images on top of each other would result in a black or transparent image?

If there is, then is there a way to measure and record that amount of black? Such as from the histogram or luma values?

Christian Krix Schmidt
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Re: Difference mode?

Post by Christian Krix Schmidt » 12 May 2014, 07:02

Yes there is using a custom Shader. There was a Photoshop Layer Mode Shader going around on the forum. http://forum.ventuz.com/viewtopic.php?f ... shop#p5262

Or do it yourself if you are into that sort of thing. Should only be a few lines of code. Here is some interesting information and GLSL/HLSL code about it. http://mouaif.wordpress.com/2009/01/05/ ... l-shaders/

Chris

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