Re: Blending overlapping images WITHOUT blending the background in too

Posted by Christophe CHAMOT-2 on Aug 13, 2009; 7:28am
URL: http://imagej.273.s1.nabble.com/Blending-overlapping-images-WITHOUT-blending-the-background-in-too-tp3691487p3691490.html

Hello Alan,

The simpliest way I suppose is to choose  "Transparent-zero" as paste
mode in Edit > Paste Control ...
Then copy and paste, the black bacground will not be averaged.

Hope it helps.

Alan Hewat a écrit :

> I want to blend together two overlapping (monochrome) images so that
> the overlapping parts are their average intensities.
>
> But if I paste these images with paste control "blend" into a new
> image with a black (or white) background, the background is blended in
> too.
>
> Is their a paste mode that will not also blend in the black background
> ? Or can I set the background to something that won't be blended in
> when I paste onto it ?
>
> Alan.
> ______________________________________________
> Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
> <[hidden email]> +33.476.98.41.68
>         http://www.NeutronOptics.com/hewat
> ______________________________________________
>  

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Christophe CHAMOT
Responsable Technique PLATIM
IFR128 BioSciences Lyon-Gerland
04.72.72.87.62
www.ifr128.prd.fr/PLATIM