Hi.
I've produced some volume renderings which needs to be printed on paper. For this I needed to invert the greyscale of the volume rendering. See http:www.daimi.au.dk/~alras/ArtTest4.png for clarification. I haven't found any way to change the blendfunc in the VolRen library besides hardcoding it in OSGBrick.cpp. Is there another way to do this?

/Allan


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