[Sidefx-houdini-list] cop's log 2 lin

Andrew D Lyons tstexture at gmail.com
Fri Jan 9 12:24:33 EST 2009

Is this the kind of image you are dealing with?


I'd guess you would need to know the black point,white point, and
gamma with which the image were encoded...


2009/1/9 Ben Schrijvers <ben.schrijvers at guerrilla-games.com>:
> Hi there,
> In COP's how do I convert from a log image to a linear image?
> I've found a log(x) function in the Function Cop but somehow that gives
> me negative values.
> But that probably the wrong way around in that it's lin to log.
> So what's the inverse? Obviously I've got now idea what I'm talking about...
> cheers,
> benS
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Andrew D Lyons | Digital Artist | http://www.tstex.com

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