[Sidefx-houdini-list] transformation follow rgb of image
ben.schrijvers at guerrilla-games.com
Mon Dec 8 04:30:52 EST 2008
I would say keep trying with that pic() function.
For start I would use $MAPU and $MAPV instead of $CEX and $CEY as that
will give you only a single pixels color.
Second... the enlightment bit... use a Gamma Cop node (probably value
2.2) to adjust the scale of your width or height.
> hi all,
> this one is done by grasshopper, http://madeincalifornia.blogspot.com/2008/11/circlepattern05.html , i think houdini can also do the task by expression specifying the width and height of cylinder to follow the grey tone of the image.
> i remember in "procedural city"dvd, there was an expression- pic("/img/img1/blur2",$CEX,$CEY,D_CR)*0.6 to specify the transforming according to image created in img... i tried to apply the same principle but fail...
> wonder if any master here can give enlightment! or any previous example! thanks!
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