Rappy Cheng

StarfishRap

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Houdini Engine

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Recent Forum Posts

Render out vector fields for visualization? 2011年9月28日0:10

Help with displacement shader 2011年4月26日23:45

Hi all,
I'm trying to make a displacement shader to implement into a snow shader.
But it's not working the way I intended.
The shader I'm trying to make is here:
snow shader [creativecrash.com]


Below is the pattern I want to use as displacement.

Trying to apply the displacement into here.

Results:




Things that I've tried:
converting the pattern into HSV
converting the pattern into luminance
Using the fit node to decrease the displacement amount
Using the normalized node but it seems like displacement will not work after…

Someone please advise, thank you for your time.
No idea why the images doesn't work.
Visit the link below to see screen shots.
for the file please visit:
http://forums.odforce.net/index.php?/topic/13106-help-with-displacement-shader/ [forums.odforce.net]

color ramp parameter and rendering error 2011年2月5日3:48



Hi, I'm trying to get the above color ramp parameter to link up with the one in my pop network. Could someone please help me out?

I've been hitting an error whenever I try to render out image sequence.

mantra: Error initializing procedural ‘sprite’ on object /obj/geo1

I'm able to render only frame by frame.
I've tried recreating the entire network from scratch.
I've tried copying nodes and pasting them into a new file.
http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=18189&highlight=sprite [sidefx.com]