Forums Houdini Indie and Apprentice Mosaic window light?

Mosaic window light?

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Teress
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Hi everybody, I switched to Houdini from Maya and RenderMan. Some times ago I did one scene, where a light comes through the mosaic window and casting color rays through little fog. I am trying to achieve that in Houdini but have no luck. I tried portal light, geometry light but it is behave little strange. In attachment I post a reslut from Maya and RenderMan and want to do the same in Houdini.
Can anybody please help me how to do that? Thanks a lot. Teresa

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34_PxrVolume_08_74.jpg (157.2 KB)

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Teress
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In RenderMan shader the mosaic picture was placed to the refractions but I can't find the way how to put an image map to refractions in Houdini. I am attaching the sample scene with light fog, box and window, probably someone can help please…

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mosaic_window.zip (300.6 KB)

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SreckoM
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Try something like this. You can build your own materials and plug texture into Refract color. File attached.

Render.
http://www.evernote.com/shard/s234/sh/d9633008-452b-41d3-a149-e94cf6428eee/e57e0a9a5f05954ad3333792bf0f8b09 [evernote.com]

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mosaic_window2.hipnc.hiplc (1.7 MB)

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Teress
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Hi Srecko, Yes, thats it. I din't know how to put a file to the ref_ctr. So simple, just add a texture node a connect it Thanks a lot.
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Teress
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By the way is there anywhere description of all available inputs and outputs of these nodes? “ref_clr” is quite easy to think it is reflection color, but there is a lot of strange named inputs and outputs so man don't kniw what each one means.
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SreckoM
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You can mouse over property, on Mantra surface node or inside on VOPs nodes, and that will give more descriptive name.
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