[Sidefx-houdini-list] rendering point colors

luc froehlicher lulu at alamaison.fr
Sun Oct 8 16:28:00 EDT 2006


thanks rick.it works fine.
I guess it was a stupid question. :)
luc

Rick Walia wrote:

>Hi Luc,
>
>If you append an attribute sop to your sop chain you can rename attributes.
>
>First you have to find out what the name of the channel that you want to
>pass to the shader and then to mantra.
>
>As a quick test, in shops get a vex super material shop.
>If you hover your mouse over the Diffuse label on the parameters you should
>see the little floating help that says
>diffr diffg diffb
>
>This shader is looking for the diff parameter name for the diffuse channel.
>
>Now let's go back to sops. If you middle click on your Color Sop  you should
>see that you have a point attribute called Cd of vector type.
>What we need to do is change the name Cd to diff as the shader above is
>expecting that for the diffuse channel.
>
>Append an attribute sop and under the Point tab:
>In the From field type Cd
>In the To field type diff
>
>Now append a shader sop to this attribute sop and set the surface shader to
>the vex super material you created in shops. If you set the render and
>display flag on the shader sop, you should be able to render your object
>with the same colors as the color sop.
>
>
>Cheers,
>
>/Rick
>
>
>
>On 10/6/06 5:47 PM, "luc froehlicher" <lulu at alamaison.fr> wrote:
>
>  
>
>>I've put some colors on the points of my object with a sop color node
>>... works fine in the viewport
>>but ... how can I use that color with mantra inside a shader.
>>sorry if it's a stupid question but I didin't find how to do that .
>>luc
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