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Renderman Run Program


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hello everybody,

I'm using a RIB procedure under an obj's render tab to run a tcl script that generates RIB geometry on the fly (a custom l-system for a project) and am trying to pass data from attributes on the houdini geometry to the tcl script. I have gotten it to work so far for an individual piece of geometry (passing different variabes using the ch() such as constantwidth and such). The problem I am having is that I want to point instance this obj to another object, say a grid and use the renderman procedural object like a MTOR ribbox (sorry for the maya reference) and then pass point data from each individual point onto the runprogram statement. I think houdini just places the statement at every point and there is no way to transfer per point information.

I know this is probably confusing but its a difficult thing to explain. Any help would be greatly apprecaited and I can post a .hip if i need to.

thank you.

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