[Sidefx-houdini-list] rendering closed curves

Luc Froelicher lulu at alamaison.fr
Thu Nov 2 07:02:48 EST 2006


on the same subject , I'm trying to render a closed curve

I set the normal with a Point SOP to be radial to the circle ($NX=$TX , 
$NY=0 , $NZ=$TZ)
but in my shader , I get N=(0,1,0) ... which i guess is the normal of 
the closed disk.
how can I use the points normal to render the ribbon ?

luc

Peter Robbinson wrote:
> You can also use the Primitive sop and "unroll" Close U in the Face/Hull
> folder.
>
> PeterR
>
> On Tue, 2006-31-10 at 12:31 +0100, Luc Froelicher wrote:
>   
>> found the carve op !
>> working fine now ...
>>
>> luc
>>
>> Luc Froelicher wrote:
>>     
>>> I'm trying to render curves but I didn't figure out how to do that on 
>>> closed curve (circular shapes)
>>> as soon as I close the curve it renders as a full disk , and I need a 
>>> ribbon.
>>> is this possible ?
>>>
>>> luc
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