[Sidefx-houdini-list] vex shading

Neil Scholes neil at uvfilms.co.uk
Tue Feb 18 10:27:27 EST 2014


Hey check out i think its the multi-fractal patterning course on cmivfx - nice vex stuff with cops, vex etc
Neil Scholes

+44(0) 7977 456 197
www.uvfilms.co.uk






On 18 Feb 2014, at 15:19, herman wrote:

> dear francois,
> 
> many thanks, i mainly want to create copfilter at vex, then use that copvex filter at img for creating image.
> so my intention is to make 2d patterning.
> 
> cheers
> herman
> 
> ----- Original Message ----- From: "François Duchesneau" <sidefx at trinix.ca>
> To: <sidefx-houdini-list at sidefx.com>
> Sent: Tuesday, February 18, 2014 9:00 PM
> Subject: Re: [Sidefx-houdini-list] vex shading
> 
> 
> Hi Herman,
> 
> I never had to learn vex because I already knew Renderman Shading
> language (rsl). You have more chance to find learning material in RSL.
> Only a few function names or parameter order are different but at this
> point is just a matter of looking at the vex functions help page and
> figure out how to call your vex function instead of the rsl. This is a
> good start.
> 
> http://www.fundza.com/rman_shaders/surface/
> 
> However if you just want to make things happen, you don't have to learn
> vex. Instead just use Vop. Once in a while you'll want to use an Inline
> Sop (a node that allows you to introduce a piece of code inside your
> node based network of functions). You can actually learn from the code
> generated by vex if you right click on a Vop Sop for example and click
> on View Vex Code.
> 
> Good luck.
> 
> François
> 
> herman wrote:
>> hi all,
>> 
>> i want to learn more of houdini vex shading language, i had cmivfx Vex Sop video before, however, i want to go further. Anyone knows any good online tutorial available?
>> 
>> thanks.
>> 
>> herman
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