[Sidefx-houdini-list] transferring colour to groups question

Alvaro Castaneda varomix at gmail.com
Wed Jul 27 23:12:24 EDT 2011


that's a very nice trick, actually Adam does a very similar thing in this
tutorial for letters http://vimeo.com/17039552

check out the tutorial for some nice tricks

cheers!!



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On Wed, Jul 27, 2011 at 8:13 PM, Dan Wills <gdanzo at gmail.com> wrote:

> Hey Phil,
>
> If you do end up using a forEach (group) - inside you could promote the
> parameter to a detail attribute (attribPromote node - take your pick what
> combination mode to use) and then back to primitive to make sure all prims
> in the chunk get the same value.
>
> dan
>
> On Thu, Jul 28, 2011 at 2:49 AM, Phil Spicer <PSpicer at bournemouth.ac.uk
> >wrote:
>
> > Hi,
> >
> > I have a red animated curve driving a crack along a wall, and as the
> curve
> > grows I want its red colour to be transferred onto some crack debris
> chunks
> > I have created, with the idea that when the chunk turns red, it becomes
> > under the influence of DOPs and fires out of the wall.
> >
> > An Attribute Transfer will do the trick (sort of) where the animated
> curve
> > transfers its red information as points or primitives; however I want to
> > transfer the colour information to each chunk group (so each chunk
> visually
> > switches 'on' as the animated curve passes through it).
> >
> > I have been looking at the For Each SOP which does have group iteration
> > capability; however internally the colour is still being passed as point
> or
> > primitive as before.
> >
> > Any thoughts or ideas would be most welcome...
> >
> > Kind regards,
> >
> > Phil.
> >
> >
> >
> >
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