[Sidefx-houdini-list] I am looking for an example of coloured smoke

paul flanagan paulflan at gmail.com
Mon Apr 26 17:39:42 EDT 2010


hey,

that link doesn't seem to go to a relevant example.. whats the name of it?
p,

On Mon, Apr 26, 2010 at 11:52 AM, Steve Tucker <Steve.Tucker at starz.com> wrote:
> I'm not entirely sure if I understand what you're asking for... but you can try taking a look at http://www.sidefx.com/index.php?option=com_wrapper&Itemid=150.  This has an example of emitting particles in a voxel simulation which can be used to color smoke.
>
>  - Steve
>
> Stephen Tucker, VFX Artist
> p: 416.682.5200 x 5363  | f: 416.682.5209
> Starz Media Canada Co. | 230 Richmond Street East | Toronto, ON M5A 1P4
> www.starzanimation.com
>
>
> -----Original Message-----
> From: sidefx-houdini-list-bounces at sidefx.com [mailto:sidefx-houdini-list-bounces at sidefx.com] On Behalf Of Robert Kelly
> Sent: Sunday, April 25, 2010 12:33 PM
> To: sidefx houdini list
> Subject: [Sidefx-houdini-list] I am looking for an example of coloured smoke
>
> I am looking for an example of coloured smoke.....
> As in R G B smoke sources, different coloured smoke bombs mixing in a
> gas container. I haven't found much on the web. I will try to nut it
> out my self but i am sure someone has a solid way of doing it.
>
> For a little context I have a helicopter blowing dust up and the
> compositor wants smoke with RGB colours so he can mix other colours
> into the dust to add more variation in the colours of the dust
> (probably 3 flavors of brown). I was thinking to have different
> coloured sources of smoke on the ground, they may mix quickly into
> brown smoke so it may be not what i am after. He wants the same kind
> of information you get when you have a sprite render and randomly have
> them choose to be red green or blue.
>
> An idea just popped into my head ... I could stick a colour value on
> my vorticles and transfer that to my gas as i render it or transfer it
> to a volume first. anyone know what would be faster to work with...
> the rgb sourced smoke, the smoke that coloured its self with
> vorticles. If the vorticles option.. would it be faster to transfer
> the colours into a volume then render it or render the volume doing a
> point cloud call?
>
> thanks
>
> Robert.
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