[Sidefx-houdini-list] Hiding a smoke source

Christopher Stewart stonesoupdigital at gmail.com
Thu Oct 13 17:32:20 EDT 2011

Still learning here too. I thought you might be able to run the
"cutter" object through the volume blur to create an adjustable
falloff when hiding the main volume's source.

Anyway, glad it helped.


Christopher (who is still looking for a entry level Houdini-using
position in Vancouver!)

Christopher Stewart
Vancouver, BC
3D | VFX | IT

On Thu, Oct 13, 2011 at 1:59 PM, Alex Czetwertynski <disciple1 at gmail.com> wrote:
> Thanks for that file, very interesting to see your setup...I'm still learning all the volume manipulation stuff, so this is great.
> Thanks
> Alex
> On Oct 12, 2011, at 4:04 PM, Christopher Stewart wrote:
>> http://www.flay.com/files/clip_and_reduce_volume.hipnc
>> A distilled version of what I did to a fluid volume sequence that was
>> far too detailed and heavy for it's final purpose. Axed off the source
>> and unseen portions, reduced the number of voxels, blurred the result
>> then compressed it down even more. A bit of a mess (I'm just learning
>> Houdini myself), but hopefully it will be of some use to you.

>> On Wed, Oct 12, 2011 at 11:48 AM, Alex Czetwertynski
>> <disciple1 at gmail.com> wrote:
>>> Hello
>>> I have a smoke sim I'm happy with, but unfortunately the way my scene is setup makes the source of the smoke visible.  It is emanating from a tube, and even if the tube geometry is not visible, the tube gets filled with smoke as it emanates the billowy smoke I'm looking for.  I would like to see the smoke emanating from "a void" as it were.
>>> Is this possible without getting into compositing solutions?

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