[Sidefx-houdini-list] Varying the smoke density
sidefx at trinix.ca
Sun Aug 30 23:32:33 EDT 2009
I haven't totally understood the Sop Scalar Field and how to use it in
that context but the point method works like a charm. I think I'm gonna
use that a lot since it's very flexible.
Louis Dunlevy wrote:
> If you have a bunch of points in SOPs flagged as particles (see the nice
> Add sop) you can use that to emit density. Pscale is varying radius,
> Alpha is a density multiplier and v is mapped to vel in the fluid sim.
> You can use a SOP Geometry Dop to bring the points in and a Source
> Relationship dop to use them as emitters.
> Or use a SOP Scalar Field dop..
> François Duchesneau wrote:
>> Hi all,
>> I want to vary the smoke density emitted in a voxel fluid. First, I
>> don't know how to do that with "Source From Objects" without using the
>> pyro tool. With pyro tool I can vary it as a whole but let's say I want
>> to vary it per emitter. By the way it looks like the pyro tool doesn't
>> allow you to have more than one emitter anyway by default.
>> I tried to read an sdf created in sop in the "Static Object" used as the
>> emitter but it doesn't make sense to vary density on an sdf. Either I
>> have to find a way to pass directly the density field from sop to the
>> solver or to be able to manipulate the density field in Dop.
>> Sidefx-houdini-list mailing list
>> Sidefx-houdini-list at sidefx.com
> Sidefx-houdini-list mailing list
> Sidefx-houdini-list at sidefx.com
More information about the Sidefx-houdini-list