You can do this easily with a sop solver in dops.
- Turn create Age Particles, so we can get an attrib age. For 25 frames for
example, the age will be 1.
- Add a sop solver that goes in the marge with the source
- Inside the sop sovler: dop geometry -> attr wrangle and add the following
code:
if(@age>1){
@v = (0,0,0);
}
Hope this helps.
Best,
Cristobal
On Thu, 1 Jun 2017 at 20:02, Thomas Volkmann <li...@thomasvolkmann.com>
wrote:
> For some strange reason I can't post to the houdini mailing list, so it's
> you guys once more....
>
> A simplified use case of what I want to do:
> Take the Drip Particle Fluid shelf tool, and set the velocity to zero on
> all particles that get emittet after frame 25 so that they stay at the same
> place no matter what.
>
> I would like to set a birthframe attribute and set v to 0 if it is greater
> than 25....sounds so simple.
>
> Of course I did some googling and looked at promising example scenes, but
> somehow I just don't get it to work.
> I spare you and me the details of what and how I tried, but what I noticed
> and what added to the confusion amongst other things is that
> Flip emitters don't have a "Just born Group" and that Visualization Nodes
> are not available in certain places.
>
> Any hints are welcome!
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