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crick

vdb velocity trail

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Dear Houdini Artists

 

Coming from Softimage I quite immersed in to Houdini for a project about creating clouds.

 

So far I setup a POP simulation. Then I use the "vdb from particles" node to create fog vdb's and later pipe it trough cloud noise.

 

Now I am struggling with flickering when using velocity trail as particle footprint.

I also see the problem: The trail particles are following the rotation from the lead particle, thus resulting in a erratic behavior.

 

The thing is it would look awesome if I could get the velocity trails to work.

 

Am I missing something here?

Any hints?

 

Thanks

Crick

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Hey

 

Thanks for pointing this out.

 

Is this possible with vdb?

If I create a vdb form ID attribute it is somehow not a level set grid...

 

Maybe better to use trail sop in the Particle sim directly?

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