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Volumes 101 - Point Advection (Patreon)

Published:
2017-11-24 10:25:16
Imported:
2026-06
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Content

As a quick interlude before we're gonna dive into the ins and outs of wrangling volumes in VEX and OpenCL, here's some relaxation for our eyes: Building abstract line art using point advection.

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Volumes 101 pt. 13: Point Advection

Comments

James Taylor

Mo, to say your tutorials are blowing my mind would be an understatement. Question: What did your render setup look like for this? Thanks!

Charles Vidaud

Hi there, out of curiosity: why do you keep volume sampling your first input in the Volume VOP while a simple Bind with proper naming imports your data right away and save the calculations from the Volume Sample ?

entagma
>>11238709

Simply bad (or good?) habit I guess. I'm used to working in VEX and I am mostly confronted with reading volume values from different inputs, so that's what I tend to use. Haven't checked performance wise, might make a slight difference - please let me know when you have any info on that :) Cheers, Mo

Sal Paradise

Is this the same method you'd use to make carbonation in a fluid? If not, what's your thoughts on the ideal way?

Beka Baratashvili

Hi, Please tell me what's difference between 1,2, inputs of VOP. I make on the contrary (Accordingly, contrary in VOP) and get other things . I lost a lot of time to find issue. I am confused and don't understand why vdb analysis necessary needs port 1 and vdb from polygond port 2. vise versa does not work. Thank you!

vibritec

Interesting that @name=="vel" works correctly in the Velocity VDB parameter but @name=='vel' with single quotes does not.