Inspecting volumes attributes in the stage context

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Hello
I'm wondering if it's possible to inspect volume attributes in the stage context?
I created a volume in the obj context.
I imported it inside the stage using a scene import node.
I want to check the min and max range of the density attribute.
I tried to select a node then go to geometry spreadsheet > primitive mode, but it's all empty.
Thanks and see you soon,
GS
Houdini gamboler
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Hey Grendizer you have to use the "Scene graph details" window. Look for "primvar" values.
However, what's the best way to use several primvar values in a MTLX material library network node? For example I want to get the min and max density, min and max flame, min and max temperature, etc...
Houdini gamboler
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I would calculate the min/max in SOPs
Edited by AslakKS - 2023年7月7日 02:02:31

Attachments:
solaris_vdb_min_max_v001.hiplc (521.9 KB)
hindie_7iebiFnI5V.png (975.2 KB)

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Thanks a lot for this great solution!
I didn't know about spare inputs [www.particle-effects.com]!
Houdini gamboler
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