CGTalk - computePolysetVolume math insight?

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berniebernie

11-29-2009, 01:39 AM

Here's a quote from the mel doc on computePolysetVolume:

The method uses the divergence theorem: \int_{vol} Div(f) dV = int_{surf} Dot(f,n) dS

Would anyone shed some light on this ? Maybe the formatting is confusing me.. and I can't seem to google it properly...

cbamber85

11-29-2009, 03:06 PM

http://mathworld.wolfram.com/DivergenceTheorem.html

http://www.gamedev.net/community/forums/topic.asp?key=featart&uid=2247&forum_id=35&Topic_Title=Area+and+Volume+Calculations

It's basically how volume integrals relate to surface integrals, there's a few things on Game-Dev about it - search there.

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