Volume of irregular shape

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Meh 2015-8-6

2
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回答： Steven Lord 2015-8-6

I have for example X,Y,Z coordinates of 8 points which form an irregular shape. How can I calculate the volume with in this shape? Eg. coordinates area:

0  0  384,67
0  26,6  385,25
-47,85  26,6  385,9
-47,85  0  385,3
0  0  387,32
0  26,6  387,32
-47,85  26,6  387,32
-47,85  0  387,32

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Answer 1

Torsten 2015-8-6

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编辑：Torsten 2015-8-6

http://de.mathworks.com/help/matlab/ref/convhull.html

Best wishes

Torsten.

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Meh 2015-8-6

Thanx

Gregory Vernon 2015-8-6

This answer assumes that your volume is convex. If your volume is concave, this method will return a larger volume. If you know the connectivity, and your volume is orientable, you can use the method outlined here:

http://www.ecse.rpi.edu/~wrf/Research/Short_Notes/volume.html

https://en.wikipedia.org/wiki/Polyhedron#Volume (see "Orientable Polyhedra") https://en.wikipedia.org/wiki/Orientability

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