[vtkusers] problems in the volume calculation with vtkMassProperties

[Bill Lorensen]

1) What is the resolution of your sphere?
2) You cannot compute the volume of an open object.



On Wed, Dec 3, 2014 at 9:26 AM, -Daniel- <ich_daniel at habmalnefrage.de> wrote:
> Hi,
> I try to calculate volumes with vtkMassProperties.
> Here, I noticed the following. Look on the screenshot the sphere (radius of
> 10) has a volume of 4.178 and the colored Polydata has a volume of 12.454 .
>
> <http://vtk.1045678.n5.nabble.com/file/n5729649/volumina1.jpg>
> <http://vtk.1045678.n5.nabble.com/file/n5729649/volumina2.jpg>
>
> Actually, the sphere should have a much larger volume (visual seen).
> Is it because that the colored object is not closed?
> How can I calculate the correct volume-result of the colored object ?
>
>
>
>
>
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