[vtkusers] implicitmodeller - negative distance inside object

[Dominik Szczerba]

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You will find discussions on this topic in the archives.
Search for a test if point is inside the surface. Generally, there is a
bug in the direct implementation, I work around it by shooting rays and
counting intersections.

- - Dominik

Rashindra Manniesing wrote:
> 
> 
>  
> 
> I am new to VTK so please forgive if the following question has a
> trivial answer.
> 
>  
> 
> I am using ImplicitModeller to get from a PolyData object to a distance
> map, and I was wondering whether it is possible to specify an inside and
> outside of the polydata object, such that the distances inside has
> different sign than the distances outside ?
> 
>  
> 
> Best regards,
> 
> Rashindra Manniesing
> 
> 
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- --
Dominik Szczerba, PhD
Computational Physics Group
IT'IS Foundation for Research
www.itis.ethz.ch
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