[vtkusers] How to extract area of (triangle) Cells?

[Bryn Lloyd]

David,

Not sure, but it works in paraview doesn't it?

1. Maybe inverted triangles (there was an issue in the past with 
inverted tets).

2. Maybe you don't have triangles, but strips?

/Bryn




David Doria wrote:
> On Thu, Dec 17, 2009 at 2:32 AM, Bryn Lloyd <blloyd at vision.ee.ethz.ch> wrote:
>> Another way to compute the area is via vtkMeshQuality.
>>
>> First pass the mesh through this filter, compute the area for all triangles
>> (SetTriangleQualityMeasureToArea()), and the obtain the values from the
>> vtkCellData in the output.
>>
>> Cheers
>> Bryn
> 
> Bryn,
> 
> I tried that:
> http://www.vtk.org/Wiki/VTK/Examples/Mesh_Quality
> 
> But the values in the "Quality" array are all 0. Any thoughts?
> 
> Thanks,
> 
> David
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-- 
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Bryn Lloyd
Computer Vision Laboratory
ETH Zürich, Sternwartstrasse 7, ETF C110
CH - 8092 Zürich, Switzerland
Tel: +41 44 63 26668
Fax: +41 44 63 21199
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