[vtk-developers] Adding ComputeArea() to vtkTriangle

[Bill Lorensen]

Mathieu,

vtkTriangle is a cell. It is not filter. It currently has a
TriangleArea() method, but it is cumbersome to use. David is proposing
a convenience method to do the computation. It calls the
TriangleArea() method but save the user from setting up the parameters
for that call.

Bill

On Fri, Dec 18, 2009 at 10:54 AM, David Doria <daviddoria+vtk at gmail.com> wrote:
> On Fri, Dec 18, 2009 at 10:51 AM, Mathieu Malaterre
> <mathieu.malaterre at gmail.com> wrote:
>>
>> Hi David,
>>
>>  I do not have a strong opinion on this particular case.
>>  However here is a couple of thoughts, I have from my modest
>> understanding of VTK.
>>  1. I would really separate source/sink from filter. You are writing a
>> partial filter (aka algorithm) in a data object.
>>  2. You are duplicating (possibly) code from vtkMeshQuality.
>>
>> 2cts
>> -Mathieu
>
> 1) I'm not sure I follow. Isn't vtkTriangle an "object", not a "source" or
> "filter"?
> 2) That is likely the case and that is exactly my point here -
> vtkMeshQuality (or anything else) should not have to implement this code, it
> should just be able to call ComputeArea() on a triangle object.
> Thanks,
>
> David
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