[vtkusers] Why is vtkDelaunay2D so slow in VC++ 2005

[Godofredo]

Hi again, it's slow in both Release and Debug build. Just to have an idea, in
Debug mode I use other filters and they all do operations with a reasonable
speed. It is only vtkDelaunay2D which seems to last ages to finish.


David Cole wrote:
> 
> Are you using the Debug build or the Release build of your program?
> 
> Debug builds will be significantly slower when there are many allocations
> involved in an algorithm... If you are using Debug builds to judge
> performance, don't -- you can only judge performance reliably in a Release
> build when building software with the Microsoft compilers.
> 
> HTH,
> David
> 
> On 1/2/08, Godofredo <godofredoiii at gmail.com> wrote:
>>
>>
>> Hi to all, I've been doing some triangulations with big datasets and
>> found
>> out that vtkDelaunay2D is extremely slow in VC++ 2005. I've done the
>> triangulation by hand (as my data came from a range scanner I just join
>> the
>> verts in order) and It takes only seconds to triangulate what with
>> vtkDelaunay2D takes almost 2 minutes. I've found in the forums a post
>> that
>> talked about the same problem but had no replys. Anyone could put some
>> light
>> into this? Many thanks.
>> --
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>>
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