[vtkusers] vtkThinPlateSpline optimisation

[Chenes Christophe (HES)]

I'm using the release to test the computation time... The debug mode is slower !

-----Message d'origine-----
De : Bill Lorensen [mailto:bill.lorensen at gmail.com] 
Envoyé : jeudi, 29. mars 2012 22:40
À : Chenes Christophe (HES)
Cc : vtkusers at vtk.org
Objet : Re: [vtkusers] vtkThinPlateSpline optimisation

Have you built your vtk and application with Release or Debug?

On Thu, Mar 29, 2012 at 2:18 AM, Chenes Christophe (HES)
<christophe.chenes at hesge.ch> wrote:
> Hi,
>
>
>
> I'm working on a text projector which is able to project an arbitrary text
> on a surface mesh (polydata).
>
> To do so, I create two sets of points one on the original text landmarks and
> one on the surface corresponding landmarks.
>
> I then transform the text with vtkThinPlateTransform using these two
> datasets.
>
> It works very well but it's not as optimal as it could be.
>
>
>
> One word of seven letters, for example, is composed of about 760  3D points.
>
> When I apply the transformation on it, it takes about 35 seconds to complete
> the computation.
>
>
>
> I googled about an optimized TPS for vtk and didn't find any relevant
> response, despite the mail from the list inquiring about the same topic but
> dating back to 2004 and which didn't receive any relevant answer...
>
>
>
> Therefore, does anyone use a faster, functional TPS version I could try in
> order to reduce this computation time ?
>
>
>
> Thanks in advance,
>
>
>
> Best regards,
>
>
>
>
>
>
>
>
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