[vtkusers] Registrate 3D point and 2D point

[David Doria]

On Fri, Sep 30, 2011 at 12:07 PM, Wenlong Wang <scc.wwl at gmail.com> wrote:
> Dear all,
>
> I'm stuck by a problem.
>
> I've got a 3D surface (polydata, mesh). I want to project it to 2D plane and
> save it as a .jpg image, which have already done. But when I start to find
> the corresponding pixel coordinates of certain 3D point, I found no
> available function can do that.
>
> Would you help me with this please?
>
> Many thanks in advance!
>
> Long

How are you computing the projections? Isn't the part you've done
exactly what you are asking to do?

David