[vtkusers] VTK&OpenCV

Elvis Chen elvis.chen at gmail.com
Sat Aug 6 17:15:29 EDT 2011

I posted the exact question a few weeks back but did not get any reply.  I
would also appreciate an answer to this.

On 2011-08-06 1:22 PM, "tenshi8x" <neohack87 at yahoo.it> wrote:
> ood evening, I surfed the Internet for a long time without finding a
> solution.
> I have a 3x3 intrinsic parameter matrix obtained through calibration in
> OpenCV; matrix values are all in pixel.
> I need to set a vtkCamera with those intrinsic parameters, but I couldn't
> find the right way to do it, even after trying with SetUserViewTransform
> similar.
> I'm using OpenGL as graphics library in VTK, and if possible I'd like to
> change OpenGL camera coordinate system with another one rotated by 180°
> around y-axis, i.e. camera z-axis must point outward view plane toward the
> object to visualize.
> I tried to follow these instructions:
> http://opencv.willowgarage.com/wiki/Posit
> and even these:
> but none seem to work.
> Every help will be appreciated.
> Have a nice day.
> --
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