[vtkusers] Using vtkExternalOpenGLCamera

elainejiang8 elainejiang8 at gmail.com
Wed Jul 19 09:59:00 EDT 2017


Hi everyone!

I'm building a program that uses the externalVTKWidget to volume render an
object in an OpenGL context. Right now, I'm calling 

*ren->GetActiveCamera();
*

(where ren is a vtkExternalOpenGLRenderWindow instance) in my render
function so I can control the position and focal point of the camera.
However, I'm unable to get the camera to actually have any effect on the
scene. The documentation for vtkExternalOpenGLCamera is rather slim, and I
can't find any similar examples, so I am a bit stuck on this issue. 

Does anyone have any insight into how I could approach this problem? Thanks
in advance!

Elaine



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