TrackballManipulator doesn't support zoom, it only supports moving the
viewpoint forwards & backwards, which has no visible effect in ortho.
You'll need to create an event handler and have it modify the camera
projection matrix.
Paul Martz
Skew Matrix Software
On Mar 26, 2009, at 8:35 AM, Cory Riddell <c...@codeware.com> wrote:
I'm calling osg::Camera::setProjectionMatrixAsOrtho() and I'm
getting an
orthographic projection (this is, if I look directly at the face of a
cube in wireframe, all I see is a square). I can rotate and pan, but
zoom isn't working (I'm dragging the right mouse button).
I want to allow the user to toggle between perspective and
orthographic
projections. Obviously I need to do more than just set the projection
matrix, but I'm not sure where to start looking for clues. I've been
searching on setProjectionMatrixAsOrtho. What should I be looking for?
Thanks,
Cory Riddell
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