Hi,

It sounds like what you want to use is:
setViewMatrixAsLookAt(eye, center, up)

where eye is a Vec3 for where the camera is located, center is the point the 
camera is looking at, and up is the camera's up unit vector.

viewer.getCamera()->setViewMatrixAsLookAt(osg::Vec3(x_camera, y_camera, 
z_camera), osg::Vec3(0., 0., 0.), osg::Vec3(0., 0., 1.));

for example.

Cheers,
Tom

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http://forum.openscenegraph.org/viewtopic.php?p=30011#30011





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