Hi Ke Li
You can implement a zooming functionality with the camera function
setProjectionMatrixAsOrtho(...)
We also use a orthographic projection in 3d. And we implement our zoom
with this nice function.
I hope this will help...
Have a nice evening!
Daniel Moos
Am 18.03.2008 um 19:55 schrieb Ke Li:
Dear all,
In the following post, Robert said that orthographic projection
should be avoided.
http://thread.gmane.org/gmane.comp.graphics.openscenegraph.user/7660/focus=7664
But I know that some OpenGL applications do use orthographic
projection with zooming functionality. So I'm a little confused.
Can any one give me some enlightenment?
Thanks!
Ke Li
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