Hi Yuen, magnification is easier to use if you change the field of view. this also has the advantage that your camera doesn't have to change position, just like in the real world you don't move a telescope closer to an object.
Peter http://osghelp.com On Fri, Aug 1, 2008 at 6:05 PM, Helbig, Yuen <[EMAIL PROTECTED]> wrote: > Hello, > > I'm trying to do magnification operations with a perspective camera lens > by adjusting the camera's distance from the object. Ex. Given a > magnification factor of 3x I would multiply my current camera distance > by 1/3. However, the results are not what I expect, objects become much > larger than 3 times there old screen size. Can anyone point me towards > a resource for better understanding the use of Perspective Cameras? > > Yuen > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > -- Regards, Peter Wraae Marino www.osghelp.com - OpenSceneGraph support site
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