[osg-users] zoom to object with camera

[OpenSceneGraph Users]

One option is to try to adapt the code in the first example of the 5th 
chapter of "OpenSceneGraph 3 Cookbook", by Rui Wang & Xuelei Qian. I'm 
trying, but still no success.

On Thursday, June 14, 2012 at 3:51:15 AM UTC-3, Jason Anderssen wrote:
>
> Anyone got a suggestion for this, or am I in the wrong forum for this 
> question ? (i.e. does OSG have a way to do the zoom to object animation as 
> outlined below ? ) 
>
> Cheers 
> Jason 
>
> On 13/06/2012, at 8:41 AM, Jason Anderssen wrote: 
>
> > Torben, 
> > 
> > Thanks for reply, and it works perfectly.  However is there a way to 
> make it animate to the zoom points. 
> > 
> > I have a Nodetracker-Manipulator set as my default manipulator, and I 
> change the node path as the user selects objects from the scene, it would 
> be nice if I could animate the zoom to the object? 
> > I know I could do it all manually, but I am assuming that OSG would 
> probably provide some easy mechanism maybe ? 
> > 
> > Thanks in advance. 
> > 
> > Cheers 
> > Jason 
> > On 06/06/2012, at 3:50 PM, Torben Dannhauer wrote: 
> > 
> >> Hi, 
> >> 
> >> yes this function is called node tracking. You can track a node and 
> configure which degrees of freedom your camera should provide. 
> >> 
> >> There is a default Nodetracker-Manipulator in OSG. You just have to set 
> the Node you want to track. 
> >> 
> >> 
> >> 
> >> Cheers, 
> >> Torben 
> >> 
> >> ------------------ 
> >> Read this topic online here: 
> >> http://forum.openscenegraph.org/viewtopic.php?p=48067#48067 
> >> 
> >> 
> >> 
> >> 
> >> 
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> >> 
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