[osg-users] Export osgAnimation callbacks into osg files

Cedric Pinson cedric.pinson at plopbyte.net
Tue Nov 24 02:10:35 PST 2009

Hi Peter,

In order to be able to write your callback in .osg file you have to
declare method to write it. see in
If you dont declare those method, osg will not be able to read/write
your class because it does not know them.


+33 659 598 614  Cedric Pinson mailto:cedric.pinson at plopbyte.net

On Wed, 2009-10-14 at 17:57 +0000, Peter Wrobrl wrote:
> Hi, and thanks for your fast answer.
> To reconstruct my problem I take the osgAnimationNode Example and tweak its "main", so that it writes an osg file instead of creating the viewer ( Attachment ).
> When I open the osg file with an text editor, the UpdeteCallbacks are empty, and the file crashes the osganimationviewer with the error message: no osgAnimation::AnimationManagerBase found in the subgraph, no animations available 
> Files that I export from Blender do have osgAnimation::BasicAnimationManager and keyframe data in the UpdateCallback Block.
> I think the problem is, that in my case AnimtkUpdateCallback should be derived from osgAnimation::BasicAnimationManager insted of osg::NodeCallback, but I don't get it to work.
> Could you tweak this file so that it works ? That would be a great help, thx.
> Cheers, searching for Pivot of my Soul, PP !!! ( <- ParticlePeter )
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=18273#18273
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