I'm porting my application from 1.2 to 2.x too and meet the same problem.

 

To render an empty scene, I do a viewer->setSceneData(new osg::Node); 

 

In osgViewer the function frame() do all the work for you and, anyone can 
correct me if I'm wrong, you do not need to call any update() anymore but only 
the frame() function.

 

I didn't find any porting guide. Anyway, I didn't have to do a lot of 
modification for my app running even if I think they are more elegant way to do 
what I want appearing in version 2.

 

Best Regards

 

________________________________

De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de #POH CHENG GUAN#
Envoyé : mercredi 5 septembre 2007 05:04
À : [email protected]
Objet : [osg-users] OpenSceneGraph 2.19 osgViewer

 

Hi,

 

Is it possible to just render an empty background without loading a model? If I 
set my viewer->setSceneData(0), osgViewer crashes when it comes to 
viewer->realize().

 

Does anyone have a porting guide from version 1.2 to 2.19? The online version 
is quite brief, in version 1.2, I will call viewer->update(), what is the 
function that replaces this call for version 2.19?

 

Regards,

CG

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