Is there an easy to way to do this job? And, the code link on http://www.openscenegraph.org/documentation/NPSTutorials/osgUpdate.htm is broken now.
"Adrian Egli OpenSceneGraph (3D)" <[EMAIL PROTECTED]> 写道： Sorry for the empty email i sent :-( so the problem is that osg runs normally as a mulit threaded application. when you modify the scenegraph or it's behaviour you should do this in a secure way. there is a update callback in osg core. there you should add a update callback and in it's code you can add your code to get exectued. means the scene graph update has to be protected. in an other thread you can precalculate the next outlook of you data, the datas to update. http://www.openscenegraph.org/documentation/NPSTutorials/osgUpdate.htm /adegli 2008/1/28, Ronald Pan <[EMAIL PROTECTED]>: I met the same problem of Stephan Maximilian Huber. My scenegraph is very dynamic, lots of geometries get added, recomputed or removed. How to modify the scenegraph to avoid crash after the viewer runs? I have set DataVariance to DYNAMIC. My code Crashes too. I am using VC and WinForm. void OSGForm::AddSceneData(osg::ref_ptr<osg::Group> mModel) { // Add the model to the scene mRoot->addChild(mModel.get()); // Set the Scene Data mViewer->setSceneData(mRoot.get()); // Realize the Viewer mViewer->realize(); } void OSGForm::Render(void* ptr) { OSGForm* osg = (OSGForm*)ptr; osgViewer::Viewer* viewer = osg->getViewer(); while(!viewer->done()) { viewer->fr ame(); } _endthread(); } --------------------------------- 雅虎邮箱传递新年祝福，个性贺卡送亲朋！ _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- ******************************************** Adrian Egli _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org --------------------------------- 雅虎邮箱传递新年祝福，个性贺卡送亲朋！
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