Hi Ümit
Thanks for you suggestion. There are several scene models in our application
and they are large. So we have to release them when we start a new scene.
Thanks again.
Kind Regards,
Su Hu
2008/7/24 Ümit Uzun <[EMAIL PROTECTED]>:
> Hi Su,
>
> I think you shoul use Switch node to change the model. It is so easy and
> useful. Look at the simple example.
>
> 2008/7/24 su hu <[EMAIL PROTECTED]>:
>
>> Hi all.
>>
>> I need to release loaded model and reload other model. I did as follow:
>>
>>
>> osgViewer::Viewer Viewer;
>> osg::ref_ptr<osg::Group> root = new osg::Group;
>> osg::ref_ptr<osg::Group> ModelRoot = new osg::Group;
>> osg::ref_ptr<osg::Node> loadedModel;
>> ...
>> Viewer.setSceneData(root.get());
>> root->addChild(ModelRoot.get());
>> ...
>>
>> //in frame loop
>> .....
>> switch(CMD)
>> {
>> case LOAD_SCENE:
>> {
>>
>> loadedModel = osgDB::readNodeFile(CMD_SceneFileName);
>>
>> if (loadedModel.valid())
>> {
>> ModelRoot->addChild(loadedModel.get());
>> }
>> break;
>> }
>> case RELEASE_SCENE:
>> {
>> if(ModelRoot.valid())
>> {
>> ModelRoot->removeChildren(0,ModelRoot->getNumChildren());
>> }
>>
>> loadedModel.release();
>>
>> break;
>> }
>>
>> }
>>
>> ...
>>
>> The loadedModel is added to ModelRoot and is not added to any other
>> group.
>>
>> Models could be loaded and "released". But I found used memory was not
>> reduced at all after "RELEASE_SCENE" was executed. After loading and
>> releasing several times, used memory is more than 1GB and program is
>> freezed. I want to know the reason and how to improve it.
>>
>> Much appreciation to any reply.
>>
>>
>> Regards,
>>
>> Su Hu
>>
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>> osg-users@lists.openscenegraph.org
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>>
>>
>
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