Could you not check the name of parent node to identify the instance of the child? I might be wrong I haven't used the picking functionality for a while. K.
________________________________ From: [email protected] on behalf of Paul Griffiths Sent: Sat 23/05/2009 15:39 To: [email protected] Subject: Re: [osg-users] Referencing loaded models Kim C Bale wrote: > Hi Sebastian, > > Unless you explicitly ask the osg to clone your model's geometry it will > share the geometry by default. It simply stores a pointer to the loaded > model's vertices etc. So the below code should work for you. > > You can also set osgDB to cache the model in memory so that if you ever call > osgDB::load() with the same path and filename it will just return a pointer > to the cached model rather than reloading it. > > osg::Group* rootNode = new osg::Group; > > osg::Node* loadedModel = osgDB::load(....); > > osg::PositudeAttitudeTransfrom* instance_1 = new > osg::PositudeAttitudeTransfrom > instance_1->setPosition( 10.f, 0.0, 0.0); > instance_1->addChild(loadedModel); > > osg::PositudeAttitudeTransfrom* instance_2 = new > osg::PositudeAttitudeTransfrom > instance_2->setPosition( 20.f, 0.0, 0.0); > instance_2->addChild(loadedModel); > > osg::PositudeAttitudeTransfrom* instance_3 = new > osg::PositudeAttitudeTransfrom > instance_3->setPosition( 30.f, 0.0, 0.0); > instance_3->addChild(loadedModel); > > //now attach the instances to the graph > rootNode->addChild(instance_1); > rootNode->addChild(instance_2); > rootNode->addChild(instance_3); > > viewer.setSceneData(rootNode); > > Regards, > > Kim. That works fine unless your pickick with the mouse. Is you select any of the nodes it always selects the first node :( So i had to make a clone for each instance. Guess it depense if your picking... ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=12815#12815 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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