[osg-users] How to delete Node from the root

[LUO Jianguo]

Hi,

I use addchild to create root tree.
Yeah, we can use removechild to pruning. But the removed node is still in the memory.
I wonder how i can delete it totally from the memory.
We can get any node using computeIntersections(x,y,intersections).
We got the osg::Node *node, then free(node), the node is null. but we new many kinds of objects when new node, e.g., osg::Image> image, <osg::Texture2D> texture, <osg::ShapeDrawable> doorShape and so on.
how can i delete these pointers. 
Need I create free function for each node?
 
Thank you!

Cheers,
LUO

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