Hi, Oliveira,
    You can check the intersections of your intersector(e.g. 
LineSegmentIntersector::Intersection), and you will find they contain an 
"osg::NodePath", which means the whole path of the node(e.g. matrix transform 
nodes upon the drawable instance).



--





Cheers, 
---
TianZJ

At 2017-01-03 16:58:16, "Bruno Oliveira" <bruno.manata.olive...@gmail.com> 
wrote:

Hello,


I'm implementing a draw instanced optimized scene. This is for drawing a set of 
polygons.


Previously I was creating a drawable for each polygon, but now I am using draw 
instancing. With one drawable per polygon I can easily use osg intersectors for 
computing scene intersections. But how can I perform scene intersections with 
draw instanced objects and get, for instance, intersected instance IDs?

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