Hi,

My question is probably basic, but I didn't find the solution. So I come to you 
for an explanation, please...

I use a osg::Vec3Array* object. 
Concretely, in my application, I call :
osg::Vec3Array* vertex = dynamic_cast<osg::Vec3Array*>(geom->getVertexArray());
to get the array of vertices (I want to draw triangles implied by an 
intresection with a ray).

If I want to get the 3 coordinates (float) of the vertex number X, how do I 
manipulate the Vec3Array ?
I did'nt find the method that permits to read a Vec3Array. In all basic 
examples, we write it via the PushBack function.

Thank you in advance for your help.

Cheers,
Mathieu

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