CGAL users discussion list

[myociss <>]

Hi everyone,

I am having trouble with something that may be a CGAL issue or might just be
my beginner understanding of c++. What I want to do is make a class that has
an AABB tree as a class member. Having just the tree does not work because
it is a private class, which I attempted to solve by making the class member
a shared_ptr<Tree> instead. I have it so that the tree is built from point
and triangle primitives in the constructor, and then another class method I
wrote is called later to find ray intersections with the tree. However,
within this method the tree is returning triangles where the first point is
incorrect, having 0 values in the x and y dimensions. I tried moving the
code from this method into the constructor just to test, and it works
correctly there. The weirdest thing is that calling a method on the tree
(tree->do_intersect(segment_query)) in the constructor causes the exact same
code in the other method to return the correct points for triangles. Please
let me know if I can clarify anything, I can post the code if needed. Sorry
if this is a simple c++ mistake, and I hope you will let me know if you have
any recommendations for what I should do to make an AABB tree a class member
rather than what I currently have.



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