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Fast, templated, C++ Octree implementation

Can anyone suggest some well-tuned implementations out there for the octree on the CPU or the GPU in C or C++?

Also since Octrees can be represented with and without pointers, can someone please tell me the possible pros or cons for either technique.

Thank you,

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smilingbuddha
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  • http://stackoverflow.com/questions/5963954/fast-templated-c-octree-implementation – Flexo Aug 05 '11 at 13:28
  • That depends on your application. What do you want to use it for? – phkahler Aug 05 '11 at 14:35
  • I want it for doing smooth particle hydrodynamics....which is one of many methods to model fluid flow using particles...Since the neighbourhood search for a particular particle is quite compute intensive, i needed this data structure – smilingbuddha Aug 05 '11 at 14:53
  • too bad this thread has been closed, I wished someone would have commented on the 'pointerless octree' part of your question (not addressed in the so-called duplicate). – malat Mar 22 '12 at 13:13

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