Space Partitioning and Scene Graphs

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OSG::Drawable Anything that isrenderable Not a Node, butattached to a Geode OSG::Drawable is abstract (pure virtual) supercl Drawables may be shared with several Geodes● Same geometry usedseveral ways● <strong>Scene</strong> graph not a tree,but directed acyclic graphTransformGeodeDrawableGeodeCMPT370: spatial data structures 2 Apr 200918
OSGEdit Import models from other programs Arrange <strong>and</strong>organizecomplex scenes Use hierarchicaltransforms osgedit.sf.netCMPT370: spatial data structures 2 Apr 200919
Page 1 and 2: Data Structures for Modelling2 Apri
Page 3 and 4: Why use spatial data structs? Geome
Page 5 and 6: Octrees In 1D: binary tree In 2D: q
Page 7 and 8: Building balanced trees Use the obj
Page 9 and 10: Bounding volume hierarchies Straigh
Page 11 and 12: Controlling detail Consider project
Page 13 and 14: The OSG distribution Core OSG: main
Page 15 and 16: OSG::Group Generic node thatmay con
Page 17: OSG::Geode Contains the actual geom

Space Partitioning and Scene Graphs

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