Viz - Render

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A traversal of a scene will send graphical operation to an rendering engine.


traversal :

  • in 2D, the Painter's algorithm: start at the root and then recursively draw the child nodes. The tree's leaves represent the most foreground objects. Drawing proceeds then from back to front (closer objects overwrite farther ones).
  • In 3D, depth buffers, draw the closest objects first, farther may not be rendered as they are occluded by nearer objects.

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Utah Teapot
Rendering Engine

renders a scene DirectX OpenGL Web GL (3D, 2D graphics rendering within any compatible web browser) PDF, PS (?)
Utah Teapot
Viz - Scene Graph - Graphical World (Tree Data Structure)

A scene graph is a collection of nodes in a tree structure. It's equivalent to a document in xml The node of the tree are: a graphical object for the leaf a compound object such as: or a group...

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