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Lee Bartlett
Miami University

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VRaniML™ 3D Graphics Library
Read, write and render VRML files

VRaniML™ is a VRML 2.0 C++ class library for building 3D graphics applications. Most of the VRML 2.0 specification is supported including DEF/USE, PROTOs, ROUTEs and the VRML execution model.

Download the sample VRML browser and SDK for free.

You may purchase the source code here:

Advanced Features

  • Progressive Mesh support allowing for progressive transmission of geometric nodes over the internet (with a suitable file server) and continuous level of detail creation and geomorphing

  • Boolean operations on geometric objects including union, intersection, difference, splitting plane

  • Persistent cache (including multiple directory searching) so files that are already present locally need not be fetched over the internet

  • Frame rate specification to allow for continuous (non-jerky) animation on a broad range of platforms

  • Renderer independence, supporting both OpenGL and D3D

  • Traverser technology (that is, the separation of traversals from the scene graph) allows for rapid extensions of library

  • Rapid geometric queries as a result of solid modeling underpinnings (i.e. What vertices border this face, What edges touch this vertex)

Basic Features

  • a rich set of underlying geometric and 3D graphics classes collection classes (arrays, lists, queues, stacks, maps, ...)

  • geometric classes (vector2, vector3, matrix, plane, ray, ...)

  • utility classes (file, image, sound, ...)

  • time classes

  • runtime typing support

  • all geometric objects are based on the Progressive Mesh data structure allowing for progressive transmission of VRML 2.0 files over the internet as well as continuous LOD Creation (support coming...)

  • code that looks like MFC (but isn't) making for easy learning curve for MFC programmers

  • every class has copy constructors, equals operators (operator=) and a Clone function making copying of an entire scene graph a one line operation

  • scene graphs are serializable allowing for very compact binary storage

  • supports VRML 2.0 execution model including TimeSensor, Interpolators and all other Sensors

  • multimedia support for VRML 2.0 audio and sound nodes, movie textures, etc...

  • for all classes, each data member is protected and every interesting member function is virtual, making extension of the class library a snap.

Users include:

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