“Migrating to an Object-Oriented Graphics API” by Ghali, Blythe, Kettner and Sowizral

  • ©Sherif Ghali, David Blythe, Lutz Kettner, and Henry Sowizral

Conference:


Entry Number: 15

Title:

    Migrating to an Object-Oriented Graphics API

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Abstract:


    Prerequisites
    Familiarity with the fundamentals of rendering, an object-oriented programming language such as C++ or Java, and the basics of genericity and template instantiation. The course was designed for computer graphics practitioners who are familiar with an object-oriented programming language but use an older, imperative language-based API. 

    Topics
    Introduction to scene graph concepts, scene graphs and shapes, ways of embedding classical geometry classes in a modern API, separating topology from geometry in an API, immediate vs. retained-mode rendering, methods of specifying viewers in a scene graph, associating a file format with an API, user interaction, visibility culling, multiprocessing, the future of scene graph APIs.

    Description
    This course identified the classes and methods that must be captured by a programmer to implement a graphics system in an object-oriented language. Rather than focus on one specific language defined by a particular library, this course provided a taste of the different languages that result from the compromises in library design. Speakers presented concrete examples from several graphics and geometry APIs, such as OpenGL++, Open Inventor, Fahrenheit/XSG, Java3D, LEDA, and CGAL.

     

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