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A high-throughput graphics library designed for a portable molecular structure viewer

Y Ueno1, K Asai

  • 1Electrotechnical Laboratory, Tsukuba, Japan.

Pacific Symposium on Biocomputing. Pacific Symposium on Biocomputing
|August 11, 1998
PubMed
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This study introduces a graphics library for molecular viewers, enabling high-throughput rendering without hardware acceleration. The library offers portability and flexibility for 3D graphics applications.

Area of Science:

  • Computer Graphics
  • Computational Chemistry
  • Scientific Visualization

Background:

  • Traditional molecular visualization software often requires specialized hardware for efficient rendering.
  • Achieving high-throughput rendering and portability in molecular graphics presents significant challenges.

Purpose of the Study:

  • To develop a graphics library enabling efficient, hardware-accelerated molecular structure visualization.
  • To enhance portability and rendering performance for molecular viewer programs on standard hardware.

Main Methods:

  • Implementation of a graphics library with novel functions for rendering 3D primitives (e.g., spheres, cylinders) into off-screen memory.
  • Utilizing scan conversion and z-buffered bit-block transfer for efficient graphics processing.

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  • Incorporating dynamic linking for flexible extension modules, including advanced polygon renderers.

    • Main Results:

    • A molecular structure viewer program demonstrated reasonable rendering performance on conventional UNIX workstations using the X-Window system.
    • The graphics library achieved high-throughput rendering without reliance on hardware acceleration.
    • The software system exhibited a flexible extension facility through dynamic linking.

    Conclusions:

    • The developed graphics library provides an effective solution for portable, high-performance molecular graphics.
    • The library's design is applicable to general three-dimensional graphics software systems beyond molecular visualization.
    • Dynamic linking facilitates modularity and extensibility for diverse graphics applications.