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Senior Project - Ctrans


C Version of the NCAR Computer Graphics Metafile Translator

Senior Project: 1987-1988
John Clyne, Tinsley Galyean and Gary Horton
Scientific Computing Division
Boulder, CO

Two separate programs are provided by NCAR for the translation of Computer Graphics Metafiles (CGM) from file format to display on various devices. One, written in FORTRAN, makes use of a "graphcap" facility, allowing the translator to display the graphics on any device for which there are entries describing the capabilities of the device in the graphcap database. The other, written in C, instead requires that device drivers be written for each device on which the graphics is to be displayed. This project, written in C, allowed for the use of both the graphcap database and the device driver interface, while improving performance by approximately a factor of two.

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Department of Computer Science
College of Engineering and Applied Science
University of Colorado Boulder
Boulder, CO 80309-0430 USA
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May 5, 2012 (14:07)