Computer Graphics Software Techniques


The first step in programming display equipment, in order to produce a picture on the screen, is to generate a stream of binary words. These form a series of commands to the display; each command causing the display to carry out one of its functions, such as: to position the beam; to move it linearly painting a line; or to produce a character. Depending on the make of hardware and the word length, these various types of operation are distinguished by, say, the 4 most significant bits (or by control words which change the subsequent mode of operation) the remainder of the word being the binary values of X and Y, changes in X and Y (each usually to 10 bits), or the codes of 2 or 3 characters.


Ring Structure Control Word Topological Description Oriented Problem Graphic Language 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Plenum Publishing Company Ltd. 1969

Authors and Affiliations

  • S. Bird
    • 1
  1. 1.The Marconi CompanyUSA

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