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A high-level graphics language based on the Graphical Kernel System

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Title: A high-level graphics language based on the Graphical Kernel System
Author: Sun, Hanqiu
Degree Master of Applied Science - MASc
Program Electrical and Computer Engineering
Copyright Date: 1986
Abstract: Being an application area of programming languages, graphics languages should keep pace with the development of today's programming languages. Data types, structural operations and free layout of statements provide a more effective means of picture generation, i.e., modelling, rendering and viewing. The Graphical Kernel System (GKS), an international standard graphics language since 1984, is specified on a subroutine basis, therefore suffering from the lack of such high-level language features. This thesis investigates and implements the FORTRAN language binding of GKS into a high-level programming language (HL/GKS) by a generated precompiler. The weaknesses and restrictions of GKS and its FORTRAN binding are discussed. The advanced features and functions of HL/GKS are addressed. The graphical syntax and semantics rules of the extended portion of HL/GKS are introduced. It is expected that HL/GKS will have more attractive features and effective productivity for GKS applications compared to the procedure-level GKS system. The input statements of HL/GKS have the capability of picture communication by interactive devices and hence enable the implementation of sophisticated graphical application programs.
URI: http://hdl.handle.net/2429/26330
Series/Report no. UBC Retrospective Theses Digitization Project [http://www.library.ubc.ca/archives/retro_theses/]
Scholarly Level: Graduate

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