Principles of interactive computer graphics (2nd ed.)
Principles of interactive computer graphics (2nd ed.)
CONVERT: a high level translation definition language for data conversion
Communications of the ACM
Implementation of a structured English query language
Communications of the ACM
Communications of the ACM
A language processor for interactive graphics command languages
ACM SIGGRAPH Computer Graphics
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This paper presents the recently designed interactive computer language for cartography called SUGAR. It is intended for use by non-computer specialists, especially geographers, city planners and landscape architects to make maps by computer. The syntax given is based on English key words with a grammar easily understood by specialists with a non-mathematical background. Different keyword dialects for SUGAR are being designed for different cartographic applications within the basic syntax. A version of SUGAR being implemented is a prototype interpreter for an interactive choropleth mapping program called INPOM. Examples of the graphics capabilities of INPOM are included together with examples of the INPOM dialect of SUGAR. The useability of the language in the batch program environment is discussed as well as directions of further research and implementation.