A response to the 1977 GSPC Core Graphics System
SIGGRAPH '79 Proceedings of the 6th annual conference on Computer graphics and interactive techniques
A Pascal implementation of the GSPC Core Graphics package
ACM SIGGRAPH Computer Graphics
IBM Systems Journal
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The number of facilities across the country "implementing" some "flavor" of the SIGGRAPH/GSPC Core System "strawman standard" ["Status Report of the Graphic Standards Planning Committee of ACM/SIGGRAPH", Computer Graphics, Vol. II, Number 3, Fall 1977] has reached approximately fifteen. To keep the graphics community informed about the reception and usage of the Core System, we have collected descriptions of the status of each facility, as reproduced here. An Implementor's Forum will occur in November '78, which we hope will provide both significant interfacility communication and some concensus among implementors on such topics as FORTRAN '77 compatible calling sequences for Core System routines, the structure of intermediate (neutral, pseudo-, etc.) display files, and techniques and algorithms for viewing, clipping, picking, and echoing.