Method and apparatus for point plotting of graphical data from a

Details Method and apparatus for point plotting of graphical data from a Method and apparatus for point plotting of graphical data from a

1974-06-10

1976-08-03

Smith, Jerry

Communications: electrical

Digital comparator systems

340324AD, G06F 314

Patent

active

039732452

ABSTRACT:
A method and apparatus for the point plotting and rearrangement of graphical data from a coded source into a buffer for raster type display. The execution of a graphic order in a stored program controllable graphics terminal are represented by a line generating a sequence of X Y coordinate values, which values are to be plotted or displayed. The points are plotted into a work organized memory array in the form of topologically adjacent rectangular subarrays. These subarrays are then transformed into linear arrays. In order to conserve memory they directly replace the previous topologically adjacent subarrays in the memory. The linear arrays may then be accessed a word at a time and applied to the raster display.

REFERENCES:
patent: 3631455 (1971-12-01), Gregg
patent: 3668661 (1972-06-01), Cull et al.
patent: 3675232 (1972-07-01), Strout
sherr, "Applications . . . to Command and Control", Proceedings of the Society for Information Display, vol. 11, No. 2, 1970, pp. 61-70.

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