Data display for concurrent task processing systems

Details Data display for concurrent task processing systems Data display for concurrent task processing systems

1985-07-26

1988-04-05

Gruber, Felix D.

Boots, shoes, and leggings

340721, 340724, 364900, G06F 300, G09G 100

Patent

active

047363096

ABSTRACT:
A method and apparatus for automatically changing the display in overlapping rectangular viewport areas of a display screen of a digital display apparatus and in which each viewport area is assigned a different priority level. The method includes the steps of (a) storing in a random access store indications of the position and size of each viewport area, together with an indication of the priority level of the viewport area and (b) constructing a first matrix of (2n+1).sup.2 elements, where n is equal to the number of viewport areas, by assigning a vertical component to each vertical coordinate of each viewport area and a horizontal component to each horizontal coordinate of each viewport area, and for each element so formed storing an indication of the highest priority level of the viewports falling within the boundary formed by the coordinates defining the element.

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