Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Traffic analysis or control of aircraft
Patent
1997-04-25
2000-04-04
Zanelli, Michael J.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Traffic analysis or control of aircraft
345348, G01S 1391, G01S 722, G08G 506
Patent
active
060472332
ABSTRACT:
A display managing system, method and article of manufacture displays icons, tags and leader lines based on tracking information that includes position information of a plurality of objects; determines if a tag or leader line conflicts with repositioned icons; and relocates the conflicting tag or leader line to prevent a tag or leader line from overlapping and thereby obscuring the icon. Furthermore, the tags and leader lines associated with the repositioned icons are, themselves, repositioned. If these repositioned tags and leader lines conflict with an existing icon, tag or leader line, then the conflicting tag and/or leader line are moved to unoccupied display grid coordinates or a tag location is time-shared between two conflicting tags. Leader line stretching may also be used to prevent tags from jumping around as the icon is moved. An organized data base, which may be in the form of x-y trees, is employed to encode the positions of the display elements to permit efficient searches to locate tags, leader lines and icons and to resolve conflicts therebetween. The invention may also be applied to manage the display of a fleet dispatcher or in a fleet dispatch system.
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Salvatore, Jr. G. Peter
Tsang Shiu Ming
Northrop Grumman Corporation
Zanelli Michael J.
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