Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1995-09-01
1998-07-07
Louis-Jacques, Jacques H.
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701208, 340995, 340910, G06G 778
Patent
active
057783330
ABSTRACT:
An intersection determination process determines the state of intersection of adjacent segments in a display such as one for a vehicle navigation system, and if it is determined that there is an is an intersection between the segments, an orientation-intersection point transformation value table is referred to for computation of the intersection transformation value. This table shows the relationship of the combination of the orientations of the previous segment and the present segment with an intersection point transformation value. This intersection point transformation value is added to the coordinates of the end point of the previous segment to obtain the intersection. The intersection point derived in this way is generated as data for traffic display. Because the above table is used in computing the intersection point, the intersection point is computed using a simple transformation process and a traffic display of good visibility is implemented without burdening the CPU and increasing the amount of data processed.
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Koizumi Satoru
Mikame Masami
Louis-Jacques Jacques H.
Nippondenso Co. Ltd.
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