Map display apparatus
First Claim
1. A map display apparatus comprising:
- a map data memory which stores map data necessary for plotting a map of a predetermined region;
a map display which reads map data out of the map data memory and plots a bird'"'"'s-eye view display by projecting the map data read out from the map data memory onto a projection plane which makes a projection angle with a plane of the map data read out from the map data memory, the projection angle being greater than 0° and
less than 90°
, the bird'"'"'s-eye view display including identifying marks which identify items in the bird'"'"'s-eye view display; and
an identifying mark overlap preventer which prevents identifying marks from overlapping one another in the bird'"'"'s-eye view display.
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Accused Products
Abstract
A map display apparatus includes a map data memory which stores map data necessary for plotting a map of a predetermined region; a map display which reads map data out of the map data memory and plots a bird'"'"'s-eye view display by projecting the map data read out from the map data memory onto a projection plane which makes a projection angle with a plane of the map data read out from the map data memory, the projection angle being greater than 0° and less than 90°, the bird'"'"'s-eye view display including identifying marks which identify items in the bird'"'"'s-eye view display; and an identifying mark overlap preventer which prevents identifying marks from overlapping one another in the bird'"'"'s-eye view display.
32 Citations
1 Claim
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1. A map display apparatus comprising:
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a map data memory which stores map data necessary for plotting a map of a predetermined region;
a map display which reads map data out of the map data memory and plots a bird'"'"'s-eye view display by projecting the map data read out from the map data memory onto a projection plane which makes a projection angle with a plane of the map data read out from the map data memory, the projection angle being greater than 0° and
less than 90°
, the bird'"'"'s-eye view display including identifying marks which identify items in the bird'"'"'s-eye view display; and
an identifying mark overlap preventer which prevents identifying marks from overlapping one another in the bird'"'"'s-eye view display.
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Specification