Display method and apparatus for navigation system
First Claim
1. A display method for a navigation system, comprising the following steps of:
- specifying POI icons on a map image within a region of a predefined region mark;
forming a position rim which is a circle with a center of the region mark;
displacing the POI icons within the region mark in radial directions to the position rim;
displaying position marks at positions where the POI icons are located before the displacement within the region mark; and
displaying lead lines each connecting the POI icon displaced to the position rim and the corresponding position mark.
1 Assignment
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Accused Products
Abstract
A display method and apparatus for navigation system enables a user to easily see crowded POI icons and their positions in a small area on the map image by shifting the positions of POI icons in radial directions. The display method includes the steps of specifying POI icons on a map image within a region of a predefined region mark, forming a position rim which is a circle with a center of the region mark, displacing the POI icons within the region mark in radial directions to the position rim, displaying position marks at positions where the POI icons are located before the displacement within the region mark, and displaying lead lines each connecting the POI icon displaced to the position rim and the corresponding position mark.
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Citations
26 Claims
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1. A display method for a navigation system, comprising the following steps of:
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specifying POI icons on a map image within a region of a predefined region mark;
forming a position rim which is a circle with a center of the region mark;
displacing the POI icons within the region mark in radial directions to the position rim;
displaying position marks at positions where the POI icons are located before the displacement within the region mark; and
displaying lead lines each connecting the POI icon displaced to the position rim and the corresponding position mark. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A display method as defined in claim 7, wherein said attribute include colors, line types and shapes, and a consistent rule for assigning the attributes is used throughout an operation of displacing the POI icons based on positions of the POI icons.
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8. A display method for a navigation system, comprising the following steps of:
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specifying POI icons on a map image within a region of a predefined region mark;
forming a position rim which is a circle with a center of the region mark;
displacing the POI icons within the region mark to radial directions in proportion to original distances of the POI icons from the center of the region mark;
displaying position marks at positions where the POI icons have been located before the displacement within the region mark; and
displaying lead lines each connecting the POI icon displaced in the radial direction and the corresponding position mark. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A display apparatus for a navigation system, comprising:
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means for specifying POI icons on a map image within a region of a predefined region mark;
means for forming a position rim which is a circle with a center of the region mark;
means for displacing the POI icons within the region mark in radial directions to the position rim;
means for displaying position marks at positions where the POI icons are located before the displacement within the region mark; and
means for displaying lead lines each connecting the POI icon displaced to the position rim and the corresponding position mark. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A display apparatus for a navigation system, comprising:
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means for specifying POI icons on a map image within a region of a predefined region mark;
means for forming a position rim which is a circle with a center of the region mark;
means for displacing the POI icons within the region mark to radial directions in proportion to original distances of the POI icons from the center of the region mark;
means for displaying position marks at positions where the POI icons have been located before the displacement within the region mark; and
means for displaying lead lines each connecting the POI icon displaced in the radial direction and the corresponding position mark. - View Dependent Claims (22, 23, 24, 25, 26)
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Specification