System and method for synchronizing raster and vector map images
DCFirst Claim
1. A method of synchronizing map images, comprising:
- selecting a boundary of a geographic region, which is present on both a first map and a second map, in the first map;
converting first map coordinates designating the boundary of the geographic region selected on the first map into geographic coordinates using a georeferencing function of the first map;
converting the geographic coordinates to corresponding second map coordinates designating the boundary of the geographic region on the second map using a georeferencing function of the second map; and
automatically adjusting a boundary of the second map to correspond to the selected boundary in the first map when the boundary is selected in the first map.
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Abstract
A system and method for coordinated manipulation of multiple displayed maps, even when the maps use different internal coordinate systems. According to this embodiment, each map image to be displayed is first georeferenced, to provide a set of conversion functions between each map'"'"'s internal coordinate system and a geographic coordinate system, which is latitude/longitude in the preferred embodiment. After this is done, any point on each map can be referenced using the geographic coordinate set. Since this is the case, the maps can now be manipulated, edited, and annotated in a synchronized manner, by defining the manipulations in terms of the geographic coordinate system, and using the georeferencing functions to translate the manipulation to each map'"'"'s internal coordinate system.
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Citations
11 Claims
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1. A method of synchronizing map images, comprising:
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selecting a boundary of a geographic region, which is present on both a first map and a second map, in the first map; converting first map coordinates designating the boundary of the geographic region selected on the first map into geographic coordinates using a georeferencing function of the first map; converting the geographic coordinates to corresponding second map coordinates designating the boundary of the geographic region on the second map using a georeferencing function of the second map; and automatically adjusting a boundary of the second map to correspond to the selected boundary in the first map when the boundary is selected in the first map. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer readable medium containing instructions executable by a computer to perform a method to synchronize map images, the method comprising:
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selecting a boundary of a geographic region, which is present on both a first map and a second map, in the first map; converting first map coordinates designating the boundary of the geographic region selected on the first map into geographic coordinates using a georeferencing function of the first map; converting the geographic coordinates to corresponding second map coordinates designating the boundary of the geographic region on the second map using a georeferencing function of the second map; and automatically adjusting a boundary of the second map to correspond to the selected boundary when the boundary is selected in the first map.
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9. A method of synchronizing map images, the method comprising:
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displaying a first map and a second map, wherein a background of the first map is transparent such that features of both the first map and the second map are visible; selecting a boundary of a geographic region, which is present on both the first map and the second map, in the first map; converting first map coordinates designating the boundary of the geographic region selected on the first map into geographic coordinates using a georeferencing function of the first map; converting the geographic coordinates to corresponding second map coordinates designating the boundary of the geographic region on the second map using a georeferencing function of the second map; and automatically adjusting a boundary of the second map to correspond to the selected boundary in the first map when the boundary is selected in the first map.
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10. A computer readable medium containing instructions executable by a computer to perform a method of synchronizing map images, the method comprising:
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displaying a first map and a second map, wherein a background of the first map is transparent such that features of both the first map and the second map are visible; selecting a boundary of a geographic region, which is present on both the first map and the second map, in the first map; converting first map coordinates designating the boundary of the geographic region selected on the first map into geographic coordinates using a georeferencing function of the first map; converting the geographic coordinates to corresponding second map coordinates designating the boundary of the geographic region on the second map using a georeferencing function of the second map; and automatically adjusting a boundary of the second map to correspond to the selected boundary in the first map when the boundary is selected in the first map.
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11. A system for map synchronizing map images, the system comprising:
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a map display; a map processing platform in communication with the map display, wherein the map processing platform is adapted to; display a first map and a second map, wherein a background of the first map is transparent such that features of both the first map and the second map are visible; select a boundary of a geographic region, which is present on both the first map and the second map, in the first map; convert first map coordinates designating the boundary of the geographic region selected on the first map into geographic coordinates using a georeferencing function of the first map; convert the geographic coordinates to corresponding second map coordinates designating the boundary of the geographic region on the second map using a georeferencing function of the second map; and automatically adjust a boundary of the second map to correspond to the selected boundary in the first map when the boundary is selected in the first map; a storage platform coupled to the map processing platform; and a user interaction device coupled to the map processing platform.
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Specification