Map editing-and-displaying apparatus, map managing system, map managing method, and map storing medium
First Claim
1. A map editing-and-displaying apparatus comprising:
- map data acquiring means for acquiring partial map data from a map database;
map data storing means for storing map data; and
map name assigning means for assigning a map name to the partial map data on the basis of index data that are appended to the partial map data.
2 Assignments
0 Petitions
Accused Products
Abstract
A prefecture name and names of cities of address index data of map-data-acquired area are compared with those of address index data of the whole country. A map name corresponding to the range of the acquired map data is assigned automatically to the acquired map data on the basis of a comparison result. A user can easily identify a map by displaying such map names in list form or in a like manner. Further, an area whose address index data include all address index data of a requested prefecture, a requested city, or the like is calculated, and map data of that area are delivered. This allows a user to acquire only necessary map data without the need for performing a complicated operation of determining an area. Thus it is provided a map editing-and-displaying apparatus that allows a user to easily recognize an area of acquired partial map data when the partial map data have been acquired on an area basis and that also allows a user to easily identify desired map data.
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Citations
6 Claims
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1. A map editing-and-displaying apparatus comprising:
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map data acquiring means for acquiring partial map data from a map database;
map data storing means for storing map data; and
map name assigning means for assigning a map name to the partial map data on the basis of index data that are appended to the partial map data. - View Dependent Claims (2)
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3. A map managing system having a center that is provided with a map database containing map data and a map editing-and-displaying apparatus that edits and utilizes part of the map data,
wherein the center comprises means for sending requested map data to the map editing-and-displaying apparatus; - and
the map editing-and-displaying apparatus comprises;
map data storing means for storing map data;
map data acquiring means for acquiring partial map data from the center; and
map name assigning means for assigning a map name to the partial map data on the basis of index data that are appended to the partial map data. - View Dependent Claims (4)
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5. A map name assigning method comprising the steps of:
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requesting a map database to send back a partial map;
acquiring partial map data from the map database; and
assigning the partial map data a map name corresponding to a range of the partial map data on the basis of a structure of index data that are appended to the partial map data.
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6. A map storing medium containing:
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map data of respective unit areas that are in grid-like mesh form, address index data having a tree structure, and partial tree data of the address index data that are correlated with the respective unit areas to make it possible to assign a map name to partial map data.
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Specification