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Map data base system of multi-nation language

A multi-language and database technology, applied in the field of map database systems, can solve the problems of wasting memory space, time-consuming loading, huge amount of map data, etc., and achieves the effect of strong compatibility, time saving and space saving.

Inactive Publication Date: 2007-05-02
YINGHUADA (SHANGHAI) ELECTRONIC CO LTD
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Problems solved by technology

In order to realize the multi-language switching function, it is necessary to store multi-language strings in the map description database, which will result in a huge amount of map data
In addition, the existing method will cause the following inconveniences: First, during the development process, the information in the map description database is not easy to maintain; second, when the version is upgraded, if it involves the addition or deletion of language types, it will cause map description If the database structure changes, the code needs to be modified accordingly, resulting in poor backward compatibility; third, in product applications, if all languages ​​are loaded, memory space will be wasted. If only the language selected by the user is loaded, then when the load operation is time-consuming

Method used

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  • Map data base system of multi-nation language
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  • Map data base system of multi-nation language

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Embodiment Construction

[0010] A multilingual map database system of the present invention includes a multilingual character string database, and each language constitutes a separate library, as shown in Figure 1, which is a schematic diagram of a certain language database structure, including an index header and a data set. Each string has an independent identification number, and the index header arranges the index information in the order of the identification number ID, and the format is: identification number, offset. If the product supports N languages, construct N language string databases accordingly. The language databases of each country are combined to form the multi-language database of the present invention. The multi-language databases can be combined in one file or N files respectively.

[0011] In the map description database, create a new field for the corresponding string information to store the identification number. The multi-language database index associates the identification...

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Abstract

A databank system of map with multinational languages comprises map description databank, multinational language character string databank, index of multinational language databank. It is featured as forming independent databank of each language by index head, data set, one independent identification number for each character string and identification code of language type; and arranging index information by index head according to identification number sequence.

Description

technical field [0001] The invention relates to a map database system, in particular to a multilingual map database system. Background technique [0002] Current GPS products only support monolingual databases, but in actual use, most users need to provide multi-language switching functions. In order to realize the multi-language switching function, it is necessary to store multi-language character strings in the map description database, which will result in a huge amount of map data. In addition, the existing method will cause the following inconveniences: First, during the development process, the information in the map description database is not easy to maintain; second, when the version is upgraded, if it involves the addition or deletion of language types, it will cause map description If the database structure changes, the code needs to be modified accordingly, resulting in poor backward compatibility; third, in product applications, if all languages ​​are loaded, m...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 梁玮何代水
Owner YINGHUADA (SHANGHAI) ELECTRONIC CO LTD
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