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Personal geographic information operating method and device

A technology of geographic information and layer information, applied in the field of geographic information, to achieve the effect of saving operating costs

Inactive Publication Date: 2017-05-10
TIANJIN INST OF SURVEYING & MAPPING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method and device for operating personal geographic information to solve the technical problem in the prior art that the use of personal geographic information requires ArcGIS to read and write data formats

Method used

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  • Personal geographic information operating method and device
  • Personal geographic information operating method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] figure 1 It is a schematic flow chart of the method for reading personal geographic information provided by Embodiment 1 of the present invention; this method is applicable to the situation of reading Personal GeoDatabase data, and the method can be executed by a device for reading personal geographic information, which can be implemented by software / hardware implementation.

[0044] see figure 1 , the method for reading personal geographic information, including:

[0045] S110, accessing the data system table, and obtaining a data record table according to the information of the data system table.

[0046] The system data table can usually be used to store the relevant information of the data record table, such as: the storage location and storage attributes of the data record table. Exemplarily, it can be implemented through a Microsoft.Jet.OLEDB driver. Obtain the layer name from the GDB_ObjectClasses and GDB_FeatureClasses tables, obtain the spatial data type ...

Embodiment 2

[0051] figure 2 It is a schematic flow chart of the method for reading personal geographic information provided by Embodiment 1 of the present invention; this method is applicable to the situation of writing Personal GeoDatabase data, and the method can be executed by a device for writing personal geographic information, which can be implemented by software / hardware implementation.

[0052] see figure 2 , the writing method of the personal geographic information, including:

[0053] S210, creating a data record table according to the attribute information of the elements.

[0054]Specifically, the layer information can be established according to the attribute information of the elements; and the data record table can be created according to the layer information. Similarly, it also needs to be implemented through the Microsoft.Jet.OLEDB driver. First, add layer registration records in the GDB_ObjectClasses data table to obtain the ObjectClassID; then add layer informat...

Embodiment 3

[0059] image 3 It is a schematic flow chart of the method for modifying personal geographic information provided by Embodiment 3 of the present invention; this method is applicable to the situation of modifying Personal GeoDatabase data, and the method can be executed by a device for modifying personal geographic information, which can be implemented by software / hardware accomplish.

[0060] see image 3 , the modification method of the personal geographic information, including:

[0061] S310, modify attribute information.

[0062] The addition, deletion, and modification of layer features are similar to the addition, deletion, and modification of database records. For example, you can refer to the read attribute information, modify the attribute information, and rewrite it according to the writing method.

[0063] S320. Modify the index content of the layer corresponding to the element in the data system table while modifying the attribute information of the element.

...

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Abstract

The invention provides a personal geographic information operating method and a personal geographic information operating device. A method for reading personal geographic information includes accessing a data system table and acquiring a data record table according to information of the data system table, and then acquiring attribute information of elements according to the data record table. The Personal Geo Database mode can be subjected to read-write operation in an environment without depending on ArcGis, and GIS data of other formats can be converted into Geo Database mode common for ArcGIS by means of the component; thus, personal geographic information operating cost is saved.

Description

technical field [0001] The invention belongs to the field of geographic information, and in particular relates to a method and device for operating personal geographic information. Background technique [0002] A Geodatabase is a data model that uses standard relational database technology to represent geographic information. Geodatabase supports storing and managing geographic information in standard database management system (DBMS) tables. Geodatabase supports multiple DBMS structures and multi-user access, and its size is scalable. Geodatabase supports everything from small single-user databases based on Microsoft Jet Engine to workgroup, departmental, and enterprise-level multi-user databases. [0003] There are currently two geodatabase structures: personal Geodatabase and multi-user Geodatabase (multiuser geodatabase). Personal Geodatabase, free for ArcGIS users, stores GIS data in a small database using the Microsoft Jet Engine data file structure. A personal geo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/29
Inventor 孟浩东王少一盛中杰韩振镖于海波吴永军
Owner TIANJIN INST OF SURVEYING & MAPPING
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