CN106649858A - Personal geographic information operating method and device - Google Patents
Personal geographic information operating method and device Download PDFInfo
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- CN106649858A CN106649858A CN201611263605.5A CN201611263605A CN106649858A CN 106649858 A CN106649858 A CN 106649858A CN 201611263605 A CN201611263605 A CN 201611263605A CN 106649858 A CN106649858 A CN 106649858A
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- data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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
The invention belongs to area of geographic information, more particularly, to the operational approach and device of a kind of personal geography information.
Background technology
Geodatabase is a kind of data model that geography information is showed using standard relationship database technology.
Geodatabase supports that geography information is stored and managed in data base management system (DBMS) table of standard.Geodatabase
Various DBMS structures and multi-user access are supported, and size is scalable.From the small-sized list based on Microsoft Jet Engine
Customer data base, to the multiuser database of working group, department and enterprise-level, Geodatabase is supported.
There are two kinds of geodatabase structures at present：Personal Geodatabase and multi-user Geodatabase
(multiuser geodatabase).Personal Geodatabase, for ArcGIS user is free, it is used
Microsoft Jet Engine data file structures, GIS data is stored in toy data base.Personal geodatabase
More like the work space based on file, database purchase amount is 2GB to the maximum.Personal geodatabase uses the Access of Microsoft
Data base carrys out memory attribute list.For small-sized GIS projects and working group, personal Geodatabase is ideal
Instrument.Generally, GIS user is stored using multi-user Geodatabase and concurrently accesses data.Personal Geodatabase
Single user editor is held, version management is not supported.
When using Personal GeoDatabase data models, conventional method is to use ArcGIS desktop softwares or base
It is written and read in the software of ArcEngine Components Developments, ArcGIS cannot be departed from all the time.
The content of the invention
The invention provides the operational approach and device of a kind of personal geography information, to solve prior art used in it is personal
Geography information needs ArcGIS to read and write the technical problem of data form.
On the one hand, a kind of read method of personal geography information is embodiments provided, including：
Data system table is accessed, according to the data system table acquisition of information data logger；
The attribute information of key element is obtained according to the data logger.
Further, the attribute information that key element is obtained according to the data logger, including：
Read the information of the figure layer in the table in the data logger；
Obtain the attribute information of key element in the figure layer.
On the one hand, a kind of wiring method of personal geography information is embodiments provided, including：
Data logger is created according to the attribute information of key element；
Data system table is generated according to the data logger.
Further, it is described that data logger is created according to the attribute information of key element, including：
Map data mining platform is set up according to the attribute information of key element；
Data logger is created according to the map data mining platform.
On the one hand, the embodiment of the present invention additionally provides a kind of amending method of personal geography information, including：
While the attribute information of key element is changed, described in modification data system table in the index of the corresponding figure layer of key element
Hold.
On the one hand, a kind of reading device of personal geography information is embodiments provided, including：
Access unit, for accessing data system table, according to the data system table acquisition of information data logger；
Acquiring unit, for obtaining the attribute information of key element according to the data logger.
Further, the acquiring unit is used for：
Read the information of the figure layer in the table in the data logger；
Obtain the attribute information of key element in the figure layer.
On the one hand, a kind of writing station of personal geography information is embodiments provided, including：
Creating unit, for creating data logger according to the attribute information of key element；
Signal generating unit, for generating data system table according to the data logger.
Further, the creating unit is used for：
Map data mining platform is set up according to the attribute information of key element；
Data logger is created according to the map data mining platform.
On the other hand, the embodiment of the present invention additionally provides a kind of modification device of personal geography information, including：
Modification unit, for while the attribute information of key element is changed, key element to be corresponding described in modification data system table
Figure layer index content.
The operational approach and device of personal geography information provided in an embodiment of the present invention, can be independent of the ring of ArcGIS
Operation is written and read to Personal GeoDatabase data models under border, the component can be passed through by the GIS of extended formatting
Data are converted to the general GeoDatabase data models of ArcGIS.Save the running cost of personal geography information.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be in embodiment or description of the prior art
The required accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, without having to pay creative labor, can be with attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the schematic flow sheet of the read method of the personal geography information that the embodiment of the present invention one is provided；
Fig. 2 is the schematic flow sheet of the wiring method of the personal geography information that the embodiment of the present invention two is provided；
Fig. 3 is the schematic flow sheet of the amending method of the personal geography information that the embodiment of the present invention three is provided；
Fig. 4 is the structural representation of the reading device of the personal geography information that the embodiment of the present invention four is provided；
Fig. 5 is the structural representation of the writing station of the personal geography information that the embodiment of the present invention five is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Embodiment one
Fig. 1 is the schematic flow sheet of the read method of the personal geography information that the embodiment of the present invention one is provided；This method can
Situation suitable for reading Personal GeoDatabase data, the method can be come by the reading device of personal geography information
Perform, the device can be realized by software/hardware mode.
Referring to Fig. 1, the read method of the personal geography information, including：
S110, accesses data system table, according to the data system table acquisition of information data logger.
System data table is generally used for the relevant information of data storage log, for example：The storage position of data logger
Put, storage attribute etc..Exemplary, can be driven by Microsoft.Jet.OLEDB and be realized.From GDB_
Figure layer title is obtained in ObjectClasses and GDB_FeatureClasses tables, space is obtained from GDB_GeomColumns
Data type (point, line, surface, annotation etc.), from spatial referencing information in GDB_SpatialRefs tables, from GDB_FieldInfo tables
Middle field information, the codomain information etc. for obtaining from GDB_Domains tables field.
S120, according to the data logger attribute information of key element is obtained.
Specifically, the information of the figure layer in the table in the data logger is read；Obtain key element in the figure layer
Attribute information.Exemplary, data logger, the attribute information of each key element in acquisition figure layer and space can be accessed
Information.The reading of attribute information is the same with common document data bank method, obtains the value of each field；The reading of spatial information
It is the long binary content for reading space S hape field, then according to point, line, surface storage specified in ESRI ShapeFile
Rule is analyzed, and obtains the information such as the detailed coordinate of point-line-surface.
The read method of the personal geography information that the present embodiment is provided, by accessing data system table, according to the data
System table acquisition of information data logger, according to the data logger attribute information of key element is obtained.Can utilize existing
Drive all properties information for reading personal geography information by different level.Read while complete and accurate can be realized all personal geographical letters
Breath.
Embodiment two
Fig. 2 is the schematic flow sheet of the read method of the personal geography information that the embodiment of the present invention one is provided；This method can
Situation suitable for writing Personal GeoDatabase data, the method can be come by the writing station of personal geography information
Perform, the device can be realized by software/hardware mode.
Referring to Fig. 2, the wiring method of the personal geography information, including：
S210, according to the attribute information of key element data logger is created.
Specifically, map data mining platform can be set up according to the attribute information of key element；Data note is created according to the map data mining platform
Record table.Equally, it is also desirable to realized by Microsoft.Jet.OLEDB drivings, first in GDB_ObjectClasses tables of data
Middle increase figure layer registration, obtains ObjectClassID；Then figure is increased in GDB_FeatureClasses and GDB_ tables
Layer information record, arranges the parameters such as element type, geometric type, Shape fields；Finally create layer table and figure layer Shape_
Index tables.
S220, according to the data logger data system table is generated.
The establishment of blank MDB files is completed using existing Access reading and writing datas API, is created according to the data logger
Data system table is built, the field and content in system table is created and filled according to Personal GeoDatabase model needs.
The wiring method of the personal geography information that the present embodiment is provided, according to the attribute information of key element data record is created
Table；Data system table is generated according to the data logger.Existing driving can be utilized to write all of personal geography information
Attribute information.And corresponding system table is created, write while complete and accurate can be realized all personal geography information.
Embodiment three
Fig. 3 is the schematic flow sheet of the amending method of the personal geography information that the embodiment of the present invention three is provided；This method can
Situation suitable for changing Personal GeoDatabase data, the method can be by the modification device of personal geography information
Perform, the device can be realized by software/hardware mode.
Referring to Fig. 3, the amending method of the personal geography information, including：
S310, changes attribute information.
The additions and deletions of figure layer key element change the additions and deletions similar to data-base recording and change, exemplary, refer to the attribute letter for reading
Breath, and re-write according to wiring method after modifying to attribute information.
S320, while the attribute information of key element is changed, changes the corresponding figure layer of key element described in data system table
Index content.
The change plan record of layer table of additions and deletions changes the relative recording of figure layer Shape_Index table simultaneously.The Shape of figure layer key element
Material alteration, is to be realized by changing long binary content according to ESRI ShapeFile call formats, while needing modification
The field contents of MinGX, MinGY, MaxGX, MaxGY of relative recording in figure layer Shape_Index table.
The present embodiment provide personal geography information amending method, by change key element attribute information while,
The index content of the corresponding figure layer of key element described in modification data system table.The personal geographical letter of modification can be driven using existing
The attribute information of breath, and index content is changed accordingly.So that amended content intact is errorless, and it is easy-to-look-up.
Example IV
Fig. 4 is the structural representation of the reading device of the personal geography information that the embodiment of the present invention four is provided, such as Fig. 4 institutes
Show, described device includes：
Access unit 410, for accessing data system table, according to the data system table acquisition of information data logger；
Acquiring unit 420, for obtaining the attribute information of key element according to the data logger.
The reading device of the personal geography information that the present embodiment is provided, it is possible to use individual is read by different level in existing driving
The all properties information of geography information.Read while complete and accurate can be realized all personal geography information.
Further, the acquiring unit is used for：
Read the information of the figure layer in the table in the data logger；
Obtain the attribute information of key element in the figure layer.
Embodiment five
Fig. 5 is the structural representation of the writing station of the personal geography information that the embodiment of the present invention five is provided, such as Fig. 5 institutes
Show, described device includes：
Creating unit 510, for creating data logger according to the attribute information of key element；
Signal generating unit 520, for generating data system table according to the data logger.
The writing station of the personal geography information that the present embodiment is provided, according to the attribute information of key element data record is created
Table；Data system table is generated according to the data logger.Existing driving can be utilized to write all of personal geography information
Attribute information.And corresponding system table is created, write while complete and accurate can be realized all personal geography information.
Further, the creating unit is used for：
Map data mining platform is set up according to the attribute information of key element；
Data logger is created according to the map data mining platform.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
Cross the related hardware of programmed instruction to complete.Aforesaid program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, either which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence disengaging various embodiments of the present invention technology of appropriate technical solution
The scope of scheme.
Claims (10)
1. a kind of read method of personal geography information, it is characterised in that include：
Data system table is accessed, according to the data system table acquisition of information data logger；
The attribute information of key element is obtained according to the data logger.
2. method according to claim 1, it is characterised in that the attribute that key element is obtained according to the data logger
Information, including：
Read the information of the figure layer in the table in the data logger；
Obtain the attribute information of key element in the figure layer.
3. a kind of wiring method of personal geography information, it is characterised in that include：
Data logger is created according to the attribute information of key element；
Data system table is generated according to the data logger.
4. method according to claim 3, it is characterised in that described that data record is created according to the attribute information of key element
Table, including：
Map data mining platform is set up according to the attribute information of key element；
Data logger is created according to the map data mining platform.
5. a kind of amending method of personal geography information, it is characterised in that include：
While the attribute information of key element is changed, the index content of the corresponding figure layer of key element described in data system table is changed.
6. a kind of reading device of personal geography information, it is characterised in that include：
Access unit, for accessing data system table, according to the data system table acquisition of information data logger；
Acquiring unit, for obtaining the attribute information of key element according to the data logger.
7. device according to claim 6, it is characterised in that the acquiring unit is used for：
Read the information of the figure layer in the table in the data logger；
Obtain the attribute information of key element in the figure layer.
8. a kind of writing station of personal geography information, it is characterised in that include：
Creating unit, for creating data logger according to the attribute information of key element；
Signal generating unit, for generating data system table according to the data logger.
9. device according to claim 8, it is characterised in that the creating unit is used for：
Map data mining platform is set up according to the attribute information of key element；
Data logger is created according to the map data mining platform.
10. a kind of modification device of personal geography information, it is characterised in that include：
Modification unit, for while the attribute information of key element is changed, changing the corresponding figure of key element described in data system table
The index content of layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611263605.5A CN106649858A (en) | 2016-12-30 | 2016-12-30 | Personal geographic information operating method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263605.5A CN106649858A (en) | 2016-12-30 | 2016-12-30 | Personal geographic information operating method and device |
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| CN106649858A true CN106649858A (en) | 2017-05-10 |
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| CN201611263605.5A Pending CN106649858A (en) | 2016-12-30 | 2016-12-30 | Personal geographic information operating method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109145044A (en) * | 2018-08-01 | 2019-01-04 | 山东省国土测绘院 | One kind being based on many body system Fundamental Geographic Information Data benchmark model |
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Application publication date: 20170510 |