CN108829827A - A kind of spatial analysis Map service system based on GeoTools and OGC - Google Patents
A kind of spatial analysis Map service system based on GeoTools and OGC Download PDFInfo
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- CN108829827A CN108829827A CN201810620009.0A CN201810620009A CN108829827A CN 108829827 A CN108829827 A CN 108829827A CN 201810620009 A CN201810620009 A CN 201810620009A CN 108829827 A CN108829827 A CN 108829827A
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Abstract
The invention discloses a kind of spatial analysis Map service systems based on GeoTools and OGC, are related to Map Services field.The present invention includes presentation layer, application layer and data Layer；Presentation layer includes web browser and multipad；Web browser calls HTML application interface by browser for user；Multipad calls data-interface and functional interface by SOAP/XML；Application layer is used to provide geographic information services and geographic information services interface to web browser and multipad；Application layer further includes SOAP/XML and geographic information services；Data Layer includes relevant database and has GML/XML database, and relevant database is converted by GML/XML Transformation Service.The present invention is by carrying out spatial analysis using GeoTools and OGC Map Services technology in WEB Map Services, realize same ratio ruler from different map servers, same projection mode map datum between direct superposition, keep Map Services polymerization more comprehensive, more efficient map inter-network service is provided.
Description
Technical field
The invention belongs to Map Services fields, more particularly to a kind of spatial analysis map based on GeoTools and OGC
Service system.
Background technique
In this year, with the fast development of computer technology and internet, geography information should not only be made by professional
With, it should the application and service in the crowd of more commonly range.In this context, what OGC was released has about spatial Information Service
WMS, WFS, WCS, WPS, wherein first three is as more basic service.But the basic problems considered required for them be all about
Publication, lookup, binding and the access of service；The work that OGC is done is the basic operation for providing to must satisfy in every kind of service, base
This service parameter format and request corresponding modes.
Therefore, an important directions for having turned geography information development into for geographic information analysis service system；And it is empty
Between deeper time service content of the Analysis Service as geography information public service system, from the proposition of its concept research to standard
Release experienced the attention of many modification and industry；And the application and research now for spatial analysis service are in contrast
It is less.
In conclusion Map Services provider is located at difference without normal direction using the Map Services providing method of the prior art
Map Services party in request in hierarchical network provides Map Services, i.e., can not provide inter-network Map Services.Especially a variety ofly
In the case where figure service and Multi net voting, the Map Services providing method of the prior art cannot provide general and comprehensive Map Services
Polymerization methods.
Summary of the invention
The purpose of the present invention is to provide a kind of spatial analysis Map service systems based on GeoTools and OGC, pass through
Spatial analysis is carried out using GeoTools and OGC Map Services technology in WEB Map Services, is realized from different maps
Direct superposition between the same ratio ruler of server, the map datum of same projection mode, solves existing Map Services
Inter-network map can not be provided and Map Services polymerize incomplete problem.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of spatial analysis Map service system based on GeoTools and OGC, including presentation layer, application layer
And data Layer；
The presentation layer includes web browser and multipad；Wherein, the web browser passes through for user
Browser calls HTML application interface；The multipad calls data-interface and functional interface by SOAP/XML；
The application layer is used to provide geographic information services and geographic information services to web browser and multipad
Interface；The application layer further includes SOAP/XML and geographic information services；The SOAP/XML is used for the number based on soap protocol
It is transmitted according to by XML, realizes cross-platform operation in entire internet；The geographic information services include spatial data services, sky
Between function services and Metadata service；The geographic information services interface includes spatial data services interface, space function
Service interface and spatial source database service interface；
The data Layer includes relevant database and has GML/XML database, and the relevant database passes through
GML/XML Transformation Service is converted；The GML/XML database is for storing data to be developed.
Preferably, the geographic information services needs are bound with client, and pass through geographic information services technology
Coding realizes the information exchange between CAT server-side；The file data of the geographic information services is stored between distributed space
Database.
Preferably, the file data of the geographic information services needs before storing to distributed spatial database to data
Carry out vector space analysis；The vector data spatial analysis includes following function：Network analysis, vector superposed analysis, vector
Buffer finish blasting, terrain analysis, grid buffer finish blasting and raster overlay analysis；Wherein, the network analysis includes optimal path point
Analysis, network traffic analysis and connectivity analysis；The vector superposed analysis includes point and polygon, line and polygon, face and more
Vector superposed analysis between the shape of side；The vector buffer finish blasting includes dot buffer zone analysis, line buffer zone analysis and face buffering
Area's analysis；The terrain analysis includes Slope Analysis, aspect analysis and intervisibility situation analysis.
Preferably, the optimum route analysis calculates shortest path using dijkstra's algorithm.
The invention has the advantages that：
The present invention by carrying out spatial analysis using GeoTools and OGC Map Services technology in WEB Map Services,
Realize same ratio ruler from different map servers, same projection mode map datum between direct superposition, make
Map Services polymerization is more comprehensive, provides more efficient map inter-network service.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural block diagram of spatial analysis Map service system based on GeoTools and OGC of the invention；
Fig. 2 is GIS spatial analysis functions schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, the present invention is a kind of spatial analysis Map service system based on GeoTools and OGC, packet
Include presentation layer, application layer and data Layer；
Presentation layer includes web browser and multipad；Wherein, web browser passes through browser tune for user
With HTML application interface；Multipad calls data-interface and functional interface by SOAP/XML；
Application layer is used to provide geographic information services to web browser and multipad and geographic information services connect
Mouthful；Application layer further includes SOAP/XML and geographic information services；SOAP/XML is passed for the data based on soap protocol by XML
It is defeated, realize cross-platform operation in entire internet；Geographic information services include spatial data services, space function service and space
Metadata Service；Geographic information services interface includes spatial data services interface, space function service interface and space source data
Service interface；
Data Layer includes relevant database and has GML/XML database, and relevant database is converted by GML/XML
Service is converted；GML/XML database is for storing data to be developed.
Wherein, geographic information services needs are bound with client, and real by the coding of geographic information services technology
The now information exchange between CAT server-side；The file data of geographic information services is stored to distributed spatial database.
It please refers to shown in Fig. 2, the file data of geographic information services is stored to needing before distributed spatial database pair
Data carry out vector space analysis, and vector space analysis is mainly used for analysis space target, and extraterrestrial target has control position, divides
Cloth, form, spatial relationship (such as distance, orientation, topology, dependent field) essential characteristic；Vector data spatial analysis includes as follows
Function：Network analysis, vector superposed analysis, vector buffer finish blasting, terrain analysis, grid buffer finish blasting and raster overlay analysis；
Wherein, network analysis includes optimum route analysis, network traffic analysis and connectivity analysis；It is vector superposed analysis include point with it is more
Vector superposed analysis between side shape, line and polygon, face and polygon；It analyzes for realizing given geography vector buffer
The polygon of some distances is set up around entity sets, to represent influence model of the geographical entity set to surrounding objects environment
It encloses and degree；Vector buffer finish blasting includes dot buffer zone analysis, line buffer zone analysis and face buffer zone analysis, dot buffer zone analysis
Buffer area i.e. dotted come approximate representation with the corresponding broken line end of the positive side n shape, then the number of edges of the positive side n shape can represent dot buffer zone
" smoothness ", i.e., the resolution ratio of curve in the polygon of buffer area；Line buffer zone analysis generation can be divided into bilateral buffer area and
Unilateral buffer area successively judges that whether there is or not intersections for each buffer area, do intersection processing if intersection to the destination buffer of generation, if
Do not intersect, will be deleted in its buffer queue and be added in result queue to the end, buffer zone analysis generation in face can divide
Buffer area and face, which to be expanded, for face shrinks buffer area, face Buffer Generating Algorithm can be handled by the unilateral polygon of element,
The boundary point that the point set of generation is added to face is carrying out self intersection processing and is being area pattern buffer area；Terrain analysis includes slope
Degree analysis, aspect analysis and intervisibility situation analysis.
Wherein, optimum route analysis calculates shortest path using dijkstra's algorithm, and dijkstra's algorithm is using a kind of
The order of increasing lengths generates the algorithm of shortest path by path.
It is worth noting that, included each unit is only drawn according to function logic in the above system embodiment
Point, but be not limited to the above division, as long as corresponding functions can be realized；In addition, each functional unit is specific
Title is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
In addition, those of ordinary skill in the art will appreciate that realizing all or part of the steps in the various embodiments described above method
It is that relevant hardware can be instructed to complete by program, corresponding program can store to be situated between in a computer-readable storage
In matter.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (4)
1. a kind of spatial analysis Map service system based on GeoTools and OGC, including presentation layer, application layer and data Layer,
It is characterized in that：
The presentation layer includes web browser and multipad；Wherein, the web browser passes through browsing for user
Device calls HTML application interface；The multipad calls data-interface and functional interface by SOAP/XML；
The application layer is used to provide geographic information services to web browser and multipad and geographic information services connect
Mouthful；The application layer further includes SOAP/XML and geographic information services；The SOAP/XML is used for the data based on soap protocol
It is transmitted by XML, realizes cross-platform operation in entire internet；The geographic information services include spatial data services, space
Function services and Metadata service；The geographic information services interface includes spatial data services interface, space function clothes
Business interface and spatial source database service interface；
The data Layer includes relevant database and has GML/XML database, and the relevant database passes through GML/XML
Transformation Service is converted；The GML/XML database is for storing data to be developed.
2. a kind of spatial analysis Map service system based on GeoTools and OGC according to claim 1, feature exist
In the geographic information services needs are bound with client, and pass through the realization of the coding of geographic information services technology and CAT
Information exchange between server-side；The file data of the geographic information services is stored to distributed spatial database.
3. a kind of spatial analysis Map service system based on GeoTools and OGC according to claim 2, feature exist
In the file data of the geographic information services needs to carry out vector space to data before storing to distributed spatial database
Analysis；The vector data spatial analysis includes following function：Network analysis, vector superposed analysis, vector buffer finish blasting, landform
Analysis, grid buffer finish blasting and raster overlay analysis；Wherein, the network analysis includes optimum route analysis, network flow point
Analysis and connectivity analysis；The vector superposed analysis includes point and the vector between polygon, line and polygon, face and polygon
Overlay analysis；The vector buffer finish blasting includes dot buffer zone analysis, line buffer zone analysis and face buffer zone analysis；The landform
Analysis includes Slope Analysis, aspect analysis and intervisibility situation analysis.
4. a kind of spatial analysis Map service system based on GeoTools and OGC according to claim 3, feature exist
In the optimum route analysis calculates shortest path using dijkstra's algorithm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112000312A (en) * | 2020-07-24 | 2020-11-27 | 湖北地信科技集团股份有限公司 | Space big data automatic parallel processing method and system based on Kettle and GeoTools |
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Application publication date: 20181116 |