CN101895574B - Dynamic autonomic loading technical scheme and system for spatial information network - Google Patents
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Abstract
The invention discloses a dynamic autonomic loading technical system for a spatial information network. The system adopts a browser/server architecture, and comprises a public network system, a firewall, a management center server, a data center server, a model center server and a service center server, wherein the management center server consists of a map operation module, a user authentication module, a data resolution module, a coordinate conversion module, a data storage module, a service packing module, a service registry module, a service analysis module, a service superposition module and a service query module. The system overcomes the defects of the prior art and provides the dynamic autonomic loading technical system and scheme for the spatial information network, which support the packing of various spatial data file type services, combine service packing with data retrieval and map browsing, and really realize the dynamic autonomic loading of the spatial information network.
Description
Technical field
The present invention relates to a kind of GIS-Geographic Information System, particularly relate to the dynamically autonomous loading technique scheme of a kind of Information Network and the system in network technology and GIS-Geographic Information System field based on the OGC standard.
Background technology
Network geographic information system is to utilize existing network technology, spatial information infrastructure, Information Network protocol specification; Form a Virtual space information management and processing environment; Various device geographical distribution, isomery and system are carried out integrated, the intelligent information platform of incorporate spatial Information Service is provided for the user.Internet becomes the media of web service now, and increasing GIS (GIS-Geographic Information System) supplier is put into the business of oneself on the Internet with the web service manner.GIS combines with the web service, makes the spatial data of different regions, different platform, different-format can on the network arbitrary node, load respectively and can externally serve.To this technical field; Each GIS supply commercial city provides the GIS service of oneself both at home and abroad; Capture huge map search and show the service market, like Google Maps (Google Map), Baidu's map, I want map spatial Information Service platforms such as (51ditu) in the public uses, to obtain approval widely.
Yet owing to multi-semantic meaning property, multi-space property, multiple dimensioned property and the polyphyly of obtaining means of spatial data, the characteristics such as diversity of storage format, aggregation of data utilization and data sharing still exist inconvenience.To this problem, open geospatial information alliance (OGC) has issued a series of standard, like network data services standard (WMS), network element service regulation (WFS), network coverage service regulation (WCS) etc.For this reason; U.S. ESRI company provides the function that own Data Format file is encapsulated as standard OGC service in its software systems; Some increase income community such as GeoServer, MapGuide etc. also provide similar function; But still be unrealized at present to the support of user's mark, multiple spatial data files type, service encapsulates do not combined with data retrieval, map view simultaneously, fail the dynamically independently loading of real implementation space information network with the standardized packages of COS.
Summary of the invention
In order to overcome the deficiency that prior art exists, the object of the present invention is to provide a kind of dynamically autonomous loading technique scheme of Information Network and system that service encapsulates is combined with data retrieval, map view.
For reaching above purpose; The invention provides the dynamically autonomous loading technique system of a kind of Information Network; This system adopts browser/server framework; Comprise public network system, fire compartment wall, management center server, data center server, model center server, service center server; Management center server is made up of map operation module, user authentication module, data resolution module, coordinate transferring, data memory module, service encapsulates module, service registry module, service parsing module, service laminating module, service-seeking module; Management center server links through fire compartment wall and public network system; Client connects the public network system, and described data center server, model center server, service center server and management center server are arranged on server end, and management center server carries out data communication through router and data center server, model center server, service center server.
Of the present invention further the improvement is; Described server end also comprises a customer center server; Be used for the storing user's registered data; And carrying out the comparison of user's logon information, described customer center server carries out the information transmission through described management center server and described public network system.
Of the present invention further the improvement is that described management center server connects the line data exchange of going forward side by side based on the SSH framework with data center server, model center server, service center server, customer center server.
Of the present invention further the improvement is that described management center server carries out data communication through router and described data center server, model center server, service center server and customer center server.
Second purpose of the present invention provides the dynamically autonomous loading technique scheme of a kind of Information Network; This scheme is followed network map service, network element service, network coverage service implementing standard and the Open Geographic Information System interoperability standard of OGC; Web services technologies, the direct access technique of spatial data, spatial data service generation technique, the unified description technique of service, service discovery technology have been adopted; And realize through following steps
Data Receiving step, the map operation module of management center server are accepted from the load request of browser and this request of data are stored in the user side scratchpad area (SPA);
The data parsing step, the data resolution module of management center server obtains and resolves the data that are stored in the user side scratchpad area (SPA);
Data normalization and storing step, the coordinate transferring of management center server forms the normal data result with the data that the user submits to, and the data memory module of management center server is stored in data in the data center server with normalized form;
The service encapsulates step, the service encapsulates module of management center server to the encapsulation of data service, obtains information on services according to the OGC standard;
The service registry step, the service registry module of management center server is carried out described information on services the information registration and is stored this information on services to service center server;
The service analyzing step, the service parsing module of management center server calls the service analytic modell analytical model that is stored in the model center server, according to the service analytic modell analytical model information on services is resolved;
Service stack step, the service laminating module of management center server superposes data and basic map;
The map operation step, the map operation module of management center server is carried out the control of figure layer display navigation with superimposed data;
The service-seeking step, the service-seeking module of management center server receives the query requests from the user, according to the querying condition in the query requests information on services of storage is retrieved, and data are sent to browser end.
Of the present invention further the improvement is; Between described Data Receiving step and data parsing step, also comprise a user authentication process, whether user authentication module comparison user login information and user's log-on data result decision of management center server accept user's request.
Of the present invention further the improvement is that described information on services comprises address of service, service name, service type, service describing.
Of the present invention further the improvement is, between described Data Receiving step and data parsing step, also comprises a user reminding step, sends prompting message to client, reminds the user to confirm whether to submit to data.
Owing to adopted above technical scheme, the present invention to support the standardization service encapsulates of multi-source heterogeneous spatial data, simultaneously service encapsulates is combined with data retrieval, map view, real implementation space information network is dynamically autonomous to load.
Description of drawings
Accompanying drawing 1 is the structural representation of the dynamically autonomous loading technique system of a kind of Information Network of the present invention;
Accompanying drawing 2 is the flow chart of the dynamically autonomous loading technique scheme of a kind of Information Network of the present invention.
Embodiment
Set forth in detail in the face of preferred embodiment of the present invention down, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Referring to accompanying drawing 1; The dynamically autonomous loading technique system of a kind of Information Network; This system adopts browser/server framework; Comprise public network system, fire compartment wall, router, management center server, data center server, model center server, service center server and customer center server; Management center server is made up of map operation module, user authentication module, data resolution module, coordinate transferring, data memory module, service encapsulates module, service registry module, service parsing module, service laminating module, service-seeking module; Management center server links through fire compartment wall and public network system; Described data center server, model center server, service center server, customer center server link through router and described management center server; Client connects the public network system; Described data center server, model center server, service center server, customer center server and management center server are arranged on server end, and management center server connects the line data exchange of going forward side by side based on the SSH framework through router with data center server, model center server, service center server, customer center server.
Information Network of the present invention dynamically autonomous loading technique method data computation be stored in service end and carry out, the user only need be equipped with the autonomous loading that web browser can carry out spatial data.In the present embodiment; The software environment of service end configuration comprises operating system Windows 2003 Server, webserver Tomcat 6.0, virtual machine JDK 6.0, database Postgrasql/PostGIS, browser IE6.0, developing instrument eclipse 3.2.This method is based on SSH framework (being struts+spring+hibernate); On the basis of following three kinds of data, services standards of OGC and OpenGIS interoperability standard, adopted web services technologies, the direct access technique of spatial data, spatial data service generation technique, multi-source heterogeneous spatial data to realize with service integrated technology, service unified description, discovery and integrated technology etc.
Among the present invention, basic map refers to be stored in the basic data of service center server, comprises graphic data, image data etc. fundamentally, represent to the user through browser with the mode of image, and be the reference of user's own loading data.Below introduce implementation step of the present invention in detail.
(1) user marks and draws the autonomous loading of data
Referring to accompanying drawing 2, the basis that the user marks and draws is a basic map, and in the present embodiment, basic map is for comprising main road, golden pheasant lake, Suzhou City, Jiangsu Province image data, and it is as follows to mark and draw step:
The Data Receiving step; The map operation module of management center server is accepted to mark and draw storage in the user side scratchpad area (SPA) from the load request of browser and the user that this request of data is corresponding; It is on the basis that is basic map, to produce with Suzhou City, Jiangsu Province image data that user in the present embodiment marks and draws data; Be included on the screen coordinate string of repeatedly clicking the closed polygon that forms, and mark descriptors such as the corresponding title of this closed polygon, description.
User authentication process, whether the user authentication module of management center server comparison user login information is registered in user's log-on data of customer center server, and result of determination is registered, and decision is accepted the user and is asked the data submitted to.
The data parsing step, the data resolution module of management center server obtains and resolves the data that are stored in the user side scratchpad area (SPA).
Data normalization and storing step, the coordinate transferring of management center server utilize the coordinate transformation method that screen coordinate is scaled the geographical space coordinate under the current map coordinates system, are recorded as { (x1; Y1), (x2, y2); (xn; Yn) }, form the normal data result, the data memory module of management center server is stored in data in the data center server with normalized form.
The service encapsulates step; According to the OGC standard data that are stored in data center server are carried out the standardization service encapsulates; The basic service information that extracts service name, service type simultaneously is registered to service center server, by service center server service is stored, is monitored and manages, in the present embodiment; Information on services comprises service name " International Science & Technology Park ", and service type is " point of interest ".
The service registry step, the service registry module of management center server is carried out information on services the information registration and is stored service center server into.
The service analyzing step, the service parsing module of management center server calls the service analytic modell analytical model that is stored in the model center server, according to the service analytic modell analytical model information on services is resolved.
Service stack step; Data and basic map that the service laminating module of management center server will be served after the analyzing step superpose; In the current layer tabulation, add the figure layer information of these data simultaneously, basic map is expressed as figure layer B1, new data are expressed as figure layer B2.
The map operation step; The map operation module of management center server shows the user with superimposed data with the network element service manner; At this moment show a closed polygon on the topographic map data in main road, golden pheasant lake, Suzhou City, Jiangsu Province; Show " International Science & Technology Park " printed words in the closed polygon, the map operation module provides figure layer controlling mechanism to control only show layers B1 or the stack result of while show layers B1 and B2.
The service-seeking step; The service-seeking module of management center server receives the query requests from the user; In the present embodiment; The querying condition of query requests is " International Science & Technology Park ", and it is the retrieval of keyword that the service-seeking module of management center server is carried out with " International Science & Technology Park " the service of service center server storage, and result for retrieval is sent to client.
(2) the autonomous loading of data file
Referring to accompanying drawing 2, the information network dynamically autonomous data file of supporting that loads in space in the present embodiment, mainly finger has the technical document of geographical coordinate, comprises the KML file of Google company, the Shape file of ESRI company, the MIF file of Maplnfo company etc.In the process of supporting this type data load, the user of loading data is required to be the registered user and is in logging status.Data file loads and the basis of demonstration is a basic map, and in the present embodiment, basic map is the image data that comprises the Suzhou City, Jiangsu Province.The practical implementation process is following:
The Data Receiving step; The map operation module of management center server accept from the load request of browser and with user's loaded data file storage in the user side scratchpad area (SPA); Load request in the present embodiment is the Shape file of ESRI company; Comprising the consistent associated documents of three root names, be respectively the road network .shp of Suzhou City, the road network .shx of Suzhou City, the road network .dbf of Suzhou City.
User authentication process, whether the user authentication module of management center server comparison user login information is registered in user's log-on data of customer center server, and result of determination is registered, and decision is accepted the user and is asked the data submitted to.
The data parsing step, the data resolution module of management center server obtains and resolves the data that are stored in the user side scratchpad area (SPA).
Data normalization and storing step; The coordinate transferring of management center server is converted into the normal data result with coordinate data in the file and attribute data, and the data memory module of management center server is stored in data in the data center server with normalized form.
The service encapsulates step; According to the OGC standard to the encapsulation of loaded data file service; The basic service information such as service name, service type that extract simultaneously are registered to service center server, by service center server service are stored, is monitored and manages, in the present embodiment; Service name is " Suzhou City's road network ", and service type is " terrain data ".
The service registry step, the service registry module of management center server is carried out information on services the information registration and is stored service center server into.
The service analyzing step, the service parsing module of management center server calls the service analytic modell analytical model that is stored in the model center server, according to the service analytic modell analytical model information on services is resolved.
Service stack step; Data and basic map that the service laminating module of management center server will be served after the analyzing step superpose; In the current layer tabulation, add the figure layer information of these data simultaneously, basic map is expressed as figure layer C1, new data are expressed as figure layer C2.
The map operation step; The map operation module of management center server shows the user with superimposed data with the network element service manner; At this moment superpose on the basic map and shown that the Suzhou City's road distributed data with element information, map operation module also provide figure layer controlling mechanism to control figure layer C1 or the while show layers C1 and the stack result that comprises the figure layer C2 of Suzhou City's road data that only shows the image data that comprises the Suzhou City, Jiangsu Province.
The service-seeking step; The service-seeking module of management center server receives the query requests from the user; In the present embodiment; The querying condition of query requests is " a Suzhou road ", and the service-seeking module of management center server is that keyword is retrieved to the service of service center stores with " Suzhou road ", and result for retrieval is sent to client.
(3) the autonomous loading of data, services
Referring to accompanying drawing 2, the dynamically autonomous data, services of supporting that loads of Information Network of the present invention comprises REST service and OGC service.In the process of supporting this type data load, the user of loading data is required to be the registered user and is in logging status.
The basis that the user marks and draws is a basic map, and in the present embodiment, basic map is the image data that comprises the Suzhou City, Jiangsu Province.The service load step is as follows:
The Data Receiving step; The map operation module of management center server is accepted to be stored in the user side scratchpad area (SPA) from the load request of browser and with the loaded data information on services; Load request in the present embodiment comprises river, the Suzhou City data that are encapsulated into WFS (vector data) service by the user, and comprises a web page address A who points to this data, services.
User authentication process, whether the user authentication module of management center server comparison user login information is registered in user's log-on data of customer center server, and result of determination is registered, and decision is accepted the user and is asked the data submitted to.
The data parsing step, the data resolution module of management center server obtains and resolves the data that are stored in the user side scratchpad area (SPA).
Data normalization and storing step; The coordinate transferring of management center server is carried out coordinate transformation with packaged WFS service data; For data form the normal data result, the data memory module of management center server is stored in data in the data center server with normalized form.
The service encapsulates step; Carry out the standardization service encapsulates according to the data, services of OGC standard after to standardization, the basic service information such as service name, service type that extract simultaneously are registered to service center server, by service center server service are stored, is monitored and manages; In the present embodiment; The address of service is for pointing to the web page address A of this data, services, and service name is the Suzhou City, and service type is " terrain data ".
The service registry step, the service registry module of management center server is carried out information on services the information registration and is stored service center server into.
The service analyzing step, the service parsing module of management center server calls the service analytic modell analytical model that is stored in the model center server, according to the service analytic modell analytical model information on services is resolved.
Service stack step; Data and basic map that the service laminating module of management center server will be served after the analyzing step superpose; In the current layer tabulation, add the figure layer information of these data simultaneously, basic map is expressed as figure layer D1, new data are expressed as figure layer D2.
The map operation step; The map operation module of management center server shows the user with superimposed data with the network element service manner; At this moment superpose on the basic map and shown that river, the Suzhou City distributed data with element information, map operation module also provide figure layer controlling mechanism to control figure layer D1 or the while show layers D1 and the stack result that comprises the figure layer D2 of river, Suzhou City data that only shows the image data that comprises the Suzhou City, Jiangsu Province.
The service-seeking step; The service-seeking module of management center server receives the query requests from the user; In the present embodiment; The querying condition of query requests is " river, Suzhou ", and the service-seeking module of management center server is key search to the service of service center stores with " river, Suzhou ", and result for retrieval is sent to client.
Dynamically autonomous loading of Information Network is exactly according to user's loaded data form; The present embodiment data mode comprises data, geographical space file, the spatial data service of marking and drawing; After data are resolved and store data center into; Utilize OGC relevant criterion (WMS, WFS, WCS) that these data are encapsulated, store externally issue after the service centre into, supply user inquiring, browse.
Through above-mentioned execution mode; Be not difficult to find out that the present invention is a kind of service encapsulates of supporting multiple spatial data files type; Simultaneously service encapsulates is combined real implementation space information network dynamically autonomous loading technique system of the dynamically autonomous Information Network that loads and scheme with map search, map view.
Above execution mode only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the people that is familiar with this technology understand content of the present invention and implements; Can not limit protection scope of the present invention with this, all equivalences that spirit is done according to the present invention change or modification all is encompassed in protection scope of the present invention.
Claims (8)
1. the dynamically autonomous loading technique system of an Information Network; It is characterized in that: this system adopts browser/server framework; Comprise public network system, fire compartment wall, customer center server, management center server, data center server, model center server, service center server; Management center server links through fire compartment wall and public network system; Client connects the public network system; Described data center server, model center server, service center server and management center server are arranged on server end; Management center server carries out data communication through router and data center server, model center server, service center server, and management center server is made up of map operation module, user authentication module, data resolution module, coordinate transferring, data memory module, service encapsulates module, service registry module, service parsing module, service laminating module, service-seeking module;
The map operation module is accepted also will ask corresponding user to mark and draw storage in the user side scratchpad area (SPA) from the load request of browser;
User authentication module, whether the comparison user login information is registered in user's log-on data of customer center server;
Data resolution module obtains and resolves the data that are stored in the user side scratchpad area (SPA);
Coordinate transferring utilizes the coordinate transformation method that screen coordinate is scaled the geographical space coordinate under the current map coordinates system, be recorded as (x1, y1), (x2, y2) ... (xn, yn) }, form the normal data result;
Data memory module is stored in data in the data center server with normalized form;
The service encapsulates module is carried out the standardization service encapsulates according to the open geospatial information OGC of alliance standard to the data that are stored in data center server and is obtained information on services;
The service registry module is carried out said information on services the information registration and is stored service center server into;
The service parsing module calls the service analytic modell analytical model that is stored in the model center server, according to the service analytic modell analytical model information on services is resolved;
The service laminating module superposes data and basic map after the service parsing;
The service-seeking module receives the query requests from the user.
2. the dynamically autonomous loading technique system of Information Network according to claim 1; It is characterized in that: the comparison that described customer center server is used to store log-on data and carries out user's logon information, described customer center server carries out the information transmission through described management center server and described public network system.
3. the dynamically autonomous loading technique system of Information Network according to claim 2 is characterized in that: described management center server connects the line data exchange of going forward side by side based on the SSH framework with data center server, model center server, service center server, customer center server.
4. the dynamically autonomous loading technique system of Information Network according to claim 2, it is characterized in that: described management center server carries out data communication through router and described data center server, model center server, service center server and customer center server.
5. realize the dynamic independently method of loading technique system of Information Network as claimed in claim 1 for one kind; It is characterized in that: this scheme is followed the network map service of the open geospatial information OGC of alliance; The network element service; Network coverage service implementing standard and Open Geographic Information System interoperability standard; Adopted web services technologies; The direct access technique of spatial data; Spatial data service generation technique; The unified description technique of service; The service discovery technology; And realize through following steps
Data Receiving step, the map operation module of management center server are accepted from the load request of browser and this request are stored in the user side scratchpad area (SPA);
The data parsing step, the data resolution module of management center server obtains and resolves the data that are stored in the user side scratchpad area (SPA);
Data normalization and storing step, the coordinate transferring of management center server forms the normal data result with the data that the user submits to, and the data memory module of management center server is stored in data in the data center server with normalized form;
The service encapsulates step, the service encapsulates module of management center server to the encapsulation of data service, obtains information on services according to the open geospatial information OGC of alliance standard;
The service registry step, the service registry module of management center server is carried out described information on services the information registration and is stored this information on services to service center server;
The service analyzing step, the service parsing module of management center server calls and is stored in the model center server
The service analytic modell analytical model is resolved information on services according to the service analytic modell analytical model;
Service stack step, the service laminating module of management center server superposes data and basic map;
The map operation step, the map operation module of management center server is carried out the control of figure layer display navigation with superimposed data;
The service-seeking step, the service-seeking module of management center server receives the query requests from the user, according to the querying condition in the query requests information on services of storage is retrieved, and data are sent to browser end.
6. the method for the dynamically autonomous loading technique system of a kind of implementation space according to claim 5 information network; It is characterized in that: between described Data Receiving step and data parsing step, also comprise a user authentication process, whether user authentication module comparison user login information and user's log-on data result decision of management center server accept user's request.
7. the method for the dynamically autonomous loading technique system of a kind of implementation space according to claim 5 information network, it is characterized in that: described information on services comprises address of service, service name, service type, service describing.
8. the method for the dynamically autonomous loading technique system of a kind of implementation space according to claim 5 information network; It is characterized in that: between described Data Receiving step and data parsing step, also comprise a user reminding step; Send prompting message to client, remind the user to confirm whether to submit to data.
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| CN102647437B (en) * | 2011-02-22 | 2015-04-08 | 中国铁路总公司 | Centralized traffic control method and centralized traffic control system |
| CN102185903A (en) * | 2011-04-19 | 2011-09-14 | 北京神州数码思特奇信息技术股份有限公司 | Method for endowing browser/server (B/S) system with distributed characteristics |
| CN102495854A (en) * | 2011-11-18 | 2012-06-13 | 中国测绘科学研究院 | Method for realizing dynamic label placement based on basic state modification |
| CN102819596A (en) * | 2012-08-13 | 2012-12-12 | 福建邮科通信技术有限公司 | Location comprehensive service platform system |
| US9967309B2 (en) * | 2014-10-06 | 2018-05-08 | Microsoft Technology Licensing, Llc | Dynamic loading of routes in a single-page application |
| CN105389665A (en) * | 2015-11-25 | 2016-03-09 | 株洲时代电子技术有限公司 | Railway safety production information management method |
| CN111338883A (en) * | 2018-12-18 | 2020-06-26 | 比亚迪股份有限公司 | Server architecture, data processing method, device and storage medium |
| CN117390057B (en) * | 2023-12-11 | 2024-03-19 | 成都智达万应科技有限公司 | Map data query method and system |
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| CN1972309A (en) * | 2006-12-06 | 2007-05-30 | 北京航空航天大学 | A method and system for issuing GIS-based dynamic traffic information |
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