CN104391922A - Geographic space information self adaption multiple terminal visualization method - Google Patents
Geographic space information self adaption multiple terminal visualization method Download PDFInfo
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- CN104391922A CN104391922A CN201410665623.0A CN201410665623A CN104391922A CN 104391922 A CN104391922 A CN 104391922A CN 201410665623 A CN201410665623 A CN 201410665623A CN 104391922 A CN104391922 A CN 104391922A
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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
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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- 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
Disclosed is a geographic space information self adaption multiple terminal visualization method. The geographic space information self adaption multiple terminal visualization method is characterized by being based on a three layer architecture system structure, wherein a top layer of the three layer architecture system structure is a spatial data visualization interface layer directly interacted with a user, and used to display spatial data in graphic mode according to a self adaption graphic design scheme, and simultaneously generates various interfaces adaptive to the user according to situations of the user, and presents the various interfaces to the user, a function layer of the three layer architecture system structure is used to achieve the whole self adaption spatial data visualization process, and comprises various core control modules for adaptively visualizing the spatial data, which are respectively a self adaption graphic format model, a self adaption graphic representation model and a self adaption map symbol design model, and a data layer of the three layer architecture system structure is a spatial data library, and comprises user management and geographical space time data analyzing and processing models. Compared with an existing terminal visualization method, the geographic space information self adaption multiple terminal visualization method further considers initiative, spatial attributes and a method adaptive to multiple terminals on the premise of keeping personalized, and really meets exact demands of the multiple terminals based on geographic space information service.
Description
Technical field
The present invention relates to the crossing domain of computing machine cloud computing technology, Design of Database modeling and the visual display of geographical spatial data, particularly relate to a kind of geospatial information self-adaptation multiple terminals method for visualizing.
Background technology
Along with mobile phone, dull and stereotyped, vehicle-mounted and other the embedded device with network communication function is constantly applied extensively and profoundly, traditional adaptive terminal visualization technique only emphasizes that the adaptive simplifying Adaptive synthesis of application environmental correclation map topical content being chosen to filtration and level of detail is expressed, lack the knowledge to user, behavior and cognitive ability, and be difficult to initiatively self-adaptation multiple terminal for the symbolic library of application-specific with binding formula symbol collocation method, there is method for visualizing specification and principle of design, the problems such as user model algorithm imperfection, the requirement of user individual cannot be met, the problems such as standard disunity.
Self-adaptation service technology and Intelligent Service are in integrated existing many-sided infotech and application foundation thereof, centered by user's request, carry out the innovation of service mode and business model.Therefore, the realization of Intelligent Service needs to relate to technical support that is cross-platform, diversification, as data mining technology, artificial intelligence technology, SOA correlation technique etc.For self-adaptive processing and the service of geographical spatial data, singularity due to spatial data and spatial data handling makes conventional cloud computing technology and is not exclusively suitable for, and GIS carries out applying and also there is the problems such as self-adaptation bearer conversion, Adaptive Transmission conversion, data multi-scale transform under cloud computing environment.
Current spatial information service system it is emphasised that service standardization, standardization, ignore individual demand, the research backwardness relatively of spatial information user personality service, there are some defects in existing existing modeling technique, the interest expressing user is not very complete, therefore cause final recommendation effect undesirable, the renewal technology of user model and how provide service to have much room for improvement according to the needs of user are in good time automatic for user.
Summary of the invention
In order to overcome above-mentioned weak point, the present invention proposes a kind of geospatial information self-adaptation multiple terminals method for visualizing, the method is evaluated as basis with user's scene, man-machine interaction behavior, knowledge reasoning mechanism and user feedback, possess based on user model and the self-organization, the auto-navigation ability that adapt to hardware, and the ability of prediction user behavior.
The present invention solves the problems of the technologies described above adopted technical scheme: geospatial information self-adaptation multiple terminals method for visualizing, its difference is, the method is based on three tier architecture structure, top layer is spatial database control contact bed that is direct and user interactions, for spatial data is carried out figure display according to adaptive graphical design proposal, also generate the various interface adapting to user according to user situation simultaneously and present to user; Functional layer is used for realizing whole adaptive space data visualization process, comprises the various core Controlling model of adaptive space data visualization, comprises adaptive graphical format model, adaptive graphical expression model, self-adaptation Map symbol design; Data Layer is then spatial database, comprises user management, spatiotemporal data analyzing and processing model.
The invention has the beneficial effects as follows: this technology can intelligently perception user input, infer user behavior, it is also the nimble available operation interface of system with user simultaneously, functionally be easy to operation, friendly interface, the content provided causes the interest of user, and effect of visualization allows user feel joyful.By adopting the self-adaptation multiple terminals visualization technique of self-adaptation carrier change technique, extensive spatiotemporal object expression technology and geographical spatial data visualization technique, well to solve under harmonious, the space constraint of present terminal variation, the efficient conversion model of real-time online and prospect background the problems such as multi-Scale Data method for visualizing.This technology is not stuffy, but by mechanism of information feedback, constantly carries out learning, perfect, the service hommization more making to provide, better had the user of different characteristic and different demand use.Based on the web application Frame Design of adaptive terminal, the program applied framework design etc. of adaptive terminal that mobile terminal operating system provides, by the self-adaptation multiple terminals visualization technique of self-adaptation carrier change technique, extensive spatiotemporal object expression technology and geographical spatial data visualization technique, adopt hierarchical structure and fast indexing method to be online, real-time, the efficient scene display of various visual carrier under new technology, meet the different demands of user.The technical method that the present invention proposes is compared to existing endgame visualization method, under the prerequisite of preserving one's individuality, also contemplate initiative, space attribute, and adapt to the method for multiple terminals, make the exact demand really meeting multiple terminal based on geo-spatial service.
Accompanying drawing explanation
Fig. 1 is the geographical spatial database control technology path of embodiment of the present invention self-adaptation.
Fig. 2 is that the embodiment of the present invention is from map self-adaptation bearer conversion framework.
Fig. 3 is that the embodiment of the present invention is from visualized algorithm storehouse.
Embodiment
As Fig. 1-Fig. 3, embodiment of the present invention needs to solve following problem: set up adapt to dissimilar user user model, set up geographical spatial database control system user is classified standard, set up can according to user's request carry out dynamic construction and reconstruct data management mechanism, consider adaptive figure and symbol display and there is the user interface etc. of self-adaptive features.
The geographical spatial database control of self-adaptation is evaluated as basis with user's scene, man-machine interaction behavior, knowledge reasoning mechanism and user feedback, possesses based on user model and the self-organization, the auto-navigation ability that adapt to hardware, and the ability of prediction user behavior.Based on the technology such as the web application Frame Design of adaptive terminal, the program applied framework design of adaptive terminal that main flow mobile terminal operating system provides, the technology path of the geographical spatial database control engine of self-adaptation as shown in Figure 1.
User individual service mainly builds user model, for user provides in good time service from the aspect such as description document, resource file, context aware of user.Modeling information used roughly has graphical user (comprising reading graph ability, know-how, education, hobby), map object (comprising task, spatial spread, key element correlativity), condition (comprising position, time, orientation, environment) and map medium (display size and parameter, transfer rate, interactivity, software capability).The customized information feedback of user has two kinds of methods: implicit user feedback and clear and definite user feedback.Clear and definite feedback needs user to participate in directly, by he provide oneself some information, to current document and the evaluation of the page and the evaluation etc. to system, thus reach the destination of study.
Based on user model to applied environment, user behavior, user's scene information with go out rule map etc. and be described, classify and identify, carry out adaptive user scene.Wherein user's scene comprises user with figure object, current location, speed, time, direction etc.; Analyzing and processing is carried out to the spatiotemporal data got, data is passed to the A+E that spatial database control evaluation module is used for net result simultaneously; The technology of using artificial intelligence, according to user's scene, behavior etc., to the spatiotemporal data after process by analysis, by adaptive graphical format model, adaptive graphical expression model and select corresponding adaptive graphical symbol, finally generate personalised graphical; On the adaptive terminal display technique basis that the different terminals operating systems such as domestic mobile terminal provide, realize the conversion to map self-adaptation carrier.The adaptive terminal display that domestic operating system provides mainly provides the best resource of the automatic resolution selecting to match with equipment to show, the application program UI of different resolution is provided to design, shown by layout control UI, system realizes the layout of specifying by providing the layout setting of specifying with alignment function, back gauge function and height and the width function, can be the display layout that the screen design of different resolution is different, and the controlled display of the screen between distinct device and manipulation interaction design etc. are provided.
Set up the map transformations model towards variety carrier, the adaptive problem in resolved vector conversion process.If Fig. 2 is map self-adaptation bearer conversion framework.The efficient conversion model of real-time online builds all kinds of map transformations model based on map transformations rule base to the Map Generalization method that the different key elements such as water system, settlement place, road, topography and geomorphology are implemented between different scale by middleware Technology.For improving the efficiency of data processing, display and transmission, set up the level of spatial data, tile or pyramid data storage organization, by off-line type Map Generalization, pre-service is carried out to spatial data, generate multiscale space information and be stored in this structure, classifying rationally is online with off-line type overall treatment task, in the hope of improving the response efficiency of multi-scale information service on the whole.
Prospect background harmonious refers to map often information as a setting, needs to coordinate mutually with foreground information.As navigator fix electronic chart, foreground information is the opportunistic location of mobile terminal, need the background information (as highway etc.) of outline when vehicle travels between intercity, need when vehicle travels in city detailed background information (as block, receive, hotel, parking lot etc.).For meeting this adaptive background display, intend adopting dynamic, continuous, smooth change of scale technology to realize the inorganic conversion of map datum, while change of scale, viewpoint, thematic information, keep the area-of-interest of user preferably, the viewpoint that avoiding jumps causes is lost.
The multi-scale expression of extensive space-time data will improve the expandability of visual analysis, and its technology frame chart as shown in Figure 3.The multi-scale expression of design large scale data, namely sets up hierarchical structure and fast indexing method.Because the precision of display device and resolution have certain physical constraints, large scale data decomposition can be reassembled as the expression of time domain, spatial domain or frequency domain, the dynamic and visual of data is provided, solves multi-Scale Data method for visualizing problem under space constraint with this.High dimensional data process is stream shape in higher dimensional space by data representation, implements the dimensionality reduction keeping data attribute, generate two dimension or the three dimensional representation of easy perception.For spatio-temporal data stream, because a large amount of data obtain in the form of streaming, we are by the visualization technique of primary study space-time ordered data, binding pattern identification theory (as hidden Markov chain, particle filter etc.) excavates the correlativity of space-time data in time domain and continuity, and design carries out real-time visualization method to the online higher-dimension unstructured data obtained.
Be supplied to the intelligently perception user input of the nimble available operation interface of user by system, infer user behavior, carry out the adaptive user interface operations such as UI design, interface, tool design;
For user provides spatial Information Service best under this environment, be functionally easy to operation, friendly interface, the adaptive space datagraphic obtained expressed showing user;
The evaluation of adaptive space data visualization is carried out to the result obtained according to user satisfaction, the information feed back obtained is designed to adaptive space data visualization, adaptive user interface, make the result that obtains more perfect.
Concrete, the present invention comprises following steps:
Step 1) carries out adaptive user scene, obtains spatiotemporal data;
Step 2) analyzing and processing is carried out to the spatiotemporal data got, data are passed to the A+E that spatial database control evaluation module is used for net result simultaneously;
Step 3) carries out the design of adaptive space data visualization, finally generates personalised graphical;
Step 4) exports the final personalised graphical generated, and carries out adaptive user interface;
Step 5) provides spatial Information Service best under this environment for user, is functionally easy to operation, friendly interface, the adaptive space datagraphic obtained is expressed showing user;
Step 6) carries out the evaluation of adaptive space data visualization to the result obtained according to user satisfaction, is designed by the information feed back obtained, adaptive user interface to adaptive space data visualization, makes the result that obtains more perfect.
Claims (1)
1. a geospatial information self-adaptation multiple terminals method for visualizing, it is characterized in that, the method is based on three tier architecture structure, top layer is spatial database control contact bed that is direct and user interactions, for spatial data is carried out figure display according to adaptive graphical design proposal, also generate the various interface adapting to user according to user situation simultaneously and present to user; Functional layer is used for realizing whole adaptive space data visualization process, comprises the various core Controlling model of adaptive space data visualization, comprises adaptive graphical format model, adaptive graphical expression model, self-adaptation Map symbol design; Data Layer is then spatial database, comprises user management, spatiotemporal data analyzing and processing model.
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