CN1734449A - Vector computer graphics service method and system - Google Patents
Vector computer graphics service method and system Download PDFInfo
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- CN1734449A CN1734449A CNA2004100551528A CN200410055152A CN1734449A CN 1734449 A CN1734449 A CN 1734449A CN A2004100551528 A CNA2004100551528 A CN A2004100551528A CN 200410055152 A CN200410055152 A CN 200410055152A CN 1734449 A CN1734449 A CN 1734449A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention relates to a computer pattern service method and system of vector form, which matches a network system. The server can provide a computer pattern service function of vector form to consumer information platform by the wireless local network system, taking the orientation service of electric map for example. The VML and SVG vector patter forms send electric map to consumer information platform by adapting a universal form. The method is convenient to set or download related card software for consumer, which displays the VML or SVG electric map of the vector form through network browser.
Description
Technical field
The invention relates to a kind of computer technology and web-information technology, particularly relevant for a kind of vector format computer graphical method of servicing and system, can use collocation to a network system, a WLAN system (Wireless Local Area Network for example, WLAN), allow a server, for example be used for position location services (Location Based Service, LBS) server, can be by this network system to a client-side information platform, a portable mobile model information platform particularly, notebook computer for example, personal digital assistant device (PersonalDigital Assistant, PDA), Tablet PC (Tablet PC), portable telephone device or the like provides a vector format computer graphical service function, and the electronic chart service function of position location services for example is provided for it.
Background technology
Position location services (Location Based Service, LBS) be the research topic of a hot topic in the present wireless communication technique field, it is by WLAN (WirelessLocal Area Network, WLAN) technological orientation goes out the geographic position that a specific destination object is gone up at the earth's surface, and wherein this destination object can for example be a people, automobile, a tame hotel or the like.As long as these destination objects carry a special electronic information aid with wireless transmit function, for example notebook computer, personal digital assistant device (Personal DigitalAssistant, PDA), Tablet PC (Tablet PC), portable telephone device or the like, can allow the position positioning service system detect the geographic position at this destination object place; And after the geographic position that detects the destination object place, demonstrate the geographic position at destination object place by electronic chart, and this electronic chart is downloaded to the electronic information aid that the user holds, can allow the user understand the geographic position at its place by browsing this electronic chart.
Basically, electronic chart can adopt vector graphics format (vector graphics) or dot matrix graphical format (bitmap graphics) to show.But be unfavorable for the use of thin type client (thin client) and can't else control processing because the data quantity of dot matrix graphical format is rather huge, so the best implementation of electronic chart promptly is to adopt vector graphics format each special object in the figure (for example certain buildings on the electronic chart, road, lake or the like) work is individual.
Yet the problem that the position location services system adopts vector graphics format to show that electronic chart exists is, present web browser is the not directly demonstration of support vector graphical format mostly, therefore need install or download relevant plug-in software (plug-in) in addition, very not convenient on feasible the application.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, fundamental purpose of the present invention is to be to provide a kind of vector format computer graphical method of servicing and system, can allow the user of position positioning service system not need to install in addition or download relevant plug-in software, can utilize its existing web browser to demonstrate the electronic chart of vector graphics format easily.
Vector format computer graphical method of servicing of the present invention and system are that design is applied in a network system, a WLAN system for example, allow a server, the server that for example is used for position location services, can be by this network system to a client-side information platform, a portable mobile model information platform particularly, for example notebook computer, personal digital assistant device, Tablet PC, portable telephone device or the like, provide a vector format computer graphical service function, for example for the electronic chart service function of position location services is provided.
Vector format computer graphical service system of the present invention comprises a graph data library module, wherein prestores the computer graphical of a plurality of original vector forms; One figure request respond module can respond each figure solicited message that this client-side information platform sends, and sends the graphic retrieve active information of a correspondence; One database retrieval module can respond the graphic retrieve active information that this figure request respond module is sent, and retrieves the computer graphical that this client-side information platform is asked from this graph data library module; One graphical format modular converter, the computer graphical of each original vector form that this database retrieval module can be retrieved converts the general vector graphics format of a particular network to; And a graphical services module, the computer graphical of each network general format that this graphical format modular converter can be converted to is issued this client-side information platform by this network system.
This vector format computer graphical method of servicing comprises at least: build on this server and put a graph data library module, wherein prestore the computer graphical of a plurality of original vector forms; Respond each figure solicited message that this client-side information platform sends, send the graphic retrieve active information of a correspondence; Respond this graphic retrieve active information, from this graph data library module, retrieve the computer graphical that this client-side information platform is asked; Convert the computer graphical of each original vector form of retrieving to a particular network general vector graphics format; And the computer graphical of each network general format that will convert to is issued this client-side information platform by this network system.
The technical characterstic of vector format computer graphical method of servicing of the present invention and system is to adopt the general vector graphics format of a network, for example be VML or the SVG vector graphics format of compatibility, serve electronic chart and give the client-side information platform to the network uri information form XML of standard.Because VML or SVG vector graphics format are the extensively XML data formats of employing of compatible network system institute to now, therefore can allow the client-side information platform not need to install in addition or download relevant slotting attached software, can utilize its existing web browser to demonstrate the electronic chart of VML or SVG vector format easily.
Description of drawings
Fig. 1 is an application architecture synoptic diagram, shows the application architecture of vector format computer graphical service system of the present invention;
Fig. 2 is a system architecture synoptic diagram, shows the Object Oriented OO component model of the inside structure of vector format computer graphical service system of the present invention.
Embodiment
Embodiment
Below be conjunction with figs., describe the embodiment of vector format computer graphical method of servicing of the present invention and system in detail.
Fig. 1 promptly shows the application architecture of vector format computer graphical service system 100 of the present invention.As shown in the figure, vector format computer graphical service system 100 of the present invention is being to carry to one or more server 20 (only showing a station server 20 in Fig. 1 typically) in the practical application, for example be a position location services (Location Based Service, LBS) server, and this server 20 is to be connected to a network system 10, a WLAN system (Wireless Local Area Network for example, WLAN), allow this server 20 can pass through 10 pairs one client-side information platforms 30 of this network system, a portable mobile model information platform particularly, notebook computer for example, personal digital assistant device (Personal DigitalAssistant, PDA), Tablet PC (Tablet PC), portable telephone device or the like, one vector format computer graphical service function is provided, the electronic chart service function of position location services for example is provided.
As shown in Figure 2, the Object Oriented OO component model of the inside structure of vector format computer graphical service system 100 of the present invention (object-oriented component model) comprises at least: (a) graph data library module 101; (b) a figure request respond module 110; (c) a database retrieval module 120; (d) a graphical format modular converter 130; And (e) graphical services module 140.
Prestoring the computer graphical that a cover utilizes traditional vector format to make in the graph data library module 101, for example is in order to provide position location services required electronic chart.The source book form of these electronic charts is traditional vector formats, for example is DRW, DXF, DWG, CGM, IGS or the like.
Figure request respond module 110 can respond the figure solicited message that each client-side information platform 30 sends, and the graphic retrieve active information that sends a correspondence is to database retrieval module 120.
The computer graphical of each source book form that graphical format modular converter 130 can retrieve above-mentioned database retrieval module 120, converting the general vector graphics format of a particular network to, for example is VML (Vector Markup Language) or SVG (Scalable VectorGraphics) vector graphics format of compatibility to the network uri information form XML (Extensible MarkupLanguage) of standard.Because XML, VML and SVG are the common standard standard in the computerized information industry, therefore in this instructions, its normative content is not described further.
The computer graphical of the general vector graphics format of each network that graphical services module 140 can convert above-mentioned graphical format modular converter 130 to (being the electronic chart of VML or SVG form) is served the client-side information platform 30 that sends the figure solicited message by this network system 10.
Below be that WLAN WLAN system and server 20 are that the LBS server is an example with network system 10, describe an application example of vector format computer graphical service system 100 of the present invention in detail.
Please consult Fig. 1 and Fig. 2 simultaneously, the implementation method of vector format computer graphical service system of the present invention is: build on this server 20 and put a graph data library module 101, wherein prestore the computer graphical of a plurality of original vector forms; When the user of client-side information platform 30 will be from the electronic chart in the specific geographic position of LBS server 20 requests one, it can be by the web browser on the client-side information platform 30 31 and by wlan network system 10, send a relevant figure solicited message to LBS server 20, make figure request respond module 110 these figure solicited messages of response in the vector format computer graphical service system 100 of the present invention, the graphic retrieve active information that sends a correspondence is to database retrieval module 120, make database retrieval module 120 responsively from graph data library module 101, retrieve the electronic chart that this figure solicited message is asked, and the electronic chart of each source book form that retrieval is come out sends graphical format modular converter 130 to, making graphical format modular converter 130 convert the electronic chart of each source book form to a particular network general vector graphics format, for example is the vector graphics format of VML (VectorMarkup Language) or SVG (Scalable Vector Graphics).
Then can be responsible for the electronic chart (being the electronic chart of VML or SVG form) of the general vector graphics format of each network that above-mentioned graphical format modular converter 130 is converted by graphical services module 140, return to the client-side information platform 30 that sends the figure solicited message with downloading mode by wlan network system 10 via LBS server 20.Because being downloaded to the electronic chart of client-side information platform 30 is general VML of network or SVG form, therefore can allow client-side information platform 30 directly demonstrate the electronic chart of this VML or SVG form by the web browser on it 31.
Generally speaking, the invention provides a kind of vector format computer graphical method of servicing and system of novelty, use collocation to a network system, allow a server provide a vector format computer graphical service function to a client-side information platform by this network system; And its characteristics are to adopt the general vector graphics format of a network, for example are VML or the SVG vector graphics format of compatibility to the network uri information form XML of standard, serve electronic chart and give the client-side information platform.Because VML or SVG vector graphics format are the extensively XML data formats of employing of compatible network system institute to now, therefore can allow the client-side information platform not need to install in addition or download relevant plug-in software, can utilize its existing web browser to demonstrate the electronic chart of VML or SVG vector format easily.Technology had better progressive and practicality before the present invention was therefore existing.
Claims (12)
1. a vector format computer graphical method of servicing is applied in a network system, in order to allow a server provide a vector format computer graphical service function to a client-side information platform by this network system; It is characterized in that this vector format computer graphical method of servicing comprises at least:
On this server, build and put a graph data library module, wherein prestore the computer graphical of a plurality of original vector forms;
Respond each figure solicited message that this client-side information platform sends, send the graphic retrieve active information of a correspondence;
Respond this graphic retrieve active information, from this graph data library module, retrieve the computer graphical that this client-side information platform is asked;
Convert the computer graphical of each original vector form of retrieving to a particular network general vector graphics format; And
The computer graphical of each network general format of converting to is issued this client-side information platform by this network system.
2. vector format computer graphical method of servicing as claimed in claim 1 is characterized in that this network system is a WLAN system.
3. vector format computer graphical method of servicing as claimed in claim 1 is characterized in that, this server is one to be used for the server of position location services.
4. vector format computer graphical method of servicing as claimed in claim 1 is characterized in that, this client-side information platform is selected from by notebook computer, personal digital assistant device, Tablet PC and portable telephone device forms in the group one.
5. vector format computer graphical method of servicing as claimed in claim 1 is characterized in that, the general vector graphics format of network that this graphical format converse routine adopts is the vector graphics format of VML.
6. vector format computer graphical method of servicing as claimed in claim 1 is characterized in that, the general vector graphics format of network that this graphical format converse routine adopts is the vector graphics format of SVG.
7. a vector format computer graphical service system is arranged in pairs or groups to a network system, in order to allow a server provide a vector format computer graphical service function to a client-side information platform by this network system; It is characterized in that this vector format computer graphical service system comprises at least:
One graph data library module wherein prestores the computer graphical of a plurality of original vector forms;
One figure request respond module can respond each figure solicited message that this client-side information platform sends, and sends the graphic retrieve active information of a correspondence;
One database retrieval module can respond the graphic retrieve active information that this figure request respond module is sent, and retrieves the computer graphical that this client-side information platform is asked from this graph data library module;
One graphical format modular converter, the computer graphical of each original vector form that this database retrieval module can be retrieved converts the general vector graphics format of a particular network to; And
One graphical services module, the computer graphical of each network general format that this graphical format modular converter can be converted to is issued this client-side information platform by this network system.
8. vector format computer graphical service system as claimed in claim 7 is characterized in that this network system is a WLAN system.
9. vector format computer graphical service system as claimed in claim 7 is characterized in that, this server is one to be used for the server of position location services.
10. vector format computer graphical service system as claimed in claim 7, it is characterized in that this client-side information platform is selected from by notebook computer, personal digital assistant device, Tablet PC and portable telephone device forms in the group one.
11. vector format computer graphical service system as claimed in claim 7 is characterized in that, the general vector graphics format of network that this graphical format modular converter adopts is the vector graphics format of VML.
12. vector format computer graphical service system as claimed in claim 7 is characterized in that, the general vector graphics format of network that this graphical format modular converter adopts is the vector graphics format of SVG.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100551528A CN1734449A (en) | 2004-08-09 | 2004-08-09 | Vector computer graphics service method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2004100551528A CN1734449A (en) | 2004-08-09 | 2004-08-09 | Vector computer graphics service method and system |
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| CN1734449A true CN1734449A (en) | 2006-02-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402526A (en) * | 2010-09-13 | 2012-04-04 | 方正国际软件有限公司 | Geographic information database management method and system |
| CN102591987A (en) * | 2012-01-13 | 2012-07-18 | 西安电子科技大学 | Image retrieval method based on memetic algorithm |
| CN103201997A (en) * | 2010-10-12 | 2013-07-10 | 天津书生投资有限公司 | A method and system of Web-based document service |
| CN104243886A (en) * | 2014-09-28 | 2014-12-24 | 中国电子科技集团公司第二十七研究所 | High-speed image analyzing and video generating technology based on plug-in technology |
| CN107316474A (en) * | 2016-04-27 | 2017-11-03 | 上海炬宏信息技术有限公司 | Dynamic information sketch preparation method based on SVG vector data forms |
-
2004
- 2004-08-09 CN CNA2004100551528A patent/CN1734449A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402526A (en) * | 2010-09-13 | 2012-04-04 | 方正国际软件有限公司 | Geographic information database management method and system |
| CN103201997A (en) * | 2010-10-12 | 2013-07-10 | 天津书生投资有限公司 | A method and system of Web-based document service |
| CN103201997B (en) * | 2010-10-12 | 2016-08-24 | 天津书生云科技有限公司 | A kind of document services method and system of sing on web |
| CN102591987A (en) * | 2012-01-13 | 2012-07-18 | 西安电子科技大学 | Image retrieval method based on memetic algorithm |
| CN102591987B (en) * | 2012-01-13 | 2014-03-12 | 西安电子科技大学 | Image retrieval method based on memetic algorithm |
| CN104243886A (en) * | 2014-09-28 | 2014-12-24 | 中国电子科技集团公司第二十七研究所 | High-speed image analyzing and video generating technology based on plug-in technology |
| CN104243886B (en) * | 2014-09-28 | 2018-07-20 | 中国电子科技集团公司第二十七研究所 | A kind of high speed image parsing and video generation method based on plug-in part technology |
| CN107316474A (en) * | 2016-04-27 | 2017-11-03 | 上海炬宏信息技术有限公司 | Dynamic information sketch preparation method based on SVG vector data forms |
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