CN102005130A - WebGIS (Web Geographic Information System)-based system for displaying real-time state of intelligent transportation equipment - Google Patents
WebGIS (Web Geographic Information System)-based system for displaying real-time state of intelligent transportation equipment Download PDFInfo
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- CN102005130A CN102005130A CN2009100578699A CN200910057869A CN102005130A CN 102005130 A CN102005130 A CN 102005130A CN 2009100578699 A CN2009100578699 A CN 2009100578699A CN 200910057869 A CN200910057869 A CN 200910057869A CN 102005130 A CN102005130 A CN 102005130A
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Abstract
The invention discloses a WebGIS (Web Geographic Information System)-based system for displaying the real-time state of intelligent transportation equipment. Combined with the WebGIS technology, the Ajax technology and the Javascript technology, the GIS technology is adopted for a background server to dynamically generate a GIS map picture and acquire the position information, the category information and the state information of the intelligent transportation equipment by utilizing a B/S (Browser) frame; the Ajax technology and the Javascript technology are adopted for a foreground server to dynamically generate an icon of the intelligent transportation equipment according to the category information and the state information of the site intelligent transportation equipment, to superpose the icon of the intelligent transportation equipment and the GIS map picture according to the geographic position information of the site intelligent transportation equipment and to display the real-time state of the intelligent transportation equipment on a WebGIS page. The invention can be used for locating the site intelligent transportation equipment quickly and accurately and displaying the state information thereof in real time.
Description
Technical field
The present invention relates to intelligent transport technology, particularly a kind of intelligent transportation equipment real-time status display system based on WebGIS.
Background technology
Development along with the city, increasing intelligent transportation equipment is placed in each crossing, city or highway section, how in time to grasp the real-time running state of these equipment apace, reduce or avoid because equipment failure or unusually road traffic is impacted has become the difficult problem that traffic administration person faces.
Current, based on the intelligent transportation equipment real-time status display system of WebGIS (WWW Geographic Information System), the technical scheme of employing has:
1. use GIS (geography information system, Geographic Information System) the GIS control that provides of software vendor, exploitation C/S (client/server, the client-server structure) software, field apparatus uses standard symbol (circle, triangle, rectangle, five-pointed star etc.) to show on the GIS map, symbol is carried out simple color fill the different equipment state of demonstration, but this method has following weakness:
(1) C/S software needs client software is installed, and is unfavorable for the upgrading and the maintenance of software;
(2) real-time is poor, and the cycle that state upgrades was greater than 30 seconds; When equipment state was upgraded, whole GIS can refresh flicker in the interface;
(3) standard symbol can't vivid indication equipment; When carrying out map amplification, reduction operation, the standard symbol size can not be amplified thereupon or dwindle, and symbol size and map scale detuning phenomena often occur, and user experience is relatively poor;
2. exploitation B/S (brower/server, browser server structure) system uses tabulation to show the intelligent transportation equipment state.But this way can't navigate to status information of equipment the positional information of equipment intuitively owing to can not combine by GIS.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of intelligent transportation equipment real-time status display system based on WebGIS, can locate the site intelligent transit equipment fast and accurately, shows its status information in real time.
For solving the problems of the technologies described above, the intelligent transportation equipment real-time status display system based on WebGIS of the present invention comprises state acquisition system, GIS server, WEB server, state computation server, real-time data base, WWW, browser;
Described state acquisition system is gathered the intelligent transportation status information of equipment, and described intelligent transportation status information of equipment is sent to WWW;
Described state computation server receives described intelligent transportation status information of equipment and carries out computing by WWW, judges the state that it is current, and result of calculation is stored in the described real-time data base through WWW;
Described GIS server uses the WebGIS technology, and Real-time and Dynamic generates the GIS picture;
Described WEB server, use the Ajax technology, obtain the size of browser map display area through WWW, all the intelligent transportation equipment that comprise of area size dynamic calculation map display area and positional information thereof, type information according to the map, and from real-time data base, obtain the current status information of these intelligent transportation equipment;
Described browser, obtain the GIS picture through WWW, use the Ajax technology to obtain intelligent transportation device location information, type information and the status information that the WEB server obtains through WWW, use the Javascript technology, according to intelligent transportation device type information and status information, the intelligent transportation appliance icon is upgraded in dynamic creation, according to the positional information of intelligent transportation equipment the intelligent transportation appliance icon is added on the GIS map, shows on display.
Described browser can be according to the status information of intelligent transportation equipment, and the color of intelligent transportation appliance icon is upgraded in dynamic creation, according to the type of intelligent transportation equipment, creates the figure that upgrades the intelligent transportation appliance icon.
Intelligent transportation equipment real-time status display system based on WebGIS of the present invention, be with WebGIS (WWW Geographic Information System) technology, Ajax (Asynchronous JavaScript andXML, asynchronous JavaScript and XML, a kind of webpage development technology of creating the interaction network page application) technology and Javascript (a kind of based on object and event driven client script language) technology combine, adopt B/S framework (brower/server, the browser server structure), the background server end adopts GIS (Geographic Information System) technology, dynamically generate the GIS map picture, and acquisition intelligent transportation device location information, classified information and status information, the foreground browser end adopts Ajax technology and Javascript technology, classified information and status information according to the site intelligent transit equipment dynamically generate the intelligent transportation appliance icon, geographical location information according to the site intelligent transit equipment, intelligent transportation appliance icon and GIS map picture is superimposed, in the real-time status of WebGIS page demonstration intelligent transportation equipment.Because of adopting the B/S framework, so the update cycle of real-time update intelligent transportation appliance icon can be less than 1s, reach 500ms, thereby the real-time status of locating and displaying intelligent transportation equipment on the WebGIS page fast and accurately, and amplify, dwindle or during move operation when carrying out map, intelligent transportation appliance icon in the WebGIS page is also amplified accordingly, is dwindled and moves, remain icon sizes and the map size is moderate, can locate the site intelligent transit equipment fast and accurately, show its status information in real time.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail.
Fig. 1 is the intelligent transportation equipment real-time status display system one embodiment synoptic diagram based on WebGIS of the present invention.
Embodiment
Intelligent transportation equipment real-time status display system one embodiment based on WebGIS of the present invention is gone into shown in Figure 1, comprises state acquisition system, GIS server, WEB server, state computation server, real-time data base, WWW, browser;
Described state acquisition system is gathered the intelligent transportation status information of equipment, and described intelligent transportation status information of equipment is sent to WWW;
Described state computation server receives described intelligent transportation status information of equipment and carries out computing by WWW, judges the state that it is current, and result of calculation is stored in the described real-time data base through WWW;
Described GIS server uses the WebGIS technology, and Real-time and Dynamic generates the GIS picture;
Described WEB server, use the Ajax technology, obtain the size of browser map display area through WWW, all the intelligent transportation equipment that comprise of area size dynamic calculation map display area and positional information thereof, type information according to the map, and from real-time data base, obtain the current status information of these intelligent transportation equipment;
Described browser, obtain the GIS picture through WWW, use the Ajax technology to obtain intelligent transportation device location information, type information and the status information that the WEB server obtains through WWW, use the Javascript technology, according to intelligent transportation device type information and status information, the intelligent transportation appliance icon is upgraded in dynamic creation, according to the positional information of intelligent transportation equipment the intelligent transportation appliance icon is added on the GIS map, shows on display.
Described browser is according to the type of intelligent transportation equipment, create the figure that upgrades the intelligent transportation appliance icon, according to the status information of intelligent transportation equipment, the color of intelligent transportation appliance icon is upgraded in dynamic creation, and described appliance icon supports that picture format comprises: bmp, png, gif and jpg.
Intelligent transportation equipment real-time status display system based on WebGIS of the present invention, be with WebGIS (WWW Geographic Information System) technology, Ajax (Asynchronous JavaScript andXML, asynchronous JavaScript and XML, a kind of webpage development technology of creating the interaction network page application) technology and Javascript (a kind of based on object and event driven client script language) technology combine, adopt B/S framework (brower/server, the browser server structure), the background server end adopts GIS (Geographic Information System) technology, dynamically generate the GIS map picture, and acquisition intelligent transportation device location information, classified information and status information, the foreground browser end adopts Ajax technology and Javascript technology, classified information and status information according to the site intelligent transit equipment dynamically generate the intelligent transportation appliance icon, geographical location information according to the site intelligent transit equipment, intelligent transportation appliance icon and GIS map picture is superimposed, in the real-time status of WebGIS page demonstration intelligent transportation equipment.Because of adopting the B/S framework, so the update cycle of real-time update intelligent transportation appliance icon can be less than 1s, reach 500ms, thereby the real-time status of locating and displaying intelligent transportation equipment on the WebGIS page fast and accurately, and amplify, dwindle or during move operation when carrying out map, intelligent transportation appliance icon in the WebGIS page is also amplified accordingly, is dwindled and moves, remain icon sizes and the map size is moderate, can locate the site intelligent transit equipment fast and accurately, show its status information in real time.By browsing the Web page, the supvr is the abnormal information of discovering device in time, and the very first time is safeguarded processing to these equipment, reduces because plant issue causes the influence to traffic, provides sound assurance in order for mankind's activity.
Claims (3)
1. the intelligent transportation equipment real-time status display system based on WebGIS is characterized in that, comprises state acquisition system, GIS server, WEB server, state computation server, real-time data base, WWW, browser;
Described state acquisition system is gathered the intelligent transportation status information of equipment, and described intelligent transportation status information of equipment is sent to WWW;
Described state computation server receives described intelligent transportation status information of equipment and carries out computing by WWW, judges the state that it is current, and result of calculation is stored in the described real-time data base through WWW;
Described GIS server uses the WebGIS technology, and Real-time and Dynamic generates the GIS picture;
Described WEB server, use the Ajax technology, obtain the size of browser map display area through WWW, all the intelligent transportation equipment that comprise of area size dynamic calculation map display area and positional information thereof, type information according to the map, and from real-time data base, obtain the current status information of these intelligent transportation equipment;
Described browser, obtain the GIS picture through WWW, use the Ajax technology to obtain intelligent transportation device location information, type information and the status information that the WEB server obtains through WWW, use the Javascript technology, according to intelligent transportation device type information and status information, the intelligent transportation appliance icon is upgraded in dynamic creation, according to the positional information of intelligent transportation equipment the intelligent transportation appliance icon is added on the GIS map, shows on display.
2. the intelligent transportation equipment real-time status display system based on WebGIS according to claim 1 is characterized in that described browser dynamically updates the color of intelligent transportation appliance icon according to the status information of intelligent transportation equipment.
3. the intelligent transportation equipment real-time status display system based on WebGIS according to claim 1 is characterized in that, described browser is created the figure that upgrades the intelligent transportation appliance icon according to the type of intelligent transportation equipment.
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| CN200910057869.9A CN102005130B (en) | 2009-09-03 | 2009-09-03 | WebGIS (Web Geographic Information System)-based system for displaying real-time state of intelligent transportation equipment |
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| CN200910057869.9A CN102005130B (en) | 2009-09-03 | 2009-09-03 | WebGIS (Web Geographic Information System)-based system for displaying real-time state of intelligent transportation equipment |
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| CN102005130B CN102005130B (en) | 2014-01-22 |
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| CN103366634A (en) * | 2012-03-28 | 2013-10-23 | 嘉兴佳利电子股份有限公司 | Seamless connection method for inserting picture into electronic map |
| CN104202565A (en) * | 2014-08-27 | 2014-12-10 | 上海熙菱信息技术有限公司 | B/S architecture-based real-time status display system for intelligent security equipment |
| CN105335429A (en) * | 2014-08-08 | 2016-02-17 | 国家电网公司 | Electric energy data display method and apparatus |
| CN106781492A (en) * | 2016-12-30 | 2017-05-31 | 迈锐数据（北京）有限公司 | A kind of equipment management system, method and apparatus |
| CN108134815A (en) * | 2017-11-27 | 2018-06-08 | 国网北京市电力公司 | For the control method of electromagnetic field map denotation, device and server |
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| CN102005130B (en) | 2014-01-22 |
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