CN101706826A - Method and system for realizing terminal track playback in network geographic information system - Google Patents
Method and system for realizing terminal track playback in network geographic information system Download PDFInfo
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Abstract
The invention relates to a method for realizing terminal track playback in a network geographic information system. The method comprises the following steps that: a client generates and transmits a track playback request with a track playback parameter in an asynchronous data transmission mode; a server receives the request and processes the data associated with the request to form updated data; a server-side transmits the updated data to the client in the asynchronous data transmission mode; and the client receives the updated data and updates a track image layer. The invention also relates to the network geographic information system. The method and the system for realizing the terminal track playback in the network geographic information system of the invention have the following advantages that: the data transmission amount is less and the transmission time is shorter, because the track playback request and the updated data are both transmitted in the asynchronous data transmission mode, and the image layer to be updated is searched in the server according to the parameter in the request, and return data is formed.
Description
Technical field
The present invention relates to satnav and navigation field, more particularly, relate to a kind of method and system that in network geographic information system (being WebGIS), realize terminal track playback.
Background technology
In call center system, for example, electric power 95598 call centers for fully, effectively utilizing various recovery vehicles, need follow the tracks of, monitor, command and scheduling etc. local electric power first-aid vehicle.Fig. 1 is the structural drawing of a kind of typical electric power call center GIS (Geographic Information System) system.This system generally is made up of gps data acquisition system and GIS application system.For the gps data acquisition system, generally all be that GPS terminal on the recovery vehicle is being installed, the GPS terminal sends to generalized information system gateway with each information such as geographic position constantly with the form of packet by GPRS or cdma wireless network real-time, is carried out subsequent operations such as data forwarding or parsing again by system gateway; For using generalized information system (comprising desktop GIS, WebGIS system etc.), then mainly form by GIS server, database and applications client.
Its function commonly used of generalized information system mainly comprises the following aspects: the amplification of map, dwindle, functions such as translation, roaming and map edit, path analysis, buffer zone analysis.In order further to improve the service efficiency of each recovery vehicle; thereby make local fault can in the shortest time, obtain handling; need to upgrade the position and the state of each recovery vehicle, and carry out trace playback as required, in time adjust various command scheduling strategies.In the prior art, though also can realize above-mentioned each function, be that whole display page is upgraded when it upgrades, so its required time long, finish that to upgrade required network traffics bigger.
Summary of the invention
The technical problem to be solved in the present invention is; above-mentioned required time at prior art is grown, is finished and upgrade the required bigger defective of network traffics, and the method and system that realize terminal track playback in the WebGIS system that a kind of required time is short, flow is less are provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of method that realizes terminal track playback in the WebGIS system, comprise the steps:
A) client produce and send have the trace playback parameter, with the trace playback request of asynchronous data transfer;
B) server receives this request, handles the data relevant with this request and forms more new data;
C) service end with asynchronous data transfer send this more new data to described client;
D) client receives described more new data and upgrades the trajectory diagram layer.
In method of the present invention, described steps A) further comprise the steps:
A1) terminal iidentification that need carry out trace playback is set;
A2) zero-time and the concluding time of trace playback are set;
A3) validity of the parameter of the described setting of check;
A4) the trace playback request of generation asynchronous data transfer form.
In method of the present invention, described step B) further comprise the steps:
B1) server receives and resolves the request that described client is sent;
B2) the activity diagram layer of whois lookup on it;
B3) server connects its database, obtains the desired data of request according to the parameter of described request;
B4) server forms return data.
In method of the present invention, the described request parameter comprises: terminal iidentification ID, client user's login ID, track initial time and track concluding time; Described activity diagram layer comprises map layer, interim figure layer and dynamic layer.
In method of the present invention, described data comprise the tracing point of requested terminal, and it comprises the time of the generation of this point, residing longitude and latitude.
In method of the present invention, described step B3) further comprise the steps:
B31) the interim figure layer of client user ID correspondence in the whois lookup described request, if any, remove the content in this figure layer; As not having, create the interim figure layer of a described user ID correspondence;
B32) its database of whois lookup is found out corresponding track data according to terminal iidentification ID, track initial time and track concluding time;
B33) described data are added in the described interim figure layer, and arrange by the priority of its generation time.
In method of the present invention, described step D) further comprise:
D1) client receives asynchronous transfer of data and the parsing that described server sends;
D2) client is according to its current trajectory diagram layer data of its Data Update that receives.
The invention still further relates to a kind of WebGIS system, this system comprises server and is connected client on the server that described client comprises:
Trace playback request generation device: be used to be provided with desired trajectory parameters, and send to the trace playback request of described server by set parameter generating in the asynchronous data transfer mode;
Data sink: be used for receiving and resolution server responds described trace playback request institute return data, and according to the corresponding figures layer on the described client of this Data Update.
In system of the present invention, the trace playback device of described client comprises that further the terminal recognition ID that is used to be provided with the Termination ID of its track of playback of wanting is provided with the unit, is used to be provided with the parameter authentication unit that the track initial of start time of the trace playback that requires and concluding time and concluding time are provided with unit, the set parameter correctness of checking.
In system of the present invention, described server comprises:
The figure layer is searched and clearing cell: be used to search all current on described server activity diagram layers, and the pairing interim figure layer of the user ID that is comprised in the described trace playback request is emptied or create an interim figure layer corresponding with described user ID;
Data searching unit: be used for meeting at the database lookup of described server the data of parameter in the described trace playback request, described parameter comprises terminal iidentification ID, client user's login ID, track initial time and track concluding time; Described data content comprises: the time of generation, residing longitude and latitude;
The data sorting unit: be used for data that described data searching unit is found according to its time by the order after arriving first with above-mentioned data ordering;
Data adding device: be used for the data after the described data sorting unit cell arrangement are labelled, and described data added the pairing interim figure layer of described user ID successively, obtain the trace playback figure according to the ascending order of sign.
Implement the method and system that in the WebGIS system, realize the client trace playback of the present invention; have following beneficial effect: new data all sends in the asynchronous data transfer mode because its trace playback request reaches more; and in server, search the figure layer that needs renewal and form return data, so its transmitted data amount is less, the transmission time is shorter according to the parameter in its request.
Description of drawings
Fig. 1 is the structural representation of electric power call center generalized information system in the prior art;
Fig. 2 is that the present invention realizes method flow diagram among the method and system embodiment of terminal track playback in the WebGIS system;
Fig. 3 is a client terminal structure synoptic diagram in the described embodiment system;
Fig. 4 is a server architecture synoptic diagram in the described embodiment system.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1; in the WebGIS system, realize among the method and system embodiment of terminal track playback in the present invention; its system architecture does not have different places with system architecture of the prior art; in the present embodiment; unlike the prior art be that wherein server is different with the mode of client communication and Data Update (promptly realizing terminal track playback), and for the method that realizes its trace playback difference is arranged on the corresponding construction that must have.In Fig. 1, comprise and be installed in GPS terminal 91 on the electric power first-aid car, satellite 92, GPRS or cdma wireless network 93, GIS gateway 94, GIS database 95, GIS server 96 and client 97, wherein terminal 91 is installed on the vehicle, and move with vehicle, its receiving satellite signal, be converted into latitude and longitude information, and be sent to GIS gateway 94 by GPRS or cdma network, deliver to GIS database 95 via above-mentioned GIS gateway 94, and server 96 can be connected with above-mentioned GIS database 95, obtains the relevant information of each terminal 91 by this database 95.Simultaneously, on above-mentioned server 96, also be connected with a plurality of clients 97 by network, the user can obtain the related data of each terminal by logon server 96 on client 97.
In the embodiment of the invention shown in Fig. 2, realize the method flow diagram of terminal track playback, it comprises the steps:
Step S11 is provided with the terminal iidentification that needs trace playback: in the present embodiment; step S11 takes place on client to step S14; step S15 takes place on server to step S20; and step S21 and step S22 take place on above-mentioned client; above steps is added up; exactly client and server cooperatively interact, corresponding mutually, thereby finish one by obtaining data on the server, on client, realizing the process of terminal track playback.In this step, the terminal iidentification that need realize terminal track playback thereon is set on client.Owing to there are a plurality of terminals in this generalized information system, these terminals are installed on the vehicle and with vehicle and move, and the residing geographical location information of its different time all is sent in the above-mentioned database by CDMA or GPRS network.Therefore, which in above-mentioned a plurality of terminal be the terminal of this trace playback of needs definition be.Therefore identification, in this step, be provided with the terminal number that this need carry out its trace playback exactly because the terminal in above-mentioned generalized information system all has numbering.
Step S12 is provided with the starting time and the concluding time of trace playback: in this step, the start time (zero-time) and the concluding time of this terminal track playback are set, a time period promptly is set, and this terminal geographic positional information is qualified in this time period; Other geographical location information will be left in the basket in this trace playback.
Step S13 checks the validity of set parameter: check in the above-mentioned steps set parameter whether be that reasonably for example, whether the terminal iidentification of setting is a non-existent sign, whether the time parameter of setting reasonable etc.; If the validity of the parameter that is provided with is not right, then returns and reset.
Step S14 generates the trace playback request of asynchronous data transfer: in this step; generate the trace playback request with above-mentioned setting and through the parameter of verifying; send to server by above-mentioned client. in the present embodiment; this trace playback request is the request of an AJAX asynchronous data transfer; this request comprises the content of parameter of above-mentioned setting; in the present embodiment; these parameters comprise terminal iidentification ID; the starting and ending time; in the User login ID. parameter first three is individual to be provided with in above-mentioned steps; and User login ID need not be provided with; it will be imported when accessing server by customer end, therefore, and in this step; this parameter need not be provided with, and directly it is accessed use and gets final product. and this request sends to server by XMLHttpRequest or Microsoft XMLHTTP mode with the parameter of above-mentioned trace playback request and setting.
Step S15 receives and resolves the request that terminal is sent: in this step, server (being the GIS server) is the ArcIMS server, the AJAX asynchronous data transfer request that the above-mentioned client of this reception of this server is sent with XMLHttpRequest or Microsoft XMLHTTP mode, the parameter that obtains its request and have.In addition, server is resolved the request msg of its acceptance and is judged, if its request of the parameter indicating of obtaining is not a trace playback, then calls other handling procedure; If its this request of parameter indicating of obtaining is the trace playback request, then carry out next step.
Step S16 searches current active figure layer: the figure layer of current all activities on this server of whois lookup comprises map layer, interim figure layer and dynamic layer
Step S17 searches the interim figure layer of user's correspondence, if any, then empty; As not having, then create: whether the interim figure layer of judging described user ID exists, if then empty this interim figure layer data, otherwise is that uniquely identified is schemed layer temporarily with newly-built one with this user ID;
Step S18 connects database, searches the track data corresponding with parameter: in this step, server connects database, and goes out in current database this terminal at the track data of this section in the time according to the parameter query of trace playback request; These data messages comprise concrete time, longitude and the latitude of the generation of each tracing point, and the priority of these data by the concrete time of above-mentioned generation sorted; Certainly, if do not have satisfactory track data in the database then directly return one section error message of presetting, the result that expression is searched.
Step S19 arranges described track and adds interim figure layer to by the time: in this step, the track data that the rapid inquiry of previous step is obtained adds in this user's into the interim figure layer, form a series of tracing point, and upgrade, and other figure layers do not upgrade; Tracing point in the described interim figure layer is that the GraphicElement among the GraphicsLayer (graph layer) wants vegetarian refreshments, starting point in these tracing points sign is changed to 1, and distinguished and identified to increase progressively integer, thereafter tracing point adds one according to the time order and function order backward, and integer can clearly draw this GPS terminal (also being the electric power first-aid vehicle) mobile alignment within a certain period of time in proper order thus.
Step S20 forms the return data of trace playback request and sends: in this step, server will upgrade back GraphicsLayer trajectory diagram layer and generate return data; And this return data sent to the above-mentioned client of sending the trace playback request.What deserves to be mentioned is that server sends to above-mentioned return data in the mode of AJAX asynchronous data transfer the client of request.
The asynchronous data that step S21 reception server is sent is also resolved: in this step, the above-mentioned client of sending trace playback receives the return data of being sent by server, and takes out this data.
Step S22 utilizes and receives to such an extent that data are upgraded its trajectory diagram layer: in this step, the return data that this client utilization obtains upgrades the trajectory diagram layer data in the current page, is illustrated in the motion track of designated terminal in the setting-up time section.Certainly, in this step, just upgrade the trajectory diagram layer data of current page, and other figure layers do not upgrade.
In the present embodiment, also relate to a kind of WebGIS system, this system comprises server and the client that is connected with described server, this system can realize the playback of terminal track with less volume of transmitted data, short time on client. as shown in Figure 3, in this system, above-mentioned client 1 comprises: trace playback request generation device 12, this device is used to be provided with desired trajectory parameters, and sends to the trace playback request of server 2 in the asynchronous data transfer mode by set parameter generating; Wherein, trace playback device 12 comprises that further the terminal recognition ID that is used to be provided with the Termination ID of its track of playback of wanting is provided with unit 121, is used to be provided with the parameter authentication unit 123 that the track initial of start time of the trace playback that requires and concluding time and concluding time are provided with unit 122 and are used to verify set parameter correctness; In addition, trace playback request generation device 12 also comprises data sink 11, and this data sink 11 is used for receiving and the described trace playback request of resolution server 2 responses institute return data, and according to the corresponding figures layer on this Data Update client 1.
As shown in Figure 4, Fig. 4 shows the structure of server 2 in the said system in the present embodiment, in in transit 4, server 2 comprises: the figure layer is searched and clearing cell 21, this unit is used to search all current on the server 2 activity diagram layers, and the pairing interim figure layer of the user ID that is comprised in the above-mentioned trace playback request is emptied (when finding the pairing interim figure layer of this user ID) or create an interim figure layer corresponding with this user ID (when not finding the pairing interim figure layer of this user ID); Data searching unit 12, this unit is used at the database of server 2 (not shown, referring to Fig. 1) search the data that meet parameter in the described trace playback request, these parameters comprise terminal iidentification ID, client user's login ID, track initial time and track concluding time; And the content of these data comprises: the time of generation, residing longitude and latitude; Data sorting unit 23, the data that are used for data searching unit 22 is found were arranged it by the order after arriving first according to its time; Data adding device 24 is used for the data after 23 arrangements of data sorting unit are labelled, and according to the ascending order of sign described data is added the pairing interim figure layer of this user ID successively, obtains the trace playback figure.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a method that realizes terminal track playback in network geographic information system is characterized in that, comprises the steps:
A) client produce and send have the trace playback parameter, with the trace playback request of asynchronous data transfer;
B) server receives this request, handles the data relevant with this request and forms more new data;
C) service end with asynchronous data transfer send this more new data to described client;
D) client receives described more new data and upgrades the trajectory diagram layer.
2. the method that realizes terminal track playback in network geographic information system according to claim 1 is characterized in that described steps A) further comprise the steps:
A1) terminal iidentification that need carry out trace playback is set;
A2) zero-time and the concluding time of trace playback are set;
A3) validity of the parameter of the described setting of check;
A4) the trace playback request of generation asynchronous data transfer form.
3. the method that realizes terminal track playback in network geographic information system according to claim 2 is characterized in that described step B) further comprise the steps:
B1) server receives and resolves the request that described client is sent;
B2) the activity diagram layer of whois lookup on it;
B3) server connects its database, obtains the desired data of request according to the parameter of described request;
B4) server forms return data.
4. the method that realizes terminal track playback in network geographic information system according to claim 3 is characterized in that the described request parameter comprises: terminal iidentification ID, client user's login ID, track initial time and track concluding time; Described activity diagram layer comprises map layer, interim figure layer and dynamic layer.
5. the method that realizes terminal track playback in network geographic information system according to claim 4 is characterized in that described data comprise the tracing point of requested terminal, and it comprises the time of the generation of this point, residing longitude and latitude.
6. the method that realizes terminal track playback in network geographic information system according to claim 5 is characterized in that described step B3) further comprise the steps:
B31) the interim figure layer of client user ID correspondence in the whois lookup described request, if any, remove the content in this figure layer; As not having, create the interim figure layer of a described user ID correspondence;
B32) its database of whois lookup is found out corresponding track data according to terminal iidentification ID, track initial time and track concluding time;
B33) described data are added in the described interim figure layer, and arrange by the priority of its generation time.
7. the method that realizes terminal track playback in network geographic information system according to claim 6 is characterized in that described step D) further comprise:
D1) client receives asynchronous transfer of data and the parsing that described server sends;
D2) client is according to its current trajectory diagram layer data of its Data Update that receives.
8. a network geographic information system comprises server and the client that is connected with this server, it is characterized in that described client comprises:
Trace playback request generation device: be used to be provided with desired trajectory parameters, and send to the trace playback request of described server by set parameter generating in the asynchronous data transfer mode;
Data sink: be used for receiving and resolution server responds described trace playback request institute return data, and according to the corresponding figures layer on the described client of this Data Update.
9. system according to claim 8; it is characterized in that the trace playback device of described client comprises that further the terminal recognition ID that is used to be provided with the Termination ID of its track of playback of wanting is provided with the unit, is used to be provided with the parameter authentication unit that the track initial of start time of the trace playback that requires and concluding time and concluding time are provided with unit, the set parameter correctness of checking.
10. system according to claim 9 is characterized in that, described server comprises:
The figure layer is searched and clearing cell: be used to search all current on described server activity diagram layers, and the pairing interim figure layer of the user ID that is comprised in the described trace playback request is emptied or create an interim figure layer corresponding with described user ID;
Data searching unit: be used for meeting at the database lookup of described server the data of parameter in the described trace playback request, described parameter comprises terminal iidentification ID, client user's login ID, track initial time and track concluding time; Described data content comprises: the time of generation, residing longitude and latitude;
The data sorting unit: be used for data that described data searching unit is found according to its time by the order after arriving first with above-mentioned data ordering;
Data adding device: be used for the data after the described data sorting unit cell arrangement are labelled, and described data added the pairing interim figure layer of described user ID successively, obtain the trace playback figure according to the ascending order of sign.
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| CN200910303216A CN101706826A (en) | 2009-06-12 | 2009-06-12 | Method and system for realizing terminal track playback in network geographic information system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975579A (en) * | 2010-09-30 | 2011-02-16 | 深圳市同洲电子股份有限公司 | Method and system for replaying vehicle track and vehicle-mounted monitoring device |
| CN102521328A (en) * | 2011-12-06 | 2012-06-27 | 上海京颐信息科技有限公司 | Optimization method for track playback function in indoor positioning system |
| CN103559009A (en) * | 2013-10-30 | 2014-02-05 | 浙江省公众信息产业有限公司 | Geographic information terminal and geographic information presentation method |
| CN105594235A (en) * | 2016-01-04 | 2016-05-18 | 薛俊华 | A navigation advertisement pushing system based on geographic positions |
| CN105589782A (en) * | 2014-10-22 | 2016-05-18 | 中国银联股份有限公司 | User behavior collection method based on browser |
| CN106897300A (en) * | 2015-12-18 | 2017-06-27 | 方正国际软件(北京)有限公司 | The player method and device of a kind of track data |
| CN107633049A (en) * | 2017-09-18 | 2018-01-26 | 中国民航大学 | Flight positional information playback system and back method |
| CN108932264A (en) * | 2017-05-26 | 2018-12-04 | 腾讯科技（深圳）有限公司 | The determination method, apparatus and storage medium of navigation problem |
| CN109033400A (en) * | 2018-08-02 | 2018-12-18 | 江苏本能科技有限公司 | Vehicle pass-through methods of exhibiting and system based on map |
| CN110633343A (en) * | 2019-08-06 | 2019-12-31 | 苏州科达科技股份有限公司 | Display method and device of moving path |
| CN110858223A (en) * | 2018-08-24 | 2020-03-03 | 比亚迪股份有限公司 | Playback method, system, server and client based on database |
| CN110909418A (en) * | 2019-11-14 | 2020-03-24 | 北京润科通用技术有限公司 | Flight simulation data processing method and device |
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| CN101975579B (en) * | 2010-09-30 | 2012-11-28 | 深圳市同洲电子股份有限公司 | Method and system for replaying vehicle track and vehicle-mounted monitoring device |
| CN101975579A (en) * | 2010-09-30 | 2011-02-16 | 深圳市同洲电子股份有限公司 | Method and system for replaying vehicle track and vehicle-mounted monitoring device |
| CN102521328A (en) * | 2011-12-06 | 2012-06-27 | 上海京颐信息科技有限公司 | Optimization method for track playback function in indoor positioning system |
| CN103559009A (en) * | 2013-10-30 | 2014-02-05 | 浙江省公众信息产业有限公司 | Geographic information terminal and geographic information presentation method |
| CN105589782B (en) * | 2014-10-22 | 2018-09-04 | 中国银联股份有限公司 | User behavior acquisition method based on browser |
| CN105589782A (en) * | 2014-10-22 | 2016-05-18 | 中国银联股份有限公司 | User behavior collection method based on browser |
| CN106897300A (en) * | 2015-12-18 | 2017-06-27 | 方正国际软件(北京)有限公司 | The player method and device of a kind of track data |
| CN105594235B (en) * | 2016-01-04 | 2019-03-26 | 薛俊华 | Navigation ad supplying system based on geographical location |
| WO2017117703A1 (en) * | 2016-01-04 | 2017-07-13 | 薛俊华 | Navigation advertisement pushing system based on geographical location |
| CN105594235A (en) * | 2016-01-04 | 2016-05-18 | 薛俊华 | A navigation advertisement pushing system based on geographic positions |
| CN108932264A (en) * | 2017-05-26 | 2018-12-04 | 腾讯科技（深圳）有限公司 | The determination method, apparatus and storage medium of navigation problem |
| CN107633049A (en) * | 2017-09-18 | 2018-01-26 | 中国民航大学 | Flight positional information playback system and back method |
| CN107633049B (en) * | 2017-09-18 | 2020-10-09 | 中国民航大学 | Flight position information playback system and method |
| CN109033400A (en) * | 2018-08-02 | 2018-12-18 | 江苏本能科技有限公司 | Vehicle pass-through methods of exhibiting and system based on map |
| CN109033400B (en) * | 2018-08-02 | 2021-09-21 | 江苏本能科技有限公司 | Map-based vehicle passing display method and system |
| CN110858223A (en) * | 2018-08-24 | 2020-03-03 | 比亚迪股份有限公司 | Playback method, system, server and client based on database |
| CN110858223B (en) * | 2018-08-24 | 2023-09-05 | 比亚迪股份有限公司 | Playback method, system, server and client based on database |
| CN110633343A (en) * | 2019-08-06 | 2019-12-31 | 苏州科达科技股份有限公司 | Display method and device of moving path |
| CN110909418A (en) * | 2019-11-14 | 2020-03-24 | 北京润科通用技术有限公司 | Flight simulation data processing method and device |
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Application publication date: 20100512 |