CN112158228B - Coordinate display method and system for carriage screen navigation service - Google Patents
Coordinate display method and system for carriage screen navigation service Download PDFInfo
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- CN112158228B CN112158228B CN202010961941.7A CN202010961941A CN112158228B CN 112158228 B CN112158228 B CN 112158228B CN 202010961941 A CN202010961941 A CN 202010961941A CN 112158228 B CN112158228 B CN 112158228B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/009—On-board display devices
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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
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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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
- G06F16/80—Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
Abstract
The embodiment of the invention provides a coordinate display method and a system for carriage screen navigation service, which comprises the following steps: sending a navigation coordinate loading request to a server side before a train is about to arrive at a platform; receiving navigation coordinate data sent by the server side; determining a navigation coordinate graph displayed on a carriage screen at each vehicle door according to the navigation coordinate data and the position information of each vehicle door in the carriage; and displaying the navigation coordinate graph by using the carriage screen. According to the coordinate display method and system for the carriage screen navigation service, provided by the embodiment of the invention, the communication connection between each carriage and the server side is established, the navigation coordinate graph corresponding to each different vehicle door is configured in real time, the relative navigation coordinate information of each platform device can be displayed for passengers, the differential display of navigation contents is ensured, and the intelligent and efficient outbound navigation service is provided for the passengers.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a coordinate display method and a system for carriage screen navigation service.
Background
When a subway enters a station, the navigation information can be displayed by utilizing the dynamic map above the door, including displaying the position picture of the corresponding platform equipment.
For example, a passenger terminal guidance system is disclosed in the prior art, which includes a terminal database, a data interface module, a micro positioning module, a task module, a route planning module, and a display module. The main scheme comprises the following steps: the terminal database stores flight, terminal, gate, commercial tenant and satellite navigation data in advance. The method comprises the steps of receiving data called by a re-navigation station building in a wireless mode, determining information such as walking route layout, boarding gate positions and merchant positions according to the topography of the airport station building, determining the optimal walking route by comparing the optimal walking route with the current position of a user, and displaying the optimal walking route by a display module.
Therefore, in the conventional train carriage screen navigation service method, the device position navigation information of the platform is generally uniformly displayed on all carriage screens according to the platform to which the train is about to arrive, so that passengers cannot accurately obtain accurate navigation guidance according to the position of the passengers, and the user experience is poor.
In view of the above, the existing train navigation service system and service method are continuously improved to provide more accurate navigation service for passengers.
Disclosure of Invention
The embodiment of the invention provides a coordinate display method and a system of a carriage screen navigation service, which are used for solving the defects of inaccurate positioning and poor passenger experience caused by the fact that a unified navigation service is displayed on all carriage screens in the prior art, and realizing the purpose of providing personalized navigation service for users.
In a first aspect, an embodiment of the present invention provides a coordinate display method for car screen navigation service, which mainly includes: sending a navigation coordinate loading request to a server at a preset time before a train arrives at a platform; receiving navigation coordinate data sent by the server side; determining a navigation coordinate graph displayed on a carriage screen at each vehicle door according to the navigation coordinate data and the position information of each vehicle door in each carriage; and displaying the navigation coordinate graph by using the carriage screen.
Optionally, before the train is about to arrive at the platform, a navigation coordinate loading request is sent to the server, and the method mainly includes: at a preset moment before the train reaches the platform, each carriage respectively sends a navigation coordinate loading request to a server; the navigation coordinate loading request mainly comprises train line information, platform position information and carriage position information.
Optionally, the coordinate display method of the car screen navigation service provided by the embodiment of the present invention may further include: a navigation coordinate information base is constructed in advance at a server side in an xml format data organization mode; the navigation coordinate information base comprises relative coordinate information of all station equipment in uplink and downlink; the relative coordinate information of each station device includes a device name, a relative coordinate value of the device, a device direction, and a relative coordinate value including a display of the device name.
Optionally, the receiving the navigation coordinate data sent by the server mainly includes: each carriage receives navigation coordinate data sent by a server side; the navigation coordinate data is obtained by the server side after matching from the navigation coordinate information base according to the train line information, the platform position information and the carriage position information sent by each train.
Optionally, the determining the navigation coordinate map displayed on the car screen at each door according to the navigation coordinate data and the position information of each door in the car mainly includes: each carriage analyzes the navigation coordinate data in the xml format respectively to obtain the relative coordinate information of all platform equipment corresponding to the carriage position; and acquiring relative coordinate information of all platform equipment at each vehicle door according to the position information of the vehicle door so as to determine a navigation coordinate graph displayed on a carriage screen at the vehicle door.
Optionally, the navigation coordinate map mainly includes current route information, transfer information, next platform information, door opening side information, congestion degree information, and navigation information of the platform device of the train.
In a second aspect, an embodiment of the present invention further provides a coordinate display system for car screen navigation service, including: the system comprises a loading request sending unit, a navigation data receiving unit, a navigation coordinate map positioning unit and a carriage screen; the loading request sending unit is mainly used for sending a navigation coordinate loading request to the server at a preset time before the train arrives at the platform; the navigation data receiving unit is mainly used for receiving navigation coordinate data sent by the server; the navigation coordinate graph positioning unit is mainly used for determining a navigation coordinate graph displayed on a carriage screen at each carriage according to the navigation coordinate data and by combining the position information of each carriage door in each carriage; and the carriage screen is used for displaying the navigation coordinate graph.
Optionally, the loading request sending unit and the navigation data receiving unit perform data interaction with the server based on a C/S software architecture and in an http communication manner.
In a third aspect, an embodiment of the present invention further provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the coordinate display method of the car screen navigation service as described in any one of the above when executing the program.
In a fourth aspect, embodiments of the present invention further provide a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of the coordinate display method of the car screen navigation service as described in any one of the above.
According to the coordinate display method and system for the carriage screen navigation service, provided by the embodiment of the invention, the communication connection between each carriage and the server side is established, the navigation coordinate graph corresponding to each different vehicle door is configured in real time, the relative navigation coordinate information of each platform device can be displayed for passengers, the differential display of navigation contents is ensured, and the intelligent and efficient outbound navigation service is provided for the passengers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flowchart of a coordinate display method of a car screen navigation service according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a picture of a platform device displayed by the car screen navigation service according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating comparison between before and after reconfiguration of device navigation information by using a coordinate display method of car screen navigation service according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of data instruction interaction in a coordinate display method of car screen navigation service according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a coordinate display system of a car screen navigation service according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a communication connection relationship between unit modules in a coordinate display of a car screen navigation service according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a coordinate display method of a car screen navigation service, which comprises the following steps of but not limited to the following steps as shown in figure 1:
step S1: sending a navigation coordinate loading request to a server at a preset time before a train arrives at a platform;
step S2: receiving navigation coordinate data sent by a server side;
step S3: determining a navigation coordinate graph displayed on a carriage screen at each vehicle door according to the navigation coordinate data and by combining the position information of each vehicle door in each carriage;
step S4: and displaying the navigation coordinate graph by using a carriage screen.
Specifically, according to the coordinate display method of the car screen navigation service provided by the embodiment of the invention, the coordinate information of the specific navigation service can be configured in advance according to the running route of the train and the set position relationship of the relevant platform equipment of each target platform, and the navigation coordinate information base is established, so that the coordinate information of the corresponding navigation service is sent to the car screen at each car door in each car according to the navigation coordinate loading request sent by the train, and efficient and personalized navigation information is provided for passengers.
First, in step S1, at any time during the time period when the train passes through one platform and drives to the next platform (referred to as a target platform), a navigation coordinate loading request may be sent by the train to the remote server side in a unified manner to request real-time loading of the navigation coordinate data of the target platform.
Alternatively, each train car may send a navigation coordinate loading request to the server side. Or respectively sending a navigation coordinate loading request to a server side by a carriage screen distributed at each vehicle door in each train carriage so as to request real-time loading of navigation coordinate data of the target platform.
And after receiving the navigation coordinate loading request, the remote server side sends navigation coordinate data corresponding to each navigation coordinate loading request to a sending end of the navigation coordinate loading request.
For example, if the navigation coordinate loading request is sent by the train a, the navigation coordinate data corresponding to the target platform of the train a is sent to the train a; and if the navigation coordinate loading request is sent by the train B, sending navigation coordinate data corresponding to the target platform of the train B to the train B. For another example, if the navigation coordinate loading request is sent by the K cars of the a train, the navigation coordinate data corresponding to the target platform of the a train is sent to the K cars of the a train. Or if the navigation coordinate loading request is sent by the carriage screen positioned at the 4 th door of the K carriages of the A train, the navigation coordinate data corresponding to the target platform of the A train is sent to the carriage screen positioned at the 4 th door of the K carriages of the A train.
Further, after the sending end of the navigation coordinate loading request receives the navigation coordinate data, a corresponding navigation coordinate graph is generated according to the received navigation coordinate data of the target platform and the position of each vehicle door, and the navigation coordinate graph is displayed on a carriage screen arranged at the vehicle door.
For example, if the navigation coordinate loading request is transmitted from the train a, the onboard computer of the train generates a navigation coordinate map corresponding to each door based on the navigation coordinate data and the position information of each train door, and transmits the navigation coordinate map to each car screen dispersedly installed in each car. Since the position information of each door is relatively fixed every time the train arrives at the station, the position information of the door can be pre-stored in each vehicle-mounted computer in advance. When the navigation coordinate graph is generated every time, data calling is only needed according to the train number, the carriage number and the door number of the train.
If the navigation coordinate loading request is sent by the K carriages of the A train, a navigation coordinate graph corresponding to each train door can be generated by a data processing unit arranged in each train carriage according to the navigation coordinate data and the position information of each train door and sent to each carriage screen in the carriage.
If the navigation coordinate loading request is sent by a carriage screen at the 4 th door of the K carriages of the A train, a corresponding navigation coordinate graph can be generated at the server side directly according to the position information of the door and sent to the carriage screen.
Fig. 2 is a schematic diagram of a platform device picture displayed by the car screen navigation service according to an embodiment of the present invention, as shown in fig. 2, if a passenger is located at a first door of a second car, a navigation coordinate map (referred to as a first navigation coordinate map for short) displayed on a car screen of the door may be obtained, where the first navigation coordinate map shows a current position of the passenger (you are here), a relative coordinate position of each platform device in the platform (e.g., a relative coordinate of a device a, a distance from a straight elevator to the current door, etc.), door opening side information (a current side door or an opposite side door opening), congestion degree information, transfer information, route information, etc., and information displayed in the first navigation coordinate map is determined based on position information of the first door of the second car.
Similarly, if the passenger is located at the second door of the third section of the car, another navigation coordinate graph (referred to as the second navigation coordinate graph for short) displayed on the screen of the car of the third section of the car can be acquired. The second navigation coordinate map is different from the first navigation coordinate map in that the current position of the passenger, the relative coordinate position of each platform device in the platform, the door opening side information, and the like displayed thereon are determined according to the position information of the second door of the third car.
According to the coordinate display method of the carriage screen navigation service, provided by the embodiment of the invention, the communication connection between each carriage and the server is established, the navigation coordinate graph corresponding to each different vehicle door is configured in real time, the relative navigation coordinate information of each platform device can be displayed for passengers, the differential display of navigation contents is ensured, and the intelligent and efficient outbound navigation service is provided for the passengers.
Based on the content of the foregoing embodiment, as an alternative embodiment, the step S1 of sending the navigation coordinate loading request to the server end immediately before the train arrives at the platform includes, but is not limited to: at a preset moment before the train reaches the platform, each carriage respectively sends a navigation coordinate loading request to a server; the navigation coordinate loading request includes train line information, platform position information, and car position information.
As an alternative embodiment, the preset time immediately before the train reaches the platform may be set according to actual situations, for example: after the train leaves the current platform, a navigation coordinate loading request is sent to the server side to request to acquire navigation coordinate data of the next platform. Or after the train drives away from the current platform, when the form distance from the next platform or the driving time is a certain preset value, a navigation coordinate loading request is automatically sent to the server side.
Further, train line information, platform position information, and car position information are included in each navigation coordinate loading request.
The train route information refers to the current running route information of the train, and the route information can be inquired and obtained according to the train number and by combining with the running scheduling schedule of the train. The platform location information may include information about the current platform of the train or information about the next platform to arrive, such as the platform name, the platform number, etc. The car position information may be the number of cars that are located on the current train, such as the jth car on train a.
Further, the navigation coordinate loading request may further include vehicle door position information, such as: and the Nth door of the J-th compartment on the train A. Because the stop position of the train after each arrival is generally fixed, the position information of each door can be directly determined according to the train number, the serial number of the carriage and the position of the door on the train.
After receiving a navigation coordinate loading request carrying train line information, platform position information and carriage position information, the server side can match corresponding navigation coordinate data according to the navigation coordinate loading request and send the navigation coordinate data to the request side, and the request side generates and respectively displays corresponding navigation coordinate graphs according to different positions of each vehicle door.
According to the coordinate display method of the carriage screen navigation service, provided by the embodiment of the invention, each carriage downloads the navigation coordinate data of the target platform corresponding to the carriage from the server side, and then different navigation coordinate graphs are generated according to different position information of each vehicle door in the carriage so as to provide personalized and accurate navigation service for passengers at different vehicle doors, so that the experience of customers is improved.
Based on the content of the foregoing embodiment, the coordinate display method of the car screen navigation service provided by the embodiment of the present invention may further include:
a navigation coordinate information base is pre-constructed at the server end by adopting a data organization mode in an xml format; the navigation coordinate information base comprises relative coordinate information of all station equipment in uplink and downlink; the relative coordinate information of each station device includes a device name, a relative coordinate value of the device, a device direction, and a relative coordinate value including a display of the device name.
In the current train display navigation service method, navigation information is also dynamically displayed above a train door in the form of a platform device picture, but the picture navigation mode in the current navigation service method generally has the following defects, which are mainly expressed in that: 1) poor portability, and heavy transplantation work caused by the fact that a client needs to recompile programs when platform equipment is changed or subway lines are switched; 2) software upgrading is difficult, and when platform equipment is changed or subway lines are switched, navigation display diagrams of all screen clients need to be replaced, so that upgrading and maintenance work is heavy.
The coordinate display method of the carriage screen navigation service provided by the embodiment of the invention overcomes the defects of the existing scheme, can configure the coordinate information of the specific navigation service according to the specific route and the specific platform equipment, and provides efficient navigation information for passengers. The coordinate information of all navigation equipment is configured at the server side, the client side obtains the equipment coordinate information of each target platform in real time, and the targeted navigation coordinate information is displayed on a carriage screen at each vehicle door according to the carriage position and the vehicle door position of the client side. The server end used for prestoring the navigation coordinate information can be flexibly configured, and the screen client end can be flexibly displayed, so that the problem of portability is solved, and the work of software upgrading is simplified.
Specifically, in the embodiment of the invention, in order to realize the configurable navigation coordinate service of the carriage screen, the implementation of the configuration function is divided into two parts, namely a server side and a carriage screen client side, the server side provides configurable navigation coordinate information, and the carriage screen client side acquires and analyzes the navigation coordinate information and displays the relative position of the navigation coordinate information by using different icons.
The navigation coordinates of the server can be stored in an xml data organization mode. The data composition form of xml is selected mainly for the following reasons: 1) because the xml uses a group of marks to describe data elements, each element encapsulates data which can be very simple or very complex, so that the xml has strong data expression capability and is suitable for storing navigation coordinate information; 2) xml is a simple, platform independent and widely adopted standard. The navigation coordinate information is expressed and stored by using the xml, so that the standardization of data can be realized, and the multi-language and cross-platform data transplantation is facilitated.
In the data organization form of the navigation coordinates of xml, each device information node mainly includes: device name (e.g., escape, etc.), xy-axis coordinate values (x, y) of the device, device orientation (direction), xy-axis coordinate values (txtx, txty) of the device name display.
Because the xml configuration information contains the relative coordinate information of all the station equipment in the uplink and the downlink, when the line is changed, the switching of the train line can be realized only by reconfiguring the coordinate information in the xml table.
Specifically, as shown in fig. 3, in the embodiment of the present invention, after the server side changes the coordinate information of the platform device that needs to be reconfigured in the navigation coordinate information base stored in the xml format, and after receiving a navigation coordinate loading request next time, the server side matches the navigation coordinate data in the navigation coordinate information base after updating the configuration according to the navigation coordinate loading request, without performing one-to-one correction on the navigation display map of each screen client, so that while manpower and material resources are effectively saved, flexible configuration of the navigation coordinate information is achieved, and efficiency and accuracy of car screen navigation service are improved.
The coordinate display method of the carriage screen navigation service provided by the embodiment of the invention adopts a data organization mode in an XML format to pre-construct and modify a navigation coordinate information base at a server side, can realize the flexibility and the matching of navigation coordinate information, simultaneously keeps the differentiated display of navigation contents, and provides more intelligent and efficient outbound navigation service for passengers.
Based on the content of the foregoing embodiment, as an alternative embodiment, the receiving of the navigation coordinate data sent by the server side in step S2 includes: each carriage receives navigation coordinate data sent by a server side; the navigation coordinate data is obtained by the server side after matching from the navigation coordinate information base according to the train line information, the platform position information and the carriage position information sent by each train.
Specifically, in the embodiment of the present invention, each car may send a navigation coordinate loading request to the server, and after receiving the navigation coordinate loading request, the server matches navigation coordinate data corresponding to the position of each car from a pre-stored navigation coordinate information base according to train line information, platform position information, and car position information carried in the navigation coordinate loading request. The navigation coordinate data mainly relates to navigation coordinate data of a next station to be reached, and includes train route information, transfer information of the next station, next station information, door opening side information, congestion degree information, infrastructure navigation information (including relative coordinate information of each infrastructure and station equipment in the next station), and the like.
In the embodiment of the present invention, the collected location information may be displayed through the relative coordinate information, and any reference object may be selected as a coordinate center of the plane rectangular coordinate data, for example, in the embodiment of the present invention, an entry port or an exit port located at each platform may be used as a coordinate center, or the whole road-office-level railway system may be used as a whole, and the road-office center is used as a relative coordinate center of the whole, which is not limited in the embodiment of the present invention.
Based on the content of the foregoing embodiment, as an alternative embodiment, the determining the navigation coordinate map displayed on the car screen at each door according to the navigation coordinate data and the position information of each door in the car in step S3 specifically includes: each carriage analyzes the navigation coordinate data in the xml format respectively to obtain the relative coordinate information of all platform equipment corresponding to the carriage position; and acquiring relative coordinate information of all platform equipment at each vehicle door according to the position information of the vehicle door so as to determine a navigation coordinate graph displayed on a carriage screen at the vehicle door.
Optionally, a software architecture of a C/S may be adopted between the server and all the cars, and http communication is used for communication. In the http protocol layer, the data transmission communication adopts a non-continuous connection type. The communication mode adopts a request-response mode. The http protocol based "request-response" communication flow is shown in fig. 4.
Fig. 4 is a schematic flow chart illustrating data instruction interaction in the coordinate display method of car screen navigation service according to an embodiment of the present invention, specifically, a requesting party may be understood as a car screen at each car or each vehicle door, and a responding party is a remote server.
The following description will be made with the car as the requester:
and before the train is about to arrive at the platform, the train line information, the platform position information and the carriage position information are packaged to generate corresponding request data, and a navigation coordinate loading request is generated according to the request data and is sent to the server side.
The server side is always in a waiting request state, and after receiving a navigation coordinate loading request sent by a certain carriage, the server side matches navigation coordinate data corresponding to the navigation coordinate loading request in a navigation coordinate information base and returns the navigation coordinate data to the carriage.
According to the coordinate display method of the carriage screen navigation service provided by the embodiment of the invention, a server side (responder) provides navigation coordinate information (xml format), a screen client side (requester) acquires the navigation coordinate information in an http communication mode, then analyzes the navigation coordinate information, and station equipment is arranged on the screen client side above a vehicle door according to equipment coordinate navigation information provided in the navigation coordinate information and the position of the vehicle door. The corresponding positions of the platform equipment and the like are displayed by using the corresponding icons, so that passengers can see the relative positions of the platform equipment at a glance, and intelligent and efficient outbound navigation service is provided for the passengers.
The navigation coordinate graph mainly includes current route information, transfer information, next platform information, door opening side information, congestion degree information, navigation information of platform equipment and the like of the train.
The embodiment of the present invention further provides a coordinate display system for car screen navigation service, as shown in fig. 5, the coordinate display system mainly includes: a loading request sending unit 1, a navigation data receiving unit 2, a navigation coordinate map positioning unit 3 and a carriage screen 4; the loading request sending unit is mainly used for sending a navigation coordinate loading request to the server at a preset time before the train arrives at the platform; the navigation data receiving unit is mainly used for receiving navigation coordinate data sent by the server side; the navigation coordinate graph positioning unit is mainly used for determining a navigation coordinate graph displayed on a carriage screen at each carriage according to the navigation coordinate data and by combining the position information of each carriage door in each carriage; the car screen is mainly used for displaying the navigation coordinate graph.
Specifically, when the train passes through one platform and drives to the next platform (referred to as a target platform for short), the loading request sending unit 1 disposed on the train may collectively send a navigation coordinate loading request to the remote server to request real-time loading of the navigation coordinate data of the target platform.
As an alternative embodiment, one loading request sending unit 1 may be provided on the whole train, an independent loading request sending unit 1 may be provided in each car, or one request sending unit 1 may be integrated in a car screen distributed at each door in each train car.
Further, after receiving the navigation coordinate loading request, the remote server side sends the navigation coordinate data corresponding to each navigation coordinate loading request to the sending end of the navigation coordinate loading request.
That is, the navigation coordinate data transmitted from the server side is received by the navigation data receiving unit 2.
Further, the navigation coordinate map displayed on the screen of the vehicle compartment at each door is generated by the navigation coordinate map positioning unit 3 based on the navigation coordinate data received by the navigation data receiving unit 2 and retrieving the position information of each door.
As an alternative embodiment, each request sending unit 1 may be integrated with each navigation data receiving unit 2 and the navigation coordinate map positioning unit 3, and configured to send a navigation coordinate loading request, receive navigation coordinate data sent by the server, generate a corresponding navigation coordinate map according to the navigation coordinate data, and send the navigation coordinate map to the corresponding car screen 4, so as to display the navigation coordinate map.
According to the coordinate display system of the carriage screen navigation service, provided by the embodiment of the invention, the communication connection between each carriage and the server side is established, the navigation coordinate graphs corresponding to different vehicle doors are configured in real time, the relative navigation coordinate information of each platform device can be displayed for passengers, the differential display of navigation contents is ensured, and the intelligent and efficient outbound navigation service is provided for the passengers.
Based on the content of the above embodiment, as an optional embodiment, the loading request sending unit and the navigation data receiving unit perform data interaction with the server side based on a C/S software architecture and in an http communication manner, respectively.
Fig. 6 is a schematic diagram of a communication connection relationship between each unit module in a coordinate display of a car screen navigation service according to an embodiment of the present invention, and as shown in fig. 6, a C/S software architecture is adopted for a service side navigation service, an xml data organization method and an http communication method are adopted, and a non-persistent connection type is adopted for data transmission and communication in an http protocol layer. The communication mode adopts a request-response mode. The http protocol-based "request-response" communication flow is shown in fig. 5:
the method comprises the steps that a server side (a responder) provides navigation coordinate information (in an xml format), a screen client side (a requester) obtains xml through http, then the xml is analyzed, and corresponding equipment is displayed at a corresponding position on the screen client side by using a corresponding icon according to equipment coordinate navigation information provided by the xml and the position of a passenger, so that the passenger can see the relative position of platform equipment at a glance, and intelligent and efficient outbound navigation service is provided for the passenger.
Further, in the embodiment of the invention, the carriage screen client acquires the xml data of the navigation coordinate from the server through the http interface, analyzes the xml data, and displays the xml data in the navigation coordinate display area. Navigation coordinate information can be divided into several parts: the coordinate information of the station exit and the equipment, the information of the door opening side, the information of the carriage where the passenger is, and the like. When a train arrives at a station, passengers can obtain the relative information of the station exit and the position of the equipment and the passengers through a navigation coordinate graph displayed on a carriage screen, so that efficient and personalized outbound navigation service is provided.
It should be noted that, when specifically executing, the coordinate display system of the car screen navigation service provided in the embodiment of the present invention may be implemented based on the coordinate display method of the car screen navigation service described in any one of the embodiments, which is not described in detail in this embodiment.
Fig. 7 illustrates a physical structure diagram of an electronic device, and as shown in fig. 7, the electronic device may include: a processor (processor)710, a communication interface 720, a memory (memory)730, and a communication bus (bus)740, wherein the processor 710, the communication interface 720, and the memory 730 communicate with each other via the communication bus 4740. The processor 710 may invoke the logic instructions in the memory 730 to perform a coordinate display method of the car screen navigation service, which mainly includes: sending a navigation coordinate loading request to a server at a preset time before a train arrives at a platform; receiving navigation coordinate data sent by the server side; determining a navigation coordinate graph displayed on a carriage screen at each vehicle door according to the navigation coordinate data and by combining the position information of each vehicle door in each carriage; and displaying the navigation coordinate graph by using the carriage screen.
In addition, the logic instructions in the memory 730 can be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.
In addition, the logic instructions in the memory 730 can be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
In another aspect, an embodiment of the present invention further provides a computer program product, where the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, and the computer program includes program instructions, where when the program instructions are executed by a computer, the computer is capable of executing the coordinate display method of the car screen navigation service provided by the above-mentioned embodiments of the method, and the method mainly includes: sending a navigation coordinate loading request to a server at a preset time before a train arrives at a platform; receiving navigation coordinate data sent by the server side; determining a navigation coordinate graph displayed on a carriage screen at each vehicle door according to the navigation coordinate data and by combining the position information of each vehicle door in each carriage; and displaying the navigation coordinate graph by using the carriage screen.
In still another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, the computer program being implemented by a processor to perform the coordinate display method provided by the above embodiments to perform the car screen navigation service, and the method mainly includes: sending a navigation coordinate loading request to a server at a preset time before a train arrives at a platform; receiving navigation coordinate data sent by the server side; determining a navigation coordinate graph displayed on a carriage screen at each vehicle door according to the navigation coordinate data and by combining the position information of each vehicle door in each carriage; and displaying the navigation coordinate graph by using the carriage screen.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A coordinate display method of a car screen navigation service is characterized by comprising the following steps:
sending a navigation coordinate loading request to a server at a preset time before a train arrives at a platform;
receiving navigation coordinate data sent by the server side;
determining a navigation coordinate graph displayed on a carriage screen at each vehicle door according to the navigation coordinate data and by combining position information of each vehicle door in each carriage;
displaying the navigation coordinate graph by utilizing the carriage screen;
before a train is about to arrive at a platform, a navigation coordinate loading request is sent to a server side, and the method comprises the following steps:
at a preset moment before the train reaches the platform, each carriage respectively sends a navigation coordinate loading request to the server;
the navigation coordinate loading request comprises train line information, platform position information and compartment position information.
2. The coordinate display method of the car screen navigation service according to claim 1, further comprising:
a navigation coordinate information base is pre-constructed at the server end by adopting a data organization mode in an xml format;
the navigation coordinate information base comprises relative coordinate information of all station equipment in uplink and downlink;
the relative coordinate information of each station device includes a device name, a relative coordinate value of the device, a device direction, and a relative coordinate value including a device name display.
3. The coordinate display method of a car screen navigation service according to claim 2, wherein the receiving navigation coordinate data transmitted by the server side includes:
each compartment receives navigation coordinate data sent by the server side respectively;
and the navigation coordinate data is acquired by the server side after matching from the navigation coordinate information base according to the train line information, the platform position information and the carriage position information which are sent by each train.
4. The coordinate display method of the car screen navigation service according to claim 3, wherein the determining the navigation coordinate map displayed on the car screen at each of the doors based on the navigation coordinate data and the position information of the respective doors in the car includes:
each carriage analyzes the navigation coordinate data in the xml format respectively to obtain the relative coordinate information of all platform equipment corresponding to the carriage position;
and acquiring relative coordinate information of all platform equipment at each vehicle door according to the position information of the vehicle door so as to determine a navigation coordinate graph displayed on a carriage screen at the vehicle door.
5. The coordinate display method of a car screen navigation service according to claim 1, wherein the navigation coordinate map includes current route information, transfer information, next station information, door opening side information, congestion degree information, and navigation information of station equipment of the train.
6. A coordinate display system of a car screen navigation service, comprising:
the system comprises a loading request sending unit, a navigation data receiving unit, a navigation coordinate diagram positioning unit and a carriage screen;
the loading request sending unit is used for sending a navigation coordinate loading request to the server at a preset time before the train is about to arrive at the platform;
the navigation data receiving unit is used for receiving navigation coordinate data sent by the server side;
the navigation coordinate graph positioning unit is used for determining a navigation coordinate graph displayed on a carriage screen at each carriage according to the navigation coordinate data and by combining position information of each carriage door in each carriage;
the carriage screen is used for displaying the navigation coordinate graph;
before a train is about to arrive at a platform, a navigation coordinate loading request is sent to a server side, and the method comprises the following steps:
at a preset moment before the train reaches the platform, each carriage respectively sends a navigation coordinate loading request to the server;
the navigation coordinate loading request comprises train line information, platform position information and compartment position information.
7. The coordinate display system of car screen navigation service of claim 6, wherein the loading request sending unit and the navigation data receiving unit are respectively in data interaction with the server side based on a C/S software architecture and in an http communication mode.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the steps of the coordinate display method of the car screen navigation service according to any one of claims 1 to 5.
9. A computer-readable storage medium on which a computer program is stored, the computer program, when being executed by a processor, implementing the steps of the coordinate display method of the car screen navigation service according to any one of claims 1 to 5.
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