CN115186046A - Vehicle geographic position calculation method and device, electronic equipment and storage medium - Google Patents
Vehicle geographic position calculation method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The application discloses a vehicle geographic position calculating method, a vehicle geographic position calculating device, electronic equipment and a storage medium, wherein the method comprises the following steps: acquiring longitude and latitude information of a current position of a vehicle; matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result; and generating the current geographic position of the vehicle according to the matching result. Therefore, the problems that when the geographic position of the vehicle is obtained in the related technology, the map website interface can be normally called only by accessing the external network by the data calculated by the big data platform, the safety is poor, the number of times of inquiry every day is limited, and the batch data inquiry matching in a big data scene cannot be met are solved.
Description
Technical Field
The present disclosure relates to the field of vehicle technologies, and in particular, to a method and an apparatus for calculating a geographic position of a vehicle, an electronic device, and a storage medium.
Background
With the rapid development of social economy, automobiles are more and more popular, when the automobiles run, users want to see accurate geographic position information of the automobiles, and under a big data analysis scene, the information such as the geographic positions of the automobiles needs to be analyzed into province, city, region and other dimensional data for statistical analysis.
In the related technology, a map website interface such as a Goodpasture or Baidu map is called, and specific address information is analyzed according to longitude and latitude data collected by a vehicle.
However, in the related art, when the geographic position of the vehicle is obtained, the data calculated by the big data platform needs to access an external network to normally call a map website interface, so that the safety is poor, the number of times of query every day is limited, and the problems of batch data query matching and the like in a big data scene cannot be met.
Disclosure of Invention
The application provides a vehicle geographic position calculating method, a vehicle geographic position calculating device, electronic equipment and a storage medium, and aims to solve the problems that when the geographic position of a vehicle is obtained in the related technology, data calculated by a big data platform can normally call a map website interface only by accessing an external network, the safety is poor, the number of times of query every day is limited, and the requirement for batch data query matching in a big data scene cannot be met.
The embodiment of the first aspect of the application provides a vehicle geographic position calculation method, which comprises the following steps: acquiring longitude and latitude information of a current position of a vehicle; matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result; and generating the current geographic position of the vehicle according to the matching result.
Optionally, in an embodiment of the present application, before matching the longitude and latitude information in a pre-constructed geographic location database, the method includes: acquiring longitude and latitude information of the vehicle and coordinate information of a geographic position in a map database; and establishing a mapping relation between the longitude and latitude information and the coordinate information, and obtaining the pre-constructed geographic position database based on the mapping relation.
Optionally, in an embodiment of the present application, before generating the geographic location where the vehicle is currently located according to the matching result, the method includes: and judging whether the geographic position corresponding to the longitude and latitude information exists in the pre-constructed geographic position database, if so, generating the matching result, otherwise, calling an external map database to match the geographic position corresponding to the longitude and latitude information, and generating the matching result.
Optionally, in an embodiment of the present application, after invoking an external map database for matching and generating the matching result, the method further includes: and storing the geographic position corresponding to the longitude and latitude information in the map database in the pre-constructed geographic position database.
An embodiment of a second aspect of the present application provides a vehicle geographic position calculation apparatus, including: the first acquisition module is used for acquiring longitude and latitude information of the current position of the vehicle; the matching module is used for matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result; and the calculation module is used for generating the current geographic position of the vehicle according to the matching result.
Optionally, in an embodiment of the present application, the method further includes: the second acquisition module is used for acquiring the longitude and latitude information of the vehicle and the coordinate information of the geographic position in the map database before matching the longitude and latitude information in a pre-constructed geographic position database; and the establishing module is used for establishing a mapping relation between the longitude and latitude information and the coordinate information and obtaining the pre-constructed geographic position database based on the mapping relation.
Optionally, in an embodiment of the present application, the method further includes: and the judging module is used for judging whether the geographic position corresponding to the longitude and latitude information exists in the pre-constructed geographic position database before generating the current geographic position of the vehicle according to the matching result, if so, generating the matching result, otherwise, calling an external map database to match the geographic position corresponding to the longitude and latitude information, and generating the matching result.
Optionally, in an embodiment of the application, the determining module is further configured to store a geographic location corresponding to the latitude and longitude information in the map database in the pre-constructed geographic location database.
An embodiment of a third aspect of the present application provides an electronic device, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the program to perform the vehicle geographical position calculation method as described in the above embodiments.
A fourth aspect of the present application provides a computer-readable storage medium, on which a computer program is stored, the program being executed by a processor to perform the vehicle geographical position calculating method according to the above embodiment.
Therefore, the application has at least the following beneficial effects:
acquiring longitude and latitude information of a current position of a vehicle; matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result; the current geographic position of the vehicle is generated according to the matching result, the large data platform does not need to access an external network, and the data are safer and more accurate. Therefore, the problems that when the geographic position of the vehicle is obtained in the related technology, the map website interface can be normally called only by accessing the external network by the data calculated by the big data platform, the safety is poor, the number of times of inquiry every day is limited, and the batch data inquiry matching in a big data scene cannot be met are solved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
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The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flowchart of a method for calculating a geographic position of a vehicle according to an embodiment of the present disclosure;
FIG. 2 is a flow chart illustrating a process for updating a map coordinate file according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating a vehicle geographic position calculation method under a big data analysis scenario according to an embodiment of the present application;
FIG. 4 is a flowchart of a geographic location calculation provided according to an embodiment of the present application;
FIG. 5 is a block diagram of a vehicle geographic position computing device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Description of reference numerals: a first acquisition module-100, a matching module-200, a computation module-300, a memory-601, a processor-602, and a communication interface-603.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
The vehicle geographical position calculation method, apparatus, electronic device, and storage medium according to the embodiments of the present application are described below with reference to the drawings. The problems mentioned in the background center above are addressed. The application provides a vehicle geographic position calculation method, in the method, longitude and latitude information of a current position of a vehicle is obtained; matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result; and generating the current geographic position of the vehicle according to the matching result. Therefore, the problems that when the geographic position of the vehicle is obtained in the related technology, the map website interface can be normally called only by accessing the external network by the data calculated by the big data platform, the safety is poor, the number of times of inquiry every day is limited, and the batch data inquiry matching in a big data scene cannot be met are solved.
Specifically, fig. 1 is a schematic flowchart of a vehicle geographic position calculation method according to an embodiment of the present disclosure.
As shown in fig. 1, the vehicle geographical position calculating method includes the steps of:
in step S101, latitude and longitude information of a current position of the vehicle is acquired.
The longitude and latitude are a coordinate system consisting of longitude and latitude, the spherical coordinates of the space on the earth are defined by utilizing the spherical surface of the three-dimensional space, and the longitude and latitude information of the vehicle reflects the position information of the vehicle under the map coordinates.
In an actual implementation process, the latitude and longitude information of the current position of the vehicle may be obtained in various manners, for example, a GPS (Global Positioning System) of the vehicle, an intelligent vehicle-mounted terminal in an internet of vehicles System, and the like, which is not limited specifically.
In step S102, the latitude and longitude information is matched in a pre-established geographic location database to obtain a matching result.
After acquiring the longitude and latitude information of the current position of the vehicle, the embodiment of the application can store the longitude and latitude information data of the vehicle into the big data platform and store the longitude and latitude information data into the Hive database, match the geographic position coordinate information corresponding to the longitude and latitude information of the current position of the vehicle by using the Spark on Hive computing capacity and batching the longitude and latitude data, does not need to call map website interfaces in large batch, has no limitation, does not need to access an external network on the big data platform, and is high in safety.
Specifically, according to the embodiment of the application, by using the computing power of Spark on Hive, hundreds of millions or billions of vehicle longitude and latitude data can be matched in batches in a distributed computing manner, so that the longitude and latitude + area data stored on a large data platform can be finally formed and can be directly used.
Optionally, in an embodiment of the present application, before matching the longitude and latitude information in the pre-constructed geographic location database, the method includes: acquiring longitude and latitude information of a vehicle and coordinate information of a geographic position in a map database; and establishing a mapping relation between the longitude and latitude information and the coordinate information, and obtaining a pre-constructed geographic position database based on the mapping relation.
In the embodiment of the application, the coordinate information of the map position can be directly downloaded from the high-grade map to obtain coordinate data, which are currently classified into 4 grades, namely province, city, district and village and town. According to the method and the device, the pre-constructed geographic position database is obtained by establishing the mapping relation between the longitude and latitude information and the coordinate information of the vehicle, so that the obtained longitude and latitude information of the current position of the vehicle is matched in the geographic position database, and the matching result is obtained.
In step S103, the current geographic location of the vehicle is generated according to the matching result.
According to the method and the device, the map coordinate data can be matched according to the obtained longitude and latitude data of the current vehicle, so that the current geographic position of the vehicle is obtained.
Optionally, in an embodiment of the present application, before generating the geographic location where the vehicle is currently located according to the matching result, the method includes: and judging whether the geographic position corresponding to the longitude and latitude information exists in a pre-constructed geographic position database, if so, generating a matching result, otherwise, calling an external map database to match the geographic position corresponding to the longitude and latitude information, and generating the matching result.
It can be understood that, the longitude and latitude information of the current vehicle is obtained through the method described in the above embodiment, and then the longitude and latitude information is matched in the pre-constructed geographic location database, and if the geographic location corresponding to the longitude and latitude information of the current vehicle exists in the database, the corresponding matching result is directly generated; if the map coordinate information does not exist, the embodiment of the Application can use a server which can access an external network and call a high-level Application Programming Interface (API) to supplement the map coordinate information, and call the API to find the geographic position and write the geographic position into a pre-constructed geographic position database aiming at the map coordinate information which is not matched with the geographic position.
Optionally, in an embodiment of the present application, after invoking an external map database for matching and generating a matching result, the method further includes: and storing the geographic position corresponding to the longitude and latitude information in the map database in a pre-constructed geographic position database.
It can be understood that the geographic position database of the embodiment of the application is continuously updated in the using process, and when the database does not have a geographic position corresponding to the current vehicle longitude and latitude information, the geographic position corresponding to the longitude and latitude information in the map database is stored in the pre-constructed geographic position database after the external map database is called to match the geographic position corresponding to the longitude and latitude information, so that the geographic position corresponding to the longitude and latitude information in the map database can be directly called in the next using process without accessing an external network, and the data is safer.
In the actual implementation process, as shown in fig. 2, a timing task can be set in the embodiment of the present application, the time can be customized, and the map coordinate data is downloaded from the german official website and integrated with the local map coordinate data without real-time, so that relatively perfect and relatively accurate map longitude and latitude data is formed.
The method for calculating the geographic position of a vehicle according to the embodiment of the present application will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the application does not need to completely judge the longitude and latitude data of the vehicle by virtue of the Goods API, and only needs a small part of data with no coordinates to access the extranet for obtaining. As shown in fig. 3 and 4, in the embodiment of the present application, a piece of map coordinate data (only coordinates) is downloaded from the network of the high-end map officer, and is saved in the big data platform to the township dimension of the province and urban area. Analyzing and packaging the coordinate data into object data based on the map coordinate data, wherein the object data comprises area names, area codes, parent level area codes, area center coordinate information and all dotting coordinate data of the areas; for longitude and latitude data of a vehicle, the longitude and latitude data of the vehicle can be collected on a big data platform in a quasi-real-time manner after being collected by a TBox, hive is used for storage, and coordinate dotting data are matched by using Spark on Hive computing capacity and running longitude and latitude data. And for at least part of coordinate data which cannot be matched, synchronizing to a data server which can access an external network, calling a high-resolution real-time API (application program interface), matching the geographic position, and synchronously writing back the position data to map data.
According to the vehicle geographic position calculating method provided by the embodiment of the application, the longitude and latitude information of the current position of a vehicle is acquired; matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result; the current geographic position of the vehicle is generated according to the matching result, the large data platform does not need to access an external network, and the data is safer and more accurate. Therefore, the problems that when the geographic position of a vehicle is obtained, data calculated by a big data platform can normally call a map website interface only by accessing an external network, the safety is poor, the number of times of query every day is limited, and batch data query matching under a big data scene cannot be met are solved.
Next, a vehicle geographical position calculating apparatus according to an embodiment of the present application will be described with reference to the drawings.
Fig. 5 is a block diagram of a vehicle geographic position calculation device according to an embodiment of the present application.
As shown in fig. 5, the vehicle geographical position calculation device 10 includes: a first acquisition module 100, a matching module 200 and a calculation module 300.
The first obtaining module 100 is configured to obtain longitude and latitude information of a current location of a vehicle. And the matching module 200 is configured to match the longitude and latitude information in a pre-established geographic location database to obtain a matching result. And the calculating module 300 is used for generating the current geographic position of the vehicle according to the matching result.
Optionally, in an embodiment of the present application, the vehicle geographic position calculation device 10 further includes: the second acquisition module is used for acquiring longitude and latitude information of the vehicle and coordinate information of the geographic position in the map database before matching the longitude and latitude information in a pre-constructed geographic position database; and the establishing module is used for establishing a mapping relation between the longitude and latitude information and the coordinate information and obtaining a pre-established geographic position database based on the mapping relation.
Optionally, in an embodiment of the present application, the vehicle geographic position calculation device 10 further includes: and the judging module is used for judging whether the geographic position corresponding to the longitude and latitude information exists in a pre-constructed geographic position database before generating the current geographic position of the vehicle according to the matching result, if so, generating the matching result, otherwise, calling an external map database to match the geographic position corresponding to the longitude and latitude information, and generating the matching result.
Optionally, in an embodiment of the application, the determining module is further configured to store the geographic location corresponding to the latitude and longitude information in the map database in a pre-constructed geographic location database.
It should be noted that the foregoing explanation of the embodiment of the vehicle geographic position calculation method is also applicable to the vehicle geographic position calculation apparatus of the embodiment, and is not repeated herein.
According to the vehicle geographic position calculating device provided by the embodiment of the application, the longitude and latitude information of the current position of a vehicle is acquired; matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result; the current geographic position of the vehicle is generated according to the matching result, the large data platform does not need to access an external network, and the data is safer and more accurate. Therefore, the problems that when the geographic position of a vehicle is obtained, data calculated by a big data platform can normally call a map website interface only by accessing an external network, the safety is poor, the number of times of query every day is limited, and batch data query matching in a big data scene cannot be met are solved.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device may include:
a memory 601, a processor 602, and a computer program stored on the memory 601 and executable on the processor 602.
The processor 602, when executing the program, implements the vehicle geographical position calculating method provided in the above-described embodiment.
Further, the electronic device further includes:
a communication interface 603 for communication between the memory 601 and the processor 602.
The memory 601 is used for storing computer programs that can be run on the processor 602.
If the memory 601, the processor 602 and the communication interface 603 are implemented independently, the communication interface 603, the memory 601 and the processor 602 may be connected to each other through a bus and perform communication with each other. The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 6, but this is not intended to represent only one bus or type of bus.
Optionally, in a specific implementation, if the memory 601, the processor 602, and the communication interface 603 are integrated on a chip, the memory 601, the processor 602, and the communication interface 603 may complete mutual communication through an internal interface.
The processor 602 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present Application.
The present embodiment also provides a computer-readable storage medium on which a computer program is stored, characterized in that the program, when executed by a processor, implements the vehicle geographical position calculating method as above.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "N" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried out in the method of implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and the program, when executed, includes one or a combination of the steps of the method embodiments.
Claims (10)
1. A vehicle geographical position calculation method, characterized by comprising the steps of:
acquiring longitude and latitude information of a current position of a vehicle;
matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result;
and generating the current geographic position of the vehicle according to the matching result.
2. The method of claim 1, prior to matching the latitude and longitude information in a pre-constructed geo-location database, comprising:
acquiring longitude and latitude information of the vehicle and coordinate information of a geographic position in a map database;
and establishing a mapping relation between the longitude and latitude information and the coordinate information, and obtaining the pre-constructed geographic position database based on the mapping relation.
3. The method of claim 1, prior to generating the geographic location of the vehicle based on the matching, comprising:
and judging whether the geographic position corresponding to the longitude and latitude information exists in the pre-constructed geographic position database, if so, generating the matching result, otherwise, calling an external map database to match the geographic position corresponding to the longitude and latitude information, and generating the matching result.
4. The method according to claim 3, after invoking an external map database for matching and generating the matching result, further comprising:
and storing the geographic position corresponding to the longitude and latitude information in the map database in the pre-constructed geographic position database.
5. A vehicle geographical position calculating device, characterized by comprising:
the first acquisition module is used for acquiring longitude and latitude information of the current position of the vehicle;
the matching module is used for matching the longitude and latitude information in a pre-constructed geographic position database to obtain a matching result;
and the calculation module is used for generating the current geographic position of the vehicle according to the matching result.
6. The apparatus of claim 5, wherein prior to matching the latitude and longitude information in a pre-built geographic location database, comprising:
the second acquisition module is used for acquiring longitude and latitude information of the vehicle and coordinate information of the geographic position in the map database;
and the establishing module is used for establishing a mapping relation between the longitude and latitude information and the coordinate information and obtaining the pre-constructed geographic position database based on the mapping relation.
7. The apparatus of claim 5, comprising, prior to generating the geographic location where the vehicle is currently located based on the matching result:
and the judging module is used for judging whether the geographic position corresponding to the longitude and latitude information exists in the pre-constructed geographic position database, if so, generating the matching result, otherwise, calling an external map database to match the geographic position corresponding to the longitude and latitude information, and generating the matching result.
8. The apparatus according to claim 7, wherein the determining module is further configured to store the geographic location corresponding to the latitude and longitude information in the map database in the pre-constructed geographic location database.
9. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, the processor executing the program to implement the vehicle geographical position calculation method according to any one of claims 1 to 4.
10. A computer-readable storage medium on which a computer program is stored, the program being executed by a processor for implementing the vehicle geographical position calculating method according to any one of claims 1 to 4.
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| CN202210831893.9A CN115186046A (en) | 2022-07-14 | 2022-07-14 | Vehicle geographic position calculation method and device, electronic equipment and storage medium |
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