CN114413926B - Map display method based on mapbox engine osm data and high-precision data - Google Patents
Map display method based on mapbox engine osm data and high-precision data Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
- G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
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Abstract
The invention provides a map display method based on mapbox engine osm data and high-precision data, which comprises the following steps: generating a high-precision map by collecting 3D high-precision data information of a road, producing and compiling the high-precision map by combining downloaded osm data to form tile data, and deploying the tile data to a cloud server; the APP end acquires positioning information from the vehicle end through a network transmission protocol to display the position of the vehicle in real time, meanwhile, the APP end performs path planning by accessing a third-party common map SDK, identifies the position of a high-precision map in a road section from a starting point to an ending point of the third-party common map planning, reminds a user or directly switches to lane-level navigation when approaching the position with the high-precision map in the driving process, and performs active display. The method can finely display the lane-level information of the road data and display the hierarchical relationship of the fine high-precision map, and the osm data is used as the information displayed by reference. The position of the vehicle is displayed in real time, accurate driving service is provided, and driving experience is improved.
Description
Technical Field
The invention relates to a map engine, osm two-dimensional map data, high-precision map data, positioning, data cloud transmission and other combined technologies, in particular to a map display method based on map engine osm data and high-precision data.
Background
With the increasing demand of vehicles, the driving experience becomes an important link for users to buy vehicles. The method mainly focuses on improving the driving experience of the clients and perfecting driving assistance. The auxiliary driving on the market at present is based on the navigation of lane level, and is not very meticulous to the positioning information and the rendering of data to overpass part of real-time vehicle, shows the difference with actual scene still very big, and the vehicle is crossing complicated overpass part, because the very easy dislocation of subtle road relation display leads to bad navigation driving experience.
Disclosure of Invention
The invention provides a map display method based on map engine osm data and high-precision data, which overcomes the problems or at least partially solves the problems. The vehicle end platform acquires real-time positioning signals sent by a vehicle based on an Android system apk, and is used for displaying guide information and real-time positions of the vehicle, and the apk end acquires osm data and high-precision data display maps from a cloud through an HTTP protocol. The method has the advantages that the field data and the real-time vehicle position are displayed in real time, the fine rendering of the overhead overpass part is realized, the lane-level navigation of a full scene is truly achieved, and the pain point of the vehicle in the road-free relation when passing through the overhead overpass part is solved.
According to a first aspect of the present invention, there is provided a map display method based on mapbox engine osm data and high-precision data, comprising:
generating a high-precision map by collecting 3D high-precision data information of a road, producing and compiling the high-precision map by combining downloaded osm data to form tile data, and deploying the tile data to a cloud server;
the APP end acquires positioning information from the vehicle end through a network transmission protocol, displays the position of the vehicle in real time, requests map data from the cloud end through an HTTP protocol and displays the map data, meanwhile, the APP end performs path planning through accessing a third-party common map SDK, and performs high-precision map registration through transmitting the path planning result to a map engine on the vehicle IECU side;
and identifying the position of the high-precision map in the road section between the starting point and the ending point of the third-party common map planning, reminding the user or directly switching to lane-level navigation when the position of the high-precision map is close in the driving process, and performing active display.
On the basis of the technical scheme, the invention can also make the following improvements.
Optionally, when the position of the high-precision map existing in the road section between the starting point and the end point of the third-party common map planning is identified, the identified position of the high-precision map is marked, a prompting threshold value which is far away from the marking point is designed, and when the user runs within the range of the prompting threshold value, the user is prompted to conduct lane-level navigation switching, or if the user does not respond within the set time, the user is automatically switched to lane-level navigation.
Optionally, the response includes a switch command or a reject command, and the response is implemented by voice recognition or key selection.
Optionally, the lane-level navigation display includes a hierarchical relationship of roads within the high-precision data information and is processed as follows:
knowing the current level information of the vehicle and the level information of the viaduct in front of the vehicle when passing through the viaduct, and carrying out blurring reduction on the road information of other lanes and levels except the information of the current lane when passing through the viaduct; and highlights the road on which the current vehicle is traveling.
Optionally, when the road information passes through the overpass, the transparency of the road information of other lanes and layers except the information of the current lane is reduced by blurring; and the road on which the current vehicle is traveling is displayed with different colors and different brightnesses from other lanes.
The map display method based on the map engine osm data and the high-precision data has the following beneficial effects: the method mainly solves the problem of auxiliary driving functions on the market at present, and the map displays the relation in a hierarchy penetrating through an overhead intersection part, so that a customer can easily identify a currently running road to be matched with an actual scene when penetrating through the overhead intersection. The method can finely display the lane-level information of the road data and display the hierarchical relationship of the fine high-precision map, and the osm data is used as the information displayed by reference. The position of the vehicle is displayed in real time, accurate driving service is provided, and driving experience is improved.
Drawings
Fig. 1 is a flowchart of a map display method based on mapbox engine osm data and high-precision data according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a map display method based on map engine osm data and high-precision data according to an embodiment of the present invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Fig. 1 is a flowchart of a map display method based on mapbox engine osm data and high-precision data according to an embodiment of the present invention, as shown in fig. 1, where the method includes:
generating a high-precision map by collecting 3D high-precision data information of a road, producing and compiling the high-precision map by combining downloaded osm data to form tile data, and deploying the tile data to a cloud server;
the APP end acquires positioning information from the vehicle end through a network transmission protocol, displays the position of the vehicle in real time, requests map data from the cloud end through an HTTP protocol and displays the map data, meanwhile, the APP end performs path planning through accessing a third-party common map SDK, and performs high-precision map registration through transmitting the path planning result to a map engine on the vehicle IECU side;
and identifying the position of the high-precision map in the road section between the starting point and the ending point of the third-party common map planning, reminding the user or directly switching to lane-level navigation when the position of the high-precision map is close in the driving process, and performing active display.
It can be understood that in this embodiment, firstly, the high-precision map data of the national road is obtained, vector slicing is performed on the map data and then the map data is deployed on a cloud server, then the osm two-dimensional map data is downloaded and deployed on the cloud server, then the map data is displayed by means of an APP end, in the display process, the osm data is displayed by the APP end through a mapbox engine, and in particular: the APP displays high-precision data based on a mapbox engine by reading vector slice data of the cloud after compiling production, a third-party map APP is integrated at an APP end to display a common map and conduct path planning, detailed results of path planning information of a starting point and a finishing point are transmitted into a map engine of a vehicle to conduct registration of the high-precision map, so that a road section with the high-precision map data in the whole road section is known, and a client is prompted to enter a lane-level navigation when the road section with the high-precision map data is about to enter in the process of navigation of the third-party common map.
The method comprises the steps of receiving positioning data, integrating a related library file at an APP end, receiving related information of a vehicle, and displaying the positioning of the vehicle in real time. And cloud data management, which stores high-precision map data and two-dimensional map data acquired by the traditional method. The vehicle IECU side functions in: the client enters the hierarchical relation of the high-precision data, the current zlevel hierarchical information of the vehicle and the zlevel hierarchical information of the viaduct in front are known when the client passes through the viaduct, the transparency is reduced by blurring the other lanes and the hierarchical road information except the current lane information, the road on which the client runs is highlighted, the effect of prompting the road on which the client runs is achieved, and better driving experience is given to the client, as shown in fig. 2.
The method solves the problem that the current auxiliary driving or navigation on the market passes through the hierarchical display relationship of the overhead intersection part, so that a client can easily identify the currently running road to match with the actual scene when passing through the overhead intersection. The method can finely display the lane-level information of the road data and display the hierarchical relationship of the fine high-precision map, and the osm data is used as the information displayed by reference. The position of the vehicle is displayed in real time, accurate driving service is provided, and driving experience is improved.
In a possible embodiment, when the position of the high-precision map existing in the road section between the starting point and the end point of the third-party common map planning is identified, the identified position of the high-precision map is marked, a prompting threshold value from the marked point is designed, and when the user runs within the prompting threshold value, the user is prompted to conduct lane-level navigation switching, or the user is prompted to conduct lane-level navigation switching automatically if the user does not respond within a set time.
It can be understood that when the vehicle is navigating through the third party common map during driving, the information of whether the high-precision map exists in a certain range from the starting position to the ending position in the road section is accessed, if so, the vehicle is prompted when arriving near the high-precision map, or the vehicle is switched to the lane-level navigation. The range may be set or dynamically changed following the speed of the vehicle, e.g., when the speed of the vehicle is high, the time or distance of the prompt is advanced, and when the speed of the vehicle is low, the prompt is made according to the normal setting, or the prompt is delayed. For avoiding the occurrence of improper prompting time caused by too early or too late prompting time.
In one possible embodiment, the response includes a switch command or a reject command, and the response is accomplished by voice recognition or key selection.
It will be appreciated that the prompt may be operated by speech recognition or by key presses, and the user may respond as desired based on the prompt message, including a command to switch directly to lane-level navigation or a command to reject switching.
In one possible embodiment, the lane-level navigation display includes a hierarchical relationship of roads within the high-precision data information and is processed as follows:
knowing the current level information of the vehicle and the level information of the viaduct in front of the vehicle when passing through the viaduct, and carrying out blurring reduction on the road information of other lanes and levels except the information of the current lane when passing through the viaduct; and highlights the road on which the current vehicle is traveling.
It can be appreciated that in this embodiment, on the one hand, when passing through the overpass, the collected high-precision data information is 3D data, so that the hierarchical structure of the overpass can be clearly judged and displayed, and therefore, in the navigation process according to the navigation line, the current lane is highlighted, and the non-current lane is blurred or the transparency is reduced, so that the user is prevented from driving on an incorrect road, or the user is helped to see the road condition in front of the current lane clearly.
In one possible embodiment, when the road information passes through the overpass, the transparency is reduced by blurring the road information of other lanes and levels except the information of the current lane; and the road on which the current vehicle is traveling is displayed with different colors and different brightnesses from other lanes.
It can be appreciated that, in this embodiment, based on the above situation, lanes on different driving routes may be marked by different colors, for example, a green mark is adopted for a lane to be driven on the current plan, and other colors are adopted for a non-current lane, and transparency of the non-current lane is synchronously adjusted so as to observe the road condition and the road structure in front.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. The map display method based on the mapbox engine osm data and the high-precision data is characterized by comprising the following steps:
generating a high-precision map by collecting 3D high-precision data information of a road, producing and compiling the high-precision map by combining downloaded osm data to form tile data, and deploying the tile data to a cloud server;
the APP end acquires positioning information from the vehicle end through a network transmission protocol, displays the position of the vehicle in real time, requests map data from the cloud end through an HTTP protocol and displays the map data, meanwhile, the APP end performs path planning through accessing a third-party common map SDK, and performs high-precision map registration through transmitting the path planning result to a map engine on the vehicle IECU side;
identifying the position of the high-precision map in the road section from the starting point to the ending point of the third-party common map planning, reminding a user or directly switching to lane-level navigation when the position of the high-precision map is close to the position in the driving process, and performing active display;
the lane-level navigation display includes a hierarchical relationship of roads within the high-precision data information and is processed as follows:
knowing the current level information of the vehicle and the level information of the viaduct in front of the vehicle when passing through the viaduct, and carrying out blurring reduction on the road information of other lanes and levels except the information of the current lane when passing through the viaduct; and highlights the road on which the current vehicle is traveling.
2. The map display method based on mapbox engine osm data and high-precision data according to claim 1, wherein when the position of the high-precision map existing in the road section between the start point and the end point of the third-party ordinary map plan is identified, the identified position of the high-precision map is marked, and a prompt threshold from the marked point is designed, and when the user runs within the prompt threshold, the user is prompted to perform switching of lane-level navigation, or when the user does not respond within a set time, the user is automatically switched to lane-level navigation.
3. The map display method based on mapbox engine osm data and high-precision data according to claim 2, wherein the response includes a switch command or a reject command, and the response is implemented by voice recognition or key selection.
4. The map display method based on mapbox engine osm data and high-precision data according to claim 1, wherein the map display method is characterized in that when passing through an overpass, the map display method performs blurring reduction of road information of other lanes and levels except for the information of the current lane; and the road on which the current vehicle is traveling is displayed with different colors and different brightnesses from other lanes.
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