CN107609080B - Map data acquisition method and system, electronic equipment and storage medium - Google Patents
Map data acquisition method and system, electronic equipment and storage medium Download PDFInfo
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Abstract
The invention provides a map data acquisition method and system, electronic equipment and storage medium, comprising the following steps: based on at least two electronic maps, each electronic map is correspondingly divided into a plurality of areas according to the same preset rule; combining map data of the region in various electronic maps based on each region to obtain combined map data; the merged map data contains map data of the region in each electronic map. The map data acquisition method and system, the electronic equipment and the storage medium are used for carrying out compatible integration on the map data of various electronic maps to acquire the map data with the most comprehensive information so as to meet various requirements of users.
Description
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to a map data acquiring method and system, an electronic device, and a storage medium.
Background
An Electronic map (Electronic map), i.e., a digital map, is a map stored and referred to digitally using computer technology. The method for storing information in electronic map generally uses vector image storage, and the map scale can be enlarged, reduced or rotated without affecting the display effect.
In the prior art, a variety of different electronic maps have been developed, such as a hundred degree map, a dog search map, a google map, and the like. The map data adopted for different electronic maps are not identical, and the respective emphasis points are also different. Therefore, it is often necessary for users to know the characteristics of different electronic maps and select different electronic maps according to different application requirements. This brings about the following disadvantages:
(1) Downloading and installing various electronic maps at the same time when needed, so that certain resource waste is brought;
(2) According to different application requirements, different electronic maps are required to be manually selected, so that the operation is complicated, and the user experience is poor.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a map data acquiring method and system, an electronic device and a storage medium, which can compatibly integrate map data of various electronic maps to acquire the map data with the most comprehensive information, so as to meet various demands of users.
To achieve the above and other related objects, the present invention provides a map data acquisition method, comprising the steps of: based on at least two electronic maps, each electronic map is correspondingly divided into a plurality of areas according to the same preset rule; combining map data of the region in various electronic maps based on each region to obtain combined map data; the merged map data contains map data of the region in each electronic map.
In an embodiment of the invention, the at least two electronic maps are at least two electronic maps of a dog searching map, a hundred degree map, a high-german map, a here map and a four-dimensional map.
In an embodiment of the present invention, when each electronic map is correspondingly divided into a plurality of areas according to the same preset rule, the preset rule is any one of the following:
dividing according to administrative areas;
dividing according to the size of a preset area;
dividing according to specific roads.
In an embodiment of the present invention, merging map data of an area in various electronic maps based on each area to obtain merged map data includes the following steps:
based on each region, selecting map data of one electronic map in at least two electronic maps in the region as current reference map data, and selecting map data of any other electronic map in the region as reference map data;
searching reference map data one by one in the current reference map data based on each region; if the current reference map data is not contained in the current reference map data, adding the current reference map data to obtain updated reference map data;
based on each region, selecting the map data of any remaining electronic map in the region as reference map data, taking the updated reference map data as current reference map data, repeating the operation until the operation on all the remaining electronic maps is completed, and taking the finally obtained updated reference map data as combined map data.
In response to this, the control unit, the present invention also provides a map data acquisition system, the system comprises a dividing module and a merging module;
the dividing module is used for correspondingly dividing each electronic map into a plurality of areas according to the same preset rule based on at least two electronic maps;
the merging module is used for merging map data of the area in various electronic maps based on each area to obtain merged map data; the merged map data contains map data of the region in each electronic map.
In an embodiment of the invention, the at least two electronic maps are at least two electronic maps of a dog searching map, a hundred degree map, a high-german map, a here map and a four-dimensional map.
In an embodiment of the present invention, in the dividing module, the preset rule is any one of the following:
dividing according to administrative areas;
dividing according to the size of a preset area;
dividing according to specific roads.
In an embodiment of the present invention, when the merging module merges the map data of each region in the various electronic maps based on each region to obtain merged map data, the following operations are performed
Based on each area, selecting map data of one of at least two electronic maps in the area as current reference map data, selecting map data of any other electronic map in the area as reference map data;
searching reference map data one by one in the current reference map data based on each region; if the current reference map data is not contained in the current reference map data, adding the current reference map data to obtain updated reference map data;
based on each region, selecting the map data of any remaining electronic map in the region as reference map data, taking the updated reference map data as current reference map data, repeating the operation until the operation on all the remaining electronic maps is completed, and taking the finally obtained updated reference map data as combined map data.
Meanwhile, the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the map data acquisition method of any one of the above.
In addition, the invention also provides electronic equipment, which comprises: a processor and a memory;
the memory is configured to store a computer program, and the processor is configured to execute the computer program stored in the memory, so that the electronic device executes the map data acquisition method according to any one of the above.
As described above, the map data acquisition method and system, the electronic device and the storage medium of the present invention have the following beneficial effects:
(1) Compatible integration is carried out on map data of various electronic maps so as to obtain map data with the most comprehensive information;
(2) Multiple electronic maps are not required to be installed and downloaded at the same time, so that the system overhead is saved;
(3) The obtained map data can meet various requirements of users on the premise of not adding additional operations of the users;
(4) The user experience is greatly improved.
Drawings
FIG. 1 is a flow chart of a map data acquisition method of the present invention;
FIG. 2 is a schematic diagram showing the structure of a map data acquisition system according to the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to the present invention.
Description of element reference numerals
11. Dividing module
12. Merging module
21. Processor and method for controlling the same
22. Memory device
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
According to the map data acquisition method and system, the electronic equipment and the storage medium, the map data of at least two electronic maps are compatible and integrated, and the map data with the most comprehensive information is acquired, so that various requirements of users are met through a single electronic map, and user experience is improved.
Preferably, the at least two electronic maps are at least two electronic maps of a dog searching map, a hundred-degree map, a high-altitude map, a here map and a four-dimensional map.
The above-described various electronic maps are briefly described below.
The dog searching map is the earliest map website facing public service in China, and data covers 3000 counties and tens of millions of poi information points of nearly 400 cities in the whole country, so that driving route navigation in the whole country and bus transfer service of 130 cities are provided. Besides basic functions of searching, public transportation, self-driving navigation and other map, the map navigation system has other special applications such as multifunctional shops, road books, satellite diagrams, mobile phone maps and the like, and comprehensively meets the needs of people for mastering travel life anytime and anywhere.
The hundred-degree map is a network map search service provided by hundred degrees, covers nearly 400 cities and thousands of counties in China, can inquire the geographic positions of streets, markets and parks, and can find all the nearest restaurants, schools, banks, parks and the like. Besides the common electronic map function, the three-dimensional map display device also has the function of viewing the three-dimensional map.
The Goldmap comprises three route planning modes of self-driving, public transportation and walking, comprises intelligent voice navigation, latest and most complete road condition information and the function of real-time avoidance of front congestion road sections, and can download an offline map to cover various functions such as catering, accommodation, preferential, performance, group purchase and the like.
The Here map is a map service derived from nokia, and can provide free turn-by-turn voice navigation, public transportation information, and rich road transportation information, etc.
The four-dimensional map is a new navigation map developed by Beijing navigation map manufacturer, the basic data of the navigation map is obtained by the national surveying and mapping bureau, the route is complete, and basically some small roads in the country are collected.
Referring to fig. 1, the map data acquisition method of the present invention includes the steps of:
step S1, based on at least two electronic maps, each electronic map is correspondingly divided into a plurality of areas according to the same preset rule.
Preferably, the at least two electronic maps are at least two electronic maps of a dog searching map, a hundred-degree map, a high-altitude map, a here map and a four-dimensional map.
Specifically, when the electronic map is divided into areas, the preset rule is any one of the following rules:
1) Dividing according to administrative regions
The administrative area may be province, city, district, street, or village.
2) Dividing according to the size of a preset area
Specifically, a region of a certain shape of a certain size is set as a preset region, and division is performed in units of this preset region. For example, the preset area is a square with a side length of 4 km, the preset area is a rectangle with a length of 2 km and a width of 1 km, and the like. It should be noted that the selected preset area should cover the whole map area after being repeatedly arranged.
3) Dividing according to specific roads
For example, in the open sea, an area formed by beijing, nanjing, chengzhi, and tibetan is taken as one area, and an area formed by beijing, nanjing, chengzhi, and Jiang Ning is taken as another area.
Step S2, combining map data of the area in various electronic maps based on each area to obtain combined map data; the merged map data contains map data of the region in each electronic map.
Specifically, the merging of map data is performed in units of each area. When combining the map data of the area in various electronic maps, taking the union of the map data of the area in various electronic maps, thereby obtaining combined map data containing the map data of the area in each electronic map.
Step S2 comprises the steps of:
21 Based on each area, selecting the map data of one electronic map in the area as the current reference map data, and selecting the map data of any other electronic map in the area as the reference map data.
22 Based on each area, searching the reference map data one by one in the current reference map data; if the current reference map data is not included in the current reference map data, the current reference map data is added to the current reference map data to obtain updated reference map data.
Wherein, if the current reference map data is included in the current reference map data, the current reference map data remains unchanged without performing any operation.
23 Based on each area, selecting the map data of any remaining electronic map in the area as reference map data, taking the updated reference map data as current reference map data, repeating the operation until the operation on all the remaining electronic maps is completed, and taking the finally obtained updated reference map data as combined map data.
Therefore, the map data acquisition method can compatibly integrate the map data of various electronic maps, so as to acquire the map data with the most comprehensive information; when using map data, a user does not need to install and download a plurality of electronic maps at the same time, so that the system overhead is saved; the user experience is greatly improved.
Referring to fig. 2, the map data acquisition system of the present invention includes a dividing module 11 and a combining module 12.
The dividing module 11 is configured to correspondingly divide each electronic map into a plurality of areas according to the same preset rule based on at least two electronic maps.
Preferably, the at least two electronic maps are at least two electronic maps of a dog searching map, a hundred-degree map, a high-altitude map, a here map and a four-dimensional map.
Specifically, when the electronic map is divided into areas, the preset rule is any one of the following rules:
1) Dividing according to administrative regions
Wherein, administrative areas may be provinces, cities, regions, streets, or villages.
2) According to the preset area size division
Specifically, a region of a certain shape of a certain size is set as a preset region, and division is performed in units of this preset region. For example, the preset area is a square with a side length of 4 km, the preset area is a rectangle with a length of 2 km and a width of 1 km, and the like. It should be noted that the selected preset area should cover the whole map area after being repeatedly arranged.
3) Dividing according to specific roads
For example, in the open sea, an area formed by beijing, nanjing, chengzhi, and tibetan is taken as one area, and an area formed by beijing, nanjing, chengzhi, and Jiang Ning is taken as another area.
The merging module 12 is connected with the dividing module 11, and is used for merging the map data of the area in various electronic maps based on each area to obtain merged map data; the merged map data contains map data of the region in each electronic map.
Specifically, the merging of map data is performed in units of each area. When combining the map data of the area in various electronic maps, taking the union of the map data of the area in various electronic maps, thereby obtaining combined map data containing the map data of the area in each electronic map.
The dividing module 12 performs the following steps:
21 Based on each area, selecting the map data of one electronic map in the area as the current reference map data, and selecting the map data of any other electronic map in the area as the reference map data.
22 Based on each area, searching the reference map data one by one in the current reference map data; if the current reference map data is not included in the current reference map data, the current reference map data is added to the current reference map data to obtain updated reference map data.
Wherein, if the current reference map data is included in the current reference map data, the current reference map data remains unchanged without performing any operation.
23 Based on each area, selecting the map data of any remaining electronic map in the area as reference map data, taking the updated reference map data as current reference map data, repeating the operation until the operation on all the remaining electronic maps is completed, and taking the finally obtained updated reference map data as combined map data.
Therefore, the map data acquisition system can compatibly integrate map data of various electronic maps, so as to acquire the map data with the most comprehensive information; when using map data, a user does not need to install and download a plurality of electronic maps at the same time, so that the system overhead is saved; the user experience is greatly improved.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the above-described map data acquisition method. The specific principle of the map data acquisition method is as described above, and thus will not be described herein.
As shown in fig. 3, the present invention further provides an electronic device, which includes a processor 21 and a memory 22;
the memory 22 is used for storing a computer program.
The processor 21 is configured to execute a computer program stored in the memory 21 to cause the electronic device to execute the map data acquisition method described above.
In summary, the map data acquiring method and system, the electronic device and the storage medium of the present invention compatibly integrate map data of various electronic maps to acquire map data with the most comprehensive information; multiple electronic maps are not required to be installed and downloaded at the same time, so that the system overhead is saved; the obtained map data can meet various requirements of users on the premise of not adding additional operations of the users; the user experience is greatly improved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. A map data acquisition method characterized by:
the method comprises the following steps:
based on at least two electronic maps, each electronic map is correspondingly divided into a plurality of areas according to the same preset rule, wherein the preset rule comprises at least one of division according to administrative areas, division according to the size of the preset areas and division according to specific roads;
combining map data of the region in various electronic maps based on each region to obtain combined map data; the merged map data contains map data of the region in each electronic map;
combining map data of the region in various electronic maps based on each region to obtain combined map data comprises the following steps:
based on each region, selecting map data of one electronic map in at least two electronic maps in the region as current reference map data, and selecting map data of any other electronic map in the region as reference map data;
searching reference map data one by one in the current reference map data based on each region; if the current reference map data is not contained in the current reference map data, adding the current reference map data to obtain updated reference map data;
based on each region, selecting the map data of any remaining electronic map in the region as reference map data, taking the updated reference map data as current reference map data, repeating the operation until the operation on all the remaining electronic maps is completed, and taking the finally obtained updated reference map data as combined map data.
2. The map data acquisition method according to claim 1, characterized in that:
the at least two electronic maps are at least two electronic maps selected from a dog searching map, a hundred-degree map, a Goldmap, a here map and a four-dimensional map.
3. A map data acquisition system characterized in that:
the system comprises a dividing module and a merging module;
the dividing module is used for correspondingly dividing each electronic map into a plurality of areas according to the same preset rule based on at least two electronic maps, wherein the preset rule comprises at least one of dividing according to administrative areas, dividing according to the size of the preset areas and dividing according to specific roads;
the merging module is used for merging map data of the area in various electronic maps based on each area to obtain merged map data; the merged map data contains map data of the region in each electronic map;
the merging module performs the following operations when merging map data of an area in various electronic maps based on each area to obtain merged map data:
based on each region, selecting map data of one electronic map in at least two electronic maps in the region as current reference map data, and selecting map data of any other electronic map in the region as reference map data;
searching reference map data one by one in the current reference map data based on each region;
if the current reference map data is not contained in the current reference map data, adding the current reference map data to obtain updated reference map data;
based on each region, selecting the map data of any remaining electronic map in the region as reference map data, taking the updated reference map data as current reference map data, repeating the operation until the operation on all the remaining electronic maps is completed, and taking the finally obtained updated reference map data as combined map data.
4. A map data acquisition system according to claim 3, characterized in that:
the at least two electronic maps are at least two electronic maps selected from a dog searching map, a hundred-degree map, a Goldmap, a here map and a four-dimensional map.
5. A computer-readable storage medium having stored thereon a computer program, characterized by:
the program, when executed by a processor, implements the map data acquisition method of any one of claims 1 to 2.
6. An electronic device, characterized in that:
comprising the following steps:
a processor and a memory;
the memory is configured to store a computer program, and the processor is configured to execute the computer program stored in the memory, to cause the electronic device to execute the map data acquisition method according to any one of claims 1 to 2.
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| CN108319701B (en) * | 2018-02-05 | 2020-09-15 | 北京纬思拓信息科技有限公司 | Map data comprehensive processing method |
| CN108427412A (en) * | 2018-03-21 | 2018-08-21 | 广州市申迪计算机系统有限公司 | AGV dispatching methods, device, computer equipment and storage medium |
| CN109141446B (en) * | 2018-07-04 | 2021-11-12 | 阿波罗智能技术(北京)有限公司 | Method, apparatus, device and computer-readable storage medium for obtaining map |
| CN109215051B (en) * | 2018-09-13 | 2020-10-02 | 浙江省国土勘测规划有限公司 | Real estate surveying and mapping administrative region dividing method and system |
| CN110888963B (en) * | 2019-12-05 | 2022-09-20 | 北京百度网讯科技有限公司 | Data acquisition method and device, electronic equipment and storage medium |
| CN114185908B (en) * | 2021-12-13 | 2024-02-06 | 北京百度网讯科技有限公司 | Map data processing method and device, electronic equipment and storage medium |
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