CN106970975A - A kind of map information management method and system - Google Patents
A kind of map information management method and system Download PDFInfo
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- CN106970975A CN106970975A CN201710189839.8A CN201710189839A CN106970975A CN 106970975 A CN106970975 A CN 106970975A CN 201710189839 A CN201710189839 A CN 201710189839A CN 106970975 A CN106970975 A CN 106970975A
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- 238000007726 management method Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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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
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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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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- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention provides a kind of map information management method and system, and the above method includes：One group of route that the starting point is connected to the destination is planned between starting point and destination；Multiple points are chosen on such routes, and multiple border circular areas are determined with pre-set radius using the multiple point as the center of circle；The union refion of the multiple border circular areas is obtained as target area, and downloads the cartographic information of the target area.Said system includes：Planning unit, control unit, download unit, the planning unit are connected by described control unit with the download unit.The present invention is by selecting the subregion on route, and to being downloaded after the partial region data duplicate removal, not only save the download time of cartographic information, accelerate the display of programme path, and a large amount of a large amount of storages of hashes occupancy of client downloads are avoided, cause the problem of processing speed is reduced.
Description
Technical Field
The invention belongs to the field of computers, and particularly relates to a map information management method and system.
Background
At present, in order to effectively display the planned route information, in addition to the navigation data, all map information of an administrative area related to the route needs to be downloaded, and only a small part of the map information needing to be downloaded is often used when the planned route information is displayed. Therefore, downloading all the map information of the administrative area results in long downloading time and delay of displaying the planned route due to large data volume, and simultaneously, a large amount of storage space of the client is occupied.
Disclosure of Invention
The invention provides a map information management method and a map information management system, which aim to solve the problems.
In one aspect, the present invention provides a map information management method, including the following steps: planning a set of routes between a starting point and a destination connecting the starting point to the destination; selecting a plurality of points on the route, and determining a plurality of circular areas by taking the plurality of points as circle centers and using preset radiuses respectively; and acquiring a union region of the plurality of circular regions as a target region, and downloading map information of the target region.
In another aspect, the present invention provides a map information management system, including: the system comprises a planning unit, a control unit and a downloading unit, wherein the planning unit is connected with the downloading unit through the control unit; the planning unit is used for planning a group of routes between a starting point and a destination, wherein the starting point is connected to the destination; the control unit is used for selecting a plurality of points on the route and determining a plurality of circular areas by taking the plurality of points as circle centers and using preset radiuses respectively; and the downloading unit is used for acquiring a union region of the plurality of circular regions as a target region and downloading the map information of the target region.
Compared with the prior art, the invention provides a map information management method and a map information management system, which respectively use a plurality of points selected on a route from a starting point to a destination as circle centers and determine a plurality of circular areas by a preset radius, so that an obtained union area of the plurality of circular areas is used as a target area, and map information of the target area is downloaded and displayed. According to the method and the device, the partial area on the route is selected, and the data of the partial area is downloaded after being deduplicated, so that the downloading time of the map information is saved, the display of the planned route is accelerated, and the problem of processing speed reduction caused by the fact that a large amount of useless data are downloaded by a client side and a large amount of storage is occupied is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flowchart illustrating a map information management method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a map information downloading area determined on a route according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a map information downloading area determined on a route according to another preferred embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a map information downloading area determined on a route according to another preferred embodiment of the present invention;
fig. 5 is a schematic structural diagram of a map information management system according to a preferred embodiment of the invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Fig. 1 is a flowchart illustrating a map information management method according to a preferred embodiment of the invention.
As shown in fig. 1, a map information management method according to a preferred embodiment of the present invention includes:
a step 101 of planning a set of routes between a starting point and a destination, wherein the starting point is connected to the destination;
102, selecting a plurality of points on the route, and determining a plurality of circular areas by taking the plurality of points as circle centers and using preset radiuses respectively;
step 103, acquiring a union region of the plurality of circular regions as a target region, and downloading map information of the target region.
The specific method for selecting a plurality of points on the route as the circle center comprises the following steps: selecting the starting point as an initial circle center position, and sequentially selecting a plurality of points on the route as circle centers until the destination;
and the distance between two adjacent points is greater than zero and less than or equal to two times of the preset radius.
In the embodiment, assuming that the starting point is a and the destination is N, a set of routes L connecting the starting point a to the destination N is planned between the starting point a and the destination N; a plurality of points (C, D, respectively) are selected on the route L, a circular area a, a circular area C, a circular area D, and a circular area N are sequentially obtained with a preset radius (1 km, on the assumption) around the start point a, the point C, the point D, and the destination N, respectively, a union area of the circular area a, the circular area C, the circular area D, and the circular area N is taken as a target area, and map information of the target area is downloaded to the client and displayed.
Specifically, the specific method for selecting a plurality of points on the route L as the circle center includes: selecting a starting point as an initial circle center position, selecting a point C which is a certain preset distance away from the starting point A on the route L, continuously selecting a point D which is a certain preset distance away from the point C on the route L, and sequentially selecting corresponding points until the destination N, so that the distance between two adjacent points is larger than zero and is smaller than or equal to two times of the set preset radius. That is, assuming that the preset radius is 1, the distance between two adjacent points (i.e., a and C, C and D) may be greater than 0 and less than or equal to 2.
The specific method for selecting a plurality of points on the route as the circle center comprises the following steps: taking the starting point as an initial circle center position, and sequentially selecting a plurality of points on the route as circle centers to reach the destination by the length of twice the preset radius; or,
selecting all points forming the route, and taking each point on the route as a circle center until the destination; or,
and sequentially selecting a plurality of points on the route as circle centers to the destination by taking the starting point as the circle center and taking the length of one time of the preset radius as an interval.
As shown in fig. 2, assuming that a starting point is a and a destination is N, a set of routes L connecting the starting point a to the destination N is planned between the starting point a and the destination N, assuming that the length of the route L is 6km and the preset radius is 1km, taking the starting point a as the initial circle center position, selecting a point C away from the starting point A2km and a point D away from the point C2km on the route L, respectively obtaining a circular area A with the starting point A as the center and a preset radius of 1km, obtaining a circular area C with the point C as the center of a circle and a preset radius of 1km, obtaining a circular area D with the point D as the center of a circle and a preset radius of 1km, and obtaining a circular area N by taking the destination N as a circle center and a preset radius of 1km, taking a union area of the circular area A, the circular area C, the circular area D and the circular area N, taking the union area as a target area, and downloading map information of the target area to a client for displaying.
As shown in fig. 3, assuming that a starting point is a and a destination is N, a set of routes L connecting the starting point a to the destination N is planned between the starting point a and the destination N, assuming that the length of the route L is 3km and the preset radius is 1km, taking the starting point a as the initial circle center position, selecting a point C away from the starting point A1km on the route L, selecting a point D away from the point C1km, respectively obtaining a circular area A with the starting point A as the center and a preset radius of 1km, obtaining a circular area C with the point C as the center of a circle and a preset radius of 1km, obtaining a circular area D with the point D as the center of a circle and a preset radius of 1km, and obtaining a circular area N by taking the destination N as a circle center and a preset radius of 1km, taking a union area of the circular area A, the circular area C, the circular area D and the circular area N, taking the union area as a target area, and downloading map information of the target area to a client for displaying.
As shown in fig. 4, assuming that the starting point is a and the destination is N, a set of route L connecting the starting point a to the destination N is planned between the starting point a and the destination N, where the route L is composed of a plurality of adjacent points, and assuming that the length of the route L is 3km and the preset radius is 1km, the starting point a is taken as an initial circle center position, and each adjacent point on the route L is taken as a circle center in sequence and a circle is drawn with the preset radius of 1km to obtain a plurality of corresponding circular areas, a union area of the plurality of circular areas is taken and taken as a target area, and map information of the target area is downloaded to the client for display.
Planning a set of routes between a starting point and a destination connecting the starting point to the destination includes: one or more routes are planned between a starting point and a destination connecting the starting point to the destination.
When a plurality of routes connecting a starting point to a destination are planned between the starting point and the destination, a plurality of points are respectively selected on each route, and a plurality of circular areas are determined with preset radiuses by respectively taking the plurality of points as circle centers.
In this embodiment, assuming that the starting point is a and the destination is N, two routes connecting the starting point a to the destination N are planned between the starting point a and the destination N, which are the route L and the route K, respectively, a plurality of points are selected from the route L and the route K, respectively, and a plurality of circular areas corresponding to the plurality of points are determined by using the plurality of points as circle centers and using preset radii.
The map information includes: map data and navigation data.
And determining the size of the preset radius corresponding to the circle center according to the priority of the position of the circle center.
The size of the preset radius corresponding to the circle center can be determined according to the priority corresponding to the position of the circle center set by the client, for example, priority level 1 is the highest level, priority level 2 is higher than priority level 3, so that the preset radius corresponding to the position of the circle center at priority level 1 is larger than the preset radius corresponding to the position of the circle center at priority level 2, and the preset radius corresponding to the position of the circle center at priority level 2 is larger than the preset radius corresponding to the position of the circle center at priority level 3.
Fig. 5 is a schematic structural diagram of a map information management system according to a preferred embodiment of the invention. The map information management system according to an embodiment of the present invention may include: the system comprises a planning unit 501, a control unit 502 and a downloading unit 503, wherein the planning unit 501 is connected with the downloading unit 503 through the control unit 502; the planning unit 501 is configured to plan a set of routes between a starting point and a destination, where the starting point is connected to the destination; the control unit 502 is configured to select multiple points on the route, and determine multiple circular areas with the multiple points as centers of circles and preset radiuses; the downloading unit 503 is configured to acquire a union region of the plurality of circular regions as a target region, and download map information of the target region.
The control unit 502 is configured to select the starting point as an initial circle center position, and sequentially select multiple points on the route as circle centers until the destination;
and the distance between two adjacent points is greater than zero and less than or equal to two times of the preset radius.
The control unit 502 is configured to take the starting point as an initial circle center position, and sequentially select a plurality of points on the route as circle centers to reach the destination at intervals of twice the length of the preset radius; or,
the system is used for selecting all points forming the route and taking each point on the route as a circle center to reach the destination; or,
and the system is used for sequentially selecting a plurality of points on the route as the circle centers to the destination by taking the starting point as the circle center and the length of one time of the preset radius as the interval.
The planning unit 501 is configured to plan one or more routes between a starting point and a destination, where the starting point is connected to the destination.
When planning a plurality of routes between a start point and a destination to connect the start point to the destination, the planning unit 501 is configured to select a plurality of points on each route, respectively, and determine a plurality of circular areas with a preset radius using the plurality of points as centers, respectively.
Compared with the prior art, the invention provides a map information management method and a map information management system, which respectively use a plurality of points selected on a route from a starting point to a destination as circle centers and determine a plurality of circular areas by a preset radius, so that an obtained union area of the plurality of circular areas is used as a target area, and map information of the target area is downloaded and displayed. According to the method and the device, the partial area on the route is selected, and the data of the partial area is downloaded after being deduplicated, so that the downloading time of the map information is saved, the display of the planned route is accelerated, and the problem of processing speed reduction caused by the fact that a large amount of useless data are downloaded by a client side and a large amount of storage is occupied is solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A map information management method is characterized by comprising the following steps:
planning a set of routes between a starting point and a destination connecting the starting point to the destination;
selecting a plurality of points on the route, and determining a plurality of circular areas by taking the plurality of points as circle centers and using preset radiuses respectively;
and acquiring a union region of the plurality of circular regions as a target region, and downloading map information of the target region.
2. The map information management method according to claim 1, wherein a specific method of selecting a plurality of points on the route as a center of a circle includes: selecting the starting point as an initial circle center position, and sequentially selecting a plurality of points on the route as circle centers until the destination;
and the distance between two adjacent points is greater than zero and less than or equal to two times of the preset radius.
3. The map information management method according to claim 2, wherein a specific method of selecting a plurality of points on the route as a center of a circle includes:
taking the starting point as an initial circle center position, and sequentially selecting a plurality of points on the route as circle centers to reach the destination by the length of twice the preset radius; or,
selecting all points forming the route, and taking each point on the route as a circle center until the destination; or,
and sequentially selecting a plurality of points on the route as circle centers to the destination by taking the starting point as the circle center and taking the length of one time of the preset radius as an interval.
4. The map information management method according to claim 1, wherein planning a set of routes connecting a start point to a destination between the start point and the destination comprises: one or more routes are planned between a starting point and a destination connecting the starting point to the destination.
5. The map information management method according to claim 4, wherein when a plurality of routes connecting a start point to a destination are planned between the start point and the destination, a plurality of points are respectively selected on each route, and a plurality of circular areas are determined with a preset radius with the plurality of points respectively as a center.
6. The map information management method according to claim 1, wherein the map information includes: map data and navigation data.
7. The map information management method according to claim 1, wherein the size of the preset radius corresponding to the center of the circle is determined according to a priority of a position where the center of the circle is located.
8. A map information management system, characterized by comprising: the system comprises a planning unit, a control unit and a downloading unit, wherein the planning unit is connected with the downloading unit through the control unit;
the planning unit is used for planning a group of routes between a starting point and a destination, wherein the starting point is connected to the destination;
the control unit is used for selecting a plurality of points on the route and determining a plurality of circular areas by taking the plurality of points as circle centers and using preset radiuses respectively;
and the downloading unit is used for acquiring a union region of the plurality of circular regions as a target region and downloading the map information of the target region.
9. The map information management system according to claim 8, wherein the control unit is configured to select the start point as an initial circle center position, and sequentially select a plurality of points on the route as circle centers up to the destination;
and the distance between two adjacent points is greater than zero and less than or equal to two times of the preset radius.
10. The map information management system according to claim 9, wherein the control unit is configured to sequentially select a plurality of points on the route as the center of a circle up to the destination at a length twice the preset radius from the start point as an initial center position; or,
the system is used for selecting all points forming the route and taking each point on the route as a circle center to reach the destination; or,
and the system is used for sequentially selecting a plurality of points on the route as the circle centers to the destination by taking the starting point as the circle center and the length of one time of the preset radius as the interval.
11. The map information management system according to claim 8, wherein the planning unit is configured to plan one or more routes between a start point and a destination to connect the start point to the destination.
12. The map information management system according to claim 11, wherein when a plurality of routes are planned between a start point and a destination connecting the start point to the destination, the planning unit is configured to select a plurality of points on each route, respectively, and determine a plurality of circular areas with a preset radius with the plurality of points as centers of circles, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710189839.8A CN106970975A (en) | 2017-03-28 | 2017-03-28 | A kind of map information management method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710189839.8A CN106970975A (en) | 2017-03-28 | 2017-03-28 | A kind of map information management method and system |
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| CN106970975A true CN106970975A (en) | 2017-07-21 |
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| CN201710189839.8A Pending CN106970975A (en) | 2017-03-28 | 2017-03-28 | A kind of map information management method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831518A (en) * | 2019-03-06 | 2019-05-31 | 珠海金山网络游戏科技有限公司 | A kind of map datum method for down loading and device calculate equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006330745A (en) * | 2006-06-28 | 2006-12-07 | Sony Corp | Electronic map display device, electronic map display method, and navigation system |
| CN101006324A (en) * | 2004-06-30 | 2007-07-25 | Sk株式会社 | System and method for providing vehicle-mounted information service |
| CN103292820A (en) * | 2012-03-01 | 2013-09-11 | 日立(中国)研究开发有限公司 | Equipment and method for providing precise endurance range of mobile body for user |
| CN103984556A (en) * | 2014-05-30 | 2014-08-13 | 厦门云朵网络科技有限公司 | Map area construction device, method and monitor terminal |
| CN105865464A (en) * | 2015-01-21 | 2016-08-17 | 深圳市喂车科技有限公司 | Method and apparatus for searching interest points surrounding path |
-
2017
- 2017-03-28 CN CN201710189839.8A patent/CN106970975A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101006324A (en) * | 2004-06-30 | 2007-07-25 | Sk株式会社 | System and method for providing vehicle-mounted information service |
| JP2006330745A (en) * | 2006-06-28 | 2006-12-07 | Sony Corp | Electronic map display device, electronic map display method, and navigation system |
| CN103292820A (en) * | 2012-03-01 | 2013-09-11 | 日立(中国)研究开发有限公司 | Equipment and method for providing precise endurance range of mobile body for user |
| CN103984556A (en) * | 2014-05-30 | 2014-08-13 | 厦门云朵网络科技有限公司 | Map area construction device, method and monitor terminal |
| CN105865464A (en) * | 2015-01-21 | 2016-08-17 | 深圳市喂车科技有限公司 | Method and apparatus for searching interest points surrounding path |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831518A (en) * | 2019-03-06 | 2019-05-31 | 珠海金山网络游戏科技有限公司 | A kind of map datum method for down loading and device calculate equipment and storage medium |
| CN109831518B (en) * | 2019-03-06 | 2021-08-24 | 珠海金山网络游戏科技有限公司 | Map data downloading method and device, computing equipment and storage medium |
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