CN105589899B - A kind of display methods and display device of interest point in electronic map - Google Patents
A kind of display methods and display device of interest point in electronic map Download PDFInfo
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- CN105589899B CN105589899B CN201410659079.9A CN201410659079A CN105589899B CN 105589899 B CN105589899 B CN 105589899B CN 201410659079 A CN201410659079 A CN 201410659079A CN 105589899 B CN105589899 B CN 105589899B
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Abstract
The present invention provides the display methods and display device of a kind of interest point in electronic map, wherein the display methods includes: the sub-viewing areas obtained in electronic map display area；The point of interest POI information of the pre- drafting under preset ratio ruler in the sub-viewing areas is obtained, and priority ranking is carried out to the POI of the pre- drafting in the sub-viewing areas；Sequence is obtained from high to low according to priority, sequentially adds up the area information of POI mark outsourcing frame drawn in advance；When the ratio of the area information of the area information and sub-viewing areas for the POI mark outsourcing frame drawn in advance at X before accumulative is greater than a preset threshold, the POI drawn in advance to the preceding X-1 is drawn in the sub-viewing areas；Wherein, the X is integer.The solution of the present invention improves the drafting of electronic map and updates efficiency, and improves the aesthetic measure of electronic map drawing.
Description
Technical field
The present invention relates to electronic map processing technology fields, more particularly to a kind of display side of interest point in electronic map
Method and display device.
Background technique
Currently, classifying in the drawing process of electronic map according only to the importance rate of point of interest POI, control is every
A kind of POI is in the case where certain proportion ruler, if shown on electronic map drawing and POI between evacuation rule
Then, the regional POI that will cause show it is overstocked so that electronic map drawing information content overload, letter symbol it is excessive, show it is not beautiful
It sees, the problems such as influencing the browsing of map, cause Consult of map inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of display methods of interest point in electronic map and display devices, are able to solve mesh
The POI in some areas is shown overstocked in preceding electronic map, is caused map drawing unsightly, is influenced the access of map and asking for browsing
Topic.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of display side of interest point in electronic map
Method, wherein include:
Obtain the sub-viewing areas in electronic map display area；
The point of interest POI information of the pre- drafting under preset ratio ruler in the sub-viewing areas is obtained, and to the son
The POI of pre- drafting in display area carries out priority ranking；
Sequence, the area information of the accumulative POI mark outsourcing frame drawn in advance are obtained from high to low according to priority；
The area information of the area information and the sub-viewing areas of the X POI mark outsourcing frames drawn in advance before accumulative
Ratio when being greater than a preset threshold, the POI that the preceding X-1 is drawn in advance is drawn in the sub-viewing areas；Wherein,
The X is integer.
Wherein, the step of sub-viewing areas obtained in electronic map display area includes:
Obtain the display region information of electronic map；
The display area is divided, N number of sub-viewing areas is obtained；
Obtain one of sub-viewing areas in N number of sub-viewing areas；Wherein, the N is more than or equal to 1
Integer.
Wherein, described the step of dividing to the display area, obtain N number of sub-viewing areas, includes:
Grid dividing is carried out to the display area, obtains N number of latticed sub-viewing areas.
Wherein, the point of interest POI information of the pre- drafting of the acquisition under preset ratio ruler in the sub-viewing areas
Step includes:
It obtains the quantity information of the point of interest POI of the pre- drafting under preset ratio ruler in the sub-viewing areas, draw in advance
The grade significance level value information of the point of interest POI of system, the point of interest POI drawn in advance believe in the coordinate of the sub-viewing areas
Breath, pre- drafting with outsourcing frame point of interest POI be labeled in the display position information of the sub-viewing areas and each pre-
The area information of the point of interest POI mark outsourcing frame of drafting.
Wherein, the point of interest POI for obtaining the pre- drafting with outsourcing frame is labeled in the display position of the sub-viewing areas
The step of information includes:
The point of interest POI for obtaining the pre- drafting with rectangle outsourcing frame is labeled in the display position letter of the sub-viewing areas
Breath.
Wherein, the step of POI to the pre- drafting in the sub-viewing areas carries out priority ranking include:
According to the grade importance value of the POI drawn in advance, the POI of the pre- drafting in the sub-viewing areas is carried out excellent
First grade sequence；Wherein, the grade importance value of the POI drawn in advance is bigger, and the priority-level of the POI drawn in advance is higher.
In order to solve the above-mentioned technical problem, the embodiment of the present invention also provides a kind of display dress of interest point in electronic map
It sets, wherein include:
Module is obtained, for obtaining the sub-viewing areas in electronic map display area；
Sorting module, for obtaining the M point of interest POI information under preset ratio ruler in the sub-viewing areas, and
Priority ranking is carried out to the M POI；
Accumulation module, for obtaining sequence, the area of the accumulative POI mark outsourcing frame drawn in advance from high to low according to priority
Information；
Drafting module, for the area information of a POI mark outsourcing frame drawn in advance of X and the sub- viewing area before accumulative
When the ratio of the area information in domain is greater than a preset threshold, POI that the preceding X-1 is drawn in advance the sub-viewing areas into
Row is drawn；Wherein, the X is integer.
Wherein, the acquisition module includes:
First acquisition submodule, for obtaining the display region information of electronic map；
It divides submodule and obtains N number of sub-viewing areas for dividing to the display area；
Second acquisition submodule, for obtaining one of sub-viewing areas in N number of sub-viewing areas；Wherein,
The N is the integer more than or equal to 1.
Wherein, the division submodule includes:
Division unit obtains N number of latticed sub-viewing areas for carrying out grid dividing to the display area.
Wherein, the sorting module includes:
Third acquisition submodule, for obtaining the point of interest of the pre- drafting under preset ratio ruler in the sub-viewing areas
The quantity information of POI, the grade significance level value information of the point of interest POI drawn in advance, the point of interest POI that draws in advance are in the son
The coordinate information of display area, pre- drafting with outsourcing frame point of interest POI be labeled in the display position of the sub-viewing areas
The area information of confidence breath and the point of interest POI mark outsourcing frame each drawn in advance.
Wherein, the third acquisition submodule includes:
Acquiring unit, the point of interest POI for obtaining the pre- drafting for having rectangle outsourcing frame are labeled in the sub- viewing area
The display position information in domain.
Wherein, the sorting module further include:
Sorting sub-module, for the grade importance value according to the POI drawn in advance, to pre- in the sub-viewing areas
The POI of drafting carries out priority ranking；Wherein, the grade importance value of the POI drawn in advance is bigger, and the POI's drawn in advance is excellent
First grade rank is higher.
The beneficial effects of the present invention are:
The solution of the present invention, using the POI of the sub-viewing areas first to electronic map under a scale bar, according to etc.
Grade significance level, carries out priority ranking, and then the sequence according to priority from high to low, is drawn, and in accumulative POI
The area value for marking outsourcing frame, in the ratio of the area value of the area value and sub-viewing areas of accumulative POI mark outsourcing frame
When greater than a preset threshold, stop drawing.The solution of the present invention is used, so that the POI on electronic map drawing is shown rationally, no
As for overstocked, the aesthetic measure of electronic map drawing is improved, meanwhile, whether the solution of the present invention reduces human intervention POI
The process of display improves the drafting of electronic map and updates efficiency.
Detailed description of the invention
Fig. 1 shows the display methods flow diagrams of interest point in electronic map of the invention；
Fig. 2 indicates the display schematic diagram of POI in existing electronic map；
After Fig. 3 expression uses the solution of the present invention, the display schematic diagram of POI in the electronic map in Fig. 2；
Fig. 4 indicates the display device structure schematic diagram one of interest point in electronic map of the invention；
Fig. 5 indicates the display device structure schematic diagram two of interest point in electronic map of the invention；
Fig. 6 indicates the display device structure schematic diagram three of interest point in electronic map of the invention；
Fig. 7 indicates the display device structure schematic diagram four of interest point in electronic map of the invention；
Fig. 8 shows the display device structure schematic diagrames five of interest point in electronic map of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the display methods of interest point in electronic map of the invention, includes the following steps:
Step 11, the sub-viewing areas in electronic map display area is obtained；
Step 12, the point of interest POI information of the pre- drafting under preset ratio ruler in the sub-viewing areas is obtained, and right
The POI of pre- drafting in the sub-viewing areas carries out priority ranking；
Step 13, sequence, the area information of the accumulative POI mark outsourcing frame drawn in advance are obtained from high to low according to priority；
Step 14, the POI that X are drawn in advance before accumulative marks the area information of outsourcing frame and the face of the sub-viewing areas
When the ratio of product information is greater than a preset threshold, the POI drawn in advance to the preceding X-1 is drawn in the sub-viewing areas
System；Wherein, the X is integer.
In the following, elaborating in conjunction with attached drawing and specific embodiment to above-mentioned steps 11 to step 14.
Obtain the display region information of the electronic map first, if the indication range of the display area be 100mm ×
100mm obtains N number of latticed sub-viewing areas, of the invention it is then possible to carry out grid dividing to the display area
In specific embodiment, impartial division can be carried out to the indication range, for example can be divided into 100 10mm × 10mm is in
Latticed sub-viewing areas.Then, a wherein sub-viewing areas is obtained.
Since under different scale bars, the POI number amount and type in the sub-viewing areas of above-mentioned acquisition are also not identical
, therefore, it is necessary to the POI in the sub-viewing areas under each scale bar, respectively under corresponding scale bar, in the acquisition
It is drawn respectively in sub-viewing areas.Wherein, the mistake POI in the sub-viewing areas under each scale bar drawn
Journey can carry out simultaneously.It is subject to below with the process drawn to the POI in the sub-viewing areas under a preset ratio ruler
It is described in detail:
For example, this believes firstly, getting the POI information of the pre- drafting under a preset ratio ruler in the sub-viewing areas
Breath includes: the quantity information of the POI of pre- drafting, the grade significance level value information of the POI drawn in advance, the POI that draws in advance in institute
State the coordinate information of sub-viewing areas, the POI of pre- drafting with outsourcing frame is labeled in the display position of the sub-viewing areas
The area information of information and the POI each drawn in advance mark outsourcing frame.If as shown in Fig. 2, pre- in a sub-viewing areas
The POI quantity of drafting is 7, and the grade importance value of 7 POI drawn in advance can obtain in the database, if according to
It is secondary are as follows: the Chinese Art Gallery is 48 (being merely illustrative), and Wangfujing grand hotel is 45, is 38 in Beijing 27, family happiness king
It is 30 towards hotel, stamp company, Beijing is 28, and Dengshikou primary school is 25, and the hotel social sciences Bo Yuan is 20.This 7 draw in advance
POI can obtain 7 POI drawn in advance in the sub-viewing areas in the coordinate information of the sub-viewing areas in the database
Coordinate information.The POI of this 7 pre- draftings with outsourcing frame (generally rectangular cross-section outsourcing frame) is labeled in the sub-viewing areas
Display position information, these display position information can also obtain in the database.This 7 POI mark outsourcings drawn in advance
The area information of frame can obtain in the database, if the area value for being respectively as follows: " the Chinese Art Gallery " mark outsourcing frame is
10m2(being merely illustrative), the area value that " Wangfujing grand hotel " marks outsourcing frame is 15m2, " Beijing 27 " marks outer
The area value of packet frame is 30m2, the area value that " hotel, family happiness imperial court " marks outsourcing frame is 35m2, " stamp company, Beijing " mark
The area value of outsourcing frame is 30m2, the area value that " Dengshikou primary school " marks outsourcing frame is 25m2, " hotel social sciences Bo Yuan " marks outer
The area value of packet frame is 35m2。
After getting the information of POI of above-mentioned pre- drafting, to above-mentioned 7 POI drawn in advance according to grade significance level
Value carries out the sequence of priority, is sequentially the Chinese Art Gallery, Wangfujing grand hotel, in Beijing 27, hotel, family happiness imperial court,
Stamp company, Beijing, Dengshikou primary school, the hotel social sciences Bo Yuan；Then, sequence is obtained from high to low according to priority, it is pre- to add up this
The area information of the POI mark outsourcing frame of drafting；X (X is less than or equal to 7) a POI drawn in advance marks outsourcing before accumulative
It is pre- to the preceding X-1 when the ratio of the area information of the area information of frame and the sub-viewing areas is greater than a preset threshold
The POI of drafting is drawn in the sub-viewing areas；Wherein, the X is integer.Wherein, in specific embodiments of the present invention
In, if, which is 0.85, aobvious in the area information and the son for adding up first 4 POI drawn in advance mark outsourcing frames
The ratio for showing the area information in region is 0.8, less than 0.85, adds up the area information of first 5 POI drawn in advance mark outsourcing frames
Ratio with the area information of the sub-viewing areas is 1.05, when being greater than 0.85, then to preceding 4 POI drawn in advance: middle Guomei
Art shop, Wangfujing grand hotel, in Beijing 27, hotel, family happiness imperial court is in the sub-viewing areas, according to aforementioned acquisition
The POI of 4 POI drawn in advance drawn in advance in the coordinate information of the sub-viewing areas and this 4 is annotated in the sub- display
Display position information in region is drawn, and has been drawn as shown in Figure 3.
It to sum up, is the process drawn to the POI in the sub-viewing areas under a preset ratio ruler, certainly, to each
The process that the POI in the sub-viewing areas under a scale bar is drawn, can carry out simultaneously, and it is also identical to draw scheme.When
So, the drafting of each sub-viewing areas is also possible to carry out simultaneously, and principle is identical, and details are not described herein.
The solution of the present invention improves the drafting of electronic map and updates efficiency, and improves the beauty of electronic map drawing
Sight degree.
As shown in figure 4, the embodiment of the present invention also provides a kind of display device of interest point in electronic map, wherein packet
It includes:
Module 41 is obtained, for obtaining the sub-viewing areas in electronic map display area；
Sorting module 42, for obtaining the M point of interest POI information under preset ratio ruler in the sub-viewing areas,
And priority ranking is carried out to the M POI；
Accumulation module 43, for obtaining sequence, the face of the accumulative POI mark outsourcing frame drawn in advance from high to low according to priority
Product information；
Drafting module 44, area information and the sub- display for the X POI mark outsourcing frames drawn in advance before accumulative
When the ratio of the area information in region is greater than a preset threshold, the POI drawn in advance to the preceding X-1 is in the sub-viewing areas
It is drawn；Wherein, the X is integer.
Wherein, the acquisition module 41, as shown in Figure 5, comprising:
First acquisition submodule 51, for obtaining the display region information of electronic map；
It divides submodule 52 and obtains N number of sub-viewing areas for dividing to the display area；
Second acquisition submodule 53, for obtaining one of sub-viewing areas in N number of sub-viewing areas；Its
In, the N is the integer more than or equal to 1.
Wherein, the division submodule 52, as shown in Figure 6, comprising:
Division unit 61 obtains N number of latticed sub-viewing areas for carrying out grid dividing to the display area.
Wherein, the sorting module 42, as shown in fig. 7, comprises:
Third acquisition submodule 71, for obtaining the interest of the pre- drafting under preset ratio ruler in the sub-viewing areas
The quantity information of point POI, the grade significance level value information of the point of interest POI drawn in advance, the point of interest POI that draws in advance are described
The coordinate information of sub-viewing areas, pre- drafting with outsourcing frame point of interest POI be labeled in the display of the sub-viewing areas
The area information of location information and the point of interest POI each drawn in advance mark outsourcing frame.
Wherein, the third acquisition submodule 71, comprising:
Acquiring unit, the point of interest POI for obtaining the pre- drafting for having rectangle outsourcing frame are labeled in the sub- viewing area
The display position information in domain.
Wherein, the sorting module 42, as shown in Figure 8, further includes:
Sorting sub-module 81, for the grade importance value according to the POI drawn in advance, in the sub-viewing areas
The POI drawn in advance carries out priority ranking；Wherein, the grade importance value of the POI drawn in advance is bigger, the POI's drawn in advance
Priority-level is higher.
It should be noted that the device is the device for including the above method, the implementation of the embodiment of the above method is suitable
For can also reach identical technical effect in the embodiment of the device.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of display methods of interest point in electronic map characterized by comprising
Obtain the sub-viewing areas in electronic map display area；
The point of interest POI information of the pre- drafting under preset ratio ruler in the sub-viewing areas is obtained, and to the sub- display
The POI of pre- drafting in region carries out priority ranking；
Sequence, the area information of the accumulative POI mark outsourcing frame drawn in advance are obtained from high to low according to priority；
The ratio of the area information and the area information of the sub-viewing areas of the X POI mark outsourcing frames drawn in advance before accumulative
When value is greater than a preset threshold, the POI drawn in advance to the preceding X-1 is drawn in the sub-viewing areas；Wherein, described
X is integer, and the X is less than or equal to the number of the point of interest POI of the pre- drafting in the sub-viewing areas.
2. display methods according to claim 1, which is characterized in that the son obtained in electronic map display area
The step of display area includes:
Obtain the display region information of electronic map；
The display area is divided, N number of sub-viewing areas is obtained；
Obtain one of sub-viewing areas in N number of sub-viewing areas；Wherein, the N is whole more than or equal to 1
Number.
3. display methods according to claim 2, which is characterized in that it is described that the display area is divided, obtain N
The step of a sub-viewing areas includes:
Grid dividing is carried out to the display area, obtains N number of latticed sub-viewing areas.
4. display methods according to claim 1, which is characterized in that acquisition sub- display under preset ratio ruler
The step of point of interest POI information of pre- drafting in region includes:
It obtains the quantity information of the point of interest POI of pre- drafting under preset ratio ruler in the sub-viewing areas, draw in advance
Coordinate information, the band of the grade significance level value information of point of interest POI, the point of interest POI drawn in advance in the sub-viewing areas
There is the point of interest POI of the pre- drafting of outsourcing frame to be labeled in the display position information and each pre- drafting of the sub-viewing areas
Point of interest POI mark outsourcing frame area information.
5. display methods according to claim 4, which is characterized in that obtain the point of interest of the pre- drafting with outsourcing frame
POI is labeled in the step of display position information of the sub-viewing areas and includes:
The point of interest POI for obtaining the pre- drafting with rectangle outsourcing frame is labeled in the display position information of the sub-viewing areas.
6. display methods according to claim 4, which is characterized in that the pre- drafting in the sub-viewing areas
POI carry out priority ranking the step of include:
According to the grade importance value of the POI drawn in advance, priority is carried out to the POI of the pre- drafting in the sub-viewing areas
Sequence；Wherein, the grade importance value of the POI drawn in advance is bigger, and the priority-level of the POI drawn in advance is higher.
7. a kind of display device of interest point in electronic map characterized by comprising
Module is obtained, for obtaining the sub-viewing areas in electronic map display area；
Sorting module, for obtaining the M point of interest POI information under preset ratio ruler in the sub-viewing areas, and to institute
It states M POI and carries out priority ranking；
Accumulation module, for obtaining sequence, the area letter of the accumulative POI mark outsourcing frame drawn in advance from high to low according to priority
Breath；
Drafting module, area information and the sub-viewing areas for the X POI mark outsourcing frames drawn in advance before accumulative
When the ratio of area information is greater than a preset threshold, the POI drawn in advance to the preceding X-1 is drawn in the sub-viewing areas
System；Wherein, the X is integer, and the X is less than or equal to the number of the point of interest POI of the pre- drafting in the sub-viewing areas.
8. display device according to claim 7, which is characterized in that the acquisition module includes:
First acquisition submodule, for obtaining the display region information of electronic map；
It divides submodule and obtains N number of sub-viewing areas for dividing to the display area；
Second acquisition submodule, for obtaining one of sub-viewing areas in N number of sub-viewing areas；Wherein, the N
For the integer more than or equal to 1.
9. display device according to claim 8, which is characterized in that the division submodule includes:
Division unit obtains N number of latticed sub-viewing areas for carrying out grid dividing to the display area.
10. display device according to claim 7, which is characterized in that the sorting module includes:
Third acquisition submodule, for obtaining the point of interest POI of the pre- drafting under preset ratio ruler in the sub-viewing areas
Quantity information, the grade significance level value information of the point of interest POI drawn in advance, the point of interest POI that draws in advance it is aobvious in the son
Show the coordinate information in region, the point of interest POI of pre- drafting with outsourcing frame is labeled in the display position of the sub-viewing areas
The area information of information and the point of interest POI each drawn in advance mark outsourcing frame.
11. display device according to claim 10, which is characterized in that the third acquisition submodule includes:
Acquiring unit, the point of interest POI for obtaining the pre- drafting for having rectangle outsourcing frame are labeled in the sub-viewing areas
Display position information.
12. display device according to claim 10, which is characterized in that the sorting module further include:
Sorting sub-module, for the grade importance value according to the POI drawn in advance, to the pre- drafting in the sub-viewing areas
POI carry out priority ranking；Wherein, the grade importance value of the POI drawn in advance is bigger, the priority of the POI drawn in advance
Rank is higher.
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| CN106228588A (en) * | 2016-07-20 | 2016-12-14 | 东方网力科技股份有限公司 | Image Hotpoint creation methods based on big data and device |
| CN107679189A (en) * | 2017-09-30 | 2018-02-09 | 百度在线网络技术（北京）有限公司 | A kind of point of interest update method, device, server and medium |
| CN110140123B (en) * | 2017-09-30 | 2023-11-10 | 北京嘀嘀无限科技发展有限公司 | System and method for loading and displaying sites |
| CN107992522B (en) * | 2017-11-06 | 2021-09-28 | 腾讯科技（深圳）有限公司 | Image processing method and device and terminal equipment |
| CN110634381A (en) * | 2018-06-25 | 2019-12-31 | 百度在线网络技术（北京）有限公司 | Method and device for determining labeling style |
| CN109522345A (en) * | 2018-11-19 | 2019-03-26 | 百度在线网络技术（北京）有限公司 | For showing the method and device of information |
| CN109740072B (en) * | 2018-12-29 | 2023-07-04 | 携程计算机技术（上海）有限公司 | Hotel ordering method and system based on POI under OTA platform |
| CN112100302B (en) * | 2020-09-02 | 2024-03-29 | 北京百度网讯科技有限公司 | Map information point display method, apparatus, device and readable storage medium |
| CN116484122B (en) * | 2023-06-19 | 2023-09-08 | 国家基础地理信息中心 | Method and system for processing interest point data |
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