CN101231175A - Method for labeling interest points on global positioning system electronic map - Google Patents
Method for labeling interest points on global positioning system electronic map Download PDFInfo
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- CN101231175A CN101231175A CNA2007100368117A CN200710036811A CN101231175A CN 101231175 A CN101231175 A CN 101231175A CN A2007100368117 A CNA2007100368117 A CN A2007100368117A CN 200710036811 A CN200710036811 A CN 200710036811A CN 101231175 A CN101231175 A CN 101231175A
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Abstract
The invention relates to a method of marking interest points on an electronic map of a global orientating system, the method is applied to an electronic device for loading a signal receiving unit of the global orientating system. In the method, first, the electronic map of any region of the global orientating system is downloaded, and when signals of additive interest points on the electronic map are received, the signals of the additive interest points itinerate between each interest point in the region at least five times, and the coordinates of longitude and latitude of each interest point are received and stored in each itineration, and all coordinates of longitude and latitude of each point are added and averaged, thus, the norm coordinates of each point are obtained. When an absolute value of a difference value between the coordinates of longitude and latitude of each point and each group and the norm coordinates of the point exceeds allowed errors, the coordinates of longitude and latitude are eliminated. All coordinates of longitude and latitude of each interest point are added and averaged again, then, final marked coordinates of longitude and latitude of each point are obtained and are used for marking and displaying each interest point on the electronic map. By the method, every manufacturer can voluntarily add interest points according to different regions, and the demand of positioning with high precision is met.
Description
[technical field]
The existing global positioning system electronic map of the relevant a kind of improvement of the present invention, the method for especially on this electronic chart, adding point of interest.
[background technology]
At present, flourish along with tourist industry, the electronic product that loads GPS (GPS) the pursuing of gang that more and more be subjected to driving.But the electronic chart in this GPS in use has following defective: present scenic spot guide figure is drawn voluntarily by each scenic spot mostly, attractive in appearancely often tourist map has been carried out bigger distortion for pursuing, and can not satisfy the requirement at sight spot, accurate location; And often relate to vast region and general simulated representation trend of road and mark its title by the map that professional surveying and mapping unit finishes, can not satisfy the traveller to concrete certain a bit pinpoint requirement.
Therefore each the tame manufacturer that produces this electronic product just needs individual demand at the terminal user of different regions interest point annotation (POI voluntarily on this electronic chart, Points Of Interest) and uninterruptedly upgrade, one of way before: at first be with this electronic product to each point of interest test, put down in writing current latitude and longitude coordinates then and relevant position mark on the printout of this electronic chart, be labeled on the electronic chart with Adobe Photoshop software at last, this way utmost point is lost time and possibly can't be improved the mark precision; Two of way: fictionalize the plan view image (even can be the 3D model) that comprises road, buildings etc. with Google Earth, but this technology demonstrates at present only more detailed point of interest distribution plan on the electronic chart of American-European countries and some big and medium-sized cities of China, to some remote districts of China then the level of detail of coverage rate and point of interest obviously can not meet the demands.
In view of above-mentioned, be necessary to develop a kind of on global positioning system electronic map the method for interest point annotation, whereby can be in zone that some Google Earth fail to cover fully interest point annotation voluntarily, and this mark need more accurate, to remedy the deficiency of above-mentioned two kinds of ways.
[summary of the invention]
Therefore, purpose of the present invention promptly provide a kind of on global positioning system electronic map the method for interest point annotation, when using this method and making each manufacturer produce in enormous quantities at different regions terminal user's demand interest point annotation voluntarily on this electronic chart, and this mark need reach certain accuracy requirement, with overcome above-mentioned field test lose time and accurate inadequately, and Google Earth coverage rate is not enough and the detailed inadequately shortcoming of point of interest.
For reaching above-mentioned purpose, the invention provides a kind of on global positioning system electronic map the method for interest point annotation, this method is applied to one and loads in the electronic installation of global positioning system signal receiving element, wherein this global positioning system signal receiving element is in order to receive from the packet of GPS satellite and to separate package to obtain the latitude and longitude coordinates of this electronic installation position, and its step is as follows:
Download the global positioning system electronic map in arbitrary zone;
When receiving the signal that on above-mentioned electronic chart, adds point of interest, between each point of interest that at least 5 times are gone the rounds in regular turn in this zone, and in each touring process, receive the latitude and longitude coordinates that stores each point of interest;
Add with all latitude and longitude coordinates of each point average the each point reference coordinate;
The absolute difference of respectively organizing latitude and longitude coordinates and this reference coordinate when each point exceeds permissible error, rejects this latitude and longitude coordinates;
Add with all latitude and longitude coordinates of each point of interest average again respectively the final mark latitude and longitude coordinates of each point;
On this electronic chart, mark each point of interest and demonstration with above-mentioned final mark latitude and longitude coordinates.
Compared with prior art, the present invention is interest point annotation on existing global positioning system electronic map, tourist map at Gong the GPS location of different regions is provided, not only each manufacturer can realize volume production, satisfy terminal user's individual demand, make the mobile electronic product of loading GPS more welcome, and this method also can satisfy the requirement of hi-Fix point of interest.
[description of drawings]
Fig. 1 is the process flow diagram of a preferred embodiment of the method for interest point annotation on global positioning system electronic map of the present invention.
Fig. 2 is the process flow diagram of another preferred embodiment of the method for interest point annotation on global positioning system electronic map of the present invention.
[embodiment]
It among Fig. 1 the process flow diagram of a preferred embodiment of this method, this method is applied to one and loads in the electronic installation of global positioning system signal receiving element, wherein this global positioning system signal receiving element is in order to receive from the packet of GPS satellite and to separate package to obtain the latitude and longitude coordinates of this electronic installation position, and its concrete steps are as follows:
The global positioning system electronic map of downloading arbitrary zone from the internet with Google Earth software is in this electronic installation, and wherein this electronic chart is each road of fundamental construction with the latitude and longitude coordinates and shows it (step S101) with plan view image.
The interface (step S102) that system provides an inquiry user whether to add point of interest on above-mentioned electronic chart, for example the function choosing-item acknowledgement window that " whether begins interest point annotation " when the user clicks "No", then finishes this flow process; When the user clicks "Yes", then proceed to step S103.
When receiving the control signal corresponding to "Yes" of on above-mentioned electronic chart, adding point of interest, the user carries this electronic installation at least and comprise each point of interest of going the rounds in regular turn for 5 times in this zone (as the refuelling station simultaneously, the hotel, shop and sight spot etc.) between, and this global positioning system signal receiving element this electronic installation current location of expression of receiving world locational system satellite transmission at a certain time interval is in the latitude and longitude coordinates of each point of interest and the buffer that deposits system in (step S103), shown in the preferably following tabulation 1 of saving format, wherein should the definite of the time interval be as the criterion so that 4-digit number is constant behind each latitude and longitude coordinates radix point.
Table 1
Transfer all latitude and longitude coordinates of arbitrary point of interest in the table 1 and add and average each point reference coordinate (step S104).Its principle is as follows: be to improve the accuracy of numerical value, need repeatedly measure each point of interest and add and average to such an extent that finally mark coordinate; Be about to coordinate figure and be defined in that (this permissible error is a default value in the permissible error scope for eliminating gross error, as 0.0003 °), at first repeatedly (at least and comprise 5 times) is touring and record the latitude and longitude coordinates of each point respectively between several points of interest, and every every group of latitude and longitude coordinates (promptly going up each space in the table 1) is by test each point gained in the touring process, wherein, the some groups of latitude and longitude coordinates stochastic distribution and the numerical value of this same point are close, therefore a certain group of latitude and longitude coordinates and other group latitude and longitude coordinates difference when this point exceeds permissible error, be embodied as: when measuring number of times abundant (as 20 times), add and all latitude and longitude coordinates are averaged as the benchmark latitude and longitude coordinates, ask difference with arbitrary group of latitude and longitude coordinates and this benchmark latitude and longitude coordinates, when this absolute difference 〉=0.0003 °, represent that this group latitude and longitude coordinates exceeds permissible error and gross error promptly occurs, should give rejecting; Be further to improve the degree of accuracy of numerical value, can reject earlier this put that minimum and maximum value in all latitude and longitude coordinates adds again and remaining coordinate figure is averaged again this reference coordinate.
Judge that each point respectively organizes the absolute difference of latitude and longitude coordinates and this reference coordinate and whether exceed permissible error (step S105), if all data all do not exceed permissible error, then go to step S107,, then proceed to step S106 if at least one group of data exceed permissible error.
Rejecting exceeds the latitude and longitude coordinates (step S106) of permissible error.
Add with all latitude and longitude coordinates of each point of interest average again respectively the final mark latitude and longitude coordinates (step S107) of each point.
On this electronic chart, mark each point of interest and show (step S108) with above-mentioned some final mark latitude and longitude coordinates.
It among Fig. 2 the process flow diagram of another preferred embodiment of this method, also be applied in the electronic installation of above-mentioned loading global positioning system signal receiving element, wherein this global positioning system signal receiving element is in order to receive from the packet of GPS satellite and to separate package to obtain the latitude and longitude coordinates of this electronic installation position, and these method concrete steps are as follows:
The global positioning system electronic map of downloading arbitrary zone (as Shanghai City) from the internet with Google Earth software is in this electronic installation, and wherein this electronic chart is each road of fundamental construction with the latitude and longitude coordinates and shows it (step S201) with plan view image.
The interface (step S202) that system provides an inquiry user whether to add point of interest on above-mentioned electronic chart, the function choosing-item acknowledgement window that " whether begins interest point annotation " for example, when the user clicks "No", then this global positioning system signal receiving element will represent that directly the latitude and longitude coordinates of this electronic installation current location is shown on the display screen of this electronic installation and finishes this flow process; When the user clicks "Yes", then proceed to step S203.
When receiving the control signal corresponding to "Yes" of on above-mentioned electronic chart, adding point of interest, the user carries this electronic installation and moves to a point of interest in this zone and (be as the criterion with this point of interest main entrance mid point, as the three tunnel No. 211 main entrance mid points in field, Zhabei District river, Shanghai City), and this global positioning system signal receiving element receives at least at interval with certain hour and this electronic installation current location of expression of comprising the output of 4 GPS satellite promptly this point of interest latitude and longitude coordinates and deposit (step S203) in the above-mentioned table 1 in, wherein should the time interval determine do not become standard with 4-digit number behind the latitude and longitude coordinates radix point.
Judge whether to locate other point of interest (step S204), if, then go to step S203, if not, then proceed to step S205.
The user carries this electronic installation at least and comprise between each point of interest of going the rounds in regular turn in this zone for 5 times, and the latitude and longitude coordinates that receives each point of interest in each touring process also is stored in the table 1 (step S205) equally.
Reject maximum, the minimum value of all latitude and longitude coordinates of each point, and add and remaining coordinate figure average again each point reference coordinate (step S206).
Judge that each point respectively organizes the absolute difference of latitude and longitude coordinates and this reference coordinate and whether exceed permissible error (step S207), if all data all do not exceed permissible error, then go to step S211,, then proceed to step S208 if at least one group of data exceed permissible error.
Reject the latitude and longitude coordinates that this exceeds permissible error, and system prompt moves to the point of interest corresponding with this longitude and latitude, and the latitude and longitude coordinates of measuring this point once more deposits in the table 1 in; In addition, system also need move to the number of times of corresponding point of interest again according to the group number prompting of the latitude and longitude coordinates of rejecting, and promptly measures the number of times (step S208) of the latitude and longitude coordinates of this point again.
Reject the latitude and longitude coordinates newly add and maximum, the minimum value rejected in some groups of remaining after the latitude and longitude coordinates that The the exceeds permissible error latitude and longitude coordinates, and add and remaining coordinate figure average again second reference coordinate (step S209).
Inquire whether the remaining absolute difference of respectively organizing latitude and longitude coordinates of above-mentioned second reference coordinate and this point exceeds permissible error (step S210), if, then go to step S208, if not, then proceed to step S211.
Add with all latitude and longitude coordinates of each point of interest average again respectively the final mark latitude and longitude coordinates (step S211) of each point.
On this electronic chart, mark each point of interest and show (step S212) with above-mentioned final mark longitude and latitude.
Add the satellite information relevant and show that this satellite information links the final mark longitude and latitude coordinate of corresponding point of interest, and comprises the actual look (with the photo form) of corresponding point of interest at least and/or briefly introduce (step S213) with each point of interest.
Claims (10)
1. the method for an interest point annotation on global positioning system electronic map is applied to one and loads in the electronic installation of global positioning system signal receiving element, it is characterized in that: may further comprise the steps:
(1) global positioning system electronic map in the arbitrary zone of download;
(2) when receiving the control signal of on above-mentioned electronic chart, adding point of interest, between each point of interest that at least 5 times are gone the rounds in regular turn in this zone, and in each touring process, receive the latitude and longitude coordinates that stores each point of interest;
(3) add with all latitude and longitude coordinates of each point average the each point reference coordinate;
(4) absolute difference of respectively organizing latitude and longitude coordinates and this reference coordinate when each point exceeds permissible error, rejects this latitude and longitude coordinates;
(5) add with all latitude and longitude coordinates of each point of interest average again respectively the final mark latitude and longitude coordinates of each point;
(6) on this electronic chart, mark each point of interest and demonstration with above-mentioned final mark latitude and longitude coordinates.
2. as claimed in claim 1 on global positioning system electronic map the method for interest point annotation, it is characterized in that: the absolute difference of respectively organizing latitude and longitude coordinates and this reference coordinate when each point does not exceed permissible error, add with all latitude and longitude coordinates of each point average again respectively the final mark latitude and longitude coordinates of each point.
3. as claimed in claim 1 on global positioning system electronic map the method for interest point annotation, it is characterized in that: above-mentioned steps (4) also comprises the step that moves to the point of interest corresponding with this latitude and longitude coordinates again and again and measure the latitude and longitude coordinates of this point again.
4. as claimed in claim 3 on global positioning system electronic map the method for interest point annotation, it is characterized in that: further comprising the steps of after the step of the above-mentioned latitude and longitude coordinates of measuring the pairing point of interest of latitude and longitude coordinates that exceeds permissible error again:
The latitude and longitude coordinates that adds and newly add with reject some groups of remaining after the latitude and longitude coordinates exceed permissible error latitude and longitude coordinates average second reference coordinate;
Inquire that above-mentioned second reference coordinate and this point respectively organize the absolute difference of latitude and longitude coordinates and whether exceed permissible error.
5. as claimed in claim 4 on global positioning system electronic map the method for interest point annotation, it is characterized in that: this latitude and longitude coordinates that adds and newly add with reject some groups of remaining after the latitude and longitude coordinates that exceeds permissible error latitude and longitude coordinates and average to such an extent that the step of second reference coordinate comprises that also one rejects this and puts the maximum in all latitude and longitude coordinates, the step of minimum value.
6. as claimed in claim 4 on global positioning system electronic map the method for interest point annotation, it is characterized in that: the absolute difference of respectively organizing latitude and longitude coordinates when above-mentioned second reference coordinate and this point does not exceed permissible error, add with all latitude and longitude coordinates of each point of interest average again respectively the final mark latitude and longitude coordinates of each point.
7. as claimed in claim 3 on global positioning system electronic map the method for interest point annotation, it is characterized in that: the above-mentioned step that moves to the point of interest corresponding with this latitude and longitude coordinates again and measure the latitude and longitude coordinates of this point again comprises that also a system needs to measure according to the group number prompting of the latitude and longitude coordinates of rejecting again and the step of the number of times of the point of interest that these latitude and longitude coordinates are corresponding.
8. as claimed in claim 1 on global positioning system electronic map the method for interest point annotation, it is characterized in that: step (3) also comprises the maximum of rejecting all latitude and longitude coordinates of each point, the step of minimum value.
9. as claimed in claim 1 on global positioning system electronic map the method for interest point annotation, it is characterized in that: above-mentioned steps (2) is further comprising the steps of:
Move to a point of interest in this zone, and receive the latitude and longitude coordinates that stores this point;
Whether inquiry also locatees other point of interest.
10. as claimed in claim 1 on global positioning system electronic map the method for interest point annotation, it is characterized in that: step (6) comprises also that afterwards one adds the step of the satellite information relevant with each point of interest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100368117A CN101231175B (en) | 2007-01-25 | 2007-01-25 | Method for labeling interest points on global positioning system electronic map |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100368117A CN101231175B (en) | 2007-01-25 | 2007-01-25 | Method for labeling interest points on global positioning system electronic map |
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| CN101231175A true CN101231175A (en) | 2008-07-30 |
| CN101231175B CN101231175B (en) | 2011-04-20 |
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| CN101871784A (en) * | 2009-04-24 | 2010-10-27 | 环达电脑(上海)有限公司 | System for filtering POI (Point of Interest) and method thereof |
| CN101672910B (en) * | 2008-03-12 | 2012-08-15 | 凹凸电子（武汉）有限公司 | Interest point system, interest point information system and method for downloading a plurality of interest points |
| CN103453909A (en) * | 2012-06-04 | 2013-12-18 | 北京四维图新科技股份有限公司 | Displaying method and device of POI (point of interest) information |
| CN105468631A (en) * | 2014-09-04 | 2016-04-06 | 阿里巴巴集团控股有限公司 | Point-of-interest query method and apparatus |
| 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 |
| CN106844604A (en) * | 2017-01-17 | 2017-06-13 | 维沃移动通信有限公司 | The information providing method and mobile terminal of electronic map |
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| JP2005308543A (en) * | 2004-04-21 | 2005-11-04 | Denso Corp | Electronic equipment with map display function and program |
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2007
- 2007-01-25 CN CN2007100368117A patent/CN101231175B/en not_active Expired - Fee Related
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| CN101672910B (en) * | 2008-03-12 | 2012-08-15 | 凹凸电子（武汉）有限公司 | Interest point system, interest point information system and method for downloading a plurality of interest points |
| CN101871784A (en) * | 2009-04-24 | 2010-10-27 | 环达电脑(上海)有限公司 | System for filtering POI (Point of Interest) and method thereof |
| CN103453909A (en) * | 2012-06-04 | 2013-12-18 | 北京四维图新科技股份有限公司 | Displaying method and device of POI (point of interest) information |
| CN105468631A (en) * | 2014-09-04 | 2016-04-06 | 阿里巴巴集团控股有限公司 | Point-of-interest query method and apparatus |
| 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 |
| CN108241694A (en) * | 2016-12-26 | 2018-07-03 | 武汉四维图新科技有限公司 | A kind of electronic map annotation processing method and processing device |
| CN108241694B (en) * | 2016-12-26 | 2020-10-16 | 武汉四维图新科技有限公司 | Electronic map annotation processing method and device |
| CN106844604A (en) * | 2017-01-17 | 2017-06-13 | 维沃移动通信有限公司 | The information providing method and mobile terminal of electronic map |
| CN109168195A (en) * | 2018-10-25 | 2019-01-08 | 北京搜狐新媒体信息技术有限公司 | A kind of location information extracting method and service platform |
| CN109740070A (en) * | 2018-12-13 | 2019-05-10 | 平安科技（深圳）有限公司 | Rescue skills, device and storage medium based on intelligent wearable device |
| CN110399439A (en) * | 2019-06-28 | 2019-11-01 | 炬星科技（深圳）有限公司 | Point of interest labeling method, equipment and storage medium |
| CN114322985A (en) * | 2021-12-24 | 2022-04-12 | 深圳依时货拉拉科技有限公司 | Method, device and equipment for displaying recommended points of electronic map and storage medium |
| CN114322985B (en) * | 2021-12-24 | 2024-04-12 | 深圳依时货拉拉科技有限公司 | Electronic map recommendation point display method, device, equipment and storage medium |
| WO2023184777A1 (en) * | 2022-03-28 | 2023-10-05 | 北京百度网讯科技有限公司 | Method and apparatus for updating state of point of interest (poi), and device, medium and product |
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