CN103366634B - Picture embeds the method for electronic chart seamless link - Google Patents
Picture embeds the method for electronic chart seamless link Download PDFInfo
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- CN103366634B CN103366634B CN201210086049.4A CN201210086049A CN103366634B CN 103366634 B CN103366634 B CN 103366634B CN 201210086049 A CN201210086049 A CN 201210086049A CN 103366634 B CN103366634 B CN 103366634B
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Abstract
The present invention relates to electronic map field, particularly relate to the method that picture embeds electronic chart seamless link.The method comprises the following steps: 1) realize picture initialization data; 2) generate at least 3 calibration points, calibration point has 2 kinds of coordinates, and one is screen coordinate, and another one is electronic map coordinates, and calibration point requires accurately, and representative; 3) calculated the Aspect Ratio of picture by electronic chart and screen coordinate, calculate at least 4 coordinate positions of picture place electronic chart simultaneously, also the with good grounds current engineer's scale calculating picture place electronic chart, and preserve; 4) by the data after calibration, according to you current Pictures location, Aspect Ratio, electronic chart scaling when electronic chart starts, calculate matched position and start picture and electronic chart; Such picture and electronic chart realize seamless link.The method is innovated not affecting on electronic chart relative position basis, increases picture and embeds function, can play absolute fix.
Description
Technical field
The present invention relates to electronic map field, particularly relate to the method that picture embeds electronic chart seamless link.
Background technology
Application comparison proven technique is directly shown by electronic chart in the market, can probably know relative position and movement locus like this, but cannot judge whether in that absolute position.Use picture and electronic chart mode until now, can absolute position be inquired, easy to use.
Summary of the invention
In order to solve above-mentioned use electronic chart, the technological deficiency of its absolute position cannot be viewed, the object of this invention is to provide a kind of method that picture embeds electronic chart seamless link, the method is innovated not affecting on electronic chart relative position basis, increase picture and embed function, can absolute fix be played.
In order to realize above-mentioned object, present invention employs following technical scheme:
Picture embeds the method for electronic chart seamless link, and the method comprises the following steps:
1) picture initialization data is realized;
2) generate at least 3 calibration points, calibration point has 2 kinds of coordinates, and one is screen coordinate, and another one is electronic map coordinates, and calibration point requires accurately, and representative;
3) calculated the Aspect Ratio of picture by electronic chart and screen coordinate, calculate at least 4 coordinate positions of picture place electronic chart according to this simultaneously, also with good grounds this calculates the current engineer's scale of picture place electronic chart, and preserves;
4) by the data after calibration, according to you current Pictures location, Aspect Ratio, electronic chart scaling when electronic chart starts, calculate matched position and start picture and electronic chart; Such picture and electronic chart realize seamless link.
As further improvement, after realizing seamless link, picture, according to electronic chart scaling information, realizes the convergent-divergent of picture; Scaling is consistent, and convergent-divergent starting point is consistent, realizes convergent-divergent seamless link.
As preferably, above-mentioned picture uses Bmp or JPEG, picture will have specific position, for the calibration of electronic chart; Electronic chart is map vector.
As preferably, above-mentioned electronic chart is longitude and latitude data map.
As preferably, above-mentioned picture is regional planning figure or GoogleEarth plane sectional drawing, above will have 3 clear and definite positions.
The present invention is owing to have employed above-mentioned technical scheme, there is provided a kind of picture to embed the method for electronic chart seamless link, the method is innovated not affecting on electronic chart relative position basis, is bundled in by picture in electronic chart, realize seamless link, can absolute fix be played; In addition, keep original map zoom function constant, the support of background data can be saved.While invention increases additional functionality, extend the high request of use field to product, be mainly used on regional map, such as security personnel, An Guan etc. are interior supervision among a small circle.
Accompanying drawing explanation
Fig. 1 is opposing electronic map interface.
Fig. 2 is certain regional planning figure.
Fig. 3 is that insert pictures carries out calibration chart.
Fig. 4 is the electronic chart after picture embeds electronic chart seamless link.
Embodiment
Picture embeds the method for electronic chart seamless link, and the method comprises the following steps:
1) realize picture initialization data, picture is regional planning figure or GoogleEarth plane sectional drawing, above will have 3 clear and definite positions.Picture format uses Bmp or JPEG;
2) generate 3 calibration points, calibration point has 2 kinds of coordinates, and one is screen coordinate, and another one is electronic map coordinates, and calibration point requires accurately, and representative;
3) calculated the Aspect Ratio of picture by electronic chart and screen coordinate, electronic chart is longitude and latitude data map; Calculate 4 coordinate positions of picture place electronic chart according to this, also with good grounds this calculates the current engineer's scale of picture place electronic chart, and preserves simultaneously;
4) by the data after calibration, according to you current Pictures location, Aspect Ratio, electronic chart scaling when electronic chart starts, calculate matched position and start picture and electronic chart; Such picture and electronic chart realize seamless link;
5) after realizing seamless link, picture, according to electronic chart scaling information, realizes the convergent-divergent of picture; Scaling is consistent, and convergent-divergent starting point is consistent, and realize convergent-divergent seamless link, convergent-divergent process medium scale, can be self-defined.
Be below the effect (cruise instrument is example) that we test, the patent of invention (application number is 2012100776738) that cruise instrument can adopt applicant 2012-3-23 to apply for, patent name is: a kind of cruise instrument of GPS location supervision.
Fig. 1 is opposing electronic map interface.
Fig. 2 is certain regional planning figure (south of the River mole, Jiaxing).
Fig. 3 is that insert pictures carries out calibration chart.Patrol a little 001, to patrol a little 005, patrol 006 be some calibration point, and the sequence number of patrolling on original map mates realization mutually.
Fig. 4 is the electronic chart after picture embeds electronic chart seamless link, realizes the operation such as picture and electronic chart display, convergent-divergent, movement after calibration.
Claims (5)
1. picture embeds the method for electronic chart seamless link, it is characterized in that the method comprises the following steps:
1) figure initialization data is realized;
2) generate at least 3 calibration points, calibration point has 2 kinds of coordinates, and one is screen coordinate, and another one is electronic map coordinates, and calibration point requires accurately, and representative;
3) Aspect Ratio of picture is calculated by electronic chart and screen coordinate, calculate at least 4 coordinate positions of picture place electronic chart according to electronic chart and screen coordinate simultaneously, also with good grounds electronic chart and screen coordinate calculate the current engineer's scale of picture place electronic chart, and preserve;
4) by the data after calibration, according to photo current position, Aspect Ratio, electronic chart scaling when electronic chart starts, calculate matched position and start picture and electronic chart; Such picture and electronic chart realize seamless link.
2. picture according to claim 1 embeds the method for electronic chart seamless link, and it is characterized in that: after realizing seamless link, picture, according to electronic chart scaling information, realizes the convergent-divergent of picture; Scaling is consistent, and convergent-divergent starting point is consistent, realizes convergent-divergent seamless link.
3. picture according to claim 1 and 2 embeds the method for electronic chart seamless link, it is characterized in that: picture uses Bmp or JPEG, picture will have specific position, for the calibration of electronic chart; Electronic chart is map vector.
4. picture according to claim 3 embeds the method for electronic chart seamless link, it is characterized in that: electronic chart is longitude and latitude data map.
5. picture according to claim 3 embeds the method for electronic chart seamless link, it is characterized in that: picture is regional planning figure or GoogleEarth plane sectional drawing, picture will have 3 clear and definite positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086049.4A CN103366634B (en) | 2012-03-28 | 2012-03-28 | Picture embeds the method for electronic chart seamless link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086049.4A CN103366634B (en) | 2012-03-28 | 2012-03-28 | Picture embeds the method for electronic chart seamless link |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103366634A CN103366634A (en) | 2013-10-23 |
| CN103366634B true CN103366634B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210086049.4A Expired - Fee Related CN103366634B (en) | 2012-03-28 | 2012-03-28 | Picture embeds the method for electronic chart seamless link |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997056A (en) * | 2017-05-15 | 2017-08-01 | 马上游科技股份有限公司 | A kind of scenic spot intelligent guidance system based on hand-drawing map |
| CN107368378A (en) * | 2017-07-07 | 2017-11-21 | 天脉聚源（北京）科技有限公司 | A kind of maps processing method and device |
| CN110168524A (en) * | 2017-11-21 | 2019-08-23 | 深圳市大疆创新科技有限公司 | Map is superimposed methods of exhibiting, device and unmanned flight's system |
| CN110390570A (en) * | 2018-04-17 | 2019-10-29 | 北京京东尚科信息技术有限公司 | Picture display method and device, electronic equipment, storage medium |
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| CN102005130A (en) * | 2009-09-03 | 2011-04-06 | 上海宝信软件股份有限公司 | WebGIS (Web Geographic Information System)-based system for displaying real-time state of intelligent transportation equipment |
| JP4708203B2 (en) * | 2006-02-08 | 2011-06-22 | パイオニア株式会社 | Geographic information display device and geographic information display program |
| CN102340536A (en) * | 2011-07-13 | 2012-02-01 | 北京世纪高通科技有限公司 | Method and device for searching points of interest |
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| JP2007241085A (en) * | 2006-03-10 | 2007-09-20 | Mitsubishi Electric Corp | Photographed image processing system and photographed image processing device, and photographed image display method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4708203B2 (en) * | 2006-02-08 | 2011-06-22 | パイオニア株式会社 | Geographic information display device and geographic information display program |
| CN102005130A (en) * | 2009-09-03 | 2011-04-06 | 上海宝信软件股份有限公司 | WebGIS (Web Geographic Information System)-based system for displaying real-time state of intelligent transportation equipment |
| CN102340536A (en) * | 2011-07-13 | 2012-02-01 | 北京世纪高通科技有限公司 | Method and device for searching points of interest |
Non-Patent Citations (2)
| Title |
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| 电子海图/导航雷达信息叠加技术研究;李刚;《中国优秀博硕士学位论文全文数据库·信息科技辑》;20061215;第57、63页 * |
| 电子海图与雷达图像叠加显示的实现;刘毅;《中国优秀硕士学位论文全文数据库·信息科技辑》;20080615;第49、57页 * |
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| CN103366634A (en) | 2013-10-23 |
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| CB02 | Change of applicant information |
Address after: 314003 Jiaxing City, Zhejiang Province Economic Development Zone Yong Wui street is the original Road No. 66 Applicant after: JIAXING GLEAD ELECTRONICS Co.,Ltd. Address before: 314003 Jiaxing Economic Development Zone, Tong Tong Street is the original road, No. 66, No. Applicant before: JIAXING GLEAD ELECTRONICS Co.,Ltd. |
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Granted publication date: 20160420 |