CN102800048B - A kind of display packing of electronic chart convergent-divergent - Google Patents
A kind of display packing of electronic chart convergent-divergent Download PDFInfo
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- CN102800048B CN102800048B CN201210231506.4A CN201210231506A CN102800048B CN 102800048 B CN102800048 B CN 102800048B CN 201210231506 A CN201210231506 A CN 201210231506A CN 102800048 B CN102800048 B CN 102800048B
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Abstract
The invention discloses a kind of display packing of electronic chart convergent-divergent, the step of the method comprises, first the map picture of the scaling of multiple grade is set, and the map picture of the scaling of multiple grade is divided into the bitmap of multiple corresponding scaling, and adoption rate variable record and then identify the bitmap of each different zoom ratio, then obtaining information, last according to information and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously.The present invention can be undistorted, smoothly and more carry out to hommization the Zoom display of map picture, and then eliminate the stiff sense of conventional zoom method, and greatly improve visual effect and the experience sense of user.The present invention is widely used in the field of monitoring in real time as a kind of display packing of electronic chart convergent-divergent.
Description
Technical field
The present invention relates to electronic chart treatment technology, particularly relate to a kind of display packing of electronic chart convergent-divergent.
Background technology
Electronic chart, i.e. numerical map, it utilizes computer technology, the map storing in a digital manner and consult, and it can carry out amplifying, reduce or rotating and then show.And traditional electronic chart Zoom method is comparatively stiff, the process of its convergent-divergent is often that simple map picture directly switches instantaneously, namely directly replaces the map picture of current display with the map picture of target scale grade, and then causes the experience sense of user low.And after convergent-divergent is carried out to electronic chart, setting mark for identifying display customer location may exceed the map interface of current display, therefore people then need by pulling electronic chart, and setting mark so just can be made to be presented at current map denotation interface.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide and a kind ofly be easy to realize and the display packing of the level and smooth electronic chart convergent-divergent of convergent-divergent.
The technical solution adopted in the present invention is: a kind of display packing of electronic chart convergent-divergent, and the step of the method comprises:
The map picture of the scaling of multiple grade is set, and the map picture of the scaling of multiple grade is divided into the bitmap of multiple corresponding scaling, and adoption rate variable record and then identify the bitmap of each different zoom ratio;
Obtain the zoom operations information of input, the centre coordinate information of convergent-divergent and the specification information at map denotation interface;
According to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously.
Further, described step, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously, be specially
According to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, calculate the file sequence of the bitmap of required scaling, and then the bitmap of scaling needed for loading according to the file sequence search that calculates carries out combination and pieces together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously.
Further, in described step, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, be also provided with this step of layer of one-level outside prestrain map denotation interface before showing the map picture of complete scaling step by step with being fade-in fade-out simultaneously.
Further, in described step, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, also be provided with step after showing the map picture of complete scaling step by step with being fade-in fade-out simultaneously
Upgrade locating information, according to the specification information at locating information and map denotation interface, and then judge whether setting mark exceeds current map display interface, if exceed, then automatically adjust the map picture of scaling and then setting mark is shown on map denotation interface; Otherwise, then any operation is not done.
Further, the zoom operations information of described input is by keyboard, mouse or software push buttons and then realization input.
The invention has the beneficial effects as follows: piece together process because the present invention adopts the bitmap of the scaling needed for loading to carry out combination, show these means of map picture of complete scaling step by step with being fade-in fade-out simultaneously, therefore the present invention can be undistorted, smoothly and more carry out to hommization the Zoom display of map picture, and then eliminate the stiff sense of conventional zoom method, and greatly improve visual effect and the experience sense of user, in addition because the present invention only need store the bitmap of multiple low capacity, the object of saving resource therefore can also be reached.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the flow chart of steps that display packing one specific embodiment of a kind of electronic chart convergent-divergent of the present invention provides;
Fig. 2 is the flow chart of steps that another specific embodiment of display packing of a kind of electronic chart convergent-divergent of the present invention provides.
Embodiment
As shown in Figure 1, a kind of display packing of electronic chart convergent-divergent, the step of the method comprises:
The map picture of the scaling of multiple grade is set, and the map picture of the scaling of multiple grade is divided into the bitmap of multiple corresponding scaling, and adoption rate variable record and then identify the bitmap of each different zoom ratio;
Obtain the zoom operations information of input, the centre coordinate information of convergent-divergent and the specification information at map denotation interface;
According to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously.
As shown in Figure 2, a kind of display packing of electronic chart convergent-divergent, the method step comprises:
Step one, arranges the map picture of the scaling of multiple grade, and the map picture of the scaling of multiple grade is divided into the bitmap of multiple corresponding scaling, and adoption rate variable record and then identify the bitmap of each different zoom ratio;
Step 2, the layer of one-level outside prestrain map denotation interface;
Step 3, obtains the zoom operations information of input, the centre coordinate information of convergent-divergent and the specification information at map denotation interface;
Step 4, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously;
Step 5, upgrade locating information, according to the specification information at locating information and map denotation interface, and then judge whether setting mark exceeds current map display interface, if exceed, then automatically adjust the map picture of scaling and then setting mark is shown on map denotation interface; Otherwise, then any operation is not done.
Above-mentioned steps two, the layer of one-level outside prestrain map denotation interface, it glimmers and the appearance of white space mainly for preventing, as long as and this step realized before above-mentioned steps three just can, namely also can realize before above-mentioned steps one.
Above-mentioned steps four, as further preferred implementation, it is specially, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, calculate the file sequence of the bitmap of required scaling, and then the bitmap of scaling needed for loading according to the file sequence search that calculates carries out combination and pieces together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously.
Wherein, described is fade-in fade-out, be the map picture transparency be replaced to reduce, the handoff procedure that the map picture transparency of replacing strengthens, therefore it needs to carry out strict control to this parameter of transparency, so just can reach lively visual effect, and the parameter of the setting of this parameter of transparency and convergent-divergent time also has and contacts closely.Further, described is fade-in fade-out step by step, it is meant to first map picture to be zoomed in or out 1 grade and also adopts the mode of being fade-in fade-out to show, and then map picture is zoomed in or out 1 grade also adopt the mode of being fade-in fade-out to show, so analogize, till map picture has zoomed in or out required rank.Significantly, compared to conventional zoom technology, the map picture zooming in or out required rank is directly switched the map picture of current display by it, the present invention can reach by as far as display effect closely or from the near to the remote, undistorted, smoothly and more carry out to hommization the Zoom display of map picture, and then eliminate the stiff sense of conventional zoom method, greatly improve visual effect and the experience sense of user.In addition, the map picture due to each grade scaling is all merged to gather by several corresponding bitmap groups and forms, and these bitmap capacity are little, therefore can reach the object of saving resource.
Above-mentioned steps five, its be in order to strengthen Consumer's Experience further and improve user use convenience.
Be further used as preferred embodiment, the zoom operations information of described input is by keyboard, mouse or software push buttons and then realize input.
In addition, the present invention is in the process of carrying out map picture convergent-divergent, rigid bindings is not done to relevant geographic information data yet, and then can real-time update geographic information data, and adopt the picture searching algorithm completed flexibly, the present invention can be searched within the extremely short time be loaded into relevant bitmap to carry out combination to piece together, and then greatly improve the convergent-divergent efficiency of map picture.From the above, the present invention can be widely used in the field of monitoring in real time.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (3)
1. a display packing for electronic chart convergent-divergent, is characterized in that: the step of the method comprises:
The map picture of the scaling of multiple grade is set, and the map picture of the scaling of multiple grade is divided into the bitmap of multiple corresponding scaling, and adoption rate variable record and then identify the bitmap of each different zoom ratio;
Obtain the zoom operations information of input, the centre coordinate information of convergent-divergent and the specification information at map denotation interface;
According to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously;
In described step, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, be also provided with this step of layer of one-level outside prestrain map denotation interface before showing the map picture of complete scaling step by step with being fade-in fade-out simultaneously;
In described step, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, also be provided with step after showing the map picture of complete scaling step by step with being fade-in fade-out simultaneously
Upgrade locating information, according to the specification information at locating information and map denotation interface, and then judge whether setting mark exceeds current map display interface, if exceed, then automatically adjust the map picture of scaling and then setting mark is shown on map denotation interface; Otherwise, then any operation is not done.
2. the display packing of a kind of electronic chart convergent-divergent according to claim 1, it is characterized in that: described step, according to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, and then search load needed for the bitmap of scaling carry out combination and piece together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously, be specially
According to the zoom operations information inputted, the centre coordinate information of convergent-divergent, the specification information at map denotation interface and rate variable record, calculate the file sequence of the bitmap of required scaling, and then the bitmap of scaling needed for loading according to the file sequence search that calculates carries out combination and pieces together process, show the map picture of complete scaling step by step with being fade-in fade-out simultaneously.
3. the display packing of a kind of electronic chart convergent-divergent according to claim 1, is characterized in that: the zoom operations information of described input is by keyboard, mouse or software push buttons and then realize input.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210231506.4A CN102800048B (en) | 2012-07-06 | 2012-07-06 | A kind of display packing of electronic chart convergent-divergent |
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| CN201210231506.4A CN102800048B (en) | 2012-07-06 | 2012-07-06 | A kind of display packing of electronic chart convergent-divergent |
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| CN102800048A CN102800048A (en) | 2012-11-28 |
| CN102800048B true CN102800048B (en) | 2015-11-25 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102938827B (en) * | 2012-11-29 | 2016-05-11 | 深圳英飞拓科技股份有限公司 | A kind of layering monitoring and commanding system and across the virtual tracking of camera |
| CN103020250B (en) * | 2012-12-18 | 2016-08-03 | 广东威创视讯科技股份有限公司 | The map-indication method of a kind of Distribution GIS and device |
| CN103605533B (en) * | 2013-10-30 | 2017-02-08 | 四川长虹电器股份有限公司 | Method for rapidly loading map data |
| CN103699670B (en) * | 2013-12-30 | 2016-09-28 | 北京奇虎科技有限公司 | A kind of electronic chart tile request queue processing means and processing method |
| CN103700126B (en) * | 2013-12-30 | 2016-08-17 | 北京奇虎科技有限公司 | A kind of device controlling electronic chart scaling and corresponding method |
| WO2016061774A1 (en) | 2014-10-22 | 2016-04-28 | 深圳市大疆创新科技有限公司 | Flight path setting method and apparatus |
| CN104613967B (en) * | 2015-01-23 | 2017-03-29 | 中国民航大学 | The chart management method of portable airborne navigation system |
| CN106485660B (en) * | 2016-09-28 | 2020-01-10 | 北京小米移动软件有限公司 | Electronic map zooming method and device |
| CN107274344B (en) * | 2017-06-05 | 2020-10-23 | 上海蔚来汽车有限公司 | Map zooming method and system based on resource distribution, memory and control equipment |
| CN110580397A (en) * | 2019-09-23 | 2019-12-17 | 重庆渝高科技产业(集团)股份有限公司 | display system for engineering project centralized display platform |
| CN113012555B (en) * | 2019-12-20 | 2022-06-24 | 百度在线网络技术（北京）有限公司 | Map display method, map display device, electronic equipment and storage medium |
| CN111240563B (en) * | 2019-12-25 | 2022-02-18 | 腾讯科技（深圳）有限公司 | Information display method, device, equipment and storage medium |
| CN113298823B (en) * | 2021-05-20 | 2024-03-15 | 西安锐思数智科技股份有限公司 | Image fusion method and device |
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| US20090013273A1 (en) * | 2002-06-27 | 2009-01-08 | Tele Atlas North America, Inc. | System and method for using layers and grids to access, view, edit and store digital map data |
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| CN101162152A (en) * | 2006-12-06 | 2008-04-16 | 厦门雅迅网络股份有限公司 | Processing method for realizing map displaying in networking vehicle mounted guidance terminal |
| CN102054388A (en) * | 2009-11-03 | 2011-05-11 | 厦门雅迅网络股份有限公司 | Method for receiving and displaying map |
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Address after: 511450 Guangzhou, Panyu District, Guangdong, Dalong street, Qinghe East Road, Panyu road bus terminal Nine West Patentee after: GUANGZHOU YICHENG TRAFFIC INFORMATION GROUP Co.,Ltd. Address before: 510600 floor 15, block A, Baoli Feng Xing Plaza, 67 Tianhe East Road, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGZHOU ETRANS TRAFFIC INFORMATION Co.,Ltd. |
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Granted publication date: 20151125 |