CN102800048A - Electronic map scaling display method - Google Patents
Electronic map scaling display method Download PDFInfo
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- CN102800048A CN102800048A CN2012102315064A CN201210231506A CN102800048A CN 102800048 A CN102800048 A CN 102800048A CN 2012102315064 A CN2012102315064 A CN 2012102315064A CN 201210231506 A CN201210231506 A CN 201210231506A CN 102800048 A CN102800048 A CN 102800048A
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Abstract
The invention discloses an electronic map scaling display method. The method comprises the following steps of: setting a map picture with multiple levels of scaling ratios; dividing the map picture with multiple levels of scaling ratios into multiple bitmaps with corresponding scaling ratios; identifying the bitmaps with different scaling ratios by use of the ratio variable record; obtaining the information; searching for and loading the bitmap with the required scaling ratio according to the information and the ratio variable record to perform combination and piecing together; and displaying a complete map picture with the scaling ratio level by level in a fade-in fade-out manner. The method disclosed by the invention can perform scaling display of the map picture in an undistorted, smooth and more humanized manner so as to eliminate the rigid feeling of the traditional scaling method, and also can greatly improve the visual effect and experience of the user. The electronic map scaling display method disclosed by the invention is widely applied to the field of real-time monitoring.
Description
Technical field
The present invention relates to the electronic chart treatment technology, relate in particular to a kind of display packing of electronic chart convergent-divergent.
Background technology
Electronic chart, i.e. numerical map, it is to utilize computer technology, with digital form storage and the map consulted, and it can amplify, dwindles or rotate and then show.And traditional electronic chart Zoom method is comparatively stiff, and the process of its convergent-divergent often is the simple direct moment switching of map picture, promptly directly replaces the map picture of current demonstration with the map picture of target zoom level, and then causes sense of experience of users low.And after electronic chart carried out convergent-divergent; The setting mark that is used to identify the explicit user position may exceed the map interface of current demonstration; Therefore people then need so just can make setting mark be presented at current map display interface through electronic chart is pulled.
Summary of the invention
In order to solve the problems of the technologies described above, to the purpose of this invention is to provide and a kind ofly be easy to realize and the display packing of the electronic chart convergent-divergent that convergent-divergent is level and smooth.
The technical scheme that the present invention adopted is: a kind of display packing of electronic chart convergent-divergent, and the step of this method comprises:
The map picture of the scaling of a plurality of grades is set, and the map picture of the scaling of a plurality of grades is divided into the bitmap of a plurality of corresponding scalings, and adopt the 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 of map display interface;
According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, simultaneously the map picture of the complete scaling of demonstration step by step with being fade-in fade-out.
Further; Said step; According to the zoom operations information, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface of input, and then the search bitmap that loads required scaling makes up and pieces together processing, simultaneously the map picture of the complete scaling of demonstration step by step with being fade-in fade-out; Be specially
According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; Calculate the file sequence of the bitmap of required scaling; And then make up according to the bitmap that the file sequence search that calculates loads required scaling and to piece together processing, the map picture of the complete scaling of demonstration step by step simultaneously with being fade-in fade-out.
Further; In said step; According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, shows this step of figure layer that also is provided with one-level outside the prestrain map display interface before the map picture of complete scaling simultaneously step by step with being fade-in fade-out.
Further; In said step; According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, shows step by step that simultaneously the map picture of complete scaling also is provided with step afterwards with being fade-in fade-out
Upgrade locating information; Specification information according to locating information and map display interface; And then judge whether setting mark exceeds current map display interface, if exceed, then adjust the map picture of scaling automatically and then setting mark is shown on the map display interface; Otherwise, then do not do any operation.
Further, the zoom operations information of said input is by keyboard, mouse or software push buttons and then realization input.
The invention has the beneficial effects as follows: piece together processing because the present invention adopts the bitmap that loads required scaling to make up; These means of map picture that show complete scaling simultaneously step by step with being fade-in fade-out; Therefore the present invention can undistorted, smoothly and more hommization carry out the convergent-divergent demonstration of map picture; And then eliminate the stiff sense of traditional Zoom method; And improve user's visual effect and experience sense greatly, because the present invention only need store the bitmap of a plurality of low capacities, therefore can also reach the purpose of saving resource in addition.
Description of drawings
Be described further below in conjunction with the accompanying drawing specific embodiments of the invention:
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
By shown in Figure 1, a kind of display packing of electronic chart convergent-divergent, the step of this method comprises:
The map picture of the scaling of a plurality of grades is set, and the map picture of the scaling of a plurality of grades is divided into the bitmap of a plurality of corresponding scalings, and adopt the 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 of map display interface;
According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, simultaneously the map picture of the complete scaling of demonstration step by step with being fade-in fade-out.
By shown in Figure 2, a kind of display packing of electronic chart convergent-divergent, this method step comprises:
Step 1 is provided with the map picture of the scaling of a plurality of grades, and the map picture of the scaling of a plurality of grades is divided into the bitmap of a plurality of corresponding scalings, and adopts the rate variable record and then identify the bitmap of each different zoom ratio;
Step 2, the figure layer of the outer one-level of prestrain map display interface;
Step 3 is obtained the zoom operations information of input, the centre coordinate information of convergent-divergent and the specification information of map display interface;
Step 4; According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, simultaneously the map picture of the complete scaling of demonstration step by step with being fade-in fade-out;
Step 5; Upgrade locating information,, and then judge whether setting mark exceeds current map display interface according to the specification information of locating information and map display interface; If exceed, then adjust the map picture of scaling automatically and then setting mark is shown on the map display interface; Otherwise, then do not do any operation.
Above-mentioned steps two, the figure layer of the outer one-level of prestrain map display interface, it is the appearance in order to prevent to glimmer with white space mainly, and this step as long as before above-mentioned steps three, realize just can, promptly also can before above-mentioned steps one, realize.
Above-mentioned steps four; As further preferred implementation; It is specially, and according to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface, calculates the file sequence of the bitmap of required scaling; And then make up according to the bitmap that the file sequence search that calculates loads required scaling and to piece together processing, the map picture of the complete scaling of demonstration step by step simultaneously with being fade-in fade-out.
Wherein, Described being fade-in fade-out; Be the map picture transparency that is replaced and reduce, the handoff procedure that the map picture transparency of replacement strengthens, so it need carry out strict control to this parameter of transparency; So just can reach lively visual effect, and the setting of this parameter of transparency and the parameter of convergent-divergent time have closely also and get in touch.Further; Describedly be fade-in fade-out step by step; Its meaning is earlier map picture to be amplified or dwindle 1 grade and adopt the mode of being fade-in fade-out to show; And then map picture amplified or dwindle 1 grade and adopt the mode of being fade-in fade-out to show, so analogize, till map picture has amplified or narrowed down to required rank.Significantly; Compared to traditional zoom technology; It will amplify or dwindle the map picture that other map picture of required level directly switches current demonstration, and the present invention can reach by as far as closely or display effect from the near to the remote, and will be undistorted, smoothly and more hommization carry out the convergent-divergent demonstration of map picture; And then eliminate the stiff sense of traditional Zoom method, improve user's visual effect and experience sense greatly.In addition, form because the map picture of each grade scaling is all pieced together by several corresponding bitmap combinations, and these bitmap capacity are little, therefore can reach the purpose of saving resource.
Above-mentioned steps five, it is in order further to strengthen user experience and to improve the convenience that the user uses.
Further as preferred embodiment, the zoom operations information of said 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 the map picture convergent-divergent; Geographic information data to relevant is not made rigid bindings yet, and then can the real-time update geographic information data, and adopts the picture searching algorithm of accomplishing flexibly; Make the present invention can be in the extremely short time search be loaded into relevant bitmap and make up and piece together, and then improve the convergent-divergent efficient of map picture greatly.From the above, the present invention can be widely used in the field of real-time monitoring.
More than be that preferable enforcement of the present invention is specified; But the invention is not limited to said embodiment; Those of ordinary skill in the art make all equivalent variations or replacement under the prerequisite of spirit of the present invention, also can doing, and distortion that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (5)
1. the display packing of an electronic chart convergent-divergent, it is characterized in that: the step of this method comprises:
The map picture of the scaling of a plurality of grades is set, and the map picture of the scaling of a plurality of grades is divided into the bitmap of a plurality of corresponding scalings, and adopt the 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 of map display interface;
According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, simultaneously the map picture of the complete scaling of demonstration step by step with being fade-in fade-out.
2. according to the display packing of the said a kind of electronic chart convergent-divergent of claim 1; It is characterized in that: said step; According to the zoom operations information, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface of input, and then the search bitmap that loads required scaling makes up and pieces together processing, simultaneously the map picture of the complete scaling of demonstration step by step with being fade-in fade-out; Be specially
According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; Calculate the file sequence of the bitmap of required scaling; And then make up according to the bitmap that the file sequence search that calculates loads required scaling and to piece together processing, the map picture of the complete scaling of demonstration step by step simultaneously with being fade-in fade-out.
3. according to the display packing of claim 1 or 2 said a kind of electronic chart convergent-divergents; It is characterized in that: in said step; According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, shows this step of figure layer that also is provided with one-level outside the prestrain map display interface before the map picture of complete scaling simultaneously step by step with being fade-in fade-out.
4. according to the display packing of claim 1 or 2 said a kind of electronic chart convergent-divergents; It is characterized in that: in said step; According to the zoom operations information of input, the centre coordinate information of convergent-divergent, the specification information and the rate variable record of map display interface; And then the search bitmap that loads required scaling makes up and pieces together processing, shows step by step that simultaneously the map picture of complete scaling also is provided with step afterwards with being fade-in fade-out
Upgrade locating information; Specification information according to locating information and map display interface; And then judge whether setting mark exceeds current map display interface, if exceed, then adjust the map picture of scaling automatically and then setting mark is shown on the map display interface; Otherwise, then do not do any operation.
5. according to the display packing of the said a kind of electronic chart convergent-divergent of claim 1, it is characterized in that: the zoom operations information of said input is by keyboard, mouse or software push buttons and then realize input.
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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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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938827A (en) * | 2012-11-29 | 2013-02-20 | 深圳英飞拓科技股份有限公司 | Stratified monitoring command system and cross-camera virtual tracking method |
| CN103020250A (en) * | 2012-12-18 | 2013-04-03 | 广东威创视讯科技股份有限公司 | Map display method and device of geographic information system (GIS) |
| CN103605533A (en) * | 2013-10-30 | 2014-02-26 | 四川长虹电器股份有限公司 | Method for rapidly loading map data |
| CN103700126A (en) * | 2013-12-30 | 2014-04-02 | 北京奇虎科技有限公司 | Device and corresponding method for controlling electronic map zooming |
| CN103699670A (en) * | 2013-12-30 | 2014-04-02 | 北京奇虎科技有限公司 | Processing device and method for E-map tile request queues |
| CN104613967A (en) * | 2015-01-23 | 2015-05-13 | 中国民航大学 | Chart management method for portable airborne navigation system |
| CN106485660A (en) * | 2016-09-28 | 2017-03-08 | 北京小米移动软件有限公司 | The Zoom method of electronic chart and device |
| CN107274344A (en) * | 2017-06-05 | 2017-10-20 | 上海蔚来汽车有限公司 | Map scaling methods and system, memory and control device based on resource distribution |
| 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 |
| CN111240563A (en) * | 2019-12-25 | 2020-06-05 | 腾讯科技（深圳）有限公司 | Information display method, device, equipment and storage medium |
| US10692387B2 (en) | 2014-10-22 | 2020-06-23 | SZ DJI Technology Co., Ltd. | Method and device for setting a flight route |
| CN113012555A (en) * | 2019-12-20 | 2021-06-22 | 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 |
| CN113298823A (en) * | 2021-05-20 | 2021-08-24 | 西安泽塔云科技股份有限公司 | Image fusion method and device |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938827A (en) * | 2012-11-29 | 2013-02-20 | 深圳英飞拓科技股份有限公司 | Stratified monitoring command system and cross-camera virtual tracking method |
| 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 |
| CN103020250A (en) * | 2012-12-18 | 2013-04-03 | 广东威创视讯科技股份有限公司 | Map display method and device of geographic information system (GIS) |
| 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 |
| CN103605533A (en) * | 2013-10-30 | 2014-02-26 | 四川长虹电器股份有限公司 | Method for rapidly loading map data |
| 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 |
| CN103700126A (en) * | 2013-12-30 | 2014-04-02 | 北京奇虎科技有限公司 | Device and corresponding method for controlling electronic map zooming |
| CN103699670A (en) * | 2013-12-30 | 2014-04-02 | 北京奇虎科技有限公司 | Processing device and method for E-map tile request queues |
| 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 |
| CN106126527A (en) * | 2013-12-30 | 2016-11-16 | 北京奇虎科技有限公司 | A kind of device controlling electronic chart scaling and corresponding method |
| US10692387B2 (en) | 2014-10-22 | 2020-06-23 | SZ DJI Technology Co., Ltd. | Method and device for setting a flight route |
| CN104613967A (en) * | 2015-01-23 | 2015-05-13 | 中国民航大学 | Chart management method for portable airborne navigation system |
| CN104613967B (en) * | 2015-01-23 | 2017-03-29 | 中国民航大学 | The chart management method of portable airborne navigation system |
| CN106485660A (en) * | 2016-09-28 | 2017-03-08 | 北京小米移动软件有限公司 | The Zoom method of electronic chart and device |
| CN107274344A (en) * | 2017-06-05 | 2017-10-20 | 上海蔚来汽车有限公司 | Map scaling methods and system, memory and control device based on resource distribution |
| 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 |
| CN113012555A (en) * | 2019-12-20 | 2021-06-22 | 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 |
| 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 |
| CN111240563A (en) * | 2019-12-25 | 2020-06-05 | 腾讯科技（深圳）有限公司 | Information display method, device, 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 |
| CN113298823A (en) * | 2021-05-20 | 2021-08-24 | 西安泽塔云科技股份有限公司 | Image fusion method and device |
| 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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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 |