CN103955955A - Electronic map information processing method and device - Google Patents
Electronic map information processing method and device Download PDFInfo
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- CN103955955A CN103955955A CN201410182626.9A CN201410182626A CN103955955A CN 103955955 A CN103955955 A CN 103955955A CN 201410182626 A CN201410182626 A CN 201410182626A CN 103955955 A CN103955955 A CN 103955955A
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Abstract
The invention discloses an electronic map information processing method and device. The method includes the following steps that a client side sends the current zoom level where a current electronic map is located to a server, wherein tile serial numbers to which labeling information labeled by users on the electronic map in each zoom level belong are stored in the server; the client side receives the tile serial numbers, sent by the server, of labeling information in the current zoom level of the electronic map; after the client side calculates map tile coordinates of the labeling information on tiles, a transparent map layer covers the electronic map, wherein the labeling information is drawn at the positions, corresponding to the map tile coordinates, of the transparent map layer. By the adoption of the method and device, the browsing speed of the electronic map can be increased, and efficiency for loading the transparent map layer can be improved.
Description
[technical field]
The present invention relates to electronic chart field, be specifically related to a kind of electronic map information disposal route and device.
[background technology]
User utilizes in the process of client online browse electronic chart, and client often can not show electronic chart in time, because map datum amount is larger; And be positioned at comparatively remote region, the information of electronic chart is less, can not accurately reflect concrete place name or other information of this area.
[summary of the invention]
In order to make up the deficiencies in the prior art, the invention provides a kind of electronic map information disposal route and device, to reduce the computational burden of client when browsing electronic chart, improve the speed that cartographic information shows.
An electronic map information disposal route, comprises the steps:
User end to server sends the residing current level of zoom of current electronic map; Wherein, described server stores has user to number at markup information affiliated tile in each level of zoom of described electronic chart mark;
The described markup information that client sends from described server is in the tile numbering of the current level of zoom of described electronic chart;
Described client is calculated after the map tile coordinate of described markup information on tile, covers transparent print layer on described electronic chart, wherein, in described transparent print layer, on the position of corresponding described map tile coordinate, draws described markup information.
In one embodiment,
Also comprise the steps:
Tile number corresponding to level of zoom number, map tile center and each level of zoom that described client sends the geographic coordinate of described markup information, described electronic chart to described server sends to server;
Described server, for the tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
In one embodiment,
Also comprise the steps:
If described client is browsed the second electronic chart, described client sends to server by tile number corresponding to the level of zoom number of the second electronic chart, map tile center and each level of zoom;
Described server, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculates under different zoom rank, and which tile numbering described markup information belongs to;
The described markup information that described client sends from described server is in the tile numbering of the current level of zoom of described the second electronic chart.
The present invention also provides a kind of electronic map information disposal route, comprises the steps:
The residing geographic coordinate of markup information that the user that server stores transmits from client marks at electronic chart, the map tile number corresponding to level of zoom number, map tile center and each level of zoom of described electronic chart;
The tile number that described server is corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
Described server receives described client-requested and sends described markup information in the tile numbering of certain level of zoom of described electronic chart;
Described server sends to described client by described markup information in the tile numbering of certain level of zoom of described electronic chart.
In one embodiment,
Also comprise the steps:
If described client is browsed the second electronic chart, the tile number corresponding to level of zoom number, map tile center and each level of zoom of the second electronic chart that described server stores client transmits sends to server;
Described server, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculates under different zoom rank, and which tile numbering described markup information belongs to;
Described server receives described client-requested and sends described markup information in the tile numbering of certain level of zoom of described the second electronic chart;
Described server sends to described client by described markup information in the tile numbering of certain level of zoom of described the second electronic chart.
The present invention also provides a kind of electronic map information treating apparatus, comprising:
The first processing unit, for sending the residing current level of zoom of current electronic map to server; Wherein, described server stores has user to number at markup information affiliated tile in each level of zoom of described electronic chart mark;
The second processing unit, numbers at the tile of the current level of zoom of described electronic chart for receiving the described markup information sending from described server;
The 3rd processing unit for calculating after the map tile coordinate of described markup information on tile, covers transparent print layer on described electronic chart, wherein, in described transparent print layer, on the position of corresponding described map tile coordinate, draws described markup information.
In one embodiment,
Also comprise:
Fourth processing unit, sends to server for send the tile number corresponding to level of zoom number, map tile center and each level of zoom of the geographic coordinate of described markup information, described electronic chart to described server;
Described server, for the tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
In one embodiment,
Also comprise:
The 5th processing unit, if browse the second electronic chart for described client, sends to server by tile number corresponding to the level of zoom number of the second electronic chart, map tile center and each level of zoom;
Described server, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculates under different zoom rank, and which tile numbering described markup information belongs to;
The 6th processing unit, numbers at the tile of the current level of zoom of described the second electronic chart for receiving the described markup information sending from described server.
The present invention also provides a kind of electronic map information treating apparatus, comprising:
Server the first processing unit, for storing the residing geographic coordinate of markup information marking at electronic chart from the user of client transmission, the map tile number corresponding to level of zoom number, map tile center and each level of zoom of described electronic chart;
Server the second processing unit, for the tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
Server the 3rd processing unit, sends described markup information in the tile numbering of certain level of zoom of described electronic chart for receiving described client-requested;
Server fourth processing unit, for sending to described client by described markup information in the tile numbering of certain level of zoom of described electronic chart.
In one embodiment,
Also comprise:
Server the 5th processing unit, if browse the second electronic chart for described client, the tile number corresponding to level of zoom number, map tile center and each level of zoom of storing the second electronic chart of client transmission sends to server;
Server the 6th processing unit, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculating is under different zoom rank, and which tile numbering described markup information belongs to;
Server the 7th processing unit, sends described markup information in the tile numbering of certain level of zoom of described the second electronic chart for receiving described client-requested;
Server the 8th processing unit, for sending to described client by described markup information in the tile numbering of certain level of zoom of described the second electronic chart.
In browsing the process of electronic chart, a large amount of computational resources of client are used for showing electronic chart, now the demonstration map speed of client is slower, by the tile under obtain from server pre-stored or the markup information that calculates, number, thereby can exempt client and calculate the computing which tile numbering markup information belongs to, client numbers to calculate and draw the transparent print layer with this markup information according to the tile of markup information, thereby can make client centralized calculation resource carry out map demonstration, and then improve the surfing of electronic chart.
Moreover, when client is browsed other electronic chart, only need to send the map tile number corresponding to level of zoom number, map tile center and each level of zoom of the second electronic chart, can calculate the markup information affiliated tile on described other electronic chart obtaining at original electronic chart numbers, thereby not only can save data traffic for client, also can improve the efficiency that client loads transparent print layer.
[accompanying drawing explanation]
Fig. 1 is the schematic flow sheet of the electronic map information disposal route of an embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the electronic map information disposal route of the another kind of embodiment of the present invention; .
[embodiment]
Below the preferred embodiment of invention is described in further detail.
Electronic chart has multiple zoom levels, and level of zoom is lower, and its map scale is larger, but the represented geographic range of other electronic chart of different zoom level is identical.The electronic chart of each level of zoom, consists of the map tile of corresponding number, the electronic chart that level of zoom is lower, and the number of the map tile that it comprises is more, and the resolution of each tile is higher.
Client may be by browser or the specific different electronic chart of map software flow, for example electronic chart A and electronic chart B (as Baidu's map and Google Maps), conventionally, different electronic charts has different level of zoom, or, even if there is identical level of zoom number, the map tile center of each electronic chart also can be same, thereby cause in same level of zoom, identical longitude and latitude belongs to respectively different map tile in electronic chart A and electronic chart B.
S1. when client end detects user and browses electronic chart, tile number corresponding to level of zoom number, map tile center and each level of zoom of electronic chart A now sent to server.
If S2. user side detects user and mark markup information on electronic chart A, for example, the area marking address points lacking at cartographic information, or mark track route (route can be regarded as by a series of point and form), sends to server by the geographic coordinate that now marks address points or track route.
S3. the server tile number corresponding according to the geographic coordinate of markup information, map tile center and each level of zoom, calculate under different zoom rank, which tile these markup informations belong to, for example, under the first level of zoom, belong to map tile a, under the second level of zoom, belong to map tile b etc., and markup information, level of zoom, affiliated map tile three's corresponding informance is stored in server.
S4. when client detects user, electronic chart A is operated, for example zoom in or out, and enter after certain level of zoom m, this level of zoom m is sent to server, request server sends the map tile n under the markup information corresponding with level of zoom m.
S5. server sends to client by the map tile n described in markup information;
S6. client is calculated the map tile location of pixels of markup information on map tile n, it is map tile coordinate, for example, calculate on certain mark point certain pixel on map tile n, then on described electronic chart, draw a transparent print layer, wherein, this transparent print layer only the position of the markup information on corresponding map tile n be not transparent outside, all the other are all transparent, to prevent the information covering of electronic chart A.
If S6. client detects user and browses electronic chart B, tile number corresponding to level of zoom number, map tile center and each level of zoom of electronic chart B now sent to server.
S7. then server by the markup information on electronic chart A obtaining in step S2, recalculate the tile under the described markup information under each rank of obtaining on electronic chart B, then markup information, level of zoom, affiliated map tile three's corresponding informance is stored in server.
S8. when client detects user, electronic chart B is operated, for example zoom in or out, and enter after certain level of zoom m ', this level of zoom m ' is sent to server, request server sends the map tile n ' under the markup information corresponding with level of zoom m '.
S5. server sends to client by the map tile n ' described in markup information;
S6. client is calculated the map tile location of pixels of markup information on map tile n ', and then upper drafting of described electronic chart B covers a transparent print layer, wherein, this transparent print layer only the position of the markup information on corresponding map tile n ' be not transparent outside, all the other are all transparent, to prevent the information covering of electronic chart B.
Like this, even if client is browsed different electronic charts, client can generate a markup information accurately on this electronic chart, and does not need repetition to send markup information to server, thereby can save certain data traffic and the efficiency of browsing generation figure layer.
The switch that the figure layer (static map layer) that can show transparency on the interface of electronic chart shows, to facilitate user to select whether to load this transparent print layer.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the present invention by the definite scope of patent protection of submitted to claims.
Claims (10)
1. an electronic map information disposal route, is characterized in that, comprises the steps:
User end to server sends the residing current level of zoom of current electronic map; Wherein, described server stores has user to number at markup information affiliated tile in each level of zoom of described electronic chart mark;
The described markup information that client sends from described server is in the tile numbering of the current level of zoom of described electronic chart;
Described client is calculated after the map tile coordinate of described markup information on tile, covers transparent print layer on described electronic chart, wherein, in described transparent print layer, on the position of corresponding described map tile coordinate, draws described markup information.
2. electronic map information disposal route as claimed in claim 1, is characterized in that, also comprises the steps:
Tile number corresponding to level of zoom number, map tile center and each level of zoom that described client sends the geographic coordinate of described markup information, described electronic chart to described server sends to server;
Described server, for the tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
3. electronic map information disposal route as claimed in claim 2, is characterized in that, also comprises the steps:
If described client is browsed the second electronic chart, described client sends to server by tile number corresponding to the level of zoom number of the second electronic chart, map tile center and each level of zoom;
Described server, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculates under different zoom rank, and which tile numbering described markup information belongs to;
The described markup information that described client sends from described server is in the tile numbering of the current level of zoom of described the second electronic chart.
4. an electronic map information disposal route, is characterized in that, comprises the steps:
The residing geographic coordinate of markup information that the user that server stores transmits from client marks at electronic chart, the map tile number corresponding to level of zoom number, map tile center and each level of zoom of described electronic chart;
The tile number that described server is corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
Described server receives described client-requested and sends described markup information in the tile numbering of certain level of zoom of described electronic chart;
Described server sends to described client by described markup information in the tile numbering of certain level of zoom of described electronic chart.
5. electronic map information disposal route as claimed in claim 4, is characterized in that, also comprises the steps:
If described client is browsed the second electronic chart, the tile number corresponding to level of zoom number, map tile center and each level of zoom of the second electronic chart that described server stores client transmits sends to server;
Described server, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculates under different zoom rank, and which tile numbering described markup information belongs to;
Described server receives described client-requested and sends described markup information in the tile numbering of certain level of zoom of described the second electronic chart;
Described server sends to described client by described markup information in the tile numbering of certain level of zoom of described the second electronic chart.
6. an electronic map information treating apparatus, is characterized in that, comprising:
The first processing unit, for sending the residing current level of zoom of current electronic map to server; Wherein, described server stores has user to number at markup information affiliated tile in each level of zoom of described electronic chart mark;
The second processing unit, numbers at the tile of the current level of zoom of described electronic chart for receiving the described markup information sending from described server;
The 3rd processing unit for calculating after the map tile coordinate of described markup information on tile, covers transparent print layer on described electronic chart, wherein, in described transparent print layer, on the position of corresponding described map tile coordinate, draws described markup information.
7. electronic map information treating apparatus as claimed in claim 6, is characterized in that, also comprises:
Fourth processing unit, sends to server for send the tile number corresponding to level of zoom number, map tile center and each level of zoom of the geographic coordinate of described markup information, described electronic chart to described server;
Described server, for the tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
8. electronic map information treating apparatus as claimed in claim 7, is characterized in that, also comprises:
The 5th processing unit, if browse the second electronic chart for described client, sends to server by tile number corresponding to the level of zoom number of the second electronic chart, map tile center and each level of zoom;
Described server, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculates under different zoom rank, and which tile numbering described markup information belongs to;
The 6th processing unit, numbers at the tile of the current level of zoom of described the second electronic chart for receiving the described markup information sending from described server.
9. an electronic map information treating apparatus, is characterized in that, comprising:
Server the first processing unit, for storing the residing geographic coordinate of markup information marking at electronic chart from the user of client transmission, the map tile number corresponding to level of zoom number, map tile center and each level of zoom of described electronic chart;
Server the second processing unit, for the tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom, calculates under different zoom rank, and which tile numbering described markup information belongs to.
Server the 3rd processing unit, sends described markup information in the tile numbering of certain level of zoom of described electronic chart for receiving described client-requested;
Server fourth processing unit, for sending to described client by described markup information in the tile numbering of certain level of zoom of described electronic chart.
10. electronic map information treating apparatus as claimed in claim 9, is characterized in that, also comprises:
Server the 5th processing unit, if browse the second electronic chart for described client, the tile number corresponding to level of zoom number, map tile center and each level of zoom of storing the second electronic chart of client transmission sends to server;
Server the 6th processing unit, for tile number corresponding according to the geographic coordinate of described markup information, map tile center and each level of zoom under the second electronic chart, calculating is under different zoom rank, and which tile numbering described markup information belongs to;
Server the 7th processing unit, sends described markup information in the tile numbering of certain level of zoom of described the second electronic chart for receiving described client-requested;
Server the 8th processing unit, for sending to described client by described markup information in the tile numbering of certain level of zoom of described the second electronic chart.
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| CN106803402A (en) * | 2017-04-05 | 2017-06-06 | 山东慧行天下文化传媒有限公司 | Intelligent guide guide system and method based on the classification display of map pantograph ratio |
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| CN106803402A (en) * | 2017-04-05 | 2017-06-06 | 山东慧行天下文化传媒有限公司 | Intelligent guide guide system and method based on the classification display of map pantograph ratio |
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| CN111353007A (en) * | 2018-12-24 | 2020-06-30 | 杭州海康威视系统技术有限公司 | Geographic element picking method, encoding method and device based on vector slice and electronic equipment |
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