CN103488633B - Network electronic map information processing method - Google Patents
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- CN103488633B CN103488633B CN201210190293.5A CN201210190293A CN103488633B CN 103488633 B CN103488633 B CN 103488633B CN 201210190293 A CN201210190293 A CN 201210190293A CN 103488633 B CN103488633 B CN 103488633B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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Abstract
The invention provides a kind of network electronic map information processing method, comprise the steps: that server arranges the extension geography key message of the hot spot region of the grid base map file with network electronic map；Server arranges the extended field of the geographical key message of storage extension in the grid base map file of the base map layers as electronic chart, is stored in this extended field of grid base map file by geographical for extension key message；After client is by obtaining grid base map file to server end request, resolve this grid base map file and arrange, the sphere of action utilizing the hot spot region of the geographical key message of the extension in grid base map file arranges the hot spot region of network electronic map, and is stored in network electronic map by the geographic information data in geographical for extension key message；Client utilizes mouse trigger event trigger hot spot region and show the geographic information data of association on network electronic map.It has good compatibility, it is possible to reduces cost, improve efficiency.
Description
Technical field
The present invention relates to network map technical field of information processing, particularly relate to a kind of network electronic map letter
Breath processing method.
Background technology
Along with the development of network technology, people make use of GIS-Geographic Information System (Geographic more
Information System, GIS) multiple format and the Map Service of content are provided.
Combine what offer network electronic map serviced at grille picture and the geographical key element service that can inquire about
In system, geographical key element can be inquired about and use the form performance of rasterizing, i.e. use different scale many
Cartographic information under level grille picture performance different resolution, multistage rasterize layer is referred to as electronic map system
Base map layers or base map, the information that the base map layers of multistage rasterizing comprises, that can inquire about is geographical crucial
Information, it is common that the geography information on basis, such as: administrative division, highway, railway, national highway, river
The information such as stream, lake, residential block, tourist attractions, important commercial port/shop.These information content many uses names
Claim mark on base map layers, this partial information content be referred to as key element (or claim " important point of interest
(Points of Interests, POI) ") information and related information thereof, it is referred to as geographical key message.
In prior art, key element information Direct Mark, in electronic chart base map layers, it comprises
Key element information includes: position and title.By arranging the district that the key element in base map layers is covered
Territory is hot spot region.The when that user's mouse being positioned at hot spot region, obtain this hot spot region correspondence by clicking on
Key element information.
But, for arranging the web electric map system of hot spot region display key element information, display is closed
During key element information need obtain needed for extraneous information parameter, can arrange hot spot region position, with
And the data content being associated with hot spot region, prior art, for these extra informations parameter, is generally adopted
With Separate Storage, it may be assumed that the hot spot region of grid electron map file and association describes information parameter Separate Storage,
This mode need hot spot region describe information, describe information transmission mechanisms, Map Service structure tight
Close coupling conjunction just can complete key element and markup information shows.
And the key element that other importances are relatively low, as the related information of key element information, including with close
Other guide that key element information is associated and information, as phone, address, describe in detail, the text such as evaluation
Change content etc., normally, the most directly identify/be plotted in base map layers, but user browse map time
Time can obtain by the way of server/customer end (B/S) inquires about, and then dynamic label placement is in base map layers.
Normally, the process of related information inquiry is firstly the need of the key word of user input query, then with electricity
The backstage searching system association of sub-Map Services website (client), needs the most to the back-end (server)
Request gives the related information of key word and shows.
In sum, for the process of geographical key message in prior art, depositing of network electronic map is increased
Storage space and complexity, which reduce processing speed and the efficiency of network electronic map, cost is high, efficiency is low,
Time-consuming.
Summary of the invention
Based on this, it is necessary to for problem of the prior art, it is provided that a kind of network electronic map information processing side
Method, it has good compatibility, it is possible to reduces cost, improve efficiency.
A kind of network electronic map information processing method provided for realizing the object of the invention, including walking as follows
Rapid:
Step S100, server arranges the extension of the hot spot region of the grid base map file with network electronic map
Geographical key message；
Step S200, server arranges storage in the grid base map file of the base map layers as electronic chart
The extended field of the geographical key message of extension, is stored in this expansion of grid base map file by geographical for extension key message
In exhibition field；
Step S300, after client is by obtaining grid base map file to server end request, resolves this grid
Base map file also arranges, and utilizes the hot spot region of the geographical key message of the extension in grid base map file
Sphere of action arranges the hot spot region of network electronic map, and by the geography information in geographical for extension key message
Data store in network electronic map；
Step S400, client utilizes mouse trigger event trigger hot spot region and show on network electronic map
Show the geographic information data of association.
Preferably, the geographical key message of described extension is { hot spot region parameter, geographic information data }；
Described hot spot region parameter, the i.e. sphere of action of hot spot region, represent only in the range of effective coverage
Just trigger mouse display event, the described geographic information data that display is associated with this effective coverage；
The described geographic information data associated with hot spot region, is with the storage of pre-set text form and hot zone
The geographical key message that the sphere of action in territory is associated.
Preferably, described step S200 comprises the steps:
Step S210, in raster file, is provided for storing the tEXt/zTXt field of geographic information data,
The form of storage geographic information data is key/value form, and the data encoding format of storage meets ISO/IEC
8859-1 standard, text size is unrestricted；
Wherein: key represents the keyword for representing information in embedding field, and keyword can not repeat, exist
In single file uniquely, taking the form of of key stores hereof with character string forms, and length does not limits；
Value represents the content information that key is indicated, and presented in character text, is used for storing key
Information expansion content；
Step S220, writes tEXt/zTXt field by geographic information data.
Preferably, described step S300 comprises the steps:
Step S310, the network electronic map of client browser is believed according to the outsourcing block diagram of currently displaying window
Breath Box (MinX, MinY, MaxX, MaxY), and show layers progression information, read to server request
The grid base map file loaded；
Step S320, after server obtains client request, retrieves from the grid base map file of storage and obtains
It is positioned under show layers rank under the covering of outsourcing block diagram information Box (MinX, MinY, MaxX, MaxY) scope
Whole grid base map files meeting request.
Step S330, the grid base map file that retrieval obtains meeting request is transferred to client；
Step S340, the network electronic map of client browser is receiving at the bottom of the grid that server transmission comes
After map file, arrange grid base map according to the order of grid base map filename at display window；
Step S350, client resolves and extracts the extension geography key message in grid base map file, utilizes
The sphere of action of the hot spot region of the geographical key message of extension in grid base map file arranges network electronic map
Hot spot region overlay, and the geographic information data in geographical for extension key message is stored network electronic
In map and be associated with hot spot region.
Preferably, in described step S350, client resolves grid base map file and arranges hot spot region
Overlay, comprises the steps:
Step S351, reads the grid base map file data being delivered to client；
Step S352, reads the content comprised in wherein tEXt/zTXt field；
Step S353, resolves hot spot region parameter rect and geographic information data info content wherein comprised；
Step S354, arranges position and the pop-up window display content of hot spot region overlay according to acquisition information,
The corresponding hot spot region overlay in each hot spot region, its overlay area is by the hot zone in information text
Field parameter rect determines；After click, the pop-up window information content of triggering is then geographic information data info
Content；
Step S355, closes the grid base map file opened；
Step S356, repeats until having processed all grid base map files being transferred to client.
Preferably, described step S340, also comprise the steps:
Step S341, after client gets grid base map file, filters out the hot spot region letter of repetition
Breath.
Beneficial effects of the present invention: the present invention is a kind of network electronic map information processing method, and it extends
The geographical key message of network electronic map so that geographical key message need not at electronic map server end
Extra support file and system, and it need not additionally obtain and resolve hot spot region parameter information, no
Affecting the use of network electronic map, its content stored is transparent to network electronic map user, it is possible to carry
For seamless upgrade and access, there is good compatibility, it is possible to reduce network electronic map well
Exploitation maintenance cost, is effectively improved the work efficiency of network electronic map.
Accompanying drawing explanation
Below in conjunction with concrete drawings and the specific embodiments, the present invention is further elaborated.
Fig. 1 is embodiment of the present invention one network electronic map information processing method flow chart；
Fig. 2 is the extension geography key message data structure format schematic diagram of the embodiment of the present invention；
Fig. 3 is the exemplary plot of the grid base map file association geographic information data of the embodiment of the present invention；
Fig. 4 is the relational format exemplary plot in Fig. 3；
Fig. 5 is the data instance figure that the geographical key message data of the extension in Fig. 2 embed grid base map；
Fig. 6 a ~ Fig. 6 c is a kind of embodiment flow chart of step S300 in Fig. 1；
Fig. 7 a ~ Fig. 7 d is a kind of embodiment flow chart of step S400 in Fig. 1.
Detailed description of the invention
See Fig. 1, as a kind of embodiment, embodiment of the present invention one network electronic map information processing
Method, comprises the steps:
Step S100, server arranges the extension of the hot spot region of the grid base map file with network electronic map
Geographical key message；
Wherein, the geographical key message content of described extension is { hot spot region parameter, geographic information data }.
As a kind of embodiment, described extension geography key message data structure format is as shown in Figure 2.
The described geographical related information of extension includes the content of following two aspect: the 1) sphere of action of hot spot region,
I.e. hot spot region parameter；2) geographic information data associated with hot spot region.
Wherein 1) sphere of action of hot spot region, i.e. hot spot region parameter, represent only in effective coverage scope
The interior mouse that just triggers shows event, the geographic information data that display is associated with this effective coverage.
It is preferred that as a kind of embodiment, the value of described sphere of action is to show that it is associated
The minimum enclosed rectangle of geographic information data；
2) geographic information data associated with hot spot region, be with pre-set text form storage with hot spot region
The geographical key message that sphere of action is associated.
The geographic information data of each one or several hot spot regions of grid base map file association.Such as, right
Should be in the geographic information data of Fig. 3, its concrete form is as shown in Figure 4.
Rect:{1,0.5,3,1.7} therein is sphere of action (the Ji Gai district of the hot spot region in coordinate range
Click on mouse in territory and will trigger and show the geographic information data of association).
The form of rect is rect:{x axle minima, y-axis minima, x-axis maximum, y-axis maximum }, thereafter
Info field i.e. be storage and display geographic information data.
In the embodiment of the present invention, described server is the server end with key element query capability, its tool
Having by network to client transmissions as the ability of the grille picture of electronic chart base map layers, it can be
Client provides specifies the grid base map file that figure level is other, specify viewing area to cover, these grid base maps
File is the base map layers of electronic map system, is available for user and obtains corresponding information at Client browse.
In the embodiment of the present invention, server by utilizing electronic mapping system arranges the grid with network electronic map
The extension geography key message of the hot spot region of lattice base map file, key element is believed by electronic mapping system
The extension content of breath embeds in rasterizing base map layers file, and client has only to decode the text wherein embedded
Content just can set up, in client, the key element hot spot region that can click on.
Step S200, server arranges storage expansion at the grid base map file of the base map layers as electronic chart
The extended field of site of an exhibition reason key message, is stored in this extension of grid base map file by geographical for extension key message
In field.
As a kind of embodiment, in the embodiment of the present invention, described step S200 comprises the steps:
Step S210, in grid (PNG) file, is provided for storing the tEXt/zTXt of geographic information data
Field, the form of storage geographic information data is key/value form, and the data encoding format of storage meets
ISO/IEC 8859-1 standard, text size is unrestricted.
Wherein: key represents the keyword for representing information in embedding field, and keyword can not repeat, exist
In single file uniquely, taking the form of of key stores hereof with character string forms, and length does not limits.
Value represents the particular content information that key is indicated, presented in character text, in the present invention
Embodiment use value field store concrete key message extension content.
Step S220, by geographic information data use support read-write grid (PNG) program or development library (as
Increase income storehouse libpng) write tEXt/zTXt field.
In the network electronic map information processing method of the embodiment of the present invention, client does not exist and grid base map
The storage data structure of file association, the geographic information data being associated with the hot spot region of grid base map file
Use the preset format meeting ISO/IEC 8859-1 standard, be embedded in the grid base map literary composition supporting text to embed
In part, as shown in Figure 5.
Step S300, after client is by obtaining grid base map file to server end request, resolves this grid
Base map file also arranges, and utilizes the hot spot region of the geographical key message of the extension in grid base map file
Sphere of action arranges the hot spot region of network electronic map, and by the geography information in geographical for extension key message
Data store in network electronic map.
After client uses document analysis program or development library to extract grid base map file Chinese version information, at grid
Overlay figure layer is set up on lattice base map layer.The corresponding overlay figure layer in each hot spot region, each
Overlay figure layer arranges the response events that mouse skims over and clicks on.
It is preferred that as a kind of embodiment, described step S300 comprises the steps:
Step S310, client browser (as IE 7.0, IE7++, FixFox, Chrome, Safari,
Opera browser) network electronic map according to outsourcing block diagram information Box of currently displaying window (MinX,
MinY, MaxX, MaxY), and show layers progression information, read at the bottom of the grid loaded to server request
Map file；
Network electronic map reads according to outsourcing block diagram information and show layers progression information request and loads grid ground
Figure base map file, is a kind of prior art, therefore, in embodiments of the present invention, describes in detail the most one by one.
Step S320, after server obtains client request, retrieves from the grid base map file of storage and obtains
It is positioned under show layers rank under the covering of outsourcing block diagram information Box (MinX, MinY, MaxX, MaxY) scope
Whole grid base map files meeting request.
Step S330, the grid base map file that retrieval obtains meeting request is transferred to client, shown in Fig. 6 a；
Step S340, the network electronic map of client browser is receiving at the bottom of the grid that server transmission comes
After map file, arrange grid base map according to the order of grid base map filename at display window.
Step S350, client resolves grid and extracts the extension geography key message in grid base map file, profit
By the sphere of action of the hot spot region of the geographical key message of the extension in grid base map file, network electronic ground is set
Hot spot region overlay(such as Fig. 6 b of figure), and the geographic information data in geographical for extension key message is deposited
Store up in network electronic map and be associated with hot spot region.
Extension geography key message in grid base map file is read after grid base map file is fetched into client
Take out, then store in the client in the way of sequence list, and set up index index, network electronic ground
Figure uniquely identifies and the extension information in reading order table with this index index.Utilize grid base map file
In the sphere of action of hot spot region of extension geographical key message the hot spot region of network electronic map is set
Overlay, stores each overlay in sequence list as a dom element, and by geographical for extension crucial
Geographic information data in information stores in network electronic map and is associated with hot spot region.
As a kind of embodiment, described client resolves grid base map file and arranges hot spot region
Overlay, as fig. 6 c, comprises the steps:
Step S351, uses the program of electronic mapping system or development library to read the grid being delivered to client
Lattice base map file (PNG format) data；
It is a kind of existing that the program of described electronic mapping system or development library read grid base map file data
There is technology, therefore, in embodiments of the present invention, describe in detail the most one by one.
Step S352, reads the content comprised in wherein tEXt/zTXt field；
Step S353, resolves hot spot region parameter rect and geographic information data info content wherein comprised；
Step S354, arranges position and the pop-up window display content of hot spot region overlay according to acquisition information,
The corresponding hot spot region overlay in each hot spot region, its overlay area is by the hot zone in information text
Field parameter rect determines；After click, the pop-up window information content of triggering is then geographic information data info
Content；
Step S355, closes the grid base map file opened；
Step S356, repeats until having processed all grid base map files being transferred to client.
It is preferred that as a kind of embodiment, described step S340, also comprise the steps:
Step S341, after client gets grid base map file, filters out the hot spot region letter of repetition
Breath.
Being stored in multiple grid base map file at the geographical key message of extension, corresponding geographic information data is same
Time be stored in adjacent multiple grid base map files, after client gets these files, filter out weight
Multiple hot spot region information., so solve and be not fully contained in current map across the hot spot region of file storage
Drafting integrity issue during scope.After client gets these files, can resolve and filter out weight
Multiple hot spot region information, it is ensured that each hot spot region is a unique corresponding overlay on map.
Step S400, client utilizes mouse trigger event trigger hot spot region and show on network electronic map
Show the geographic information data of association.
Hot spot region overlay(DOM element) represent network electronic map form certain limit, due to net
Network electronic chart have identify mouse ability, when mouse move to DOM element represent in the range of time, net
Network electronic chart monitors mouse event, triggers mouse event, display hot spot region and the ground of display association
Reason information data information.
The overlay area of hot spot region Overlay is by the sphere of action of the hot spot region extended in geographical key message
Data determine, the response that mouse moves is triggered by network electronic map.
In the embodiment of the present invention, this mouse is set when moving to this region, triggers mouse event, display association
The mouse response mode of geographic information data.Such as, after mouse moves to this region, corresponding hot spot region
Hot spot region overlay figure floor height bright, prompting user can click on herein；After user clicks on, overlay schemes
Layer ejects bubble, and the information of display is the content of corresponding geographic information data, as shown in Fig. 7 a ~ Fig. 7 d.
Wherein, Fig. 7 (a) arranges hot spot region overlay for reading grille picture text message and arranges heat
The process that some region overlay and corresponding geographic information data trigger.
Fig. 7 (b), (c), (d) are that mouse event is monitored and information display process.
Owing to the base map layers of grid electron map is cut into the grid base map file of several equal sizes,
Be likely to occur the situation of geographical for extension key message cutting, i.e. the geographical key message of extension is at the bottom of multiple grids
Map file is respectively stored in a part.The geographic information data of its correspondence is stored concurrently in adjacent multiple grids
In base map file, then network electronic map arranges multiple key message geographical with extension and is mutually related hot zone
Territory overlay, when mouse event triggers one of them hot spot region overlay, also triggering is associated many
Individual overlay, thus show whole geographic information datas.
The network electronic map information processing method of the present invention, due to the extension geography key message storage arranged
Given segment is extremely limited, as one preferably embodiment, the geographical crucial letter of described single extension
Breath amount of storage is less than 50 bytes.The extension geography key message number that same grid base map file accommodates is the most relatively
For limited, forgiving the geographical key message of extension with single grid base map file is 20 calculating, the description of increase
Information content is less than 1kb.Relative to the grille picture of 128*128 size, increase content of text minimum, base
Negligible calculation in basis, will not dramatically increase load and the expense of transmission, and it need not special data base
Manage, only need to be temporarily held in internal memory, such that it is able to efficiently reduce the amount of storage of network electronic map,
Improve the speed of service of electronic chart, be effectively improved the work efficiency of network electronic map.Meanwhile, pass through
In grid base map file, storage includes the extension geography key message of hot spot region information, simplifies rear end and supports
The service logic of system, it is not necessary to safeguard the hot spot region information being associated with grid base map file, and its
Geographical key message is made to need not extra support file and system, Er Qieqi at electronic map server end
Need not additionally obtain and resolve hot spot region parameter information, do not affect the use of network electronic map, its institute
The content of storage is transparent to network electronic map user, using the teaching of the invention it is possible to provide seamless upgrade and access use, and have very
Good compatibility, it is possible to reduce the exploitation maintenance cost of network electronic map well, is effectively improved network electricity
The work efficiency of sub-map.
The embodiment of the present invention is by the extension geography key message hot spot region and the association that include hot spot region information
Hold embedded being stored in grid base map file.After being transferred to client, wherein comprise if do not resolved
Content, grid base map file completely the same when of using and do not have embedded text information.If client
Resolve the text message embedded, can construct easily and the hot spot region that can trigger in client, logical
Cross click just to realize extension information and show.It has good compatibility.For literary composition can be supported
The grid format file of this embedding, embeds in grid base map file by geographical for extension key message, grid base map
File information integral associated with it stores；By client to grille picture file decoding, thus realize
The transmission of text message.Its completely compatible existing network Map Service system, is decoded by client,
I.e. can realize being obtained the relevant information of key element by mouse click event, this process does not trigger for POI
The query script of information, completes in client completely；Promote the efficiency of processing procedure, it is not necessary to service end
Mutual.Can be directly applied to tie mutually with the geographical key element service that can inquire about based on grille picture simultaneously
Close in the system that network electronic map service is provided.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (7)
1. a network electronic map information processing method, it is characterised in that comprise the steps:
Step S100, server arranges the hot spot region of the grid base map file association with network electronic map
The geographical key message of extension；
Step S200, server is in the grid base map file of the base map layers as described network electronic map
The extended field of the geographical key message of storage extension is set, geographical for extension key message is stored in grid base map literary composition
In this extended field of part；
Step S300, after client is by obtaining grid base map file to server end request, resolves this grid
Base map file also arranges, and utilizes the hot spot region of the geographical key message of the extension in grid base map file
Sphere of action arranges the hot spot region of network electronic map, and by the geography information in geographical for extension key message
Data store in network electronic map；
Step S400, client utilizes mouse trigger event trigger hot spot region and show on network electronic map
Show the geographic information data of association.
Network electronic map information processing method the most according to claim 1, it is characterised in that described
The geographical key message of extension is { hot spot region parameter, geographic information data }；
Described hot spot region parameter, the i.e. sphere of action of hot spot region, represent only in the range of effective coverage
Just trigger mouse display event, the described geographic information data that display is associated with this effective coverage；
The described geographic information data associated with hot spot region, is with the storage of pre-set text form and hot zone
The geographical key message that the sphere of action in territory is associated.
Network electronic map information processing method the most according to claim 2, it is characterised in that described
The value of sphere of action is to show the minimum enclosed rectangle of its associated geographic information data.
4. according to the network electronic map information processing method described in any one of claims 1 to 3, its feature
Being, described step S200 comprises the steps:
Step S210, in described grid base map file, is provided for storing geographic information data
TEXt/zTXt field, the form of storage geographic information data is key/value form, the data encoding lattice of storage
Formula meets ISO/IEC 8859-1 standard, and text size is unrestricted；
Wherein: key represents the keyword for representing information in embedding field, and keyword can not repeat, exist
In single file uniquely, taking the form of of key stores hereof with character string forms, and length does not limits；
Value represents the content information that key is indicated, and presented in character text, is used for storing described
The geographical key message content of extension；
Step S220, writes tEXt/zTXt field by geographic information data.
5. according to the network electronic map information processing method described in any one of claims 1 to 3, its feature
Being, described step S300 comprises the steps:
Step S310, the network electronic map of client browser is believed according to the outsourcing block diagram of currently displaying window
Breath Box (MinX, MinY, MaxX, MaxY), and show layers progression information, read to server request
Grid base map file；
Step S320, after server obtains client request, retrieves from the grid base map file of storage and obtains
It is positioned under show layers rank under the covering of outsourcing block diagram information Box (MinX, MinY, MaxX, MaxY) scope
Whole grid base map files meeting request；
Step S330, the grid base map file that retrieval obtains meeting request is transferred to client；
Step S340, the network electronic map of client browser is receiving at the bottom of the grid that server transmission comes
After map file, arrange grid base map according to the order of grid base map filename at display window；
Step S350, client resolves and extracts the extension geography key message in grid base map file, utilizes
The sphere of action of the hot spot region of the geographical key message of extension in grid base map file arranges network electronic map
Hot spot region overlay, and the geographic information data in geographical for extension key message is stored network electronic
In map and be associated with hot spot region.
Network electronic map information processing method the most according to claim 5, it is characterised in that described
In step S350, client resolves grid base map file and arranges hot spot region overlay, comprises the steps:
Step S351, reads the grid base map file data being delivered to client；
Step S352, reads the content comprised in wherein tEXt/zTXt field；
Step S353, resolves hot spot region parameter rect and geographic information data info content wherein comprised；
Step S354, arranges position and the pop-up window display content of hot spot region overlay according to acquisition information,
The corresponding hot spot region overlay in each hot spot region, its overlay area is by the hot zone in information text
Field parameter rect determines；After click, the pop-up window information content of triggering is then geographic information data info
Content；
Step S355, closes the grid base map file opened；
Step S356, repeats the step that described reading is delivered to the grid base map file data of client, until
All grid base map files being transferred to client are processed.
Network electronic map information processing method the most according to claim 5, it is characterised in that described
Step S340, also comprises the steps:
Step S341, after client gets grid base map file, filters out the hot spot region letter of repetition
Breath.
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| CN106547804B (en) * | 2015-09-23 | 2019-10-25 | 北京国双科技有限公司 | The Chinese display methods and device of silverlight map |
| CN106570825B (en) * | 2016-10-26 | 2020-02-28 | 珠海许继芝电网自动化有限公司 | Picture superposition system and method based on transparent pictures |
| CN110869921A (en) * | 2018-07-24 | 2020-03-06 | 深圳市大疆创新科技有限公司 | Map data reconstruction method, map data reconstruction device, and recording medium |
| CN111050279A (en) * | 2018-10-12 | 2020-04-21 | 上海博泰悦臻电子设备制造有限公司 | Vehicle, vehicle-mounted equipment and hot spot data sharing method based on map display |
| CN109584341B (en) * | 2018-11-15 | 2022-11-25 | 腾讯科技（深圳）有限公司 | Method and device for drawing on drawing board |
| CN112084287B (en) * | 2020-09-14 | 2024-01-05 | 广东弓叶科技有限公司 | Electronic map generation method and device and electronic map |
| CN112632209B (en) * | 2020-12-29 | 2021-08-17 | 智慧足迹数据科技有限公司 | Data association method and device, computer equipment and readable storage medium |
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