CN107103072A - A kind of method and system in mobile terminal display space graph data - Google Patents
A kind of method and system in mobile terminal display space graph data Download PDFInfo
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- CN107103072A CN107103072A CN201710266954.0A CN201710266954A CN107103072A CN 107103072 A CN107103072 A CN 107103072A CN 201710266954 A CN201710266954 A CN 201710266954A CN 107103072 A CN107103072 A CN 107103072A
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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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- 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
- G06F16/957—Browsing optimisation, e.g. caching or content distillation
- G06F16/9574—Browsing optimisation, e.g. caching or content distillation of access to content, e.g. by caching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
Abstract
The invention discloses a kind of method and system in mobile terminal display space graph data, this method comprises the following steps, server end is loaded into and stores satellite photo, split and grid picture is generated after satellite photo, rendering mesh picture, the grid picture after rendering splices, generates map vector again, and mobile terminal sends download request information to server end, server end goes out area map according to download request information interception, and mobile terminal receives area map, viewing area map；The system includes server end and mobile terminal；Server end includes insmod, split module, rendering module, concatenation module, receiving module, interception module and sending module, and mobile terminal includes request module, acquisition module, matching module and display module；Processing procedure is laid particular emphasis on server end by the scheme that the present invention is provided, and reduces the hardware requirement to mobile terminal, and the loading velocity of space diagram data is improved by way of the calculating process for reducing mobile terminal.
Description
Technical field
The present invention relates to electronic map technique field, specifically for, the present invention shows empty to be a kind of in mobile terminal
Between graph data method and system.
Background technology
With continuing to develop for large scale integrated circuit technology, the hardware cost of mobile terminal becomes more and more lower, such as
Current smart mobile phone, its occupation rate nearly reaches 100%.In the case where mobile terminal occupation rate is so high, seek movement
The extension sexual function of terminal device, becomes the direction of common concern, and the electronic map function based on mobile terminal, more turns into
Focus of concern.
In the prior art there is provided application of many based on mobile terminal, such as Baidu map, Google Maps, search dog
Figure, Tengxun's map, high moral map, tiger map etc..Although these maps can provide basic map function, navigation feature,
But, its data provided is often pre-loaded in mobile terminal, and what user checked is not real time data；Even if some
Using real-time map can be provided reluctantly, but because technical bottleneck causes the loading velocity of space diagram data excessively slow, it is impossible to meet
The real-time demand of user；In addition, the existing scheme for implementing real-time map is also excessively complicated, while to the hardware of mobile terminal
It can require too high, cause the scope of application of conventional method narrower.
Therefore, obtain a kind of speed for improving mobile terminal loading space diagram data and improve the real-time of electronic map
The method of property, becomes those skilled in the art's technical problem urgently to be resolved hurrily and the emphasis studied all the time.
The content of the invention
To solve present in existing electronic map, space graph data loading velocity is slow in real time, implement real-time electronic map
Scheme is excessively complicated, narrow application range the problems such as, the invention provides a kind of in mobile terminal display space graph data
Method and system, by server end to the processing of the satellite photo with space diagram data, server and mobile terminal
The modes such as facile communication improve the loading velocity of real-time space graph data, and reduce the hardware requirement to intelligent terminal.
To realize above-mentioned technical purpose, the invention discloses a kind of side in mobile terminal display space graph data
Method, this method comprises the following steps,
Step 1, server end is loaded into and stores the satellite photo with space diagram data；
Step 2, the grid picture of generation after the satellite photo more than two is split, all grid pictures are collectively constituted
Satellite photo；
Step 3, carry out Rendering operations to trrellis diagram piece of often throwing the net respectively, and the grid picture after rendering high resolution in wash with watercolours
The resolution ratio of grid picture before dye；
Step 4, based on the segmentation situation in step 2, the grid picture after rendering splices, generates map vector again；
Step 5, mobile terminal sends download request information to server end, and the download request information is also comprising mobile whole
Hold location information, mobile terminal display screen dimension information and the map scale information of itself；
Step 6, server end is received after the download request information, and centre coordinate is determined using the location information, profit
Determine interception area with the mobile terminal display screen dimension information and map scale information, according to the centre coordinate and cut
Region is taken to intercept out area map on the map vector；
Step 7, the area map is sent to mobile terminal；
Step 8, mobile terminal is received after the area map, by the area map and mobile terminal itself determining currently
Position information matches；If the match is successful, showing on the mobile terminal in the area map, the area map has
Space diagram data.
In order to improve the real-time that space diagram data are shown in mobile terminal, the present invention is innovatively by map datum
Server is mainly transferred in processing work, and the satellite photo with space diagram data is split by server, render, spelled
Operation is connect, and the area map for needing to show selectively is cut out for the request of mobile terminal, it is of the present invention
The groundwork of mobile terminal is to be matched by location information and ensure the accuracy that electronic map is shown.Therefore, the present invention is aobvious
Showing the method for space diagram data has that real-time is good, highly reliable, requires that low, scheme is simple to mobile terminal configuration, be easy to
The outstanding advantages such as popularization and application.
Further, this method also comprises the following steps,
Step 9, when the area map that mobile terminal detects its screen display is exaggerated or minimized, then according to amplification or
Reduced scale updates map scale information, return to step 5.
The present invention can easily obtain the area map zoomed in or out by the modification of comparative example chi information, this letter
Single action response necessarily improves the loading velocity of space diagram data, to meet user to zooming in or out real-time electronic
The demand of figure.
Further, in step 9, when the area map that mobile terminal detects its screen display is moved, then basis
Viewing area center after movement generates newest location information, is believed using the positioning of the newest positioning information update currently
Breath, return to step 5.
The present invention easily obtains the area map after movement, this simple action by the modification to location information
Response necessarily improves the loading velocity of space diagram data, to meet demand of the user to mobile electronic map.
Further, in step 8, in the first preset duration, mobile terminal receives the area map of more than two, by institute
State the area map of more than two and mobile terminal is stored in stack, the principle that each area map goes out afterwards according to first entering is with working as
Preceding location information matching, untill the match is successful；If be stored in all area maps of mobile terminal with it is current
It fails to match for location information, then return to step 5.
Stacking method is innovatively applied on mobile terminal display space graph data by the present invention, based on first entering what is gone out afterwards
Principle, mobile terminal can preferentially be matched to relatively new area map, and relatively new area map is obviously more likely
Meet the area map of matching condition, it is thus possible to reduce the match time of mobile terminal, mobile terminal is shown sky as soon as possible
Between graph data, improve electronic map real-time；Especially for the low mobile terminal of hardware configuration, this improved technology
The real-time effect that scheme is brought becomes apparent.
Further, in step 3, the tranining database rendering mesh picture generated based on deep learning method is utilized.
The innovatively rendering mesh picture by way of deep learning of the invention, this mode can improve rendering effect,
Make the grid picture after rendering closer to actual conditions, so as to ensure that the authenticity and reliability of electronic map.
Further, in step 3, grid picture to be rendered is carried out to the amplification of Pixel-level first, training data is utilized
Data in storehouse are filled operation to each pixel, after padding terminates, and grid picture is contracted to the amplification of Pixel-level
Preceding size, so as to complete Rendering operations.
The present invention is innovatively amplified in grid picture render process, filled, reduction operation, by this fine
The mode that renders drastically increase the resolution ratio of grid picture, and ensure that the accuracy that electronic map is shown, and preferably
Meet amplification requirement of the user to space diagram or electronic map.
Further, in step 2, the satellite photo is averagely split, generation M × N throws the net trrellis diagram piece, wherein, M, N are
Integer, and M >=1, N >=1.
The complexity of later rendering process can be reduced by way of average segmentation, the processing speed of render process is improved
Degree, reduction space diagram data improve real-time effect in the load time of mobile terminal.
Further, in step 5, the location information includes longitude information and dimensional information.
Positioning function based on mobile terminal, such as GPS location function, the invention can ensure that electronic map loading is accurate
Property and reliability, certainly, to improve the richness of cartographic information, location information may also include elevation information.
Another goal of the invention of the present invention is to provide a kind of system in mobile terminal display space graph data, is somebody's turn to do
System includes server end and mobile terminal；The server end includes insmoding, splits module, rendering module, splicing mould
Block, receiving module, interception module, sending module, the mobile terminal include request module, acquisition module, matching module and shown
Show module；
It is described to insmod, for being loaded into and storing the satellite photo with space diagram data；
The segmentation module, the grid picture of more than two is generated for splitting after the satellite photo；
The rendering module, for carrying out Rendering operations to trrellis diagram piece of often throwing the net respectively；
The concatenation module, for that will render after grid picture splice again, generate map vector；
The receiving module, for receiving the download request information that mobile terminal is sent；
The interception module, for determining centre coordinate using the location information, utilizing the mobile terminal display screen
Dimension information and map scale information determine interception area, according to the centre coordinate and interception area in the map vector
On intercept out area map；
The sending module, for the area map to be sent to mobile terminal；
The request module, for sending download request information to server end, and the download request information is also included
Location information, mobile terminal display screen dimension information and the map scale information of mobile terminal itself；
The acquisition module, the area map sent for server end；
The matching module, for the current location information of the area map and mobile terminal itself to be matched；
The display module, for showing the region after the match is successful in matching module on the mobile terminal
Figure.
Further, the mobile terminal also includes detection module, for detecting the region that mobile terminal screen is shown
Whether figure is exaggerated, reduces or mobile.
Beneficial effects of the present invention are：The present invention innovatively generates map vector by server end, and according to mobile whole
The request at end accordingly cuts out suitable area map, for being shown for mobile terminal.The technical scheme that the present invention is provided will
Processing procedure lays particular emphasis on server end, reduces the hardware requirement to mobile terminal, by reducing mobile terminal calculating process
Mode improves the loading velocity of space diagram data.
Brief description of the drawings
Fig. 1 be embodiment one in mobile terminal display space graph data method flow chart.
Fig. 2 be embodiment one in mobile terminal display space graph data system composition figure.
Fig. 3 be embodiment two in mobile terminal display space graph data method flow chart.
Fig. 4 be embodiment two in mobile terminal display space graph data system composition figure.
Fig. 5 be embodiment three in mobile terminal display space graph data method flow chart.
Fig. 6 be example IV in mobile terminal display space graph data method flow chart.
Embodiment
With reference to Figure of description to a kind of method and system in mobile terminal display space graph data of the invention
Carry out detailed explanation and illustration.
Embodiment one：
As shown in Figure 1, 2, the invention discloses a kind of method in mobile terminal display space graph data, this method tool
The following steps that body includes.
Step 1, server end is communicated with gathering the satellite of ground picture, and server end is loaded into and stored with space
The satellite photo of graph data, but the resolution ratio of satellite photo is often relatively low, and satellite photo need to be handled.
Step 2, to improve to the processing accuracy of satellite photo and be easy to grasp the processing progress to satellite photo, this implementation
The generation grid picture of more than two after segmentation satellite photo in example, all grid pictures collectively constitute satellite photo.This reality
Apply in example, averagely split satellite photo, generation M × N throws the net trrellis diagram piece, wherein, M, N are integer, and M >=1, N >=1；Such as M
=3, N=3.The complexity of later rendering process can be reduced by way of average segmentation, the processing speed of render process is improved,
Space diagram data are reduced in the load time of mobile terminal, the real-time of space diagram data display is improved.
Step 3, trrellis diagram piece of often throwing the net is rendered respectively using the tranining database generated based on deep learning method
Operation, and the resolution ratio of grid picture of the high resolution before rendering of the grid picture after rendering, specifically, the present embodiment is first
Grid picture to be rendered is first carried out to the amplification of Pixel-level, after the amplification by carrying out pixel scale to grid picture, utilized
Data in tranining database are filled operation to each pixel, after padding terminates, and grid picture is contracted into picture
Size before the amplification of plain level, so as to complete Rendering operations；In the present invention, innovatively carried out in grid picture render process
Amplification, filling, reduction operation, by it is this it is fine, accurately the resolution ratio of grid picture can be greatly enhanced by rendering mode, and
The accuracy that electronic map is shown is ensure that, and preferably meets amplification requirement of the user to space diagram or electronic map.This
Innovation by way of deep learning rendering mesh picture, this mode can improve rendering effect, make after rendering
Grid picture is closer to actual conditions, so as to ensure that the authenticity and reliability of electronic map, is trained for specific set up
The process of database, those skilled in the art can select under the technical inspiration of the present invention from the method for conventional tranining database
Select.
Step 4, based on the segmentation situation in step 2, according to prior segmentation rule, the grid picture after rendering is again
Splicing, generation map vector；The map vector of generation is compared with satellite photo, it constitutes essentially identical substantially, simply vector
The resolution ratio of figure is higher, is shown available for mobile terminal.
Step 5, mobile terminal is sent in download request information, download request information to server end, also comprising mobile whole
Location information, mobile terminal display screen dimension information and the map scale information of itself are held, wherein location information includes longitude
Information and dimensional information.Positioning function based on mobile terminal, such as, mobile terminal GPS location function, the present invention can specific aim
Requested part space diagram data, the accuracy and reliability for ensureing electronic map loading, certainly, to improve the rich of cartographic information
Fu Du, accelerometer and gyroscope based on mobile terminal itself, location information may also include elevation information.
Step 6, server end is received after download request information, is to be carried as far as possible by reducing the data volume mode that need to be transmitted
High spatial graph data mobile terminal loading velocity, it is true using the location information in download request information in the present embodiment
Centered coordinate, and interception area is determined using mobile terminal display screen dimension information in download request information and map scale information
Domain, area map is intercepted out according to centre coordinate and interception area on map vector
Step 7, according to the request of mobile terminal, server sends area map to mobile terminal.
Step 8, mobile terminal is received after area map, by area map and the current location information of mobile terminal itself
Match somebody with somebody, have verified that the accuracy of area map；Specific matching process can be believed for the centre coordinate of area map with current positioning
Breath contrast, if in the threshold range of the two difference, such as the two difference≤18 meter then illustrate that the area map obtained is accurate
, illustrate that the match is successful, then viewing area map on mobile terminals, there are space diagram data in area map.
The above-mentioned method in mobile terminal display space graph data of correspondence, the invention also discloses one kind in mobile terminal
The system of display space graph data, the system includes server end and mobile terminal；Server end includes insmoding, splitting
Module, rendering module, concatenation module, receiving module, interception module, sending module, mobile terminal include request module, obtain mould
Block, matching module and display module；
Insmod, for being loaded into and storing the satellite photo with space diagram data；
Split module, generate the grid picture of more than two after satellite photo for splitting；
Rendering module, for carrying out Rendering operations to trrellis diagram piece of often throwing the net respectively；
Concatenation module, for that will render after grid picture splice again, generate map vector；
Receiving module, for receiving the download request information that mobile terminal is sent；
Interception module, for determining centre coordinate using location information, utilizing mobile terminal display screen dimension information and ground
Drawing scale information determines interception area, and area map is intercepted out on map vector according to centre coordinate and interception area；
Sending module, for area map to be sent to mobile terminal；
Request module, for sending download request information to server end, and download request information also includes mobile terminal
Location information, mobile terminal display screen dimension information and the map scale information of itself；
Acquisition module, the area map sent for server end；
Matching module, for the current location information of area map and mobile terminal itself to be matched；
Display module, for viewing area map on mobile terminals after the match is successful in matching module.
In the present embodiment, to improve the real-time that space diagram data are shown in mobile terminal, the present invention innovatively will be right
Server is transferred in the main processing work of map datum, and the satellite photo with space diagram data is divided by server
Cut, render, concatenation, and for mobile terminal request and selectively cut out need show area map, this
The groundwork for inventing the mobile terminal being related to is to be matched by location information and ensure the accuracy that electronic map is shown.Cause
This, the method for display space graph data of the present invention has real-time good, highly reliable, low to mobile terminal configuration requirement, square
The case prominent advantage such as simple, easy to utilize.The present invention innovatively generates map vector by server end, and according to shifting
The request of dynamic terminal accordingly cuts out suitable area map, for being shown for mobile terminal.The scheme that the present invention is provided will
Processing procedure lays particular emphasis on server end, reduces the hardware requirement to mobile terminal, by the calculating process for reducing mobile terminal
Mode improve the loading velocities of space diagram data.
Embodiment two：
As shown in Figure 3,4, the present embodiment and embodiment one are essentially identical, and its difference is：The present embodiment is stated on the implementation
After step 1 to step 8, also comprise the following steps：Step 9, mobile terminal detects whether its screen display is scaled or mobile,
If it is not, then terminating；If it is, first determine whether mobile terminal detect its screen display area map whether be exaggerated or
Reduce, if it is, updating map scale information according to the ratio zoomed in or out, be then back to step 5；If it is not, then
When illustrating that mobile terminal detects the area map of its screen display and moved, then according to the viewing area center after movement
Newest location information is generated, using the current location information of newest positioning information update, return to step 5, re-emitting download please
Seek information.
The present invention can easily obtain the area map zoomed in or out by the modification of comparative example chi information, this letter
Single action response necessarily improves the loading velocity of space diagram data, to meet user to zooming in or out real-time electronic
The demand of figure.The present invention easily obtains the area map after movement by the modification to location information, this simple dynamic
The loading velocity for necessarily improving space diagram data is responded, to meet demand of the user to mobile electronic map.
Corresponding to the above-mentioned method in mobile terminal display space graph data, the present embodiment be related in mobile terminal
Mobile terminal in the system of display space graph data also includes detection module, for detecting the area that mobile terminal screen is shown
Whether domain map is exaggerated, reduces or mobile.
Embodiment three：
As shown in figure 5, the present embodiment and embodiment two are essentially identical, its difference is：The present embodiment is to screen display
The judgement order of area map is different from embodiment two.In the present embodiment, the region of its screen display is detected in mobile terminal
When map is scaled or is mobile, then first determine whether whether area map is moved, if it is, according to the viewing area after movement
Center generates newest location information, and using the current location information of the newest positioning information update, is then back to step
5, if it is not, then explanation area map is exaggerated or minimized, then according to the ratio map automatic updating ratio zoomed in or out
Return to step 5 after chi information, renewal, re-emits download request information.
On the basis of embodiment two and embodiment three, the present invention can directly judge whether area map is scaled or moves
Dynamic, judgement is scaled, the order of shift action is interchangeable.
Example IV：
As shown in fig. 6, the present embodiment and embodiment one, two or three are essentially identical, its difference is：In step 8, if moved
Dynamic terminal have issued multiple download request information to server end, such as, mobile terminal receives two in the first preset duration
The area map of the above, mobile terminal is stored in by the area map of more than two with stack, each area map according to
First enter the principle gone out afterwards to match with current location information, untill the match is successful, the first preset duration can be entered as needed
Row reasonable set, such as, and the first preset duration=10 second；If be stored in all area maps of mobile terminal with it is current
It fails to match for location information, then return to step 5.Stacking method is innovatively applied to mobile terminal display space figure by the present invention
In data, based on the principle that goes out afterwards is first entered, mobile terminal can preferentially be matched to relatively new area map, and new region
Map is obviously more likely the area map for meeting matching condition, it is thus possible to reduces the match time of mobile terminal, makes movement
Terminal display space graph data as soon as possible, improves the real-time of electronic map；Especially for hardware configuration low mobile end
End, the real-time effect that this improved technical scheme is brought becomes apparent.
Presently preferred embodiments of the present invention is these are only, is not intended to limit the invention, it is all in substantive content of the present invention
On any modification, equivalent substitution and the simple modifications made etc., should be included in the scope of the protection.
Claims (10)
1. a kind of method in mobile terminal display space graph data, it is characterised in that：This method comprises the following steps,
Step 1, server end is loaded into and stores the satellite photo with space diagram data；
Step 2, the grid picture of generation after the satellite photo more than two is split, all grid pictures collectively constitute satellite
Picture；
Step 3, carry out Rendering operations to trrellis diagram piece of often throwing the net respectively, and the grid picture after rendering high resolution before rendering
Grid picture resolution ratio；
Step 4, based on the segmentation situation in step 2, the grid picture after rendering splices, generates map vector again；
Step 5, mobile terminal sends download request information to server end, and the download request information also includes mobile terminal certainly
Location information, mobile terminal display screen dimension information and the map scale information of body；
Step 6, server end is received after the download request information, and centre coordinate is determined using the location information, utilizes institute
State mobile terminal display screen dimension information and map scale information determines interception area, according to the centre coordinate and interception area
Domain intercepts out area map on the map vector；
Step 7, the area map is sent to mobile terminal；
Step 8, mobile terminal is received after the area map, and the current positioning of the area map and mobile terminal itself is believed
Breath matching；If the match is successful, show has space on the mobile terminal in the area map, the area map
Graph data.
2. the method according to claim 1 in mobile terminal display space graph data, it is characterised in that：This method is also
Comprise the following steps,
Step 9, when the area map that mobile terminal detects its screen display is exaggerated or minimized, then basis is zoomed in or out
Ratio update map scale information, be then back to step 5.
3. the method according to claim 1 in mobile terminal display space graph data, it is characterised in that：In step 9,
When the area map that mobile terminal detects its screen display is moved, then given birth to according to the viewing area center after movement
Into newest location information, using the current location information of the newest positioning information update, step 5 is then back to.
4. the method in mobile terminal display space graph data according to any claim in claims 1 to 3, its
It is characterised by：In step 8, in the first preset duration, mobile terminal receives the area map of more than two, by described two with
On area map mobile terminal is stored in stack, the principle that each area map goes out afterwards according to first entering and current positioning
Information matches, untill the match is successful；If be stored in all area maps of mobile terminal with current location information
It fails to match, then return to step 5.
5. the method according to claim 4 in mobile terminal display space graph data, it is characterised in that：In step 3,
Utilize the tranining database rendering mesh picture generated based on deep learning method.
6. the method according to claim 5 in mobile terminal display space graph data, it is characterised in that：In step 3,
Grid picture to be rendered is carried out to the amplification of Pixel-level first, each pixel is filled using the data in tranining database
Operation, after padding terminates, the size before the amplification of Pixel-level is contracted to by grid picture, so as to complete Rendering operations.
7. the method in mobile terminal display space graph data according to claim 1 or 6, it is characterised in that：Step 2
In, averagely split the satellite photo, generation M × N throws the net trrellis diagram piece, wherein, M, N are integer, and M >=1, N >=1.
8. the method in mobile terminal display space graph data according to claim 1,3 or 6, it is characterised in that：Step
In rapid 5, the location information includes longitude information and dimensional information.
9. a kind of system in mobile terminal display space graph data, it is characterised in that：The system includes server end and shifting
Dynamic terminal；The server end include insmod, split module, rendering module, concatenation module, receiving module, interception module,
Sending module, the mobile terminal includes request module, acquisition module, matching module and display module；
It is described to insmod, for being loaded into and storing the satellite photo with space diagram data；
The segmentation module, the grid picture of more than two is generated for splitting after the satellite photo；
The rendering module, for carrying out Rendering operations to trrellis diagram piece of often throwing the net respectively；
The concatenation module, for that will render after grid picture splice again, generate map vector；
The receiving module, for receiving the download request information that mobile terminal is sent；
The interception module, for determining centre coordinate using the location information, utilizing the mobile terminal display screen size
Information and map scale information determine interception area, are cut according to the centre coordinate and interception area on the map vector
Take out area map；
The sending module, for the area map to be sent to mobile terminal；
The request module, for sending download request information to server end, and the download request information is also comprising movement
Location information, mobile terminal display screen dimension information and the map scale information of terminal itself；
The acquisition module, the area map sent for server end；
The matching module, for the current location information of the area map and mobile terminal itself to be matched；
The display module, for showing the area map on the mobile terminal after the match is successful in matching module.
10. the system according to claim 9 in mobile terminal display space graph data, it is characterised in that：It is described to move
Dynamic terminal also includes detection module, for detecting whether the area map that mobile terminal screen is shown is exaggerated, reduce or mobile.
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| CN109260708A (en) * | 2018-08-24 | 2019-01-25 | 腾讯科技（深圳）有限公司 | Map rendering method, device and computer equipment |
| CN109274719A (en) * | 2018-08-23 | 2019-01-25 | 深圳点猫科技有限公司 | A kind of picture breaker point continuous transmission method and electronic equipment based on educational system |
| CN110457512A (en) * | 2018-05-08 | 2019-11-15 | 腾讯科技（深圳）有限公司 | A kind of map-indication method, device, server, terminal and storage medium |
| CN116132486A (en) * | 2023-04-13 | 2023-05-16 | 山东慧创信息科技有限公司 | Sky-ground integrated data acquisition system based on high precision of Internet of things |
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| CN109260708B (en) * | 2018-08-24 | 2020-01-10 | 腾讯科技（深圳）有限公司 | Map rendering method and device and computer equipment |
| US11852499B2 (en) | 2018-08-24 | 2023-12-26 | Tencent Technology (Shenzhen) Company Limited | Map rendering method and apparatus, computer device, and storage medium |
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