CN106484693A - Map-indication method, picture block storage method and picture display terminal - Google Patents
Map-indication method, picture block storage method and picture display terminal Download PDFInfo
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- CN106484693A CN106484693A CN201510526206.2A CN201510526206A CN106484693A CN 106484693 A CN106484693 A CN 106484693A CN 201510526206 A CN201510526206 A CN 201510526206A CN 106484693 A CN106484693 A CN 106484693A
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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
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
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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
Abstract
The invention provides map-indication method, picture block storage method and picture display terminal.The present invention carries out piecemeal process to the target map needing application, larger target map is divided into fritter to download respectively, the picture block downloaded is carried out local cache according to picture/mb-type, geographic range, scaling simultaneously, when needing display target map, search for first in configuration file, during picture block if necessary Already in caches, just no longer download to target map server application, only download the picture block not having in caching to store, download and carry out tiled display after finishing.The present invention can effectively reduce the number of times to target map server application download pictures, effectively improve the speed of display target map, solve the problems, such as often map to be done with the amplification of repetition, the operation such as reduces, translate and causing display speed slow, stuck due to user simultaneously.
Description
Technical field
The invention belongs to wireless communication technology field, it is more particularly to map-indication method, picture
Block storage method and picture display terminal.
Background technology
In wireless network planning, the map being usually used is the electronic chart of Plannet form.
The map of Plannet form mainly comprises Clutter terrestrial object information, Height elevation information, Vector
Vector Message and Text text message, the information providing is less, combines merely Plannet form ground
When the information that figure provides is to analyze wireless network planning result figure, not intuitively.Google Maps
Google Map can provide the letter such as very abundant satellite image, administrative division, topography and geomorphology
Breath, if Google Maps are loaded in wireless network planning, can make network planning personnel
The more intuitively and effectively covering of analysis wireless network and capacity situation.Simultaneously it is not necessary to arrive scene
Prospecting environment, can save the cost of wireless network planning.
Directly tissue comprises map style, center picture x coordinate, center picture to prior art
The URL of y-coordinate, zoom level and picture size information, to Google Map server application
Download map picture.But when applying for a secondary larger picture, response speed can be very slow, easily
Cause interface stuck phenomenon.In addition, user often map is done repetition amplification, reduce,
The operation such as translation, this is accomplished by, repeatedly to Google Maps server application and download pictures, making to show
Show that speed is slower, and easily stuck, have a strong impact on impact Consumer's Experience.
Content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is how to reduce to target map server download pictures
Number of times, improve display speed.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of map-indication method, described
Method comprises the following steps：
The maximum geographic range of planned land use figure loading and current contracting are obtained on current visible window
Put ratio；
The target map that will need to load according to described maximum geographic range and described scaling
It is decomposed into the picture block of multiple predefined sizes, and for picture block each described, according to it
Geographical position determines a segment call number for it；
Maximum geographic range according to current visible window and scaling determination are to be inquired about
Buffer zone, and inquire about in described buffer zone to be inquired about whether stored all
The corresponding picture block of described segment call number, do not have in described buffer zone to be inquired about
When storing the corresponding picture block of all described segment call numbers, according to 1 or many of not storage
The individual corresponding picture indices number of picture block and maximum geographic range determine picture block position, in conjunction with figure
The described predefined size of tile and described scaling download one or more picture block corresponding；
And the good corresponding segment call number of one or more described picture block labellings for downloading, it is right to be stored in
Answer buffer zone；
Store all described segment call numbers corresponding in described buffer zone to be inquired about
During picture block, corresponding for all of described segment call number picture block is spliced, and is imported
Described map window is shown.
Preferably, methods described also includes obtaining the ground of the corresponding picture of described picture block call number
The step of graph type,
And described download one or more picture block corresponding be using described picture block position,
Under the map style of the described predefined size, scaling and described picture block of picture block is carried out
Carry.
Preferably, downloading one or more picture block corresponding is to be entered using URL
Row download, wherein said URL include described picture block position, picture block pre-
Sizing, map style and scaling, and described picture block position includes in picture block
Heart X-coordinate, picture block center Y-coordinate.
Preferably, described planned land use figure is planning Plannet form map；Described target ground
Figure is Google Maps.
Preferably, described buffer zone to be inquired about stores all described segment indexes
During number corresponding picture block, methods described utilizes bicubic interpolation method by all of described segment rope
The corresponding picture block of quotation marks is spliced.
A kind of picture block storage method, the method comprising the steps of：
In the buffer arrange configuration file, described configuration file memory utilization with map importing after when
Front visual windows maximum geographic range, the described maximum corresponding map style of geographic range,
The scaling of picture block of download, the segment call number of the described picture block downloaded, figure
The naming rule of file during tile caching；
For the picture block needing storage, obtain its scaling, map style, and write institute
State configuration file；Determine that segment call number and described picture block belong to according to the position of picture block
Maximum geographic range, and write described configuration file；By described picture block according to described configuration
In file, the rule of the described file designation of storage is named, and it is described to store it
In the corresponding buffer zone of maximum geographic range.
Preferably, described configuration file is additionally operable to store：Described maximum under each scaling
Geographic range corresponding picture total size, is used for checking whether and has downloaded current zoom ratio
Under all picture block.
A kind of picture display terminal, described terminal includes attribute acquiring unit, resolving cell, looks into
Ask memory element and spliced display unit；
Described attribute acquiring unit is used for obtaining the maximum of the planned land use figure loading in visual windows
Geographic range and scaling；
Described resolving cell is used for need according to described maximum geographic range and described scaling
Target map to be loaded is decomposed into the picture block of multiple predefined sizes, and for each institute
State picture block, a segment call number is determined for it according to its geographical position；
Described inquiry memory element is used for the maximum geographic range according to current visible window and contracting
Put ratio-dependent buffer zone to be inquired about, and look in described buffer zone to be inquired about
Ask and whether stored the corresponding picture block of all of described segment call number, wanted described
When not storing the corresponding picture block of all described segment call numbers in the buffer zone of inquiry, root
True according to the not corresponding picture indices number of one or more picture block of storage and maximum geographic range
Determine picture block position, the described predefined size in conjunction with picture block and the download of described scaling are corresponding
One or more picture block；And one or more the described picture block labellings for downloading correspond to well
Segment call number, be stored in corresponding buffer zone；
Described spliced display unit is used for storing all described segment indexes in described buffer zone
During number corresponding picture block, corresponding for all of described segment call number picture block is spliced,
And import described map window and shown.
Preferably, described attribute acquiring unit is additionally operable to obtain map style,
Described inquiry memory element be additionally operable to using described picture block position, picture block described pre-
Sizing, scaling and map style carry out picture block download.
Preferably, described inquiry memory element carries out picture block download using URL,
Wherein said URL includes described picture block position, the size of picture block, map
Type and scaling, and described picture block position includes picture block center X-coordinate, figure
Tile center Y-coordinate.
(3) beneficial effect
The invention provides map-indication method, picture block storage method and picture display terminal,
The present invention carries out piecemeal process to the target map (such as Google Maps) needing application, will relatively
Big map is divided into fritter to download respectively, can be prevented effectively from interface stuck phenomenon.Originally simultaneously
The map block downloaded is carried out by invention according to picture/mb-type, body of a map or chart, scaling
Local cache writing in configuration file is recorded, when needing display target map, first
Configuration file is searched for, during picture block if necessary Already in caches, just no longer to
Target map server application is downloaded, and only downloads the picture block not having in caching to store, has downloaded
Carry out tiled display after finishing.The present invention can effectively reduce to target map server application download
The number of times of picture, effectively improves the speed of display target map, solves due to user's warp simultaneously
Often map can be done with the amplification of repetition, the operation such as reduce, translate and cause that display speed is slow, card
Dead problem.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing of required use in embodiment or description of the prior art will be briefly described, show and
Easily insight, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the flow chart of the map-indication method of a preferred embodiment of the present invention；
Fig. 2 is the flow chart of the map-indication method of another preferred embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in further detail.Following examples
For the present invention is described, but can not be used for limiting the scope of the present invention.
The invention discloses a kind of map-indication method, as shown in figure 1, methods described include with
Lower step：
The planning loading on S11, acquisition map window is maximum geographical with Plannet form map
Scope and current zoom ratio；
Preferably, map map window loading is Plannet map, but is not limited to
Plannet map, can be other all be used for the map of wireless network planning；Above-mentioned map window
Mouth is that the planning software for wireless network planning is used for show map in map display terminal
Window；
S12, according to described maximum geographic range and current zoom ratio will need load Google ground
Figure is decomposed into the picture block of multiple predefined sizes, and for picture block each described, according to
Its geographical position determines a segment call number for it；
Picture block is unique according to the segment call number that its geographical position determines；
This embodiment is that Google Maps is loaded into map window, but be not restricted to that must be paddy
Song map, can be other all the map of detailed geography information can be provided；
S13, the geographic range according to described current visible window and scaling determine will be looked into
The buffer zone ask, and inquire about in described buffer zone to be inquired about and whether stored
The corresponding picture block of all of described segment call number, is not storing all described segments indexes
During number corresponding picture block, according to one or more picture block corresponding picture rope of not storage
Quotation marks and maximum geographic range determine picture block position, the size in conjunction with picture block and described scaling
Ratio downloads one or more picture block corresponding；And one or more the described pictures for downloading
The good corresponding segment call number of block labelling, is stored in corresponding buffer zone；
S14, store the corresponding picture block of all described segment call numbers in above-mentioned buffer zone
When, corresponding for all of described segment call number picture block is spliced, and is imported describedly
Figure window is shown.
Further, determine described in above-mentioned steps S13 that buffer zone to be inquired about is basis
The geographic range of described current visible window, scaling determine buffer zone to be inquired about；
And described download one or more picture block corresponding are using described picture block position, picture
The type of the Google Maps that the size of block, scaling and needs are downloaded is downloaded,
The type of Google Maps includes satellite image map, administrative map, topography and geomorphology figure and synthesis
Figure.
Further, downloading one or more picture block corresponding in above-mentioned steps S13 is utilization
Uniform resource position mark URL is downloaded, and wherein said URL includes described figure
Tile position, the size of picture block, map style and scaling, and described picture block
Position includes picture block center X-coordinate, picture block center Y-coordinate.
Further, in above-mentioned steps S14, correspond to storing all described segment call numbers
Picture block when, using bicubic interpolation method, described picture block is spliced.
The invention also discloses a kind of picture block storage method, the method comprising the steps of：
S21, in the buffer setting configuration file, described configuration file stores described Plannet lattice
Formula map imports map window maximum geographic range, the ground in described geographic range after planning software
Under graph type, the scaling of the described picture block downloaded, described scaling describedly
The figure window maximum corresponding picture size of geographic range, the segment of the described picture block downloaded
The naming rule of file when call number, the described picture block downloaded cache；
Configuration file is used for storing the information of picture block in above-mentioned geographic range, a configuration file
Corresponding to the map loading on map window in a geographic range；1 can be arranged in caching
Individual or multiple CACHE DIRECTORYs, a CACHE DIRECTORY corresponds to a planning region, a caching mesh
Record includes a configuration file；
S22, the picture block for needs storage, obtain its scaling, map style, according to
The position of picture block determines the geographic range that segment call number and described picture block belong to；By institute
State picture block to store corresponding to described geography according to the file designation rule described in configuration file
In the buffer zone of scope.
Described configuration file is additionally operable to store under each described scaling described map window
The big corresponding picture size of geographic range, is used for checking whether and has downloaded current zoom ratio
Under all picture block.
In addition, the naming rule being also stored with to picture block to be stored in configuration file, bear
Blame to name for picture block and foundation is provided, described naming rule is：" map style "+" pantograph ratio
Example "+" _ "+" segment call number "+" extension name ".Download new Google every time
All picture block is carried out preserving and more new configuration file after picture.
Using said method, the Map tile of download is stored in pre-configured Google ground
In drawings list, by arranging file name come the Map tile of labelling download, under inciting somebody to action simultaneously
The map picture block message carrying is stored in the configuration file of xml form, the tissue lattice of configuration file
Formula is corresponding with the naming rule of file name, when searching the Map tile of download, only
Need to process the configuration file of xml form, it is to avoid file makes a look up one by one, Ke Yishi
Existing fast search, thus effectively improve picture display speed.
The invention also discloses a kind of picture display terminal, described terminal include attribute acquiring unit,
Resolving cell, inquiry memory element and spliced display unit；
Described attribute acquiring unit is used for obtaining the planning Plannet form loading on map window
The geographic range of map and scaling；
Described resolving cell is used for being decomposed, according to described geographic range, the Google Maps needing to load
For the picture block of multiple predefined sizes, and for picture block each described, geographical according to it
Position determines a segment call number for it；
Described inquiry memory element is used for the geographic range according to current visible window and pantograph ratio
Example determines buffer zone to be inquired about, and inquiry is in described buffer zone to be inquired about
No stored the corresponding picture block of all of described segment call number, all not storing
During the corresponding picture block of described segment call number, according to one or more picture block of not storage
Corresponding picture indices number and maximum geographic range determine picture block position, big in conjunction with picture block
Little and described scaling downloads one or more picture block corresponding；And for download 1 or
The good corresponding segment call number of multiple described picture block labelling, is stored in corresponding buffer zone；
Described spliced display unit is used for storing all described segment indexes in described buffer zone
During number corresponding picture block, corresponding for all of described segment call number picture block is spliced,
And import described map window and shown.
Further, described attribute acquiring unit is additionally operable to obtain map style, and described inquiry is deposited
Storage unit is additionally operable to geographic range according to described current visible window and scaling determines and wanted
Inquiry buffer zone, and described inquiry memory element be additionally operable to using described picture block position,
The size of picture block, scaling and map style carry out picture block download.
Further, described inquiry memory element is carried out under picture block using URL
Carry, wherein said URL include described picture block position, the size of picture block,
Map style and scaling, and described picture block position include picture block center X-coordinate,
Picture block center Y-coordinate.Google Maps have multiple map view, and each map picture is equal
Uniquely determined by independent URL address.After subscriber computer networking, can by tissue inclusively
Graph type, center picture x coordinate, center picture y-coordinate, zoom level and picture size letter
The URL of breath, downloads map picture to Google Map server application.
In a word, the present invention carries out piecemeal process to the Google Maps needing application, by larger ground
Figure is divided into fritter to download respectively, simultaneously the present invention by the ground downloaded picture block according to figure
Sheet type, body of a map or chart, scaling carry out local cache writing in configuration file and are remembered
Record, when needing to show Google Maps, searches for, figure if necessary first in configuration file
During tile Already in caches, just no longer download to Google Maps server application, only download
There is no the picture block storing in caching, download and carry out tiled display after finishing.The present invention can have
Effect reduces the number of times to Google Maps server application download pictures, effectively improves display Google ground
The speed of figure.
Fig. 2 is the flow chart of the map-indication method of another preferred embodiment of the present invention, bag
Include following steps：
1st, import Plannet map in the planning software for wireless network planning.It is specially：
Call SuperMap hypergraph com component interface, create GIS gis database,
The i.e. GIS data source of file type, each data source is made up of a pair of sdb/sdd file.Wherein,
Sdb file storage information, sdd file attribute information storage.In the GIS data creating
Create data set in source, read Plannet form map file, by data pump interface, will
Plannet form map file imports map dataset, then data set is loaded into map denotation
On control (map display terminal), represent in map window.
2nd, configure Google Maps CACHE DIRECTORY.One Google Maps catalogue is used for both depositing
Determine the Google Maps in region, the geographic range of this given area loads Google ground first
When figure, according to the geography of the Plannet map of display in the map window region of planning software
Scope is arranged automatically, and can not change after setting.For different planning regions, Ke Yipei
Put different Google Maps catalogues, such as Beijing and two, Wuhan planning region are it should configure two
Individual different Google Maps catalogue.
3rd, triggering loads Google Maps.Menu triggering mode can load Google Maps,
Also can trigger when being amplified, reducing, translate map operation and reload Google Maps.
Below step can be executed after loading Google Maps triggering.
4th, maximum geographic range and the scaling of current map window are obtained.Map window is
Big geographic range is obtained by the Bounds interface of above-mentioned data set；Scaling can pass through map
The geographic range of window, picture height, picture width and earth radius calculate.Pass through
The interface that Google Maps provide obtains the maximum zoom ratio of current location, when application is checked
When scaling is more than maximum zoom ratio, the scaling currently checked is reset to maximum contracting
Put ratio.
5th, piecemeal is carried out according to maximum geographic range and current zoom ratio.The number of Google Map
Use pyramid model method according to method of partition：Level is up to 0 grade, i.e. pyramidal top,
The resolution of image and terrain data is minimum；Level is lower, and data resolution is higher.GoogleMap
It is that the picture for 256*256 is seamless spliced by resolution sizes, in initial grade,
The whole earth is only incident upon on the picture of a 256*256.Often amplify the every pictures of one-level all can
Split into four, scale is then reduced to original half.The last increase with zoom level,
The top-down growth in geometrical progression of tile, forms a pyramid shape.The present invention is according to
Big geographic range and scaling carry out block size during piecemeal and are set to each picture block
256*256 pixel, former because if parameter is too little, easily exceed joining of daily free application number of times
Volume, parameter is too big, leads to refresh slowly, interface is easily stuck, and picture block is to refresh during 256*256
Speed ratio is very fast.
After determining piecemeal, corresponding segment call number is determined according to the geographical position of picture block.
6th, the configuration file under search CACHE DIRECTORY, searches whether to have cached whole picture block.
Configuration file format is as follows：
Wherein, MBR record Plannet form map imports initial map window after planning software
Geographical range information, satellite, roadmap, terrain, hybrid represent map style, point
Wei not satellite image, administrative division, topography and geomorphology and complex chart.Wherein administrative division and landform
Geomorphologic map, due to reasons such as national policies, has certain skew.Can remember under every kind of map style
Record scaling, the total picture size being currently needed for download, the picture block downloaded and figure
The naming rule of file during tile caching.During picture block storage, naming rule is " map style "
+ " level of zoom "+" _ "+" index number of segment "+" extension name ".Under every time
After carrying new Google picture, by newly downloaded Google pictorial information write coverage section
Point, in representing that this picture block Already in caches.When initial, coverage node is sky, such as
The existing whole picture block of fruit are (according to whether include all of segment call number determine：If including
All segment call numbers in above-mentioned geographic range, then existing whole picture block in caching), will
Coverage node write -1.
If 7 caching middle part component tile disappearances, inquiry disappearance in specified scaling
Picture block, networking block-by-block is downloaded.After computer networking, can by tissue comprise map style,
Center picture x coordinate, the URL of center picture y-coordinate, zoom level and picture size information,
Download map picture to Google Map server application.
8th, downloaded ground picture block every time, all carried out preserving and more new configuration file by ground picture block.
If existing whole picture block, splice picture in 9 cachings.Using bicubic interpolation method pair
Various places picture block is spliced, and forms full picture and is stored.
10th, the complete Google image picture obtaining in step 9 is imported planning software.Wound
(each data set corresponds to a kind of map style to build Google Maps data source and data set
Picture), by data pump interface, Google image picture is imported map dataset, then
Google image data collection is loaded on map denotation control, completes Google image on rule
Draw representing in software map window.
Incidental interface card when above-described embodiment is prevented effectively from application big Google Maps picture
Dead phenomenon, decreases the number of times to Google Map server application download pictures simultaneously, can
Improve the speed of display Google Maps.
Embodiment of above is merely to illustrate the present invention, rather than limitation of the present invention.Although ginseng
According to embodiment, the present invention is described in detail, it will be understood by those within the art that,
Various combinations, modification or equivalent are carried out to technical scheme, without departure from this
The spirit and scope of inventive technique scheme, all should cover in the middle of scope of the presently claimed invention.
Claims (10)
1. a kind of map-indication method is it is characterised in that the method comprising the steps of：
The maximum geographic range of planned land use figure loading and current contracting are obtained on current visible window
Put ratio；
The target map that will need to load according to described maximum geographic range and described scaling
It is decomposed into the picture block of multiple predefined sizes, and for picture block each described, according to it
Geographical position determines a segment call number for it；
Maximum geographic range according to current visible window and scaling determination are to be inquired about
Buffer zone, and inquire about in described buffer zone to be inquired about whether stored all
The corresponding picture block of described segment call number, do not have in described buffer zone to be inquired about
When storing the corresponding picture block of all described segment call numbers, according to 1 or many of not storage
The individual corresponding picture indices number of picture block and maximum geographic range determine picture block position, in conjunction with figure
The described predefined size of tile and described scaling download one or more picture block corresponding；
And the good corresponding segment call number of one or more described picture block labellings for downloading, it is right to be stored in
Answer buffer zone；
Store all described segment call numbers corresponding in described buffer zone to be inquired about
During picture block, corresponding for all of described segment call number picture block is spliced, and is imported
Described map window is shown.
2. method according to claim 1 is it is characterised in that methods described also includes obtaining
The step taking the map style of the corresponding picture of described picture block call number,
And described download one or more picture block corresponding be using described picture block position,
Under the map style of the described predefined size, scaling and described picture block of picture block is carried out
Carry.
3. method according to claim 2 it is characterised in that download corresponding 1 or
Multiple picture block are to be downloaded using URL, wherein said unified resource positioning
Symbol includes described picture block position, the predefined size of picture block, map style and scaling,
And described picture block position includes picture block center X-coordinate, picture block center Y-coordinate.
4. method according to claim 1 is it is characterised in that described planned land use figure is
Planning Plannet form map；Described target map is Google Maps.
5. method according to claim 1 is it is characterised in that described to be inquired about
When storing the corresponding picture block of all described segment call numbers in buffer zone, methods described profit
With bicubic interpolation method, corresponding for all of described segment call number picture block is spliced.
6. a kind of picture block storage method is it is characterised in that the method comprising the steps of：
In the buffer arrange configuration file, described configuration file memory utilization with map importing after when
Front visual windows maximum geographic range, the described maximum corresponding map style of geographic range,
The scaling of picture block of download, the segment call number of the described picture block downloaded, figure
The naming rule of file during tile caching；
For the picture block needing storage, obtain its scaling, map style, and write institute
State configuration file；Determine that segment call number and described picture block belong to according to the position of picture block
Maximum geographic range, and write described configuration file；By described picture block according to described configuration
In file, the rule of the described file designation of storage is named, and it is described to store it
In the corresponding buffer zone of maximum geographic range.
7. method according to claim 6 is it is characterised in that described configuration file is also used
In storage：Under each scaling, described maximum geographic range corresponding picture total size, uses
In checking whether all picture block downloaded under current zoom ratio.
8. a kind of picture display terminal it is characterised in that described terminal include attribute acquiring unit,
Resolving cell, inquiry memory element and spliced display unit；
Described attribute acquiring unit is used for obtaining the maximum of the planned land use figure loading in visual windows
Geographic range and scaling；
Described resolving cell is used for need according to described maximum geographic range and described scaling
Target map to be loaded is decomposed into the picture block of multiple predefined sizes, and for each institute
State picture block, a segment call number is determined for it according to its geographical position；
Described inquiry memory element is used for the maximum geographic range according to current visible window and contracting
Put ratio-dependent buffer zone to be inquired about, and look in described buffer zone to be inquired about
Ask and whether stored the corresponding picture block of all of described segment call number, wanted described
When not storing the corresponding picture block of all described segment call numbers in the buffer zone of inquiry, root
True according to the not corresponding picture indices number of one or more picture block of storage and maximum geographic range
Determine picture block position, the described predefined size in conjunction with picture block and the download of described scaling are corresponding
One or more picture block；And one or more the described picture block labellings for downloading correspond to well
Segment call number, be stored in corresponding buffer zone；
Described spliced display unit is used for storing all described segment indexes in described buffer zone
During number corresponding picture block, corresponding for all of described segment call number picture block is spliced,
And import described map window and shown.
9. picture display terminal according to claim 8 is it is characterised in that described attribute
Acquiring unit is additionally operable to obtain map style,
Described inquiry memory element be additionally operable to using described picture block position, picture block described pre-
Sizing, scaling and map style carry out picture block download.
10. picture display terminal according to claim 9 is it is characterised in that described look into
Ask memory element and carry out picture block download, wherein said unified resource using URL
Finger URL includes described picture block position, the size of picture block, map style and scaling,
And described picture block position includes picture block center X-coordinate, picture block center Y-coordinate.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485855A (en) * | 2017-09-01 | 2017-12-19 | 北京乐动卓越科技有限公司 | A kind of storage method and storage device of super large map scenario resources |
| CN108734656A (en) * | 2017-04-18 | 2018-11-02 | 腾讯科技（深圳）有限公司 | Scaling method and device |
| CN109302451A (en) * | 2018-09-03 | 2019-02-01 | 视联动力信息技术股份有限公司 | A kind of methods of exhibiting and system of picture file |
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| CN109670125A (en) * | 2018-11-02 | 2019-04-23 | 北京达佳互联信息技术有限公司 | Data processing method, data processing equipment, electronic equipment and storage medium |
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| CN108734656A (en) * | 2017-04-18 | 2018-11-02 | 腾讯科技（深圳）有限公司 | Scaling method and device |
| CN107485855A (en) * | 2017-09-01 | 2017-12-19 | 北京乐动卓越科技有限公司 | A kind of storage method and storage device of super large map scenario resources |
| CN107485855B (en) * | 2017-09-01 | 2021-02-26 | 北京乐动卓越科技有限公司 | Method and device for storing scene resources of super-large map |
| CN109302451A (en) * | 2018-09-03 | 2019-02-01 | 视联动力信息技术股份有限公司 | A kind of methods of exhibiting and system of picture file |
| CN109670125A (en) * | 2018-11-02 | 2019-04-23 | 北京达佳互联信息技术有限公司 | Data processing method, data processing equipment, electronic equipment and storage medium |
| CN111190894A (en) * | 2018-11-15 | 2020-05-22 | 阿里巴巴集团控股有限公司 | Map display method and device, related storage medium and client |
| CN109582417A (en) * | 2018-11-21 | 2019-04-05 | 网宿科技股份有限公司 | A kind of method for showing interface, client and picture servers |
| CN109918464A (en) * | 2019-02-26 | 2019-06-21 | 东软睿驰汽车技术（沈阳）有限公司 | The storage method and device and call method and device of a kind of cloud map |
| CN110209750A (en) * | 2019-05-08 | 2019-09-06 | 杭州迦智科技有限公司 | Maps processing method, apparatus, storage medium and processor |
| CN110675939A (en) * | 2019-09-24 | 2020-01-10 | 深圳安泰创新科技股份有限公司 | Image processing method, image processing apparatus, and computer-readable storage medium |
| CN110968798A (en) * | 2019-10-25 | 2020-04-07 | 贝壳技术有限公司 | House source display method and device, readable storage medium and processor |
| CN110968798B (en) * | 2019-10-25 | 2023-11-24 | 贝壳找房(北京)科技有限公司 | House source display method and device, readable storage medium and processor |
| CN111209504A (en) * | 2020-01-06 | 2020-05-29 | 北京百度网讯科技有限公司 | Method and apparatus for accessing map data |
| CN111209504B (en) * | 2020-01-06 | 2023-09-22 | 北京百度网讯科技有限公司 | Method and apparatus for accessing map data |
| CN113112571A (en) * | 2020-01-13 | 2021-07-13 | 北京京邦达贸易有限公司 | Method and device for generating thermal unit picture by server and storage medium |
| CN112149018A (en) * | 2020-09-15 | 2020-12-29 | 中国电子科技集团公司第二十八研究所 | Large-scale image preloading method based on locality principle |
| CN112732955A (en) * | 2021-03-31 | 2021-04-30 | 国网浙江省电力有限公司 | Financial certificate storage and recording method in standard cost accounting |
| CN116362973A (en) * | 2023-05-24 | 2023-06-30 | 武汉智筑完美家居科技有限公司 | Pattern splicing method, device and storage medium |
| CN116362973B (en) * | 2023-05-24 | 2023-09-19 | 武汉智筑完美家居科技有限公司 | Pattern splicing method, device and storage medium |
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