CN102495893A - Using method of map in wireless road test software and equipment - Google Patents
Using method of map in wireless road test software and equipment Download PDFInfo
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- CN102495893A CN102495893A CN2011104099597A CN201110409959A CN102495893A CN 102495893 A CN102495893 A CN 102495893A CN 2011104099597 A CN2011104099597 A CN 2011104099597A CN 201110409959 A CN201110409959 A CN 201110409959A CN 102495893 A CN102495893 A CN 102495893A
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Abstract
The invention discloses a using method of a map in wireless road test software. The method comprises the following steps: saving map pictures downloaded from the internet; receiving a search request of a user; and outputting a map picture matched with the search request from the map pictures. The invention also provides a realization scheme of equipment. The equipment comprises a first storage unit, a receiving unit and an output unit, wherein the first storage unit is used for storing map pictures which are downloaded from the internet; the receiving unit is used for receiving the search request of the user; and the output unit is used for outputting the map picture matched with the search request from the map pictures. According to the technical scheme of the invention, the stored map pictures can be directly used in the road test software, so that the problem that, in the prior art, the map on the internet can be used only by connecting the internet and depending on the interface provided by a service provider can be solved.
Description
Technical field
The present invention relates to the drive test field, relate in particular to a kind of method and apparatus that in wireless drive test software, uses map.
Background technology
Usually in drive test software, all be to use commercial map to present the track and the map datum of drive test.But commercial map expensive, the scope of wireless drive test spread all over whole China even bigger zone, and the mode of therefore buying commercial map is higher to user's cost.And the map datum that commercial map provides is more coarse, and is detailed inadequately, and three-dimensional map datum also can't be provided.Prior art addresses this problem through using Online Map.With Google Maps or satellite mapping is example, and its map datum that provides is detailed, and comprises the map datum of three peacekeepings two dimension simultaneously, and therefore, prior art solves the problem of using commercial map to bring through Online Maps such as online use Google Maps or satellite mappings.But the above-mentioned map of online use must all connect the internet when each the use, through server map datum is downloaded, and in the time can not connecting the internet, can't use.And in concrete use, the interface that also must rely on service provider such as Google provides uses function corresponding.This problem is present in the Online Maps such as Baidu's map equally.
Summary of the invention
The present invention provides a kind of method and apparatus that in wireless drive test software, uses map; Must connect the internet in the prior art and rely on service provider the problem that the interface that provides uses map picture through preserving the map picture of downloading from the internet and drive test software, use, having solved.
The invention provides a kind of method of in wireless drive test software, using map, said method comprises:
The map picture that preservation is downloaded from the internet; Receive user's query requests;
Export the map picture that is complementary with said query requests in the said map picture.
Preferably, said map picture is preserved with the form of hierarchical block;
The map picture that is complementary with said query requests in the said map picture of said output comprises:
Analyze the respective layer and the corresponding blocks of said query requests;
Export the map picture that is complementary with said respective layer and corresponding blocks in the said map picture.
Preferably, before the map picture that in the said map picture of output, is complementary with said query requests, said method also comprises:
In the offset data that prestores, search with said map picture in the corresponding offset data of map datum;
Proofread and correct said map datum according to said offset data;
The map picture that is complementary with said query requests in the said map picture of said output comprises:
Map picture behind the output calibration.
Preferably, said method also comprises:
Obtain the offset data of map datum from the internet;
Set up the index file of said offset data by the corresponding longitude and latitude of said offset data;
Saidly in the offset data that prestores, search the offset data corresponding and comprise with said map datum:
Longitude and latitude according to said map datum is searched the offset data corresponding with said map datum in said index file.
Preferably, the said index file of setting up said offset data by the corresponding longitude and latitude of said offset data comprises:
The longitude and latitude corresponding by said offset data is saved to corresponding file with said offset data;
The filename of said file is associated with said longitude and latitude, sets up index file;
Said longitude and latitude according to said map datum is searched the offset data corresponding with said map datum and is comprised in said index file:
Search the corresponding file name according to the longitude and latitude of said map datum;
Confirm corresponding file and from said file, obtain the corresponding offset data of said map datum according to said filename.
The present invention also provides a kind of equipment, and said equipment comprises:
The first preservation unit is used to preserve the map picture of downloading from the internet;
Receiving element is used to receive user's query requests;
Output unit is used for exporting the map picture that said map picture and said query requests are complementary.
Preferably, the said first preservation unit also is used for preserving said map picture with the form of hierarchical block;
Said output unit comprises:
Analytic unit is used to analyze the respective layer and the corresponding blocks of said query requests;
The output subelement is used for exporting the map picture that said map picture and said respective layer and corresponding blocks are complementary.
Preferably, said equipment also comprises:
First acquiring unit, be used for the offset data that prestores obtain with said map picture in the corresponding offset data of map datum;
Correcting unit is used for proofreading and correct according to said offset data the side-play amount of said map datum;
Said output unit also is used for the map picture behind the output calibration.
Preferably, said equipment also comprises:
Second acquisition unit is used for obtaining from the internet offset data of said map datum;
First indexing units is used for setting up by the corresponding longitude and latitude of said offset data the index file of said offset data;
Said first acquiring unit also is used for obtaining the offset data corresponding with said map datum according to the longitude and latitude of said map datum at said index file.
Preferably, said first indexing units comprises:
The second preservation unit is used for by the corresponding longitude and latitude of said offset data said offset data being saved to corresponding file;
Second indexing units is used for the filename of said file is associated with said longitude and latitude, sets up index file;
Said first acquiring unit comprises:
Search the unit, be used for searching the corresponding file name according to the longitude and latitude of said map datum;
The 3rd acquiring unit is used for confirming corresponding file and obtaining the corresponding offset data of said map datum from said file according to said filename.
Compared with prior art, the present invention has following beneficial effect:
Pass through among the present invention to download and the preservation map picture from the internet; Can be in drive test software directly use the map picture after preserving, solved the problem that must connect the map on the interface ability internet usage that internet and dependence service provider provide in the prior art.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the inventive method embodiment 1 process flow diagram;
Fig. 2 is the storage format of map picture among the inventive method embodiment 2;
Fig. 3 is the inventive method embodiment 3 process flow diagrams;
Fig. 4 is the inventive method embodiment 4 process flow diagrams;
Fig. 5 is the structural drawing of index file among the inventive method embodiment 5;
Fig. 6 is present device embodiment 6 structural drawing.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtained belongs to the scope that the present invention protects.
Referring to Fig. 1, the embodiment of the invention 1 provides a kind of method of in wireless drive test software, using map, and said method comprises the steps:
The map picture that S1, preservation are downloaded from the internet.
S2, reception user's query requests.
The map picture that is complementary with said query requests in S3, the said map picture of output.Specifically in use, can like the query requests of Haidian District, Beijing City, search map picture and the output that is complementary through the longitude and latitude scope of searching Haiti, Beijing district according to the query requests of user's input.
At present, provide the service provider of Online Map that how man is arranged on the internet, like Google, Baidu, search dog etc.Map is kept on the server of service provider with the form of map picture.The map that these service providers provide comprises that not only electronic chart also comprises satellite mapping.For the cartographic information that guarantees in drive test software, to use is detailed, when downloading map picture from the internet, selectively the diagram data amount is big, the Online Map that information is detailed.Like Google Maps, Baidu's map and search dog map etc. commonly used now, not only map datum is detailed, and the information of two and three dimensions also is provided simultaneously, in use, can reflect real geography information more accurately.Certainly, the user's Online Map that can select different service providers provide according to the needs of oneself.And the user can just can only download the map picture in area, Shanghai according to the needs download part map picture of oneself such as the user who hangs up one's hat in Shanghai.
Online Map following is loaded with multiple mode, can realize through operation different downloading software.The embodiment of the invention 2 provides a kind of concrete method for down loading, is example to download Google Maps, may further comprise the steps:
JAVA runtime (Java Runtime Library) is installed;
Download TrekBuddy_Atlas_Creator 1.6.1 (TB map building device);
Start.cmd in the operation Trebuddy Atlas Creator;
Selection needs the zone of download; Concrete can select through mouse.
In the map in upper left corner source (map resource) the inside, the selection source is a Google Maps;
In Atlas Content (map bibliography) the inside, click Add selection (increase options), select Bigplanet SQLite form at Atlas Setting (map setting);
Click following Crea teatlas (establishment atlas) button of Save profiles (preserving configuration), begin to download map;
After download finished, atlases (atlas) lining under the Trebuddy Atlas Creator catalogue had a BigPlanet_maps.sqlitedb, and it is stored in designated directory.
Just the picture of online Google Maps has been downloaded to the place of appointment through above-mentioned downloading process, in the drive test software like mobile phone.Just can use the picture after the download to carry out drive test afterwards.Certainly, above-mentioned downloading process is a concrete application example among the present invention, does not constitute the restriction to downloading process of the present invention.
Easy to use for the user, present Online Map all is to store map picture with the mode of hierarchical block.Layering is promptly carried out vacuate to map datum and is handled.Its essence is that the content displayed detailed degree is to vertical division of map datum as required.When the user on little screen, show one bigger when regional, can not see too greatly because of data volume.At this moment only need thicker data just can reach user's requirement.Demand according to the user can be carried out multilevel hierarchy.Principle to the data vacuate mainly is the significance level of Data Elements, also need consider the needed data volume of each level in addition.Map datum such as to whole Beijing carries out layering; The map datum that can extract in all map datums relevant each city forms ground floor, extracts the map datum formation second layer of relevant each Grand Duchy and colleges and universities in each city and each city in all map datums.In concrete application; We can be provided with the number of levels that needs; Handling what form through such layering is a similar pyramidal data sequence, and each in the sequence grade has all comprised the data in whole space object scopes, but on data volume, changes step by step.
The data volume that map datum after the layering comprises is still very big, if directly download, can not generate map fast so.Therefore needing further map datum to be carried out piecemeal handles.Piecemeal is actual to be according to space distribution map datum laterally to be divided.Concrete, can be that the longitude and latitude scope is as the criteria for classifying with certain geographical span.The size of longitude and latitude scope is decided according to data carried by data amount in the said longitude and latitude scope.The longitude and latitude range size is that the level with the institute piecemeal is relevant, and different levels is used different spans.
For searching the corresponding map picture fast, need store map picture by certain form.In a specific embodiment of the present invention, can store according to mode shown in Figure 2.Wherein field name x is the X axle numbering of map, and field name y is the Y axle numbering of map, and field name z is the amplification rank of map, and field name image is the image data form of map, is that PNG form, Google's satellite mapping are the JPG form like Google's electronic chart.Wherein field name x and field name y are associated with the longitude and latitude scope, in order to identify the longitude and latitude scope of said map picture.Such as the x=105 that is numbered of a map picture, y=48, z=10, image=PNG, the amplification rank that this figure is described is 10 grades, geographical span is x=105, the longitude and latitude scope that numbering identified of y=48, picture format is the PNG form.
When the map image data was preserved according to the form of above-mentioned hierarchical block, in embodiments of the invention 3, referring to Fig. 3, step S3 specifically comprised:
The respective layer and the corresponding blocks of S31, the said query requests of analysis.
Suppose the x=105 that is numbered of photo current, y=48, z=10, when the user has clicked large buttons, and when having clicked photo current one time, what the user hoped to inquire about is the picture after photo current amplifies one-level.The respective layer that is query requests is z=9, and corresponding blocks is the picture that has comprised photo current longitude and latitude scope in the picture among the z=9.Like x=210 in the picture of z=9, y=96; X=210, y=97; X=211, y=96; X=211, longitude and latitude scope and photo current x=105 that four pictures of y=97 are comprised, the longitude and latitude scope of y=48 is identical, and the corresponding blocks of this query requests is above-mentioned four pictures just so.
The map picture that is complementary with said respective layer and corresponding blocks in S32, the said map picture of output.
Concrete, just can from database, obtain above-mentioned four pictures and make up, generate a big picture and export.Because the data volume that the picture of z=9 comprises is detailed, therefore, the picture of output can show more detailed geography information.
Identical reason when receiving the user to the zoom-out request of photo current, can be analyzed the respective layer and the corresponding blocks of zoom-out request, from the picture of respective layer, searches the identical picture of longitude and latitude scope and exports.
Because receive some laws and regulations restrictions of country, all electronic chart service providers need add skew on map datum.Promptly use a migration algorithm that the longitude and latitude of map datum is done a plus-minus side-play amount, thus inconsistent with actual map.
Therefore, directly in drive test software, use the electronic chart of downloading to have certain error.For presenting drive test route and geography information more accurately, referring to Fig. 4, in embodiments of the invention 4, before the map picture that in the said map picture of output, is complementary with said query requests, said method also comprises:
S41, in the offset data that prestores, search with said map picture in the corresponding offset data of map datum;
S42, proofread and correct said map datum according to said offset data.
Step S3 is specially the map picture behind the output calibration.
The data volume of offset data is big especially, and directly searching corresponding data in the offset data after download needs the long time, for accelerating seek rate, can set up the index file of offset data, concrete, can set up through following process:
Obtain the offset data of map datum from the internet.When obtaining offset data, can download the part offset data according to user's demand, as whenever getting offset data one time at a distance from 0.01 longitude and latitude.Certainly, higher if desired precision can whenever be downloaded at a distance from littler longitude and latitude even with whole offset data, also can whenever get side-play amount one time at a distance from bigger longitude and latitude.The present invention does not do concrete restriction.
Set up the index file of said offset data by the corresponding longitude and latitude of said offset data.
Step S41 is specially according to the longitude and latitude of said map datum and in said index file, searches the offset data corresponding with said map datum.
In a preferred embodiment of the invention, can said offset data be saved to corresponding file, the filename of said file is associated with said longitude and latitude, set up index file by the corresponding longitude and latitude of said offset data.When searching offset data, just can search the corresponding file name according to the longitude and latitude of said map datum, confirm corresponding file according to said filename again and from said file, obtain the corresponding offset data of said map datum.
In the embodiment of the invention 5; Nearly 1,000 ten thousand offset data whenever to get the nationwide that side-play amount obtained at a distance from 0.01 longitude and latitude are example; Nearly to divide equally according to longitude and latitude order from small to large be 900 parts to 1,000 ten thousand offset data; 900 piece of data are deposited in 900 files, 10000 offset data are arranged in each file.The longitude and latitude that 900 files are corresponding and the file name association of said file are got up, and deposit index file in, supply 900 index.The structure of one of them index is as shown in Figure 5, and its minimum longitude is 7366, and maximum longitude is 8366, and minimum latitude is 3932, and maximum latitude is 4932, and file is called offsetdata1.dat.If the corresponding longitude of the offset data that need obtain is 7389, latitude is 3940, so just retrieves corresponding file offsetdata1.dat in the index file now, then in offsetdata1.dat, retrieves to get final product.Such mode is searched number of times and is 900+10000=10900 time at most, has improved effectiveness of retrieval to a great extent.
Referring to Fig. 6, the embodiment of the invention 6 also provides a kind of equipment, and said equipment comprises:
The first preservation unit 11 is used to preserve the map picture of downloading from the internet;
Receiving element 12 is used to receive user's query requests;
Output unit 13 is used for exporting the map picture that said map picture and said query requests are complementary.
In a preferred embodiment of the invention, the said first preservation unit 11 also is used for preserving said map picture with the form of hierarchical block.
Said output unit 13 comprises:
Analytic unit is used to analyze the respective layer and the corresponding blocks of said query requests;
The output subelement is used for exporting the map picture that said map picture and said respective layer and corresponding blocks are complementary.
Because receive some laws and regulations restrictions of country, all electronic chart service providers need add skew on map datum.Promptly use a migration algorithm that the longitude and latitude of map datum is done a plus-minus side-play amount, thus inconsistent with actual map.
Therefore, directly in drive test software, use the electronic chart of downloading to have certain error.For presenting drive test route and geography information more accurately, said equipment also comprises:
First acquiring unit, be used for the offset data that prestores obtain with said map picture in the corresponding offset data of map datum;
Correcting unit is used for proofreading and correct according to said offset data the side-play amount of said map datum;
Said output unit 13 also is used for the map picture behind the output calibration.
The data volume of offset data is big especially, and directly searching corresponding data in the offset data after download needs the long time, for accelerating seek rate; Can set up the index file of offset data; For this reason, in a preferred embodiment of the invention, said equipment also comprises:
Second acquisition unit is used for obtaining from the internet offset data of said map datum;
First indexing units is used for setting up by the corresponding longitude and latitude of said offset data the index file of said offset data;
Said first acquiring unit also is used for obtaining the offset data corresponding with said map datum according to the longitude and latitude of said map datum at said index file.
Concrete, in another preferred embodiment of the present invention, said first indexing units comprises:
The second preservation unit is used for by the corresponding longitude and latitude of said offset data said offset data being saved to corresponding file;
Second indexing units is used for the filename of said file is associated with said longitude and latitude, sets up index file;
Said first acquiring unit comprises:
Search the unit, be used for searching the corresponding file name according to the longitude and latitude of said map datum;
The 3rd acquiring unit is used for confirming corresponding file and obtaining the corresponding offset data of said map datum from said file according to said filename.
It should be noted that equipment of the present invention is corresponding with method of the present invention, therefore environment division no longer detailed that relevant portion gets final product referring to method embodiment.
More than a kind of method and apparatus of map that in wireless drive test software, uses provided by the present invention is introduced; Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, part all can change on embodiment and range of application.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. method of in wireless drive test software, using map is characterized in that said method comprises:
The map picture that preservation is downloaded from the internet;
Receive user's query requests;
Export the map picture that is complementary with said query requests in the said map picture.
2. according to the described method of claim, it is characterized in that said map picture is preserved with the form of hierarchical block;
The map picture that is complementary with said query requests in the said map picture of said output comprises:
Analyze the respective layer and the corresponding blocks of said query requests;
Export the map picture that is complementary with said respective layer and corresponding blocks in the said map picture.
3. method according to claim 1 is characterized in that, before the map picture that in the said map picture of output, is complementary with said query requests, said method also comprises:
In the offset data that prestores, search with said map picture in the corresponding offset data of map datum;
Proofread and correct said map datum according to said offset data;
The map picture that is complementary with said query requests in the said map picture of said output comprises:
Map picture behind the output calibration.
4. method according to claim 3 is characterized in that, said method also comprises:
Obtain the offset data of map datum from the internet;
Set up the index file of said offset data by the corresponding longitude and latitude of said offset data;
Saidly in the offset data that prestores, search the offset data corresponding and comprise with said map datum:
Longitude and latitude according to said map datum is searched the offset data corresponding with said map datum in said index file.
5. method according to claim 4 is characterized in that, the index file that said longitude and latitude by said offset data correspondence is set up said offset data comprises:
The longitude and latitude corresponding by said offset data is saved to corresponding file with said offset data;
The filename of said file is associated with said longitude and latitude, sets up index file;
Said longitude and latitude according to said map datum is searched the offset data corresponding with said map datum and is comprised in said index file:
Search the corresponding file name according to the longitude and latitude of said map datum;
Confirm corresponding file and from said file, obtain the corresponding offset data of said map datum according to said filename.
6. an equipment is characterized in that, said equipment comprises:
The first preservation unit is used to preserve the map picture of downloading from the internet;
Receiving element is used to receive user's query requests;
Output unit is used for exporting the map picture that said map picture and said query requests are complementary.
7. equipment according to claim 6 is characterized in that, the said first preservation unit also is used for preserving said map picture with the form of hierarchical block;
Said output unit comprises:
Analytic unit is used to analyze the respective layer and the corresponding blocks of said query requests;
The output subelement is used for exporting the map picture that said map picture and said respective layer and corresponding blocks are complementary.
8. equipment according to claim 6 is characterized in that, said equipment also comprises:
First acquiring unit, be used for the offset data that prestores obtain with said map picture in the corresponding offset data of map datum;
Correcting unit is used for proofreading and correct according to said offset data the side-play amount of said map datum;
Said output unit also is used for the map picture behind the output calibration.
9. equipment according to claim 8 is characterized in that, said equipment also comprises:
Second acquisition unit is used for obtaining from the internet offset data of said map datum;
First indexing units is used for setting up by the corresponding longitude and latitude of said offset data the index file of said offset data;
Said first acquiring unit also is used for obtaining the offset data corresponding with said map datum according to the longitude and latitude of said map datum at said index file.
10. equipment according to claim 9 is characterized in that, said first indexing units comprises:
The second preservation unit is used for by the corresponding longitude and latitude of said offset data said offset data being saved to corresponding file;
Second indexing units is used for the filename of said file is associated with said longitude and latitude, sets up index file;
Said first acquiring unit comprises:
Search the unit, be used for searching the corresponding file name according to the longitude and latitude of said map datum;
The 3rd acquiring unit is used for confirming corresponding file and obtaining the corresponding offset data of said map datum from said file according to said filename.
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| CN101877013A (en) * | 2005-12-08 | 2010-11-03 | 德卡尔塔公司 | High precision internet local search |
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Application publication date: 20120613 |