CN102967303B - Rapid geographical position search positioning system and method - Google Patents
Rapid geographical position search positioning system and method Download PDFInfo
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- CN102967303B CN102967303B CN201210250549.7A CN201210250549A CN102967303B CN 102967303 B CN102967303 B CN 102967303B CN 201210250549 A CN201210250549 A CN 201210250549A CN 102967303 B CN102967303 B CN 102967303B
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Abstract
The present invention relates to a kind of rapid geographical position search positioning system and method, and the transmission of position location coding, the systems approach of decoding.The zoom location that this method adopts, can encode to any area to be targeted, set up the coding schedule of complete set.Zoom location coding is than traditional location presentation mode, and code length can be less, and each of coding can represent separately some regional extents, the memory being therefore more convenient to user with share, be also more convenient to input and the process of computing machine simultaneously.Native system contains the parts such as receiving trap, processor, memory module, mapping module, output unit.
Description
Technical field
The present invention relates to a kind of rapid geographical position search positioning system and method, be more particularly use zoom localization method to carry out position encoded, reach the object of fast finding location.
Background technology
At present, location based service provider, when representing positional information, uses satellite location data, usually as GPS positioning system.These positioning systems use latitude and longitude coordinates, the coordinate data of similar 120.3456E, 30.1234N for the expression of position.This location presentation Measures compare is complicated; be not easy to memory; its character length is also long simultaneously; be not easy to storage and the transmission of computing machine; to the more important thing is between each different infosystem due to different coded systems usually can be adopted to encode to locator data, these data cannot be propagated freely between different information systems.
Summary of the invention
Purpose of design: avoid the weak point in background technology, design is a kind of has easy, quick, accurate rapid geographical position search positioning system and method when searching geographic position.
Design proposal: in order to realize above-mentioned purpose of design.The zoom location coding that the application adopts, its coding method is as follows:
A, for region a to be positioned arbitrarily, choose rectangle view-finder D (x, y) that a length of side is respectively x, y, adjust the distance L0 of this view-finder to area to be targeted a, make the four corner just can observing region a through this view-finder.Now the rectangular area of this view-finder is designated as A0, its actual length of side is designated as x0, y0 respectively, and real area is designated as S0=x0*y0;
B, adjust the distance of this view-finder to region a to L1, make the subregion a1 that can observe a through this view-finder, and meet the following conditions: the actual length of side of region a1 is designated as x1, y1 respectively, then satisfy condition: x0=x1*t1, y0=y1*t1, remember the real area S1 of this time domain a1, then S0=S1*t1*t1.According to more than, then region A0 on average can be divided into t1*t1 the size rectangular area identical with a1, the application is with A1, A2 ... An1, n1=t1*t1 represent each rectangular area respectively, have namely carried out first encoding to this region a undetermined;
C, again adjust the distance of this view-finder to region a to L2, make the subregion a2 that can observe a1 through this view-finder, and meet the following conditions: the actual length of side of region a2 is designated as x2, y2 respectively, then satisfy condition: x1=x2*t2, y1=y2*t2, remember the real area S2 of this time domain a2, then S1=S2*t2*t2.According to more than, then region a1 on average can be divided into t2*t2 the size rectangular area identical with a2, the application is with B1, B2 ... Bn2, n2=t2*t2 represent each rectangular area respectively, have namely carried out first encoding to this region a1 undetermined;
D, repeat the Zooming method described in above b, step c, repeated encoding can be carried out to region undetermined, until the distance of final view-finder and region a is L ', the real area of the region a ' now observed and view-finder D (x, y) size is identical, namely completes whole cataloged procedure.So, the position of region a wherein any point can be expressed by the various level rectangle frame residing for it, and shape is as the coding of A1B2C6D8.Above-described encoding precision, the Minimum Area that namely this coding can be expressed is D (x, y)=x*y, and code length N then can calculate: x0=x*t1*t2* ... * tN.
Location-based service provider is when serving to user-provided location, and the positional information of user represents with zoom location coding.This position encoded expression for the positional information in the service providing process of position, transmission and any type of process.
Position system described in the application, contains the parts such as receiving trap, processor, memory module, mapping module, output unit; Wherein:
Receiving trap is used for receiving the positional information of external transmission, and transfers to processor for process;
The effect of processor carries out the process such as code parsing and conversion to the positional information received;
Memory module is in order to memory encoding rule list, coding corresponding data table etc.;
Mapping module is the map that native system uses, in order to by the position display of coded representation out;
Output module is used for exporting parsing or the coding after changing to display module or other system.
The position service system of the application comprises:
A, by computer equipment, for the rule of arbitrary region according to zoom localization method, selected code length and precision, set up the position encoded table T0 of complete set.Position service system of the present invention, namely uses this zoom location coding to express the positional information of anywhere;
The map system that b, position service system of the present invention use, it can be existing any map system, the position data of coding described in step a with the map system used is compared, and set up a corresponding data table T1 together, then being shown by this T1, can get up in the position expressed by the coding of zoom localization method and the position one_to_one corresponding in this map system by system.Thus the transmission of realization coding, parsing and display;
C, position service system of the present invention, by the satellite positioning information of receiving trap receiving target user or equipment, by this information transmission to processor, this locating information resolved by processor, and be stored in memory module by this tables of data of inquiry coding corresponding table T1(), can be the position data meeting above map system by the location resolution expressed by this coding, thus by this position display in described map system.
The coding rule of native system also can be passed between other position service systems different arbitrarily and various softwares and by clog-free understanding, its principle of work is as follows:
For other arbitrary position service system or map system, native system can provide open data-interface.After this data-interface access native system, namely can obtain the above-described coding schedule T0 of parsing and corresponding data table T1 that native system provides;
Other arbitrary position service system or map systems, after receiving the coding of the present invention's use, by the interface of native system, resolved to the positional information of its own system data layout, and be presented on map or do other data processings.
Other arbitrary position service system or map systems, when transmission or sharing positional information, equally by the interface that native system provides, through the parsing of coding schedule T0 and corresponding data table T1, be converted into the zoom coding meeting native system, and then transfer in goal systems.Above, native system can be realized and be coded in parsing between optional position service system or map system and conversion.
Technical scheme 1: a kind of rapid geographical position search positioning system, at least comprises processor, receiving trap, memory module, mapping module, output unit and function software; Function software is built in processor, receiving trap is responsible for receiving data and receiving trap will receive data and to be connect by signal output part the signal input part of processor, processor is responsible for analyzing, calculating position data and coded data, and form bidirectional data exchange with memory module, mapping module, memory module be used for memory encoding rule and corresponding data table LUT, mapping module is used for position data to be presented at correspondingly on drawing system, and processor signal exports the signal input part of termination output unit and output unit is used for data to export native system.
Technical scheme 2: a kind of rapid geographical position search localization method, position service system uses this zoom location coding to express the positional information of anywhere; A, by computer equipment, for the rule of arbitrary region according to zoom localization method, selected code length and precision, set up the position encoded table T0 of complete set and be stored in memory module; The map system that b, position service system use, it can be existing any map system, the position data of coding described in step a with the map system used is compared, and set up a corresponding data table T1 and be stored in memory module together, then shown by this T1, can get up in position expressed by the coding of zoom localization method and the position one_to_one corresponding in this map system by system, thus the transmission of realization coding, parsing and display; C, position service system pass through the satellite positioning information of receiving trap receiving target user or equipment, by this information transmission to processor, this locating information resolved by processor, and by inquiry coding corresponding table T1, can be the position data meeting above map system by the location resolution expressed by this coding, thus by this position display in described map system.
Technical scheme 3: a kind of rapid geographical position search location coding method, comprise computing machine and function software, location-based service provider is when serving to user-provided location, the positional information of user adopts zoom location coding method for expressing: a, for region a to be positioned arbitrarily, choose a length of side and be respectively x, the rectangle view-finder D (x of y, y), adjust the distance L0 of this view-finder to area to be targeted a, make the four corner just can observing region a through this view-finder, now the rectangular area of this view-finder is designated as A0, its actual length of side is designated as x0 respectively, y0, real area is designated as S0=x0*y0, b, adjust the distance of this view-finder to region a to L1, make the subregion a1 that can observe a through this view-finder, and meet the following conditions: the actual length of side of region a1 is designated as x1, y1 respectively, then satisfy condition: x0=x1*t1, y0=y1*t1, remember the real area S1 of this time domain a1, then S0=S1*t1*t1, according to more than, then region A0 on average can be divided into t1*t1 the size rectangular area identical with a1, with A1, A2 ... An1, n1=t1*t1 represent each rectangular area respectively, have namely carried out first encoding to this region a undetermined, c, again adjust the distance of this view-finder to region a to L2, make the subregion a2 that can observe a1 through this view-finder, and meet the following conditions: the actual length of side of region a2 is designated as x2, y2 respectively, then satisfy condition: x1=x2*t2, y1=y2*t2, remember the real area S2 of this time domain a2, then S1=S2*t2*t2, according to more than, then region a1 on average can be divided into t2*t2 the size rectangular area identical with a2, with B1, B2 ... Bn2, n2=t2*t2 represent each rectangular area respectively, have namely carried out first encoding to this region a1 undetermined, d, repeat the Zooming method described in above b, step c, repeated encoding can be carried out to region undetermined, until the distance of final view-finder and region a is L ', the real area of the region a ' now observed and view-finder D (x, y) size is identical, namely completes whole cataloged procedure, so, the position of region a wherein any point can be expressed by the various level rectangle frame residing for it, shape is as the coding of A1B2C6D8, above-described encoding precision, namely the Minimum Area that this coding can be expressed is D (x, y)=x*y, code length N then can calculate: x0=x*t1*t2* ... * tN.
The present invention is compared with background technology, one is coded system used in the present invention, code length is very brief, 8 only can be used to encode and namely express the location point of precision within 10m, and this remembers expression for user and computing machine transmits, process is all very convenient; Two is that each character of coding of this coded system independently can both represent a regional extent, namely each coding has certain implication, this makes user when remembering this coding, is more prone to than string numbers such as latitude and longitude coordinates, and the implication of coding is also more prone to understand; Three is that the character that coded system of the present invention uses is very free, even can use Chinese character to encode, breach the restriction of numeral and letter, greatly enriched the quantity of coded character set, thus can reduce code length to greatest extent.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention.
Fig. 2 is 7 coding schematic diagram that the 8 times of zoom centering border inner regions used in a kind of embodiment of the present invention are carried out.
Fig. 3 is 6, the region within Chinese territory the adding color marking coding schematic diagram used in a kind of embodiment of the present invention.
Fig. 4 is the 5 place Chinese character coding schematic diagram that the 20 times of zoom centering border inner regions used in a kind of embodiment of the present invention are carried out.
Fig. 5 is that the system positional data of a kind of embodiment of the present invention carries out codimg logic schematic flow sheet.
Fig. 6 is the system of a kind of embodiment of the present invention is map location mathematical logic schematic flow sheet by code parsing.
Fig. 7 is the external system data-interface schematic diagram that a kind of embodiment of the present invention provides.
Fig. 8 is the logical schematic that self-position data are converted to zoom coding by external system that a kind of embodiment of the present invention provides.
The logical schematic of Fig. 9 to be external system that a kind of embodiment of the present invention provides by the zoom code parsing of acquisition be self-position data.
Embodiment
A kind of embodiment provided by the invention, the zoom coding rule that it adopts can comprise following three kinds, respectively:
The first, 7 codings adopting 8 times of zoom centering border inner regions to carry out.
According to related data, Chinese border scope is about 5500KM from north to southern ultimate range, is about 5200KM to the east of western ultimate range.So the square view-finder that the application uses the length of side to be 5500KM, each zoom magnification is 8 times.Known by calculating, the precision of 7 codings can reach 5500KM/8^7 and be about 2.62m.This precision compares GPS precision, can reach the request for utilization of location-based service completely.
According to above calculating, the application need use 8*8 totally 64 characters encode.For the ease of computer input and user's memory, the application selects 64 conventional characters to express, and namely 10 arabic numeral add 52 English upper and lower case letters, add in addition+and-.
So the application is according to A point position in Fig. 2, and its first coding should be b, by that analogy, can this point complete coding brGA394.And each character of this coding all independently can represent a regional extent.
According to the method described above, can to all location points within Chinese territory with 7 bit length coded representations out.
The second, 6, the region within Chinese territory coding that color represents is added
Encode according to above-mentioned centering border inner region equally, color is joined coded character and concentrates by the application, red, orange, yellow, green, blue, blue, purple, black 8 kinds of colors and 10 arabic numeral, 22 small English characters are adopted (to remove o and l easily obscured with numeral 0 and 1, and the g that pronunciation is easily obscured and j) hybrid representation, as red a, i.e. a, blue 3 that is 3 etc.Then now character character inside the set sum becomes 32*8=256, and zoom magnification is now 16 times.
The same employing length of side is the initial view-finder of square of 5500KM, and the precision being gained coding after 16, six zooms according to zoom magnification should be 5500KM/16^6=0.33m.According to above zoom coding rule, the point shown in Fig. 3 can be expressed as a04f8r.
Three, 5 place Chinese character codings that carry out of 20 times of zoom centering border inner regions
Equally according to above-mentioned centering border inner region coding, the application adopts 20 times of zooms, and character set is conventional Chinese character 20*20=400, as you, I, he, one, two, three etc.
The same employing length of side is the initial view-finder of square of 5500KM, and the precision being gained coding after 20,5 zooms according to zoom magnification should be 5500KM/20^5=1.72m.According to above coding rule, the some A shown in Fig. 4 can be expressed as: I loves Tian An-men.
A kind of embodiment provided by the invention, its position service system adopts any one coding rule above-described, according to this coding rule, completes a set of coding schedule and the corresponding data table between coding and latitude and longitude coordinates (LUT, i.e. LookupTable).Its system architecture as shown in Figure 1, includes processor 101, receiving trap 102, memory module 103, mapping module 104 and output unit 105.
Wherein, processor 101 is responsible for analyzing, calculating position data and coded data, and controls its output;
Receiving trap 102 is responsible for receiving data, and transfers to processor;
Memory module 103 be used for memory encoding rule and corresponding data table, i.e. LUT(LookupTable);
Mapping module 104 is used for position data to be presented at correspondingly on drawing system;
Output unit 105 is used for data to export native system.
The method of position data being carried out transform coding according to zoom coding that native system provides, details are as follows:
System is by receiving trap 102 receiving position data, and these data can for obtain by GPS module, also can be that other system passes over.Processor 101 receives position data, the corresponding data table LUT in inquiry memory module 103, through calculating, this position data is converted to zoom coding.Simultaneously by mapping module 104, this zoom coding can be mapped with map system, thus this position can be shown on map.Finally, the result obtained is sent by output unit 105 by processor 101.
Above flow process in detail as shown in Figure 5.
The method being encoded to longitude and latitude positional information by resolving zoom that native system provides, details are as follows:
System is by receiving trap 102 received code data, and processor 101 receives this coded data, and the corresponding data table LUT in inquiry memory module 103, through calculating, is converted to longitude and latitude positional information by this coded data.Simultaneously by mapping module 104, this positional information can be mapped with map system, thus this position can be shown on map.Finally, the result obtained is sent by output unit 105 by processor 101.
Above flow process in detail as shown in Figure 6.
A kind of embodiment provided by the invention, its system also provides data-interface, makes external system can by this data-interface, and complete parsing and the conversion of zoom coding, its structural representation is as Fig. 7.
External system completes by above-mentioned data-interface the method that positional information is converted to zoom coding, and details are as follows:
External system A, sends to data-interface B by the longitude and latitude positional information of its data form.Data-interface B accepts this positional information, transmits it to native system A.Native system A is inner according to the flow process shown in Fig. 5, this positional information is converted to zoom coding, and is back to data-interface B.This result is back to external system A by data-interface B again.The zoom that now external system A obtains after can obtaining the positional information conversion of its request is encoded.
Above flow process in detail as shown in Figure 8.
External system is completed by above-mentioned data-interface and resolves the method that zoom is encoded to position data, and details are as follows:
External system A, sends to data-interface B by the zoom coded data of acquisition.Data-interface B accepts this coded data, transmits it to native system A.Native system A is inner according to the flow process shown in Fig. 6, this coded data is converted to longitude and latitude positional information, and is back to data-interface B.This result is back to external system A by data-interface B again.Now external system A can obtain the longitude and latitude positional information representated by zoom coding of its request.
Above flow process in detail as shown in Figure 8.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various change and change.Within all the spirit and principles in the present invention, any amendment done, equivalent replacing improve, and all should be included within right of the present invention.
Claims (6)
1. a rapid geographical position search location coding method, comprises computing machine and function software, it is characterized in that: location-based service provider is when serving to user-provided location, and the positional information of user adopts zoom location coding method for expressing:
A, for region a to be positioned arbitrarily, choose the rectangle view-finder D (x that a length of side is respectively x, y, y), adjust the distance L0 of this view-finder to area to be targeted a, make the four corner just can observing region a through this view-finder, now the rectangular area of this view-finder is designated as A0, its actual length of side is designated as x0, y0 respectively, and real area is designated as S0=x0*y0;
B, adjust the distance of this view-finder to region a to L1, make the subregion a1 that can observe a through this view-finder, and meet the following conditions: the actual length of side of region a1 is designated as x1, y1 respectively, then satisfy condition: x0=x1*t1, y0=y1*t1, remember the real area S1 of this time domain a1, then S0=S1*t1*t1; According to more than, then region A0 on average can be divided into t1*t1 the size rectangular area identical with a1, with A1, A2 ... An1, n1=t1*t1 represent each rectangular area respectively, have namely carried out first encoding to this region a undetermined;
C, again adjust the distance of this view-finder to region a to L2, make the subregion a2 that can observe a1 through this view-finder, and meet the following conditions: the actual length of side of region a2 is designated as x2, y2 respectively, then satisfy condition: x1=x2*t2, y1=y2*t2, remember the real area S2 of this time domain a2, then S1=S2*t2*t2; According to more than, then region a1 on average can be divided into t2*t2 the size rectangular area identical with a2, with B1, B2 ... Bn2, n2=t2*t2 represent each rectangular area respectively, have namely carried out first encoding to this region a1 undetermined;
D, repeat the Zooming method described in above b, step c, repeated encoding can be carried out to region undetermined, until the distance of final view-finder and region a is L ', the real area of the region a ' now observed and view-finder D (x, y) size is identical, namely completes whole cataloged procedure; So, the position of region a wherein any point is expressed by the various level rectangle frame residing for it, shape is as the coding of A1B2C6D8, above-described encoding precision, namely the Minimum Area that this coding can be expressed is D (x, y)=x*y, code length N then can calculate: x0=x*t1*t2* ... * tN.
2. rapid geographical position search location coding method according to claim 1, it is characterized in that: the code length of described zoom localization method and precision can according to actual conditions unrestricted choice, and the character used of encoding also does not limit, use the character of upper and lower case letter, numeral, color and any language system and word, or the mix and match of these characters above.
3. rapid geographical position search location coding method according to claim 1, it is characterized in that: the coding that described zoom localization method completes for selected code length N and precision, also use length to be less than the short code of N to express some special position, only this short code need be carried out associating with the actual coding of this position.
4. rapid geographical position search location coding method according to claim 1, is characterized in that: location-based service uses this zoom location coding to express the positional information of anywhere;
A, by computer equipment, for the rule of arbitrary region according to zoom localization method, selected code length and precision, set up the position encoded table T0 of complete set and be stored in memory module;
The map system that b, position service system use, for existing any map system, the position data of coding described in step a with the map system used is compared, and set up a corresponding data table T1 and be stored in memory module, then shown by this T1, can get up in position expressed by the coding of zoom localization method and the position one_to_one corresponding in this map system by system, thus the transmission of realization coding, parsing and display;
C, position service system pass through the satellite positioning information of receiving trap receiving target user or equipment, by this information transmission to processor, this locating information resolved by processor, and by inquiry coding corresponding table T1, can be the position data meeting above map system by the location resolution expressed by this coding, thus by this position display in described map system.
5. rapid geographical position search location coding method according to claim 4, is characterized in that:
A, for other arbitrary position service system or map system, native system can provide open data-interface, after this data-interface access native system, namely can obtain the above-described coding schedule T0 of parsing and corresponding data table T1 that native system provides;
B, other arbitrary position service system or map systems, after receiving the coding of native system use, by the interface of native system, resolved to the positional information of its own system data layout, and be presented on map or do other data processings;
C, other arbitrary position service system or map systems, when transmission or sharing positional information, equally by the interface that native system provides, through the parsing of coding schedule T0 and corresponding data table T1, be converted into the zoom coding meeting native system, and then transfer in goal systems;
D, more than, native system can be realized and be coded in parsing between optional position service system or map system and conversion.
6. rapid geographical position search location coding method according to claim 4, is characterized in that: described function software is then a set of control system comprising the above logic, and any computerese and platform can be used to write.
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| CN104063398B (en) * | 2013-03-22 | 2018-04-10 | 北京掌行通信息技术有限公司 | Recommendation and query method for public transport transfer line |
| CN103685475A (en) * | 2013-11-22 | 2014-03-26 | 广东泛在无线射频识别公共技术支持有限公司 | Data positioning method and data positioning system for sharing master data of products across mechanisms |
| CN104008129B (en) * | 2014-04-25 | 2017-03-15 | 小米科技有限责任公司 | Position information processing method, device and terminal |
| CN104598649A (en) * | 2015-02-26 | 2015-05-06 | 清华大学 | Geographic position coding method |
| CN104731883B (en) * | 2015-03-11 | 2017-11-17 | 北京农业信息技术研究中心 | Method for displaying network map and system |
| CN107103597B (en) * | 2016-02-19 | 2020-04-21 | 青岛海信电器股份有限公司 | Method and device for determining pixel point position |
| CN106095997A (en) * | 2016-06-21 | 2016-11-09 | 大连天空科技发展有限公司 | The input method of administrative district address information and device |
| CN112082565B (en) * | 2020-07-30 | 2022-12-09 | 西安交通大学 | Method, device and storage medium for location and navigation without support |
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