CN101976502B - Method for making compatible heterogeneous geographic information system (GIS) in traffic information publishing system - Google Patents
Method for making compatible heterogeneous geographic information system (GIS) in traffic information publishing system Download PDFInfo
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- CN101976502B CN101976502B CN2010105420097A CN201010542009A CN101976502B CN 101976502 B CN101976502 B CN 101976502B CN 2010105420097 A CN2010105420097 A CN 2010105420097A CN 201010542009 A CN201010542009 A CN 201010542009A CN 101976502 B CN101976502 B CN 101976502B
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Abstract
The invention discloses a method for making compatible a heterogeneous geographic information system (GIS) in a traffic information publishing system, which is called intermediate format technology. In the method, a traffic information publishing center and local navigation receiving equipment are involved; a standard city code table is set in the traffic information publishing center; an information processing module of an application software system comprises a first mapping table corresponding to the standard city code table; the receiving end of a mobile unit comprises a second mapping table the same as the first mapping table; in the transmission of GIS data, the information processing module converts road section codes in the GIS into codes in the first mapping table, and simultaneously transmits the converted codes appended with real-time traffic information to the receiving end of the mobile unit; and the receiving equipment converts the GIS data into the appended attribute data of the codes identified by local navigation equipment according to the second mapping table, and performs corresponding processing. The method solves the problem of how to share the same navigation and traffic information service system by different GIS application systems.
Description
Technical field
The invention belongs to the traffic-information service class in intelligent transportation system (ITS) field, more specifically say so to the method for a kind of compatible isomery GIS (GIS-Geographic Information System) system in the real-time traffic information distribution system of vehicle mobile equipment or hand-held mobile terminal.
Background technology
In navigation and transportation information service systems, an important techniques basis that is relied on is a generalized information system.But in fact existing market can supply commercial generalized information system from a plurality of different GIS platforms, on these platforms, carries out secondary development and can supply commercial generalized information system quantity just more.Difference between them becomes the obstacle of sharing same transport information distribution platform.Such as in transportation information service systems, the issue traffic information is its important contents, at this moment need each bar road and highway section traffic information corresponding with it be organized together, and forms a record.To definition, segmentation and the coding of same road, different generalized information systems just possibly be diverse but in fact.During the information issue, can only come the organizational information source data according to one of them system, equal to have excluded other generalized information system like this, this situation has reflected the problem that application system is compatible to generalized information system.In fact do not possess compatible system and do not possess promotional value.Someone proposed solution, but all was through the transformation to generalized information system and GIS basic platform itself thereof, in the hope of reaching compatible and open purpose.It is many to do the reforming content that relates to like this, and workload is very big.
Summary of the invention
Goal of the invention: technical matters to be solved by this invention is the deficiency to prior art; The method of compatible isomery generalized information system in a kind of traffic information distribution system is provided, thereby solves the technical matters how different GIS platforms and GIS application system share same navigation and transportation information service systems.
Described traffic information distribution system is divided by physical arrangement and is generally included the two large divisions: transport information issue center and mobile receiving device.Mobile receiving device mainly is the navigator with transport information receiving function.If real-time traffic information distribution system is divided by function, no matter be information center or mobile unit, can be divided into two major parts: information issuing application software system and systme supporting platform.Said information issuing application software unit comprises message processing module and data transmission module etc., and systme supporting platform comprises hardware, operating system, generalized information system etc.
In order to solve the problems of the technologies described above; The invention discloses the method for compatible isomery generalized information system in a kind of traffic information distribution system; Comprise information distribution center and the transport information receiving end corresponding with information distribution center; Comprise message processing module in the heart in the transport information issue, said method be provided with one group of city standard coding schedule that is included in information distribution center, with said city standard coding schedule corresponding mapping table one and mapping table two;
Comprise one and said city standard coding schedule corresponding mapping table one in the message processing module at said transport information issue center;
Comprise the mapping table two identical in the facility information processing module of said transport information receiving end with above-mentioned mapping table one;
During the transport information issue; Said information distribution center is carried out information processing; Coding affix Real-time Traffic Information by in the mapping table one sends to the transport information receiving end, but the transport information receiving end is the adeditive attribute data of transport information receiving end recognition coding with said GIS data-switching according to mapping table two; If information center's pre-monitoring city traffic only needs to according to the adeditive attribute data that mapping table one converts the discernible coding of local generalized information system into, and the corresponding output of do display process gets final product.
Among the present invention, preferably, said city standard coding schedule carries out a table forming of coding ID number for the highway section unification that all roads and every road in said city are divided.
Among the present invention, further preferably, said mapping table one and mapping table two be in the city standard coding schedule ID number with the isomery generalized information system in ID number mapping table.
For the foregoing invention content, the present invention is referred to as the intermediate form technology.The intermediate form technology that the present invention proposes is not that it only relates to the data handling procedure on the application to the multinomial purpose incorporation and restructuring of isomery generalized information system inside from the upper strata to the bottom.By contrast, method is simple for the present invention's proposition, can save many system resources and research and development manpower.
Principle of the present invention is on application, to set up an intermediate form---the standard code table of a urban road.The road in city is always unique in some periods.To information issue particular requirement, the roads all to the city carry out unified coding, comprise the coding to all roads, the division in highway section and coding thereof, and the respective attributes content of affix.The present invention is called intermediate form to the coding schedule of this standard.In general, the employed coding of generalized information system of any family all may be variant with the standard code table, address this problem, and only need set up a conversion table corresponding with the standard code table, or claim that mapping table gets final product.Along with the construction in city, when road codes need upgrade, only need renewal standard code table and mapping table to get final product; Usually its update cycle is long more a lot of than the GIS update cycle in the navigational system; And upgrade the also just local adjustment in part city, more prior, it can also accomplish online updating.
Beneficial effect: the present invention only relates to the message processing module in the information issuing application software unit in the traffic information distribution system, and does not relate to the generalized information system in the systme supporting platform.Owing to do not relate to the inside transformation of generalized information system, and the processing of sending and receiving end is all very simple.The present invention is equally applicable to static navigational system transformation is possessed the system of receiving traffic information function, different generalized information systems is had at the same time obtain in the system of navigation feature and traffic-information service function compatible.The present invention is applicable to non-traffic-information service class too and needs the compatible situation of a plurality of generalized information systems of consideration.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done specifying further, above-mentioned and/or otherwise advantage of the present invention will become apparent.
The model that Fig. 1 divides by function for real-time traffic information distribution system.
Fig. 2 is GIS data transmission flow process among the present invention.
The situation that Fig. 3 divides carefullyyer for actual generalized information system than city standard coding schedule.
The situation that Fig. 4 divides slightlyer for the city standard coding schedule than real system.
Fig. 5 is for to compare with the city standard coding schedule, and different situation is divided in the highway section.
Embodiment
Traffic information distribution system of the present invention is divided by physical arrangement and is generally included the two large divisions: transport information issue center and mobile receiving device.Mobile receiving device mainly is the navigator with transport information receiving function.As shown in Figure 1, if real-time traffic information distribution system is divided by function, no matter be information center or mobile unit, can be divided into two major parts: information issuing application software system and systme supporting platform.Said information issuing application software unit comprises message processing module and data transmission module etc., and systme supporting platform comprises hardware, operating system, generalized information system etc.Enforcement of the present invention just is embodied in the information processing 11 in the application software 1.If information issuing system is divided into some by function, the present invention only relates to the message processing module 11 and data transmission module 12 in the information issuing application software module 1, and does not relate to the generalized information system 21 in the systme supporting platform 2.The benefit of said method is the inside transformation that does not relate to generalized information system 21, and the processing of sending and receiving end is all very simple.
In fact, for the generalized information system that is applied in the transportation information service systems, wherein maximum difference is exactly the road codes problem.Each generalized information system coding institute is for the ID that forms number an attribute of this entity record.The product of different company generally is inequality.Want in the compatible a plurality of different generalized information systems of a transport information distribution platform; Just must make message processing module 11 and data transmission module 12 relatively independent with the generalized information system 21 in the systme supporting platform 2; Design a kind of suitable method, thereby make described each different isomery generalized information system to unite.
As shown in Figure 2, during GIS data transmission of the present invention, at the transmitting terminal 31 of information distribution center; With the highway section code conversion of real system is the coding in the mapping table; And affix Real-time Traffic Information content, through transmission system 32, send on the mobile terminal device; Again according to same mapping table, return on the coding that local navigator can discern on the local navigation receiving end 33.For the conversion of mapping relations, be that transmitting terminal or mobile receiving end all are very simple processes, need not take a lot of system resource.
Practical implementation method of the present invention is following:
1, at first designs and sets up a city standard coding schedule.The highway section unification that the city standard coding schedule is promptly divided all roads and every road in this city is encoded and a table forming.Its main points are more to meet the demand of traffic-information service, from balanced vehicle flow, are easier to the shunting of vehicle and induce, also to consider simultaneously common generalized information system the general rule that should follow carry out segmentation, coding;
2, with this city standard coding schedule as intermediate form; All must accomplish data transfer task during transportation information service systems that any one isomery generalized information system will get into this city, accomplish this step only need make up with city standard coding schedule corresponding mapping table and get final product through the coding that converts intermediate form to;
3, the formation method of mapping table.Mapping table be exactly in the standard code table ID number with actual generalized information system in a mapping table of ID number, shown in table one (example):
Table one
| Standard code Table I D number | ?00101 | 00102 | ... | ... |
| The ID of actual GIS number | ?05611 | 05612 | ... | ... |
4, owing to there are differences on the coding, possibly exist several kinds of situation like this: compare with the city standard coding schedule, actual generalized information system is divided carefullyyer, and like Fig. 3, this moment, s1, s2, the s3 of real system had identical record in mapping table.Rx representes a certain road or highway section among the figure, and A, B represent two end points of this road, and Sx representes the segment that the standard code table is divided, and the sign in this highway section of actual generalized information system represented in small letter, and Fig. 4 is identical with Fig. 3 with Fig. 5.
Compare with the city standard coding schedule, actual generalized information system is divided slightlyer, like Fig. 4, this moment real system this highway section corresponding three records in mapping table, handle in the mobile terminal and when showing output, select flow maximum attribute data among S1, S2, the S3.The purpose of the issue of transport information is equilibrium (or evacuation) vehicle flow, also is convenient to the user and selects traffic route in advance, does like this to meet this spirit.
Compare with the city standard coding schedule, it is different that the highway section is divided, have each other staggered, like Fig. 5, the record of the corresponding S1 of s1; The record of the corresponding S2 of s3; The then corresponding S1 of s2, two records of S2 when processing and demonstration are exported in the mobile terminal, are selected flow maximum attribute data among S1, the S2.
Said mapping table is stored in the transmitting terminal of information distribution center and the receiving end of local navigational system respectively.
5, at transmitting terminal 31, be the coding in the mapping table with the highway section code conversion of real system, the Real-time Traffic Information of affix simultaneously content; Through transmission system 32; Send on the mobile terminal device, in 33 embedded systems of mobile terminal, again according to same mapping table; Return on the coding that local navigator can discern, and handle accordingly.
The invention solves different GIS application systems and how to share the problem of same navigation and traffic-information service type systematic; Do not relate to the inside transformation of each generalized information system; And the processing of sending and receiving end is all very simple, and the inventive method is simple and easy to do, can save many human resources.
The invention provides the thinking and the method for the method of compatible isomery generalized information system in a kind of traffic information distribution system; The method and the approach of concrete this technical scheme of realization are a lot, and the above only is a preferred implementation of the present invention, should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.The all available prior art of each ingredient not clear and definite in the present embodiment realizes.
Claims (1)
1. the method for compatible isomery generalized information system in the traffic information distribution system; Traffic information distribution system comprises transport information issue center and issues the corresponding transport information receiving end in center with transport information; Comprise message processing module in the heart in the transport information issue; It is characterized in that, said method be provided with one group of city standard coding schedule that is included in transport information issue center, with said city standard coding schedule corresponding mapping table one and mapping table two;
Comprise one and said city standard coding schedule corresponding mapping table one in the message processing module at said transport information issue center;
Comprise the mapping table two identical in the facility information processing module of said transport information receiving end with above-mentioned mapping table one structure;
During the transport information issue; Information processing is carried out at said transport information issue center; With this city standard coding schedule as intermediate form; Coding through converting intermediate form to is accomplished data transfer task, but the transport information receiving end is the adeditive attribute data of transport information receiving end recognition coding with said GIS data-switching according to mapping table two;
Said city standard coding schedule carries out a table forming of coding ID number for the highway section unification that all roads and every road in said city are divided;
Said mapping table one and mapping table two be in the city standard coding schedule ID number with generalized information system in ID number mapping table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105420097A CN101976502B (en) | 2010-11-12 | 2010-11-12 | Method for making compatible heterogeneous geographic information system (GIS) in traffic information publishing system |
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| CN2010105420097A CN101976502B (en) | 2010-11-12 | 2010-11-12 | Method for making compatible heterogeneous geographic information system (GIS) in traffic information publishing system |
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| CN101976502B true CN101976502B (en) | 2012-07-25 |
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| CN105824844B (en) * | 2015-01-08 | 2019-06-18 | 北京四维图新科技股份有限公司 | A kind of mapping method and device of data classification |
| CN109522386B (en) * | 2018-12-25 | 2020-10-20 | 武汉众智鸿图科技有限公司 | Method and system for generating spatial information service across GIS platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5699056A (en) * | 1994-12-28 | 1997-12-16 | Omron Corporation | Traffic information system |
| US20060055565A1 (en) * | 2004-09-10 | 2006-03-16 | Yukihiro Kawamata | System and method for processing and displaying traffic information in an automotive navigation system |
| CN101178849A (en) * | 2006-11-10 | 2008-05-14 | 株式会社日立制作所 | Traffic information system |
| CN101656019A (en) * | 2009-01-22 | 2010-02-24 | 舒翔龙 | Network real-time traffic information board and using method thereof |
| CN101706994A (en) * | 2009-11-05 | 2010-05-12 | 深圳市戴文科技有限公司 | Method, device, server and system for providing dynamic traffic information |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5699056A (en) * | 1994-12-28 | 1997-12-16 | Omron Corporation | Traffic information system |
| US20060055565A1 (en) * | 2004-09-10 | 2006-03-16 | Yukihiro Kawamata | System and method for processing and displaying traffic information in an automotive navigation system |
| CN101178849A (en) * | 2006-11-10 | 2008-05-14 | 株式会社日立制作所 | Traffic information system |
| CN101656019A (en) * | 2009-01-22 | 2010-02-24 | 舒翔龙 | Network real-time traffic information board and using method thereof |
| CN101706994A (en) * | 2009-11-05 | 2010-05-12 | 深圳市戴文科技有限公司 | Method, device, server and system for providing dynamic traffic information |
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