CN106600956A - Traffic information issuing method and device - Google Patents

Traffic information issuing method and device Download PDF

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Publication number
CN106600956A
CN106600956A CN201510662698.8A CN201510662698A CN106600956A CN 106600956 A CN106600956 A CN 106600956A CN 201510662698 A CN201510662698 A CN 201510662698A CN 106600956 A CN106600956 A CN 106600956A
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China
Prior art keywords
section
target
road
mark
attribute information
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CN106600956B (en
Inventor
杨承继
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Alibaba China Co Ltd
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Autonavi Software Co Ltd
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention relates to a traffic information issuing method and device. The method comprises that traffic information, obtained on the basis of road network data of a reference electronic map and including traffic state information, of a reference road is obtained; attribute information of the reference road is obtained from the road network data of the reference electronic map; the attribute information of the reference road matches attribute information of roads of road network data of a preset target electronic map, the road which matches the reference road is obtained, the matched road serves as a target road, and an identification of the target road is obtained; a differential traffic message including the identification of the target road and the traffic state information is generated; and the differential traffic message is sent to an application end which uses the road network data of the target electronic map. The method of the invention can be used to save hardware resources, and reduce hardware resource consumption caused by issuing of the traffic information.

Description

A kind of traffic information distribution method and device
Technical field
The present invention relates to transport information technical field, more particularly to a kind of traffic information distribution method and device.
Background technology
Transport information includes the traffic state information in section, and traffic state information is used to represent the current of road State, such as unimpeded, congestion, closing etc..User knows traffic state information when going on a journey, and can help use Family understands road state reasonable arrangement traffic path, therefore, go off daily of the transport information in people In play important role.
Existing transport information is to be processed by traffic information processing system and be distributed to terminal.Existing friendship Logical information processing system generally includes three links：At the reception of Floating Car position data, Floating Car position data Reason, Traffic information demonstration, wherein, Floating Car position data processing links are based on a certain version electronic chart Road net data is processed to Floating Car position data, to obtain the version electronic chart road net data Zhong Ge road The traffic state information of section.
In actual applications, as business demand is different, the electronic map data disposed on different business is more There is difference in the new cycle, it is frequent that some update, and it is slow that some update, therefore, contemporaneity is present not With the situation of the electronic chart road net data that different editions are disposed in service.Due to the electronic chart of different editions The processing technology of road net data has differences, therefore, can there is electronic chart of the same section in different editions The different problems of expression in road net data.Due to existing floating car data processing links can only obtain it is a certain The traffic state information in section in version electronic chart road net data, that is to say, that Traffic information demonstration link The transport information in section in this edition electronic chart road net data can only be issued, it is impossible to issue other versions electronically The transport information in section in figure road net data.In view of same section different editions electronic chart road network number There is a problem of that expression is different according to middle, in order to the business for deployment different editions electronic chart road net data Issuing traffic status information, prior art are to dispose the business difference portion of different editions electronic chart road net data A set of traffic information processing system is affixed one's name to, such as, has two business, the electronic chart road of the two service deployments The version of network data is different, and prior art needs correspondence two sets of traffic information processing systems of configuration.As can be seen here, Prior art is solved to be present into for the scheme of deployment different editions electronic chart road net data distributing traffic information The problems such as this height, hardware resource waste.
The content of the invention
It is an object of the invention to provide a kind of traffic information distribution method and device, with overcome in correlation technique with The problems such as overcoming the issue high cost of transport information in prior art, hardware resource waste.
On the one hand, the present invention provides a kind of traffic information distribution method, including：
Obtain the transport information based on the reference section obtained with reference to electronic chart road net data, the traffic letter Breath includes traffic state information；
From the reference electronic chart road net data, the attribute information in the reference section is obtained；
By the section in the attribute information in the reference section and default target electronic map road net data Attribute information is matched, and obtains the section matched with the reference section, using the section of matching as target Section, and obtain the mark of the target road section；
Generate the mark and the difference traffic message of the traffic state information for carrying the target road section；
The difference traffic message is sent to into the application end using the target electronic map road net data.
On the other hand, the present invention provides a kind of traffic information issuing device, and described device includes：
Traffic information acquisition module, for obtaining based on the reference section obtained with reference to electronic chart road net data Transport information, the transport information includes traffic state information；
Attribute information acquisition module, for, from the reference electronic chart road net data, obtaining the reference The attribute information in section；
First matching module, for by the attribute information in the reference section and default target electronic map road The attribute information in the section in network data is matched, and obtains the section matched with the reference section, general The section matched somebody with somebody is used as target road section, and obtains the mark of the target road section；
Difference information generation module, for generating mark and the traffic behavior letter for carrying the target road section The difference traffic message of breath；
Release module, for the difference traffic message is sent to using the target electronic map road network number According to application end.
The present invention at least has the advantages that：In the embodiment of the present invention, electronics is referred to by obtaining to be based on The transport information in the reference section that map road net data is obtained, and based on reference to electronic chart road net data and mesh The mapping relations of mark electronic chart road net data, determine and reference arm in target electronic map road net data The section of section matching, using the section of matching as target road section, and obtains the mark of the target road section；It Afterwards, generate the difference traffic message of the mark and the traffic state information that carry the target road section and send To the application end using target electronic map road net data.By said method, it is only necessary to dispose a set of traffic Information processing system, for determining with reference to the traffic behavior that section is set in electronic chart road net data, and be Transport information is sent using the application end of the electronic chart road net data of different editions such that it is able to cost-effective And hardware resource, reduce consumption of the issue of transport information to hardware resource.
Description of the drawings
Fig. 1 be the embodiment of the present invention in traffic information distribution method of the prior art exemplary process diagram it One；
Fig. 2 is one of the schematic diagram in the embodiment of the present invention with regard to complex node internal passageway；
Fig. 3 be the embodiment of the present invention in regard to complex node internal passageway schematic diagram two；
Fig. 4 is the schematic diagram of bypass in the embodiment of the present invention；
Fig. 5 is the schematic diagram of ring road (A) in the embodiment of the present invention；
Fig. 6 is the schematic diagram of ring road (B) in the embodiment of the present invention；
Fig. 7 is the schematic diagram of right-hand rotation special lane in the embodiment of the present invention；
Fig. 8 is the schematic diagram of left-hand rotation special lane in the embodiment of the present invention；
Fig. 9 is the schematic diagram of left/right rotation special lane in the embodiment of the present invention；
Figure 10 is the two of the exemplary process diagram of traffic information distribution method in the embodiment of the present invention；
Figure 11 is the three of the exemplary process diagram of traffic information distribution method in the embodiment of the present invention；
Figure 12 is the four of the exemplary process diagram of traffic information distribution method in the embodiment of the present invention；
Figure 13 is the schematic diagram of traffic information issuing device in the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that enforcement described herein Example is merely to illustrate and explains the present invention, is not intended to limit the present invention.
Here in detail exemplary embodiment will be illustrated, its example is illustrated in the accompanying drawings.Following retouches State when being related to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element. Embodiment described in following exemplary embodiment does not represent all enforcements consistent with the present invention Mode.Conversely, they be only with it is being described in detail in such as appended claims, the present invention some in terms of phase The example of consistent apparatus and method.
Based in prior art, there is the electronic chart road network that different editions are disposed in different services in contemporaneity The situation of data, it is for the ease of understanding traffic information distribution method provided in an embodiment of the present invention, first fixed here Adopted two nouns：
1st, with reference to electronic chart road net data：For in the electronic chart road net data of above-mentioned different editions It is individual；
2nd, target electronic map road net data：In for the electronic chart of above-mentioned different editions except referring to electronics The electronic chart road net data of other versions outside map road net data.
The embodiment of the present invention provides a kind of traffic information distribution method, is obtained based on reference to electricity first in the method The transport information in the reference section that sub- map road net data is obtained, and based on reference to electronic chart road net data and The mapping relations of target electronic map road net data, determine and reference in target electronic map road net data The section of section matching, using the section of matching as target road section, and obtains the mark of the target road section； Afterwards, the difference traffic message for generating the mark and the traffic state information that carry the target road section is concurrent Give the application end using target electronic map road net data.
By said method, it is only necessary to dispose a set of traffic information processing system, for determining with reference to electronically The traffic behavior in section is set in figure road net data, and is the electronic chart road net data using different editions Application end sends transport information such that it is able to cost-effective and hardware resource, and the issue for reducing transport information is right The consumption of hardware resource.
The traffic information distribution method in the embodiment of the present invention is carried out in detail below by simple embodiment Explanation.
Embodiment one
As shown in figure 1, a kind of exemplary stream of the traffic information distribution method to provide in the embodiment of the present invention Cheng Tu, the method are comprised the following steps：
Step 101：The transport information based on the reference section obtained with reference to electronic chart road net data is obtained, The transport information includes traffic state information.
Wherein, the electronic chart road network number of a certain version can be not fixed as with reference to electronic chart road net data According to.The version of such as electronic chart road net data has version 1, version 2 and version 3, can when actually used To select the electronic chart road net data of which version according to actual needs as with reference to electronic chart road network number According to, and the electronic chart road net data of other versions just automatically becomes target electronic map road net data.Certainly, Consider that update cycle most short electronic chart is closest with the geography information of reality, can be preferentially all using updating The electronic chart road net data of phase most short (updating most frequent) is used as with reference to electronic chart road net data.
Wherein, section is the ultimate unit to form road, and such as Jing Zang is the longer road of a route at a high speed, It is sectional section that capital can be hidden high-speed cutting, in order to represent part roadway area in Jing Zang high speeds Domain.
Step 102：From the reference electronic chart road net data, the attribute letter in the reference section is obtained Breath.
Step 103：By in the attribute information in the reference section and default target electronic map road net data The attribute information in section matched, obtain section match with the reference section, the section that will be matched As target road section, and obtain the mark of the target road section.
Step 104：Generate the mark and the difference traffic of the traffic state information for carrying the target road section Message.
Step 105：The difference traffic message is sent to using the target electronic map road net data Application end.
Wherein, it is to perform for each target electronic map road net data in step 103 and step 104 Operation, and different target electronic map road net datas are directed to, can be with executed in parallel above-mentioned steps 103 and step Rapid 104.Such that it is able to the respective difference of different target electronic chart road net data can be generated in the same time Divide transport information.
Wherein, difference transport information can be generated by one of following two modes：
Section unique mark of the setting section in target electronic map road net data is replaced reference by mode one After section unique mark in transport information, the difference traffic for the target electronic map road net data is generated Information.
Mode two, extracts with reference to the traffic state information in transport information, then by the traffic behavior letter for extracting Breath and setting section unique mark of the section in target electronic map road net data, generate target electronic map The difference transport information of road net data.
For ease of further understanding scheme provided in an embodiment of the present invention, below, in the embodiment of the present invention Traffic information distribution method is described in detail：
First, wherein, in one embodiment, step 103 can be to perform as one of following two modes：
Mode 1),
Wherein, in one embodiment, the attribute information in the reference section is at least believed including shape point attribute Breath and primary attribute information, the shape point at least include：As the shape point and work of the starting point with reference to section It is the shape point of the terminal with reference to section；Then, step 103 may include following steps：
Step A1：In the target electronic map road net data, it is determined that the starting point with the reference section Distance less than or equal to the first predeterminable range at least one first object section；And, it is determined that with the ginseng Examine section terminal distance less than or equal to the second predeterminable range at least one the second target road sections.
Wherein, in one embodiment, when being embodied as, in target electronic map, may be referred to section Starting point on the basis of, in the first preset range including the starting point, determine at least one the first mesh Mark section.Wherein, the first preset range, such as the border circular areas with starting point as the center of circle, or in starting point being Rectangular area of the heart etc..
In the same manner, when being embodied as, in target electronic map, on the basis of may be referred to the terminal in section, Including in the first preset range of the terminal, determining at least one the second target road section.Wherein, Two preset ranges, such as border circular areas with terminal as the center of circle, or the rectangular area centered on terminal etc..
Step A2：The basis category with the reference section is selected from least one first object section The matching degree highest first object section of property information as starting point section, and by the starting point in the reference section The starting point section intersection point point as target starting point.
Step A3：The basis category with the reference section is selected from least one the second target road section Second target road section of matching degree highest of property information as terminal section, and by the terminal in the reference section The terminal section intersection point point as target endpoint.
Wherein, the execution sequence of step A2 and step A3 is unrestricted.
Step A4：According to the target electronic map road net data, calculate from the target starting point to described The first path of target endpoint.
Step A5：The section that the first path is included is used as the target road section, and obtains described The mark of target road section.
Wherein, in one embodiment, aforementioned base attribute information can include at least one letter in table 1 Breath.It should be noted that the content in 1 being for illustration only property of the table explanation embodiment of the present invention, is not used to limit The fixed present invention, can set primary attribute information during actual enforcement, according to the actual requirements as long as can be used in retouching The primary attribute of road is stated, the present invention is not limited to this.
1 primary attribute information table of table
For ease of understanding the primary attribute information in table 1, below above-mentioned each primary attribute information is illustrated, Wherein：
(1), roadclass (category of roads)：
Roadclass is, for example, by shape in electronic chart road net data according to national standard or industry relevant criterion The grade classification in the section at the place of shape point is highway, national highway, provincial highway, county road, township highway, counties and townships (road i.e. in city, the road center are provided with dividing strip and have for village's internal passageway, city free way The track of more than four, is available for vehicle most to travel with the speed of the first predetermined threshold value soon), main roads (i.e. Be used for connecting in city the main line of each subregion (such as Haidian District, Xicheng District), the main line based on communication function, It is available for vehicle most to travel with the speed of the second predetermined threshold value soon, wherein, the second predetermined threshold value is default less than first Threshold value), secondary road (undertakes main roads collecting and distributing effect with the traffic of each by stages, has concurrently in city Service function, the road that vehicle most travelled with the speed of the 3rd predetermined threshold value soon is available for, wherein, the 3rd presets Threshold value is less than the second predetermined threshold value), ordinary road-A (connect the road on secondary road and neighbour road in city, The road based on service function, be available for the road that vehicle most travelled with the speed of the 4th predetermined threshold value soon, its In, the 4th predetermined threshold value be less than the 3rd predetermined threshold value), non-navigational road (it is default be not used in navigation calculate Road) etc..
Wherein, each category of roads is represented with a grade point.For example, the corresponding grade point of national highway For 1, the corresponding grade point of non-navigational road is 10.
, and Formway (classification of road) (2)：
Formway is, for example, by shape in electronic chart road net data according to national standard or industry relevant criterion Shape point place section is categorized as：Main road, complex node internal passageway, overhead, rotary island, relief road, circle Road (A), ring road (B), outlet, entrance, right-hand rotation special lane, left-hand rotation special lane, ordinary road-B, a left side Right-hand rotation special lane etc., and each classification of road has a classification value.Wherein：
With regard to main road：Finger is divided into uplink and downlink in order to be capable of the road of two way.
With regard to complex node internal passageway：For example it is respectively as shown in Fig. 2 three roads are had in Fig. 2 The travel direction of L1, L2 and L3, wherein L1 and the travel direction of L2 conversely, and L3 run through L1 and L2, and 2 points of A and B are met at respectively with L1 and L2, then the section between point AB is a kind of complicated Intra-node road.
Additionally, complex node internal passageway is as shown in figure 3, in figure 3, have two road (D1 and D2) and stretch section (section between point C and point E), wherein, the traveling side of road D1 and D2 To conversely, and CE sections be used for linking-up road D1 and D2, and for vehicle road D1 and D2 it Between turn around use.
With regard to relief road：Refer to the road in service area.
With regard to bypass：As shown in figure 4, referring to the road with overhead surrounding with overhead parallel close proximity to ground.
With regard to ring road (A)：In t types (or y types) interchange, super expressway definition is served as theme, it is secondary Road is wanted to be defined as lead, ring road (A) can represent the road of connecting lead wire and main line intercommunication, as shown in Figure 5. Ring road (A) can also represent the road of connection secondary road and secondary road intercommunication.
With regard to ring road (B)：In interchange, ring road (B) represents JCT roads (connection main line and main line Between road) and ring road (A) intersection (such as the road between Fig. 6 midpoints Y1 and point Y2).
With regard to right-hand rotation special lane (A) and right-hand rotation special lane (B)：As shown in fig. 7, only existing in the middle of actual Be capable of one direction traveling right-hand rotation special lane, this only can one direction traveling right-hand rotation special lane be divided into two species A types and Type B in type, such as Fig. 7.So, in table 1, exist corresponding with A types with regard to turning right Special lane (A), it is corresponding with Type B with regard to right-hand rotation special lane (B).But it is special in actual use, to turn right Setting can be unified according to actual needs with road (A) and the respective classification value of right-hand rotation special lane (B), I.e. except the classification value shown in table 1, the classification value of right-hand rotation special lane (A) can also be set to 12, and incite somebody to action The classification value of right-hand rotation special lane (B) is set to 11, as long as arranging by agreement is unified, the present invention is to this Do not limit.
With regard to left-hand rotation special lane (A) and left-hand rotation special lane (B)：As shown in figure 8, only existing in the middle of actual Be capable of one direction traveling left-hand rotation special lane, this only can one direction traveling left-hand rotation special lane be divided into two species A types and Type B in type, such as Fig. 8.So, in table 1, exist corresponding with A types with regard to turning left Special lane (A), it is corresponding with Type B with regard to left-hand rotation special lane (B).But it is special in actual use, to turn left Setting can be unified according to actual needs with road (A) and the respective classification value of left-hand rotation special lane (B), I.e. except the classification value shown in table 1, the classification value of left-hand rotation special lane (A) can also be set to 14, and incite somebody to action The classification value of left-hand rotation special lane (B) is set to 13, as long as arranging by agreement is unified, the present invention is to this Do not limit.
With regard to left/right rotation special lane：As shown in the road A in Fig. 9, actual central presence can be with twocouese row The left/right rotation special lane sailed, i.e., both can be turned right to road 2 by the road by road 1, it is also possible to by road The road that road 2 is turned left to road 1 by the road.
With regard to ordinary road-B：Refer to except main road, complex node internal passageway, overhead, rotary island, relief road, Ring road (A), ring road (B), outlet, entrance, right-hand rotation special lane, left-hand rotation special lane, left/right rotation special lane Outside other roads.
(3), the corresponding angle of shape point：In electronic chart road net data, every road can also contain each shape The corresponding angle of shape point.
For each shape point, the corresponding angle of the shape point is used to describe road in the corresponding shape of the angle The bearing of trend angle of shape point.Wherein, with regard to bearing of trend angle, such as section is at shape point A along polarization north 30 ° of direction extension, then 30 ° of angle is bearing of trend angle.Wherein, in one embodiment, pin To any shape point, the corresponding angle of the shape point can be calculated according to following methods and be obtained, specifically, including Following steps：
Step B1：For any shape point, a reference point is determined from the section that the shape point is located.
Step B2：The direction of the shape point to the reference point is calculated, the angle between preset direction； Using the angle for calculating as the corresponding angle of the shape point.
Wherein, in one embodiment, preset direction, any one in e.g. following direction：The positive north To, due south direction, due east direction, due west direction, 45 ° of east by north direction, the 45 ° of directions in east by south etc. Deng.Any preset direction is applied to the embodiment of the present invention, and the present invention is not limited to this.
Wherein, in one embodiment, in step bl is determined., the reference point can be determined according to following methods, Specifically, including herein below：
A), when the shape point is not the terminal in the section that the shape point is located, in the shape point and On section between the terminal in the section that the shape point is located, first object point is searched so that described first The length in the section that the shape point between impact point and the shape point is located is preset length；
If finding the first object point, the first object point is the reference point, otherwise, by institute The terminal in section at shape point place is stated as the reference point.
B), when the shape point is the terminal in the section that the shape point is located, it is located from the shape point Section on determine the second impact point so that the end in the section that second impact point is located with the shape point The length in the section that the shape point between point is located is preset length；
If finding second impact point, second impact point is the reference point, otherwise, by institute The starting point for stating the section at shape point place is as a reference point.
(4), distance of the shape point apart from next shape point：Wherein, in one embodiment, shape point away from Can be the air line distance, or two shape points of two shape points with a distance from next shape point on section The road section length of intercepting.
Wherein, in one embodiment, after above-mentioned primary attribute information is understood, step A2 can be with Comprise the following steps：
Step C1：For each first object section at least one first object section, meter Calculate the difference in the section and the parameter value of same alike result field in the attribute information in the reference section；And from pre- In the attribute field put and weight factor corresponding relation, the corresponding weight factor of each attribute field is obtained.
Step C2：According to the weight factor for inquiring and calculated each difference, by weighted sum Mode calculate first object section with reference to section attribute information matching degree；
Step C3：Matching degree highest first object section is selected as the starting point section.
With step A2 in the same manner, step A3 may comprise steps of：
Step D1：For each the second target road section at least one the second target road section, meter Calculate the difference in the section and the parameter value of same alike result field in the attribute information in the reference section；And from pre- In the attribute field put and weight factor corresponding relation, the corresponding weight factor of each attribute field is obtained.
Step D2：According to the weight factor for inquiring and calculated each difference, by weighted sum Mode calculate the second target road section with reference to section attribute information matching degree.
Step D3：Matching degree the second target road section of highest is selected as terminal section.
Below, by taking step C1- step C3 as an example, for the method for the matching degree for calculating primary attribute information Illustrate, specifically：For each the first section, first can determine starting point with reference to section to this first The intersection point point in section, then calculates the matching degree of primary attribute information, the formula according to following matching degree formula As shown in formula (1)：
pi=λ1·di+λ2·ci+λ3·ei+λ4·fi+λ5·gi (1)
Wherein in formula (1)：piRepresent the matching degree of primary attribute information；diRepresent with reference to section The distance of starting point to intersection point point i；ciRepresent the grade point in the section between the starting point and intersection point point i with reference to section Difference；eiDifference of the expression with reference to the classification value in the section between the starting point and intersection point point i in section；fiRepresent With reference to the distance next one shape point of the distance and intersection point point i of the distance next one shape point of the starting point in section Distance between difference；giRepresent corresponding with intersection point point i with reference to the corresponding angle of starting point in section Angle between differential seat angle.
Certainly, when being embodied as, in can also increasing or deleting formula (1), participate in the primary attribute letter for calculating Breath, the present invention are not limited to this.
It is identical with step A2 for the method for the matching degree that primary attribute information is calculated in step A3, This repeats no more.
, wherein it is desired to explanation, in the electronic chart road net data of each version, each section is by Finite Number The shape point of amount represents, so, there is interval between the shape point and shape point in same section, so, may Above-mentioned intersection point point is likely located between two adjacent shape points, so, may not be stored with this in electronic chart The attribute information of intersection point point, then can will be considered as intersection point point apart from the closest shape point of intersection point point.
Wherein, in one embodiment, when being embodied as, step A2 can also perform and be：For each First object section, first can calculate the first object section with reference according to roadclass and Formway The matching degree in section, then, the first object section of the matching degree of reselection preset level (for example, selects Matching degree highest and secondary high first object section).Then, it is determined that starting point and each first object for selecting The intersection point point in section, and according to the corresponding angle of intersection point point, distance of the intersection point point apart from next shape point, meter The matching degree a little with each intersection point point is counted, and matching degree highest intersection point point is finally selected as target starting point.
According to same processing mode, select with the terminal matching degree highest intersection point point with reference to section as mesh Mark terminal.
In a word, determine that target starting point and the method for target endpoint are applied to the present invention according to primary attribute information Embodiment, the present invention are not limited to this.
Wherein, in one embodiment, the first path in step A4 can be target starting point to target end A paths of shortest path, or the first path determined according to prerequisite between point, this is preset Condition is, for example, and/or Formway identical one paths identical with the roadclass with reference to section.
Wherein, in one embodiment, due to the reconstruction etc. of road, the section that first path includes can be with More than one, now in order to accurately determine which section is target road section in first path, in execution step Before A5, can also comprise the following steps：
Step E1：Whether the bar number for judging the section that the first path includes is 1.
Step E2：If the judged result of step E1 is yes, the road that the first path is included is performed Target road section described in Duan Zuowei, and the step of obtain the mark of the target road section.
Step E3：If the judged result of step E1 is no, the starting point section is calculated in the first via Length in footpath and the ratio of the total length in the starting point section, judge ratio ratio whether default less than first Value；If so, the starting point section is then deleted from the first path；And,
Calculate length of the terminal section in the first path and the total length in the terminal section Ratio；And judge the ratio whether less than the first default ratio；If so, then delete from the first path The terminal section.
Wherein, in one embodiment, when being embodied as, the first default ratio could be arranged to one and be more than Value equal to 50%.So, for example, when length of the starting point section in the first path and the starting point When the ratio of the total length in section is more than or equal to 50%, illustrate that starting point section major part is included in first path In, then starting point section can be considered as a target road section.And work as length of the starting point section in the first path When spending ratio only 10% with the total length in the starting point section, illustrate that starting point section only has sub-fraction and exists In first path, so, by starting point section be considered as target road section be it is irrational, so, should rise Delete from first path in point section.In the same manner, terminal section is processed in the same way.
So, pass through, above-mentioned steps E1- step E3 can reject the section of not target road section, so as to protect Card determines the accuracy of target road section.
Wherein, in one embodiment, for the ease of determine first path whether be the road comprising target road section Footpath, in order to improve determine target road section accuracy, in the embodiment of the present invention, execution step A5 it Before, it may also be determined that the ratio of the total length of the first path and the total length in the reference section, if ratio Value presets ratio more than or equal to second, then execution step A5.Second default ratio could be arranged to one compared with Big value, such as 90%.So, illustrate first path and be more nearly with reference to section.Can be furtherly Bright first path is and the path matched with reference to section.It is thus possible to determine the section that first path includes As target road section.
Mode 2),
Wherein, in one embodiment, the attribute information in the reference section includes rising for the reference section The shape dot position information of the shape dot position information and terminal of point；Then, step 103 can include following step Suddenly：
Step F1：As starting point, terminal is destination to starting point with the reference section of acquisition；According to pre- If target electronic map road net data, it is determined that from the second path of the starting point to the destination.
Step F2：In second path, enterprising line position puts point sampling, obtains 1 sampling location point, And obtain the positional information of each sampling location point at least one sampling location point.
Step F3：According to the positional information of each sampled point, determine each sampled point whether in the ginseng Examine on section.
Step F4：If the judged result of step F3 is yes, the section that second path is included is made For the target road section, and obtain the mark of the target road section.
2nd, wherein, in one embodiment, between the electronic chart road net data of different editions, some roads Section is not changed in, and for 1) section that is not changed in performs aforesaid way and mode is 2) determining Target road section, it is clear that can reduce determining target road section, generate the efficiency of difference transport information, so, this In bright embodiment, in order to simplify operation, the final efficiency for determining target road section is improved, in execution step 102 Afterwards, can also comprise the following steps：
Step G1：Judge in the target electronic map road net data with the presence or absence of with the reference section Mark identical section.
Step G2：If the judged result of step G1 is no, execution step 103.
Step G3：If the judged result of step G1 is yes, according to the attribute information in the reference section, Judge the geography with the mark identical section in the reference section in the target electronic map road net data Whether position and/or road section length match.
Step G4：If the judged result of step G3 is to mismatch, execution step 103；If G3's sentences Disconnected result is matching, it is determined that the mark for being designated the reference section of the target road section, and performs step Rapid 104.
So, when not changing in target electronic map road net data with reference to section, can avoid adopting 1) section matching is carried out with mode method 2) with mode, but it is few by above-mentioned steps G1- step G4 The operation of amount and a small amount of parameter (geographical position and/or road section length) can accurately determine target road section, Such that it is able to the mark for quickly obtaining target road section, in order to generate and issue difference transport information.
3rd, wherein, in one embodiment, for ease of generating and issuing difference transport information next time, can With default mark correspondence set, the set includes the mark and corresponding target road section with reference to section The corresponding relation of mark.
So, before generating and issuing difference transport information, default correspondence set can first be searched In with the presence or absence of the mark corresponding target road section mark with reference to section, if existing, step can be omitted 102- steps 103, accelerate to generate and issue the efficiency of difference transport information.Specifically, be up to this purpose, Before step 102, can also judge it is default mark correspondence set in the presence or absence of with the reference The mark of the corresponding target road section of mark in section, if existing, execution step 104, if not existing, Execution step 102, and after execution step 103, can also be by the mark in the reference section and acquisition The target road section mark corresponding relation be added to it is described it is default mark correspondence set in, with It is easy to generate and issue difference transport information next time.
Wherein, above-mentioned mark correspondence set can be as shown in table 2：Each section is stored in table 2 not Identify with the section in the electronic chart road net data of version；Road section ID 1, section in table 2 in the first row ID2 ..., road section ID n represent same section in different editions electronic chart section mark.
So, no matter the electronic chart road net data of which version is used as can with reference to electronic chart road net data The mark with reference to target road section of the section in target electronic map road net data is searched from the corresponding relation of table 2 Know.
Table 2 identifies correspondence set
Thus, by identifying correspondence set, quick determination setting section can be realized on target electronic ground The mark of the target road section in figure road net data, so as to further generate difference transport information, with respect to existing skill By repeating to determine that the method for traffic state information can faster by target electronic map road net data in art Transport information be sent to the application end using target electronic map road net data, can save hardware resource While, improve the efficiency for sending transport information.
Wherein, in one embodiment, the electronic chart road net data of different editions is needed according to oneself more The new cycle is updated, therefore, in above-mentioned mark correspondence set, with reference to electronic chart road net data Can with reference to the corresponding relation of the mark of the target road section in the mark and target electronic map road net data in section Be able to can change.So, mark correspondence set needs to constantly update.To guarantee correspondence set In corresponding relation accuracy, so as to improve generate difference transport information accuracy.
So, in the embodiment of the present invention, in mark correspondence set, for arbitrary corresponding relation, if The mark of the target road section of the target electronic map road net data in the corresponding relation, it is unused in preset duration When difference transport information is generated, then the corresponding relation is deleted.So, with reference to mark and the target road in section The corresponding relation of the mark of section, can redefine in upper once generation and when issuing difference transport information, and add It is added in correspondence set, realizing guarantees the accuracy of corresponding relation.Wherein, preset duration is as right The digestion period that should be related to, can be the most short update cycle of electronic chart road net data.Additionally, a version The transport information of this electronic chart road net data also has release cycle, for example, issue at interval of preset period of time Once, predetermined period can also determine according to the release cycle of transport information that the present invention is not limited to this.
In sum, in the embodiment of the present invention, by the ginseng in electronic chart road net data is referred to according to reference Examine section and this with reference to section transport information, just can generate and issue in target electronic map road net data Difference transport information.Realization is using different versions by only needing to dispose a set of traffic information processing system The application end distributing traffic information of this electronic chart road net data, hands over relative to many sets used in prior art The method of logical information processing system distributing traffic information can save hardware resource.
Embodiment two
Below as a example by first determining whether whether to change with reference to section, the transport information in the embodiment of the present invention is sent out Cloth method is described in detail, and as shown in Figure 10, the method is comprised the following steps：
Step 1001：The transport information based on the reference section obtained with reference to electronic chart road net data is obtained, The transport information includes traffic state information.
Step 1002：From the reference electronic chart road net data, the attribute letter in the reference section is obtained Breath.
Step 1003：Judge in the target electronic map road net data with the presence or absence of with the reference section Mark identical section, if execution step 1004, if it is not, execution step 1006.
Step 1004：According to the attribute information in the reference section, the target electronic map road network number is judged Whether match with the geographical position in the mark identical section in the reference section and/or road section length according in；If Match, then execution step 1005, if mismatching, execution step 1006.
Step 1005：Determine the mark for being designated the reference section of the target road section, afterwards, perform Step 1007.
Step 1006：By in the attribute information in the reference section and default target electronic map road net data The attribute information in section matched, obtain section match with the reference section, the section that will be matched As target road section, and obtain the mark of the target road section.
Wherein, the execution method of step 1006 is described in detail in embodiment one, be will not be described here.
Step 1007：Generate the mark and the difference traffic of the traffic state information for carrying the target road section Message.
Step 1008：The difference traffic message is sent to using the target electronic map road net data Application end.
In the embodiment of the present invention, when not changing in target electronic map road net data with reference to section, Can avoid 1) carrying out section matching with mode method 2) using mode in embodiment one, such that it is able to The mark of target road section is obtained quickly, in order to generate and issue difference transport information.
Embodiment three
Below as a example by searching mark correspondence set, to the Traffic information demonstration side in the embodiment of the present invention Method is described in detail, and as shown in figure 11, the method is comprised the following steps：
Step 1101：The transport information based on the reference section obtained with reference to electronic chart road net data is obtained, The transport information includes traffic state information.
Step 1102：Whether there is the corresponding mesh of mark with reference to section in searching default correspondence set Mark section mark；If not existing, execution step 1103；If existing, execution step 1105.
Step 1103：From the reference electronic chart road net data, the attribute letter in the reference section is obtained Breath, afterwards, execution step 1104.
Step 1104：By in the attribute information in the reference section and default target electronic map road net data The attribute information in section matched, obtain section match with the reference section, the section that will be matched As target road section, and obtain the mark of the target road section.
Wherein, the execution method of step 1104 is described in detail in embodiment one, be will not be described here.
Wherein, in one embodiment, after execution step 1104, can also be by the mark with reference to section With the corresponding relation of the mark of target road section be added to mark correspondence set in, in order to next time generation With use when issuing difference transport information.
Step 1105：Generate the mark and the difference traffic of the traffic state information for carrying the target road section Message.
Step 1106：The difference traffic message is sent to using the target electronic map road net data Application end.
In the embodiment of the present invention, by identifying correspondence set, can realize that quick determination setting section exists The mark of the target road section in target electronic map road net data, so as to further generate difference transport information, Method in hinge structure by repeating to determine traffic state information can faster by target electronic ground The transport information of figure road net data is sent to the application end using target electronic map road net data, can be in section About hardware resource while, improve send transport information efficiency.
Example IV
1) as a example by determining the mark of the target road section for referring to section below in the way of in embodiment one, to this Traffic information distribution method in inventive embodiments is described in detail, and as shown in figure 12, the method includes Following steps：
Step 1201：The transport information based on the reference section obtained with reference to electronic chart road net data is obtained, The transport information includes traffic state information.
Step 1202：From the reference electronic chart road net data, the attribute letter in the reference section is obtained Breath；The attribute information includes shape point attribute information and primary attribute information, and the shape point is at least wrapped Include：Shape point and the shape point as the terminal with reference to section as the starting point with reference to section.
Step 1203：In the target electronic map road net data, it is determined that the starting point with the reference section Distance less than or equal to the first predeterminable range at least one first object section；And, it is determined that with the ginseng Examine section terminal distance less than or equal to the second predeterminable range at least one the second target road sections.
Step 1204：For each at least one first object section or in the second target road section First object section or the second target road section, calculate the section identical with the attribute information in the reference section The difference of the parameter value of attribute field；And from preset attribute field with weight factor corresponding relation, obtain The corresponding weight factor of each attribute field.
Step 1205：According to the weight factor for inquiring and calculated each difference, by weighted sum Mode calculate the matching degree of first object section or the second target road section and the attribute information with reference to section.
Step 1206：Matching degree highest first object section is selected as the starting point section and matching degree The second target road section of highest is used as terminal section.
Step 1207：Intersection point point of the starting point in the reference section in the starting point section is risen as target Point, and using the terminal in the reference section the terminal section intersection point point as target endpoint；According to institute Target electronic map road net data is stated, the first path from the target starting point to the target endpoint is calculated.
Step 1208：Judge the total length of first path and the ratio of the total length with reference to section, if be more than Equal to the second default ratio；If being more than, execution step 1209, if it is not, then end operation.
Step 1209：Whether the bar number for judging the section that the first path includes is 1；If it is not, performing step Rapid 1210, if so, execution step 1211.
Step 1210：Calculate length of the starting point section in the first path and the starting point section Whether the ratio of total length, judge the ratio less than the first default ratio；If so, then from the first path It is middle to delete the starting point section；And, calculate length and institute of the terminal section in the first path State the ratio of the total length in terminal section；And judge the ratio whether less than the first default ratio；If so, then The terminal section is deleted from the first path.
Step 1211：The section that the first path is included is used as the target road section, and obtains described The mark of target road section.
Step 1212：Generate the mark and the difference traffic of the traffic state information for carrying the target road section Message.
Step 1213：The difference traffic message is sent to using the target electronic map road net data Application end.
In the embodiment of the present invention, obtained based on the reference section obtained with reference to electronic chart road net data first Transport information, and closed based on the mapping with reference to electronic chart road net data and target electronic map road net data System, determines in target electronic map road net data and the section matched with reference to section, by the section of matching As target road section, and obtain the mark of the target road section；Afterwards, generate and carry the target road section The difference traffic message of mark and the traffic state information is simultaneously sent to using target electronic map road network number According to application end.By said method, it is only necessary to dispose a set of traffic information processing system, for determining ginseng The traffic behavior in section is set in examining electronic chart road net data, and is the electronic chart road using different editions The application end of network data sends transport information such that it is able to cost-effective and hardware resource, reduces transport information Consumption of the issue to hardware resource.
Embodiment five
Based on identical inventive concept, the embodiment of the present invention also provides a kind of traffic information issuing device, such as schemes Shown in 13, the device includes：
Traffic information acquisition module 1301, for obtaining based on the reference obtained with reference to electronic chart road net data The transport information in section, the transport information include traffic state information；
Attribute information acquisition module 1302, for from the reference electronic chart road net data, obtaining described With reference to the attribute information in section；
First matching module 1303, for by the attribute information in the reference section and default target electronic ground The attribute information in the section in figure road net data is matched, and obtains the section matched with the reference section, Using the section of matching as target road section, and obtain the mark of the target road section；
Difference information generation module 1304, for generating the mark and the traffic shape that carry the target road section The difference traffic message of state information；
Release module 1305, for the difference traffic message is sent to using the target electronic map road The application end of network data.
Wherein, in one embodiment, described device also includes：
First judge module, for the attribute information acquisition module from the reference electronic chart road net data In, after obtaining the attribute information in the reference section, in judging the target electronic map road net data it is The no mark identical section existed with the reference section；
First performing module, if the judged result for the judge module is no, triggers described first Perform in the attribute information in the reference section and default target electronic map road net data with module The step of attribute information in section is matched；
Second performing module, if the judged result for the judge module is yes, according to the reference arm The attribute information of section, judges identical with the mark in the reference section in the target electronic map road net data Section geographical position and/or road section length whether match；
Processing module, if for second performing module judged result to mismatch, trigger described the One matching module is performed the attribute information in the reference section and default target electronic map road net data In the attribute information in section the step of matched；If the judged result of second performing module for Match somebody with somebody, it is determined that the mark for being designated the reference section of the target road section, and trigger the difference information Generation module performs the mark and the difference of the traffic state information for generating and carrying the target road section The step of traffic message.
Wherein, in one embodiment, described device also includes：
Determining module, for the attribute information acquisition module from the reference electronic chart road net data, Before obtaining the attribute information in the reference section, determine it is default mark correspondence set in do not exist with The mark of the corresponding target road section of mark in the reference section, the target road section are target electronic ground Section in figure road net data；
Corresponding relation update module, for first matching module using the section for matching as target road section, And after obtaining the mark of the target road section, by the mark in the reference section and the target road for obtaining The corresponding relation of the mark of section is added in the default mark correspondence set.
Wherein, in one embodiment, the attribute information in the reference section is at least believed including shape point attribute Breath and primary attribute information, the shape point at least include：As the shape point and work of the starting point with reference to section It is the shape point of the terminal with reference to section；
First matching module, specifically includes：
Target road section acquiring unit, in the target electronic map road net data, it is determined that with the ginseng The distance for examining the starting point in section is less than or equal at least one first object section of the first predeterminable range；And, It is determined that with the distance of the terminal in the reference section less than or equal to the second predeterminable range at least one the second mesh Mark section；
Target starting point and terminal determining unit, for selecting and institute from least one first object section The matching degree highest first object section of primary attribute information with reference to section is stated as starting point section, and will The starting point in the reference section the starting point section intersection point point as target starting point；And；From it is described to The matching degree highest with the primary attribute information in the reference section is selected in few second target road section Second target road section as terminal section, and by the terminal in the reference section the terminal section intersection point Point is used as target endpoint；
First path determining unit, for according to the target electronic map road net data, calculating from the mesh First path of the mark starting point to the target endpoint；
First mark acquiring unit, for the section that includes the first path as the target road Section, and obtain the mark of the target road section.
Wherein, in one embodiment, described device also includes：
Second judge module, for the section that the first path is included by first mark acquiring unit As the target road section, and before obtaining the mark of the target road section, judge that the first path includes The bar number in section whether be 1；
3rd performing module, if the judged result for second judge module is yes, triggers described One mark acquiring unit performs the section for including the first path as the target road section, and obtains The step of mark of the target road section；
4th performing module, if the judged result for second judge module is no, calculates described rising Point length of the section in the first path and the ratio of the total length in the starting point section, judge the ratio Whether less than the first default ratio；If so, the starting point section is then deleted from the first path；And, Calculate the ratio of length of the terminal section in the first path and the total length in the terminal section； And judge the ratio whether less than the first default ratio；If so, then delete the end from the first path Point section.
Wherein, in one embodiment, described device also includes：
5th performing module, for the section that the first path is included by first mark acquiring unit As the target road section, and before obtaining the mark of the target road section, the total of the first path is determined Length and the ratio of the total length in the reference section, if ratio presets ratio more than or equal to second, trigger First mark acquiring unit performs the section for including the first path as the target Section, and the step of obtain the mark of the target road section.
Wherein, in one embodiment, the target starting point and terminal determining unit, specifically for：
For each first object at least one first object section or in the second target road section Section or the second target road section, calculate the section with same alike result field in the attribute information in the reference section Parameter value difference；And from preset attribute field with weight factor corresponding relation, obtain each attribute word The corresponding weight factor of section；And,
According to the weight factor for inquiring and calculated each difference, calculated by way of weighted sum First object section or the matching degree of the second target road section and the attribute information with reference to section；
Matching degree highest first object section is selected as the starting point section and matching degree highest the Two target road sections are used as terminal section.
Wherein, in one embodiment, the attribute information in the reference section includes rising for the reference section The shape dot position information of the shape dot position information and terminal of point；
First matching module, specifically includes：
Second path determining unit, for the starting point in the reference section of acquisition as starting point, terminal is Destination；According to default target electronic map road net data, it is determined that from the starting point to the destination The second path；
Sampling unit, for putting point sampling in the enterprising line position in second path, obtains at least one sample bits Put a little, and obtain the positional information of each sampling location point at least one sampling location point；
Sampled point matching unit, for the positional information according to each sampled point, determines each sampled point Whether on the reference section；
Second mark acquiring unit, if the judged result for the sampled point matching unit is yes, by institute Section that the second path includes is stated as the target road section, and obtains the mark of the target road section.
Traffic information issuing device provided in an embodiment of the present invention, by obtaining based on reference to electronic chart road network The transport information in the reference section that data are obtained, and based on reference to electronic chart road net data and target electronic ground The mapping relations of figure road net data, determine in target electronic map road net data and match with reference to section Section, using the section of matching as target road section, and obtains the mark of the target road section；Afterwards, generate Carry the difference traffic message of the mark and the traffic state information of the target road section and be sent to use The application end of target electronic map road net data.By said method, it is only necessary to dispose at a set of transport information Reason system, for determining with reference to the traffic behavior that section is set in electronic chart road net data, and is using not Transport information is sent with the application end of the electronic chart road net data of version such that it is able to cost-effective and hardware Resource, reduces consumption of the issue of transport information to hardware resource.
With regard to the device in above-described embodiment, wherein modules perform the concrete mode of operation relevant It has been described in detail in the embodiment of the method, explanation will be not set forth in detail herein.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot The form of the embodiment in terms of conjunction software and hardware.And, the present invention can be using wherein wrapping at one or more Computer-usable storage medium containing computer usable program code (including but not limited to disk memory, CD-ROM, optical memory etc.) on the form of computer program implemented.
The present invention be with reference to method according to embodiments of the present invention, equipment (system), and computer program produce The flow chart and/or block diagram of product is describing.It should be understood that can by computer program instructions flowchart and / or block diagram in each flow process and/or square frame and flow chart and/or the flow process in block diagram and/ Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedded The processor of formula datatron or other programmable data processing devices is producing a machine so that by calculating The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one The device of the function of specifying in individual flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and computer or other programmable datas process can be guided to set In the standby computer-readable memory for working in a specific way so that be stored in the computer-readable memory Instruction produce and include the manufacture of command device, command device realization is in one flow process or multiple of flow chart The function of specifying in one square frame of flow process and/or block diagram or multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices, made Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one The step of function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described This creative concept, then can make other change and modification to these embodiments.So, appended right will Ask and be intended to be construed to include preferred embodiment and fall into the had altered of the scope of the invention and change.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.

Claims (16)

1. a kind of traffic information distribution method, it is characterised in that methods described includes：
Obtain the transport information based on the reference section obtained with reference to electronic chart road net data, the traffic letter Breath includes traffic state information；
From the reference electronic chart road net data, the attribute information in the reference section is obtained；
By the section in the attribute information in the reference section and default target electronic map road net data Attribute information is matched, and obtains the section matched with the reference section, using the section of matching as target Section, and obtain the mark of the target road section；
Generate the mark and the difference traffic message of the traffic state information for carrying the target road section；
The difference traffic message is sent to into the application end using the target electronic map road net data.
2. method according to claim 1, it is characterised in that described from the reference electronic chart In road net data, after obtaining the attribute information in the reference section, methods described also includes：
Judge in the target electronic map road net data with the presence or absence of identical with the mark in the reference section Section；
If it is not, then performing the attribute information in the reference section and default target electronic map road net data In the attribute information in section the step of matched；
If so, attribute information then according to the reference section, judges the target electronic map road net data In whether match with the geographical position in the mark identical section in the reference section and/or road section length；
If mismatching, perform the attribute information in the reference section and default target electronic map road network The step of attribute information in the section in data is matched；If matching, it is determined that the mark of the target road section Know the mark for the reference section, and perform the mark and the friendship for generating and carrying the target road section The step of difference traffic message of logical status information.
3. method according to claim 1 and 2, it is characterised in that described from the reference electronics In map road net data, before obtaining the attribute information in the reference section, methods described also includes：
There is no mesh corresponding with the mark in the reference section in determining default mark correspondence set The mark in mark section, the target road section is the section in the target electronic map road net data；
The section using matching is as target road section, and after obtaining the mark of the target road section, described Method also includes：
The mark in the reference section and the corresponding relation of the mark of the target road section for obtaining are added to In the default mark correspondence set.
4. method according to claim 1, it is characterised in that the attribute information in the reference section At least include shape point attribute information and primary attribute information, the shape point at least includes：As reference arm The shape point of the starting point of section and the shape point as the terminal with reference to section；
Road in the attribute information by the reference section and default target electronic map road net data The attribute information of section is matched, and obtains the section that match with the reference section, using the section for matching as Target road section, and the mark of the target road section is obtained, specifically include：
In the target electronic map road net data, it is determined that being less than with the distance of the starting point in the reference section Equal at least one first object section of the first predeterminable range；And, it is determined that the end with the reference section At least one the second target road sections of the distance of point less than or equal to the second predeterminable range；
Select from least one first object section and the primary attribute information in the reference section Matching degree highest first object section as starting point section, and by the starting point in the reference section at described The intersection point point in point section is used as target starting point；And；
Select and the primary attribute information in the reference section from least one the second target road section The second target road section of matching degree highest as terminal section, and by the terminal in the reference section at the end The intersection point point in point section is used as target endpoint；
According to the target electronic map road net data, calculate from the target starting point to the target endpoint First path；
The section that the first path is included is used as the target road section, and obtains the target road section Mark.
5. method according to claim 4, it is characterised in that described to wrap in the first path The section for including is used as the target road section, and before obtaining the mark of the target road section, methods described is also wrapped Include：
Whether the bar number for judging the section that the first path includes is 1；
If so, the section that the first path is included then is performed as the target road section, and obtain institute The step of stating the mark of target road section；
If it is not, it is total with the starting point section then to calculate length of the starting point section in the first path Whether the ratio of length, judge the ratio less than the first default ratio；If so, then from the first path Delete the starting point section；And,
Calculate length of the terminal section in the first path and the total length in the terminal section Ratio；And judge the ratio whether less than the first default ratio；If so, then delete from the first path The terminal section.
6. method according to claim 4, it is characterised in that described to wrap in the first path The section for including is used as the target road section, and before obtaining the mark of the target road section, methods described is also wrapped Include：
Determine the total length of the first path and the ratio of the total length in the reference section, if ratio is more than Equal to the second default ratio, then the section that the first path is included is performed as the target road Section, and the step of obtain the mark of the target road section.
7. the method according to any claim in claim 4-6, it is characterised in that from described Select at least one first object section or the second target road section and the attribute information in the reference section Matching degree highest first object section is used as starting point section or the second target road section conduct of matching degree highest Terminal section, specifically includes：
For each first object at least one first object section or in the second target road section Section or the second target road section, calculate the section with same alike result field in the attribute information in the reference section Parameter value difference；And from preset attribute field with weight factor corresponding relation, obtain each attribute word The corresponding weight factor of section；And,
According to the weight factor for inquiring and calculated each difference, calculated by way of weighted sum First object section or the matching degree of the second target road section and the attribute information with reference to section；
Matching degree highest first object section is selected as the starting point section and matching degree highest the Two target road sections are used as terminal section.
8. method according to claim 1, it is characterised in that the attribute information in the reference section Including the shape dot position information of the shape dot position information and terminal of the starting point in the reference section；
Road in the attribute information by the reference section and default target electronic map road net data The attribute information of section is matched, and is specifically included：
As starting point, terminal is destination to starting point with the reference section of acquisition；According to default target Electronic chart road net data, it is determined that from the second path of the starting point to the destination；
In second path, enterprising line position puts point sampling, obtains 1 sampling location point, and obtains institute State the positional information of each sampling location point in 1 sampling location point；
According to the positional information of each sampled point, determine each sampled point whether in the reference section On；
If so, the section for then including second path is used as the target road section, and obtains the mesh The mark in mark section.
9. a kind of traffic information issuing device, it is characterised in that described device includes：
Traffic information acquisition module, for obtaining based on the reference section obtained with reference to electronic chart road net data Transport information, the transport information includes traffic state information；
Attribute information acquisition module, for, from the reference electronic chart road net data, obtaining the reference The attribute information in section；
First matching module, for by the attribute information in the reference section and default target electronic map road The attribute information in the section in network data is matched, and obtains the section matched with the reference section, general The section matched somebody with somebody is used as target road section, and obtains the mark of the target road section；
Difference information generation module, for generating mark and the traffic behavior letter for carrying the target road section The difference traffic message of breath；
Release module, for the difference traffic message is sent to using the target electronic map road network number According to application end.
10. device according to claim 9, it is characterised in that described device also includes：
First judge module, for the attribute information acquisition module from the reference electronic chart road net data In, after obtaining the attribute information in the reference section, in judging the target electronic map road net data it is The no mark identical section existed with the reference section；
First performing module, if the judged result for the judge module is no, triggers described first Perform in the attribute information in the reference section and default target electronic map road net data with module The step of attribute information in section is matched；
Second performing module, if the judged result for the judge module is yes, according to the reference arm The attribute information of section, judges identical with the mark in the reference section in the target electronic map road net data Section geographical position and/or road section length whether match；
Processing module, if for second performing module judged result to mismatch, trigger described the One matching module is performed the attribute information in the reference section and default target electronic map road net data In the attribute information in section the step of matched；If the judged result of second performing module for Match somebody with somebody, it is determined that the mark for being designated the reference section of the target road section, and trigger the difference information Generation module performs the mark and the difference of the traffic state information for generating and carrying the target road section The step of traffic message.
11. devices according to claim 9 or 10, it is characterised in that described device also includes：
Determining module, for the attribute information acquisition module from the reference electronic chart road net data, Before obtaining the attribute information in the reference section, determine it is default mark correspondence set in do not exist with The mark of the corresponding target road section of mark in the reference section, the target road section are target electronic ground Section in figure road net data；
Corresponding relation update module, for first matching module using the section for matching as target road section, And after obtaining the mark of the target road section, by the mark in the reference section and the target road for obtaining The corresponding relation of the mark of section is added in the default mark correspondence set.
12. devices according to claim 9, it is characterised in that the attribute information in the reference section At least include shape point attribute information and primary attribute information, the shape point at least includes：As reference arm The shape point of the starting point of section and the shape point as the terminal with reference to section；
First matching module, specifically includes：
Target road section acquiring unit, in the target electronic map road net data, it is determined that with the ginseng The distance for examining the starting point in section is less than or equal at least one first object section of the first predeterminable range；And, It is determined that with the distance of the terminal in the reference section less than or equal to the second predeterminable range at least one the second mesh Mark section；
Target starting point and terminal determining unit, for selecting and institute from least one first object section The matching degree highest first object section of primary attribute information with reference to section is stated as starting point section, and will The starting point in the reference section the starting point section intersection point point as target starting point；And；From it is described to The matching degree highest with the primary attribute information in the reference section is selected in few second target road section Second target road section as terminal section, and by the terminal in the reference section the terminal section intersection point Point is used as target endpoint；
First path determining unit, for according to the target electronic map road net data, calculating from the mesh First path of the mark starting point to the target endpoint；
First mark acquiring unit, for the section that includes the first path as the target road Section, and obtain the mark of the target road section.
13. devices according to claim 12, it is characterised in that described device also includes：
Second judge module, for the section that the first path is included by first mark acquiring unit As the target road section, and before obtaining the mark of the target road section, judge that the first path includes The bar number in section whether be 1；
3rd performing module, if the judged result for second judge module is yes, triggers described One mark acquiring unit performs the section for including the first path as the target road section, and obtains The step of mark of the target road section；
4th performing module, if the judged result for second judge module is no, calculates described rising Point length of the section in the first path and the ratio of the total length in the starting point section, judge the ratio Whether less than the first default ratio；If so, the starting point section is then deleted from the first path；And, Calculate the ratio of length of the terminal section in the first path and the total length in the terminal section； And judge the ratio whether less than the first default ratio；If so, then delete the end from the first path Point section.
14. devices according to claim 12, it is characterised in that described device also includes：
5th performing module, for the section that the first path is included by first mark acquiring unit As the target road section, and before obtaining the mark of the target road section, the total of the first path is determined Length and the ratio of the total length in the reference section, if ratio presets ratio more than or equal to second, trigger First mark acquiring unit performs the section for including the first path as the target Section, and the step of obtain the mark of the target road section.
15. devices according to any claim in claim 12-14, it is characterised in that described Target starting point and terminal determining unit, specifically for：
For each first object at least one first object section or in the second target road section Section or the second target road section, calculate the section with same alike result field in the attribute information in the reference section Parameter value difference；And from preset attribute field with weight factor corresponding relation, obtain each attribute word The corresponding weight factor of section；And,
According to the weight factor for inquiring and calculated each difference, calculated by way of weighted sum First object section or the matching degree of the second target road section and the attribute information with reference to section；
Matching degree highest first object section is selected as the starting point section and matching degree highest the Two target road sections are used as terminal section.
16. devices according to claim 9, it is characterised in that the attribute information in the reference section Including the shape dot position information of the shape dot position information and terminal of the starting point in the reference section；
First matching module, specifically includes：
Second path determining unit, for the starting point in the reference section of acquisition as starting point, terminal is Destination；According to default target electronic map road net data, it is determined that from the starting point to the destination The second path；
Sampling unit, for putting point sampling in the enterprising line position in second path, obtains at least one sample bits Put a little, and obtain the positional information of each sampling location point at least one sampling location point；
Sampled point matching unit, for the positional information according to each sampled point, determines each sampled point Whether on the reference section；
Second mark acquiring unit, if the judged result for the sampled point matching unit is yes, by institute Section that the second path includes is stated as the target road section, and obtains the mark of the target road section.
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