CN106600956B - A kind of traffic information distribution method and device - Google Patents

A kind of traffic information distribution method and device Download PDF

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Publication number
CN106600956B
CN106600956B CN201510662698.8A CN201510662698A CN106600956B CN 106600956 B CN106600956 B CN 106600956B CN 201510662698 A CN201510662698 A CN 201510662698A CN 106600956 B CN106600956 B CN 106600956B
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section
target
mark
road
electronic map
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CN106600956A (en
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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 present invention relates to a kind of traffic information distribution method and devices, which comprises obtains the traffic information in the reference section obtained based on reference electronic map road net data, includes traffic state information in the traffic information；From described with reference in electronic map road net data, the attribute information with reference to section is obtained；The attribute information with reference to section is matched with the attribute information in the section in preset target electronic map road net data, obtains and refers to the matched section in section with described, using matched section as target road section, and obtain the mark of the target road section；It generates and carries the mark of the target road section and the difference traffic message of the traffic state information；The difference traffic message is sent to the application end using the target electronic map road net data.Hardware resource can be saved by means of the present invention, reduce consumption of the publication to hardware resource of traffic information.

Description

A kind of traffic information distribution method and device
Technical field
The present invention relates to traffic information technical field more particularly to a kind of traffic information distribution methods and device.
Background technique
It include the traffic state information in section in traffic information, traffic state information is used to indicate the prevailing state of road, Such as unimpeded, congestion, closing etc..User knows traffic state information when going on a journey, and user can be helped to understand road state And reasonable arrangement traffic path, therefore, traffic information plays important role in the daily trip of people.
Existing traffic information is to be handled by traffic information processing system and be distributed to terminal.Existing traffic information Processing system generally includes three links: Floating Car position data receives, Floating Car position data is handled, Traffic information demonstration, Wherein, Floating Car position data processing links are to be carried out based on a certain version electronic map road net data to Floating Car position data Processing, to obtain the traffic state information in each section in the version electronic map road net data.
In practical applications, since business demand is different, the update cycle for the electronic map data disposed on different business There are differences, some are updated frequent, some are updated slow, and therefore, there are dispose different versions in different services for contemporaneity The case where this electronic map road net data.Since the manufacture craft of the electronic map road net data of different editions has differences, Therefore, there can be the expression different problems with a road section in the electronic map road net data of different editions.Due to existing Floating car data processing links can only obtain the traffic state information in section in a certain version electronic map road net data, that is, It says, Traffic information demonstration link can only also issue the traffic information in section in this edition electronic map road net data, cannot issue it The traffic information in section in his version electronic map road net data.In view of same a road section is in the electronic map road network of different editions There are expression different problems in data, in order to the service distribution traffic to dispose different editions electronic map road net data Status information, the prior art are that the business of deployment different editions electronic map road net data disposes a set of traffic information processing respectively System, for example, the version of the electronic map road net data of the two service deployments is different, and the prior art needs there are two business Two sets of traffic information processing systems of corresponding configuration.It can be seen that the prior art solves as deployment different editions electronic map road network The scheme of data publication traffic information is there are at high cost, the problems such as hardware resource waste.
Summary of the invention
The object of the present invention is to provide a kind of traffic information distribution method and devices, existing to overcome in the related technology to overcome There is the publication of traffic information in technology at high cost, the problems such as hardware resource waste.
On the one hand, the present invention provides a kind of traffic information distribution method, comprising:
The traffic information in the reference section obtained based on reference electronic map road net data is obtained, is wrapped in the traffic information Include traffic state information；
From described with reference in electronic map road net data, the attribute information with reference to section is obtained；
The attribute in the section in the attribute information with reference to section and preset target electronic map road net data is believed Breath is matched, and is obtained and is referred to the matched section in section with described, using matched section as target road section, and obtains the mesh Mark the mark in section；
It generates and carries the mark of the target road section and the difference traffic message of the traffic state information；
The difference traffic message is sent to 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 the traffic in the reference section obtained based on reference electronic map road net data Information includes traffic state information in the traffic information；
Attribute information obtains module, for from described described with reference to section with reference to obtaining in electronic map road net data Attribute information；
First matching module, for by the attribute information with reference to section and preset target electronic map road net data In the attribute information in section matched, obtain and refer to the matched section in section with described, using matched section as target Section, and obtain the mark of the target road section；
Difference information generation module carries the mark of the target road section and the difference of the traffic state information for generating Divide traffic message；
Release module, for the difference traffic message to be sent to answering using the target electronic map road net data With end.
The present invention at least has the advantages that in the embodiment of the present invention, by obtaining based on reference to electronic map road The traffic information in the reference section that network data obtains, and based on reference to electronic map road net data and target electronic map road network number According to mapping relations, determined in target electronic map road net data with reference to the matched section in section, by matched section As target road section, and obtain the mark of the target road section；Later, the mark and the friendship for carrying the target road section are generated Lead to the difference traffic message of status information and is sent to the application end using target electronic map road net data.Pass through above-mentioned side Method, it is only necessary to a set of traffic information processing system is disposed, for determining with reference to the friendship for setting section in electronic map road net data Logical state, and to send traffic information using the application end of the electronic map road net data of different editions, so as to save into Sheet and hardware resource, reduce consumption of the publication to hardware resource of traffic information.
Detailed description of the invention
Fig. 1 is one of the exemplary process diagram of traffic information distribution method in the prior art in the embodiment of the present invention；
Fig. 2 is one of the schematic diagram in the embodiment of the present invention about complex node internal passageway；
Fig. 3 is two about the schematic diagram of complex node internal passageway in the embodiment of the present invention；
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 two of the exemplary process diagram of traffic information distribution method in the embodiment of the present invention；
Figure 11 is three of the exemplary process diagram of traffic information distribution method in the embodiment of the present invention；
Figure 12 is 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
The embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Based in the prior art, there are the electronic map road net datas that different editions are disposed in different services for contemporaneity Situation, the traffic information distribution method that embodiment provides to facilitate the understanding of the present invention first define two nouns here:
1, with reference to electronic map road net data: for one in the electronic map road net data of above-mentioned different editions；
2, target electronic map road net data: electronic map road network is referred to for removing in the electronic map of above-mentioned different editions The electronic map road net data of other versions except data.
The embodiment of the present invention provides a kind of traffic information distribution method, is obtained first in this method based on reference to electronic map The traffic information in the reference section that road net data obtains, and based on reference to electronic map road net data and target electronic map road network The mapping relations of data are determined in target electronic map road net data and refer to the matched section in section, by matched road Duan Zuowei target road section, and obtain the mark of the target road section；Later, the mark for carrying the target road section and described is generated The difference traffic message of traffic state information is simultaneously sent to application end using target electronic map road net data.
Pass through the above method, it is only necessary to dispose a set of traffic information processing system, refer to electronic map road network for determining The traffic behavior in section is set in data, and is believed to send traffic using the application end of the electronic map road net data of different editions Breath, so as to save the cost and hardware resource, reduces consumption of the publication to hardware resource of traffic information.
The traffic information distribution method in the embodiment of the present invention is described in detail below by simple embodiment.
Embodiment one
As shown in Figure 1, for a kind of exemplary process diagram of the traffic information distribution method provided in the embodiment of the present invention, it should Method the following steps are included:
Step 101: obtaining the traffic information in the reference section obtained based on reference electronic map road net data, the traffic It include traffic state information in information.
Wherein, the electronic map road net data of a certain version can be fixed as with reference to electronic map road net data.Example If the version of electronic map road net data has version 1, version 2 and version 3, which can select according to actual needs in actual use The electronic map road net data of a version, which is used as, refers to electronic map road net data, and the electronic map road net data of other versions Just target electronic map road net data is automatically become.Certainly, consider update cycle shortest electronic map and actual geographical letter Cease it is closest, can preferentially using update cycle most short (updating most frequent) electronic map road net data be used as refer to electronics Map road net data.
Wherein, section is the basic unit to form road, such as Jing Zang high speed is the longer road of route, can be incited somebody to action It is sectional section that high-speed cutting is hidden in capital, in order to indicate part road area in Jing Zang high speed.
Step 102: from described with reference in electronic map road net data, obtaining the attribute information with reference to section.
Step 103: by the section in the attribute information with reference to section and preset target electronic map road net data Attribute information matched, obtain with it is described refer to the matched section in section, using matched section as target road section, and obtain Take the mark of the target road section.
Step 104: generating and carry the mark of the target road section and the difference traffic message of the traffic state information.
Step 105: the difference traffic message is sent to the application end using the target electronic map road net data.
It wherein, is the operation executed for each target electronic map road net data in step 103 and step 104, and For different target electronic map road net datas, above-mentioned steps 103 and step 104 can be executed parallel.So as to same The respective difference traffic information of different target electronic map road net data can be generated in one time.
Wherein, difference traffic information can be generated by one of following two mode:
Mode one will set section unique identification replacement of the section in target electronic map road net data and believe with reference to traffic After section unique identification in breath, the difference traffic information for being directed to the target electronic map road net data is generated.
Mode two is extracted with reference to the traffic state information in traffic information, then by the traffic state information that extracts and is set Determine section unique identification of the section in target electronic map road net data, the difference for generating target electronic map road net data is handed over Communication breath.
For convenient for further understanding scheme provided in an embodiment of the present invention, in the following, believing the traffic in the embodiment of the present invention Breath dissemination method is described in detail:
One, wherein, in one embodiment, step 103 can execute as one of following two mode:
Mode 1),
Wherein, in one embodiment, the attribute information with reference to section includes at least shape point attribute information and base Plinth attribute information, the shape point include at least: the shape point of the starting point as reference section and the terminal as reference section Shape point；Then, step 103 can comprise the following steps that
Step A1: in the target electronic map road net data, determination is small at a distance from the starting point with reference to section In at least one first object section for being equal to the first pre-determined distance；And it determines at a distance from the terminal with reference to section Less than or equal at least one the second target road sections of the second pre-determined distance.
Wherein, in one embodiment, when it is implemented, in target electronic map, can be with reference to the starting point in section Benchmark determines at least one first object section in the first preset range for including the starting point.Wherein, first is pre- If range, such as using starting point as the border circular areas in the center of circle, or the rectangular area centered on starting point etc..
It similarly, is including the end on the basis of the terminal that section can be referred to when it is implemented, in target electronic map In first preset range of point, at least one the second target road section is determined.Wherein, the second preset range, such as with end Point is the border circular areas, or the rectangular area centered on terminal etc. in the center of circle.
Step A2: it is selected from least one first object section and the primary attribute information with reference to section The highest first object section of matching degree is as starting point section, and the hanging down in the starting point section by the starting point with reference to section Foot point is as target starting point.
Step A3: selection and the primary attribute information with reference to section from least one the second target road section Highest second target road section of matching degree is as terminal section, and the hanging down in the terminal section by the terminal with reference to section Foot point is as target endpoint.
Wherein, the execution sequence of step A2 and step A3 are unrestricted.
Step A4: it according to the target electronic map road net data, calculates from the target starting point to the target endpoint First path.
Step A5: using the section for including in the first path as the target road section, and the target road section is obtained Mark.
Wherein, in one embodiment, aforementioned base attribute information may include at least one of table 1 information.It needs What is illustrated is content of the table 1 only for illustration in the embodiment of the present invention, is not intended to limit the present invention, when actual implementation Primary attribute information can be set according to actual needs, as long as can be used in describing the primary attribute of road, the present invention couple This is without limitation.
1 primary attribute information table of table
Primary attribute information in table 1 for ease of understanding is below illustrated above-mentioned each primary attribute information, in which:
(1), roadclass (category of roads):
Roadclass be, for example, in electronic map road net data according to national standards or industry relevant criterion is by shape point The grade classification in the section at place is that highway, national highway, provincial highway, county road, township highway, village, counties and townships internal passageway, city are quick (road i.e. in city, the road center are equipped with dividing strip and with four or more lanes, for vehicle most fastly with the in road The speed of one preset threshold travels), main roads (for connecting the main line of each subregion (such as Haidian District, Xicheng District) i.e. in city, The main line is most travelled fastly with the speed of the second preset threshold based on communication function, for vehicle, wherein the second preset threshold is small In the first preset threshold), secondary road (undertakes the collecting and distributing effect of traffic of main roads Yu each by stages, has both clothes in city It is engaged in function, the road that is most travelled fastly with the speed of third predetermined threshold value for vehicle, wherein third predetermined threshold value is pre- less than second If threshold value), ordinary road-A (in city connect secondary road and neighbour road road, the road based on service function, for The road that vehicle is most travelled fastly with the speed of the 4th preset threshold, wherein the 4th preset threshold is less than third predetermined threshold value), it is non- Navigation road (the preset road for being not used in navigation and calculating) etc..
Wherein, each category of roads is indicated with a grade point.For example, the corresponding grade point of national highway is 1, it is non-to lead The corresponding grade point in navigation channel road is 10.
(2) and Formway (classification of road):
Formway be, for example, in electronic map road net data according to national standards or industry relevant criterion will be where shape point Section classification are as follows: main road, overhead, rotary island, relief road, ring road (A), ring road (B), exports, enters complex node internal passageway Mouth, right-hand rotation special lane, left-hand rotation special lane, ordinary road-B, left/right rotation special lane etc., and each classification of road has one Classification value.Wherein:
About main road: referring to the road for being divided into uplink and downlink in order to be capable of two way.
About complex node internal passageway: for example as shown in Fig. 2, sharing three roads in Fig. 2 is respectively L1, L2 and L3, Wherein the driving direction of L1 and the driving direction of L2 on the contrary, and L3 runs through L1 and L2, and meet at two o'clock A and B respectively with L1 and L2, Section between so point AB is a kind of complex node internal passageway.
In addition, complex node internal passageway shares two road (D1 and D2) and stretch section as shown in figure 3, in Fig. 3 (section between point C and point E), wherein the driving direction of road D1 and D2 on the contrary, and the section CE for linking-up road D1 and D2, and for vehicle turn around between road D1 and D2 using.
About relief road: referring to the road in service area.
About bypass: as shown in figure 4, referring to overhead surrounding and the road of overhead parallel close proximity to ground.
About ring road (A): in t type (or y type) interchange, super expressway definition is served as theme, secondary road definition For lead, ring road (A) can indicate the road of connecting lead wire Yu main line intercommunication, as shown in Figure 5.Ring road (A) can also indicate to connect The road of secondary road and secondary road intercommunication.
About ring road (B): in interchange, ring road (B) indicates JCT road (road between connection main line and main line) With the intersection (road between such as midpoint Fig. 6 Y1 and point Y2) of ring road (A).
About right-hand rotation special lane (A) and right-hand rotation special lane (B): being merely able to one direction row as shown in fig. 7, existing in practical The right-hand rotation special lane sailed, this only can one direction traveling right-hand rotation special lane be divided into two types, such as the A type and Type B in Fig. 7.Therefore This, in table 1, exist it is corresponding with A type about right-hand rotation special lane (A), it is corresponding with Type B about right-hand rotation special lane (B).But In actual use, right-hand rotation special lane (A) and right-hand rotation special lane (B) respective classification value can unify setting according to actual needs and be Can, i.e., except classification value shown in table 1, the classification value of right-hand rotation special lane (A) can also be set to 12, and the special lane that will turn right (B) classification value is set as 11, as long as which is not limited by the present invention by the unified setting of agreement.
About left-hand rotation special lane (A) and left-hand rotation special lane (B): being merely able to one direction row as shown in figure 8, existing in practical The left-hand rotation special lane sailed, this only can one direction traveling left-hand rotation special lane be divided into two types, such as the A type and Type B in Fig. 8.Therefore This, in table 1, exist it is corresponding with A type about left-hand rotation special lane (A), it is corresponding with Type B about left-hand rotation special lane (B).But In actual use, left-hand rotation special lane (A) and left-hand rotation special lane (B) respective classification value can unify setting according to actual needs and be Can, i.e., except classification value shown in table 1, the classification value of left-hand rotation special lane (A) can also be set to 14, and the special lane that will turn left (B) classification value is set as 13, as long as which is not limited by the present invention by the unified setting of agreement.
About left/right rotation special lane: practical to there is the left and right that travelled with twocouese in the middle as shown in the road A in Fig. 9 Turn special lane, i.e., can both be turned right by the road to road 2, can also be turned left by the road to road by road 2 by road 1 Road on road 1.
About ordinary road-B: refer to except main road, complex node internal passageway, overhead, rotary island, relief road, ring road (A), Other roads except ring road (B), outlet, entrance, right-hand rotation special lane, left-hand rotation special lane, left/right rotation special lane.
(3), the corresponding angle of shape point: in electronic map road net data, it is corresponding that every road can also contain each shape point Angle.
For each shape point, the corresponding angle of the shape point is for describing road in the corresponding shape point of the angle Extending direction angle.Wherein, extend at shape point A along 30 ° of inclined direct north about extending direction angle, such as section, then angle 30 ° of degree are extending direction angle.Wherein, in one embodiment, for any shape point, the corresponding angle of the shape point can root It calculates and obtains according to following methods, specifically, the following steps are included:
Step B1: for any shape point, a reference point is determined from the section where the shape point.
Step B2: the angle for calculating the shape point to the direction of the reference point, between preset direction；By calculating Angle is as the corresponding angle of the shape point.
Wherein, in one embodiment, preset direction, any one of e.g. following direction: direct north, Due South To, due east direction, due west direction, 45 ° of east by north direction, the 45 ° of directions in east by south etc..Any preset direction is suitable for this hair Bright embodiment, which is not limited by the present invention.
Wherein, in one embodiment, in step bl is determined, the reference point can be determined according to following methods, specifically, packet Include the following contents:
A), when the terminal in the section where the shape point is not the shape point, in the shape point and the shape On section between the terminal in the section where shape point, first object point is searched, so that first object point and the shape The length in the section where the shape point between point is preset length；
If finding the first object point, the first object point is the reference point, otherwise, by the shape point The terminal in the section at place is as the reference point.
B), the section when terminal in the section where the shape point is the shape point, where the shape point Upper the second target point of determination, so that the shape between the terminal in the section where second target point and the shape point The length in the section where point is preset length；
If finding second target point, second target point is the reference point, otherwise, by the shape point The starting point in the section at place is as a reference point.
(4), distance of the shape point apart from next shape point: where in one embodiment, shape point is apart from next shape The distance of point can be the linear distance of two shape points, be also possible to the road section length that two shape points intercept on section.
Wherein, in one embodiment, after understanding above-mentioned primary attribute information, step A2 may include following step It is rapid:
Step C1: for each first object section at least one first object section, the section is calculated With the difference of the parameter value of same alike result field in the attribute information with reference to section；And from preset attribute field and weight In factor corresponding relationship, the corresponding weight factor of each attribute field is obtained.
Step C2: it according to the weight factor inquired and each difference being calculated, counts by weighted summation Calculate the matching degree in first object section and the attribute information with reference to section；
Step C3: select the highest first object section of matching degree as the starting point section.
Similarly with step A2, step A3 may comprise steps of:
Step D1: for the second target road section of each at least one the second target road section, the section is calculated With the difference of the parameter value of same alike result field in the attribute information with reference to section；And from preset attribute field and weight In factor corresponding relationship, the corresponding weight factor of each attribute field is obtained.
Step D2: it according to the weight factor inquired and each difference being calculated, counts by weighted summation Calculate the matching degree of the second target road section and the attribute information with reference to section.
Step D3: select highest second target road section of matching degree as terminal section.
In the following, be illustrated by taking step C1- step C3 as an example for calculating the method for matching degree of primary attribute information, It is specific: be directed to each first section, can first determine the starting point for referring to section to the intersection point point in first section, then basis Following matching degree formula calculates the matching degree of primary attribute information, shown in the formula such as formula (1):
pi=λ1·di+λ2·ci+λ3·ei+λ4·fi+λ5·gi (1)
Wherein in formula (1): piIndicate the matching degree of primary attribute information；diIndicate the starting point with reference to section to intersection point The distance of point i；ciIndicate the difference of the grade point in the section between the starting point and intersection point point i with reference to section；eiIt indicates to refer to section Starting point and intersection point point i between section classification value difference；fiIndicate the next shape of distance of the starting point with reference to section Distance, the difference between the distance of next shape point at a distance from intersection point point i of point；giIndicate the starting point with reference to section Differential seat angle between corresponding angle, angle corresponding with intersection point point i.
Certainly, when it is implemented, can also increase or delete the primary attribute information for participating in calculating in formula (1), the present invention It does not limit this.
It is identical as step A2's for the method for calculating the matching degree of primary attribute information in step A3, it is no longer superfluous herein It states.
Wherein, it should be noted that in the electronic map road net data of each version, each section by limited quantity shape Point indicates, so, with having interval between the shape point and shape point of a road section, so, may above-mentioned intersection point point be likely located at phase Between two adjacent shape points, in this way, the possible not stored attribute information for having the intersection point point in electronic map, then can be by distance Intersection point point is considered as intersection point point apart from nearest shape point.
Wherein, in one embodiment, when it is implemented, step A2 can also be executed are as follows: be directed to each first object road Section first can calculate the first object section according to roadclass and Formway and with reference to the matching degree in section, then, then select Select the first object section (for example, selection matching degree highest and secondary high first object section) of the matching degree of preset level.So Afterwards, in the intersection point point in each first object section for determining starting point and selection, and according to the corresponding angle of intersection point point, intersection point point distance The distance of next shape point, the matching degree of zequin and each intersection point point finally select the highest intersection point point of matching degree as mesh Mark starting point.
According to same processing mode, select with the highest intersection point point of terminal matching degree with reference to section as target end Point.
In short, being suitable for implementation of the present invention according to the method that primary attribute information determines target starting point and target endpoint Example, which is not limited by the present invention.
Wherein, in one embodiment, the first path in step A4 can be target starting point to road between target endpoint The shortest paths of diameter, be also possible to according to prerequisite determine first path, the prerequisite be, for example, and reference arm Section roadclass is identical and/or the identical paths of Formway.
Wherein, in one embodiment, due to reconstruction of road etc., the section that includes in first path can more than one Item, in order to accurately determine, which section is that target road section can also include before executing step A5 in first path at this time Following steps:
Step E1: whether the item number for judging the section that the first path includes is 1.
Step E2: if the judging result of step E1 be it is yes, execute using the section for including in the first path as institute Target road section is stated, and the step of obtaining the mark of the target road section.
Step E3: if the judging result of step E1 be it is no, calculate length of the starting point section in the first path Whether the ratio of degree and the total length in the starting point section, judge the ratio less than the first default ratio；If so, from described The starting point section is deleted in one path；And
Calculate the ratio of the total length in length of the terminal section in the first path and the terminal section；And Judge the ratio whether less than the first default ratio；If so, deleting the terminal section from the first path.
Wherein, in one embodiment, when it is implemented, the first default ratio, which can be set to one, is more than or equal to 50% Value.In this way, for example, when length of the starting point section in the first path and the ratio of the total length in the starting point section are big When being equal to 50%, illustrate that starting point section is largely included in first path, then starting point section can be considered as a target Section.And when the ratio of length of the starting point section in the first path and the total length in the starting point section is only 10% When, illustrate that starting point section only has sub-fraction in first path, in this way, it is not conform to that starting point section, which is considered as a target road section, Reason, so, starting point section should be deleted from first path.Similarly, terminal section is handled in the same way.
In this way, passing through, above-mentioned steps E1- step E3 can reject the section of not target road section, to guarantee to determine mesh Mark the accuracy in section.
Wherein, in one embodiment, for the ease of determining whether first path is the path comprising target road section, so as to In the accuracy for improving determining target road section, the embodiment of the present invention, before executing step A5, described first can also be determined The ratio of the total length in path and the total length with reference to section executes step if ratio is more than or equal to the second default ratio Rapid A5.Second default ratio can be set to a biggish value, such as 90%.In this way, illustrating first path and with reference to section It is more nearly.Can further illustrate first path is and the matched path in reference section.It is thus possible to determine in first path Including section be target road section.
Mode 2),
Wherein, in one embodiment, the attribute information with reference to section includes the shape of the starting point with reference to section The shape dot position information of shape dot position information and terminal；Then, step 103 may comprise steps of:
Step F1: using the starting point with reference to section of acquisition as starting point, terminal is destination；According to preset target Electronic map road net data determines the second path from the starting point to the destination.
Step F2: point sampling is set in the enterprising line position in the second path, obtains at least one sampling location point, and obtain institute State the location information of each sampling location point at least one sampling location point.
Step F3: according to the location information of each sampled point, determine each sampled point whether described with reference to section On.
Step F4: if the judging result of step F3 be it is yes, using the section for including in second path as the mesh Section is marked, and obtains the mark of the target road section.
Two, wherein, in one embodiment, between the electronic map road net data of different editions, some sections are that do not have Variation, and the section for not changing executes aforesaid way 1) and mode 2) determine target road section, it is clear that it can reduce true Set the goal section, generates the efficiency of difference traffic information, so, in the embodiment of the present invention, in order to simplify operation, improve final true Set the goal the efficiency in section, after executing step 102, can with the following steps are included:
Step G1: judge in the target electronic map road net data with the presence or absence of identical as the mark with reference to section Section.
Step G2: if the judging result of step G1 be it is no, then follow the steps 103.
Step G3: if the judging result of step G1 be it is yes, according to the attribute information with reference to section, judge the mesh Mark in electronic map road net data with the geographical location in the identical section of mark with reference to section and/or road section length whether Matching.
Step G4: if the judging result of step G3 is to mismatch, 103 are thened follow the steps；If the judging result of G3 is matching, Then determine the target road section is identified as the mark with reference to section, and executes step 104.
In this way, when reference section does not change in target electronic map road net data, it can be to avoid employing mode 1) and mode 2) method carry out section matching, but a small amount of operation of G1- step G4 and a small amount of parameter through the above steps (geographical location and/or road section length) can accurately determine target road section, so as to quickly obtain target road section Mark, in order to generate and issue difference traffic information.
Three, wherein, in one embodiment, can be marked in advance convenient for generating and issuing difference traffic information next time Know correspondence set, includes identifying and the corresponding relationship of the mark of corresponding target road section with reference to section in the set.
In this way, before generating and issuing difference traffic information, can first search in preset correspondence set whether There are the corresponding target road section marks of the mark in reference section, and if it exists, then can be omitted step 102- step 103, accelerates life At the efficiency with publication difference traffic information.Specifically, for this purpose, can also judge preset mark before step 102 Know the mark that whether there is target road section corresponding with the mark with reference to section in correspondence set, and if it exists, then hold Row step 104 thens follow the steps 102, and after executing step 103 if it does not exist, can also be by the mark with reference to section Know and is added in the preset mark correspondence set with the corresponding relationship of the mark of the target road section obtained, so as to Difference traffic information is generated and issued next time.
Wherein, above-mentioned mark correspondence set can be as shown in table 2: each section is stored in table 2 in different editions Section mark in electronic map road net data；Road section ID 1, road section ID 2 in table 2 in the first row ..., road section ID n indicate same Section mark of a road section in different editions electronic map.
In this way, regardless of which version electronic map road net data be used as with reference to electronic map road net data can be from table 2 Corresponding relationship in search refer to target road section of the section in target electronic map road net data mark.
Table 2 identifies correspondence set
As a result, by mark correspondence set, it can be realized and quickly determine setting section in target electronic map road network The mark of target road section in data, thus further generate difference traffic information, compared with the prior art in by repeat determine The traffic information of target electronic map road net data can be sent to using target electricity by the method for traffic state information faster The application end of sub- map road net data can improve the efficiency for sending traffic information while saving hardware resource.
Wherein, in one embodiment, the electronic map road net data of different editions needs the update cycle according to oneself It is updated, therefore, in above-mentioned mark correspondence set, with reference to the mark and mesh in the reference section of electronic map road net data The corresponding relationship of the mark of target road section in mark electronic map road net data may change.It is closed so mark is corresponding Assembly conjunction needs to constantly update.To ensure the accuracy of the corresponding relationship in correspondence set, handed over to improve and generate difference Communicate the accuracy of breath.
So in the embodiment of the present invention, in mark correspondence set, for any corresponding relationship, if the correspondence is closed The mark of the target road section of target electronic map road net data in system is not used for generating difference traffic information in preset duration When, then delete the corresponding relationship.In this way, the corresponding relationship of the mark with reference to the mark and target road section in section, it can be next time It generates and is redefined when issuing difference traffic information, and be added in correspondence set, realizing ensures corresponding relationship Accuracy.Wherein, preset duration is the digestion period of corresponding relationship, can be the most short update week of electronic map road net data Phase.In addition, the traffic information of the electronic map road net data of a version also has release cycle, such as at interval of preset period of time Publication is primary, and predetermined period can also determine which is not limited by the present invention according to the release cycle of traffic information.
In conclusion in the embodiment of the present invention, by referring to the reference section in electronic map road net data according to reference And this refers to the traffic information in section, can generate and issue the difference traffic information in target electronic map road net data. Realize that only needing to dispose a set of traffic information processing system can be answering using the electronic map road net data of different versions It is middle compared with the existing technology to use the method energy for covering traffic information processing system distributing traffic informations with end distributing traffic information more Enough save hardware resource.
Embodiment two
Below for first determining whether to change with reference to section, to the traffic information distribution method in the embodiment of the present invention It is described in detail, as shown in Figure 10, method includes the following steps:
Step 1001: obtaining the traffic information in the reference section obtained based on reference electronic map road net data, the friendship It include traffic state information in communication breath.
Step 1002: from described with reference in electronic map road net data, obtaining the attribute information with reference to section.
Step 1003: judging to whether there is and the mark phase with reference to section in the target electronic map road net data Same section, if executing step 1004, if it is not, executing step 1006.
Step 1004: according to the attribute information with reference to section, judge in the target electronic map road net data with Whether the geographical location in the identical section of mark with reference to section and/or road section length match；If matching, thens follow the steps 1005, if mismatching, then follow the steps 1006.
Step 1005: determine the target road section is identified as the mark with reference to section, later, executes step 1007。
Step 1006: by the section in the attribute information with reference to section and preset target electronic map road net data Attribute information matched, obtain with it is described refer to the matched section in section, using matched section as target road section, and obtain Take the mark of the target road section.
Wherein, the execution method of step 1006 is described in detail in example 1, and details are not described herein.
Step 1007: generating and carry the mark of the target road section and the difference traffic message of the traffic state information.
Step 1008: the difference traffic message is sent to the application using the target electronic map road net data End.
In the embodiment of the present invention, when reference section does not change in target electronic map road net data, it can keep away Exempt from using mode 1 in embodiment one) and mode 2) method progress section matching, so as to quickly obtain target road section Mark, in order to generate and issue difference traffic information.
Embodiment three
Below for searching and identify correspondence set, the traffic information distribution method in the embodiment of the present invention is carried out It is described in detail, as shown in figure 11, method includes the following steps:
Step 1101: obtaining the traffic information in the reference section obtained based on reference electronic map road net data, the friendship It include traffic state information in communication breath.
Step 1102: searching in preset correspondence set with the presence or absence of the corresponding target road section of mark with reference to section Mark；If it does not exist, step 1103 is executed；If it exists, step 1105 is executed.
Step 1103: the attribute information with reference to section is obtained with reference in electronic map road net data from described, it Afterwards, step 1104 is executed.
Step 1104: by the section in the attribute information with reference to section and preset target electronic map road net data Attribute information matched, obtain with it is described refer to the matched section in section, using matched section as target road section, and obtain Take the mark of the target road section.
Wherein, the execution method of step 1104 is described in detail in example 1, and details are not described herein.
It wherein, in one embodiment, can also be by the mark and target road section in reference section after executing step 1104 Mark corresponding relationship be added to mark correspondence set in, in order to next time generate and publication difference traffic information when It uses.
Step 1105: generating and carry the mark of the target road section and the difference traffic message of the traffic state information.
Step 1106: the difference traffic message is sent to the application using the target electronic map road net data End.
In the embodiment of the present invention, by identifying correspondence set, it can be realized and quickly determine setting section in target electricity The mark of target road section in sub- map road net data, thus further generate difference traffic information, compared with the prior art in lead to Can faster the traffic information of target electronic map road net data be sent to by crossing the method for repeating to determine traffic state information Using the application end of target electronic map road net data, it can improve while saving hardware resource and send traffic information Efficiency.
Example IV
Below in the mode 1 in embodiment one) determine with reference to section target road section mark for, to the present invention implement Traffic information distribution method in example is described in detail, as shown in figure 12, method includes the following steps:
Step 1201: obtaining the traffic information in the reference section obtained based on reference electronic map road net data, the friendship It include traffic state information in communication breath.
Step 1202: from described with reference in electronic map road net data, obtaining the attribute information with reference to section；It is described It include shape point attribute information and primary attribute information in attribute information, the shape point includes at least: as reference section The shape point of the shape point of starting point and the terminal as reference section.
Step 1203: in the target electronic map road net data, determining at a distance from the starting point with reference to section Less than or equal at least one first object section of the first pre-determined distance；And it is determining with the terminal with reference to section away from From at least one the second target road sections for being less than or equal to the second pre-determined distance.
Step 1204: for the first mesh of each at least one first object section or in the second target road section Section or the second target road section are marked, the parameter value of same alike result field in the section and the attribute information with reference to section is calculated Difference；And from preset attribute field and weight factor corresponding relationship, the corresponding weight factor of each attribute field is obtained.
Step 1205: according to the weight factor inquired and each difference being calculated, by weighted summation Calculate the matching degree of first object section or the second target road section and the attribute information with reference to section.
Step 1206: selecting the highest first object section of matching degree highest as the starting point section and matching degree Second target road section is as terminal section.
Step 1207: using the starting point with reference to section the starting point section intersection point point as target starting point, and will The terminal with reference to section the terminal section intersection point point as target endpoint；According to the target electronic map road network Data calculate the first path from the target starting point to the target endpoint.
Step 1208: judging the total length of first path and the ratio of the total length with reference to section, if be more than or equal to the Two default ratios；If more than execution step 1209, if it is not, then end operation.
Step 1209: whether the item number for judging the section that the first path includes is 1；If it is not, step 1210 is executed, if It is to execute step 1211.
Step 1210: calculating the total length of the starting point section length in the first path and the starting point section Ratio, judge the ratio whether less than the first default ratio；If so, deleting the starting point road from the first path Section；And calculate the ratio of the total length in length of the terminal section in the first path and the terminal section；And Judge the ratio whether less than the first default ratio；If so, deleting the terminal section from the first path.
Step 1211: using the section for including in the first path as the target road section, and obtaining the target road The mark of section.
Step 1212: generating and carry the mark of the target road section and the difference traffic message of the traffic state information.
Step 1213: the difference traffic message is sent to the application using the target electronic map road net data End.
In the embodiment of the present invention, the traffic letter in the reference section obtained based on reference electronic map road net data is obtained first Breath, and the mapping relations based on reference electronic map road net data and target electronic map road net data, in target electronic map It determines using matched section as target road section, and to obtain the target with reference to the matched section in section in road net data The mark in section；Later, the difference traffic message of the mark and the traffic state information that carry the target road section is generated simultaneously It is sent to the application end using target electronic map road net data.Pass through the above method, it is only necessary to dispose at a set of traffic information Reason system, for determining with reference to the traffic behavior for setting section in electronic map road net data, and to use the electricity of different editions The application end of sub- map road net data, which sends traffic information, reduces traffic information so as to save the cost and hardware resource Issue the consumption 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, as shown in figure 13, The device includes:
Traffic information acquisition module 1301, for obtaining the reference section obtained based on reference electronic map road net data Traffic information includes traffic state information in the traffic information；
Attribute information obtains module 1302, for, with reference in electronic map road net data, obtaining the reference arm from described The attribute information of section；
First matching module 1303, for by the attribute information with reference to section and preset target electronic map road network The attribute information in the section in data is matched, obtain with it is described refer to the matched section in section, using matched section as Target road section, and obtain the mark of the target road section；
Difference information generation module 1304, for generating the mark for carrying the target road section and the traffic state information Difference traffic message；
Release module 1305 uses the target electronic map road net data for the difference traffic message to be sent to Application end.
Wherein, in one embodiment, described device further include:
First judgment module obtains module from described with reference in electronic map road net data for the attribute information, obtains After taking the attribute information with reference to section, judge to whether there is and the reference in the target electronic map road net data The identical section of the mark in section；
First execution module, if the judging result for the judgment module be it is no, trigger first matching module Execute by the attribute information in the section in the attribute information with reference to section and preset target electronic map road net data into The step of row matching；
Second execution module, if the judging result for the judgment module be it is yes, according to the category with reference to section Property information, judge the geographical location in the target electronic map road net data with the identical section of mark with reference to section And/or whether road section length matches；
Processing module triggers first matching if the judging result for second execution module is to mismatch Module, which executes, believes the attribute in the section in the attribute information with reference to section and preset target electronic map road net data The step of breath is matched；If the judging result of second execution module is matching, it is determined that the mark of the target road section For the mark with reference to section, and triggers the difference information generation module and execute described generate and carry the target road section The step of difference traffic message of mark and the traffic state information.
Wherein, in one embodiment, described device further include:
Determining module obtains module from described with reference in electronic map road net data for the attribute information, obtains institute Before stating the attribute information with reference to section, determines in preset mark correspondence set and be not present and the mark with reference to section Know the mark of corresponding target road section, the target road section is the section in the target electronic map road net data；
Corresponding relationship update module for first matching module using matched section as target road section, and obtains After the mark of the target road section, by the pass corresponding with the mark of the target road section obtained of the mark with reference to section System is added in the preset mark correspondence set.
Wherein, in one embodiment, the attribute information with reference to section includes at least shape point attribute information and base Plinth attribute information, the shape point include at least: the shape point of the starting point as reference section and the terminal as reference section Shape point；
First matching module, specifically includes:
Target road section acquiring unit, in the target electronic map road net data, determination to refer to section with described Starting point distance be less than or equal to the first pre-determined distance at least one first object section；And the determining and reference arm The distance of the terminal of section is less than or equal at least one the second target road sections of the second pre-determined distance；
Target starting point and terminal determination unit, for the selection from least one first object section and the reference The highest first object section of the matching degree of the primary attribute information in section as starting point section, and by it is described with reference to section rise The intersection point point in the starting point section is put as target starting point；And；From at least one the second target road section selection with Highest second target road section of matching degree of the primary attribute information with reference to section is as terminal section, and by the reference The terminal in section the terminal section intersection point point as target endpoint；
First path determination unit, for calculating from the target starting point according to the target electronic map road net data To the first path of the target endpoint；
First identifier acquiring unit, the section for that will include in the first path are obtained as the target road section Take the mark of the target road section.
Wherein, in one embodiment, described device further include:
Second judgment module, for the first identifier acquiring unit using the section for including in the first path as institute State target road section, and before obtaining the mark of the target road section, judge the section that the first path includes item number whether It is 1；
Third execution module, if the judging result for second judgment module be it is yes, trigger the first identifier Acquiring unit is executed using the section for including in the first path as the target road section, and obtains the mark of the target road section The step of knowledge；
4th execution module, if the judging result for second judgment module be it is no, calculate the starting point section The ratio of the total length of length and the starting point section in the first path judges whether the ratio is default less than first Ratio；If so, deleting the starting point section from the first path；And the terminal section is calculated described first The ratio of the total length of length and the terminal section in path；And judge the ratio whether less than the first default ratio；If It is that the terminal section is then deleted from the first path.
Wherein, in one embodiment, described device further include:
5th execution module, for the first identifier acquiring unit using the section for including in the first path as institute State target road section, and before obtaining the mark of the target road section, determine the first path total length and the reference arm The ratio of the total length of section triggers the first identifier acquiring unit and executes institute if ratio is more than or equal to the second default ratio The section that will include in the first path is stated as the target road section, and the step of obtaining the mark of the target road section.
Wherein, in one embodiment, the target starting point and terminal determination unit, are specifically used for:
For at least one first object section or in the second target road section each first object section or Second target road section calculates the difference of the parameter value of same alike result field in the section and the attribute information with reference to section； And from preset attribute field and weight factor corresponding relationship, the corresponding weight factor of each attribute field is obtained；And
According to the weight factor inquired and each difference being calculated, the first mesh is calculated by weighted summation Mark the matching degree of section or the second target road section and the attribute information with reference to section；
Select the highest first object section of matching degree as the starting point section and highest second target of matching degree Section is as terminal section.
Wherein, in one embodiment, the attribute information with reference to section includes the shape of the starting point with reference to section The shape dot position information of shape dot position information and terminal；
First matching module, specifically includes:
Second path determining unit, for the starting point with reference to section using acquisition as starting point, terminal is destination； According to preset target electronic map road net data, the second path from the starting point to the destination is determined；
Sampling unit obtains at least one sampling location point for setting point sampling in the enterprising line position in the second path, and Obtain the location information of each sampling location point at least one described sampling location point；
Sampled point matching unit, for the location information according to each sampled point, determine each sampled point whether On the reference section；
Second identifier acquiring unit, if the judging result for the sampled point matching unit be it is yes, by described second The section for including in path obtains the mark of the target road section as the target road section.
Traffic information issuing device provided in an embodiment of the present invention is based on obtaining with reference to electronic map road net data by obtaining The traffic information in the reference section arrived, and the mapping based on reference electronic map road net data and target electronic map road net data Relationship is determined in target electronic map road net data and refers to the matched section in section, using matched section as target Section, and obtain the mark of the target road section；Later, the mark for carrying the target road section and traffic behavior letter are generated The difference traffic message of breath is simultaneously sent to application end using target electronic map road net data.Pass through the above method, it is only necessary to A set of traffic information processing system is disposed, for determining with reference to the traffic behavior for setting section in electronic map road net data, and To use the application end of the electronic map road net data of different editions to send traffic information, provided so as to save the cost and hardware Source reduces consumption of the publication to hardware resource of traffic information.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method Embodiment in be described in detail, no detailed explanation will be given here.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (14)

1. a kind of traffic information distribution method, which is characterized in that the described method includes:
The traffic information in the reference section obtained based on reference electronic map road net data is obtained, includes handing in the traffic information Logical status information；
From described with reference in electronic map road net data, the attribute information with reference to section is obtained；
By the attribute information in the section in the attribute information with reference to section and preset target electronic map road net data into Row matching obtains and refers to the matched section in section with described, using matched section as target road section, and obtains the target road The mark of section；
It generates and carries the mark of the target road section and the difference traffic message of the traffic state information；
The difference traffic message is sent to the application end using the target electronic map road net data；
Wherein, the attribute information with reference to section includes the shape dot position information and terminal of the starting point with reference to section Shape dot position information；
The attribute by the section in the attribute information with reference to section and preset target electronic map road net data is believed Breath is matched, and is specifically included:
Using the starting point with reference to section of acquisition as starting point, terminal is destination；According to preset target electronic map road Network data determines the second path from the starting point to the destination；
Set point sampling in the enterprising line position in the second path, obtain at least one sampling location point, and obtain it is described at least one The location information of each sampling location point in the point of sampling location；
According to the location information of each sampling location point, determine each sampling location point whether on the reference section；
If so, using the section for including in second path as the target road section, and obtain the mark of the target road section Know.
2. being obtained the method according to claim 1, wherein described refer in electronic map road net data from described After taking the attribute information with reference to section, the method also includes:
Judge in the target electronic map road net data with the presence or absence of section identical with the mark with reference to section；
If it is not, then executing the section in the attribute information with reference to section and preset target electronic map road net data The step of attribute information is matched；
If so, according to the attribute information with reference to section, judge in the target electronic map road net data with the ginseng Whether the geographical location and/or road section length for examining the identical section of mark in section match；
If mismatching, execute the road in the attribute information with reference to section and preset target electronic map road net data The step of attribute information of section is matched；If matching, it is determined that the target road section is identified as the mark with reference to section Know, and executes the step of the difference traffic message of the mark and the traffic state information for generating and carrying the target road section Suddenly.
3. method according to claim 1 or 2, which is characterized in that it is described from the reference electronic map road net data, Before obtaining the attribute information with reference to section, the method also includes:
Determine the mark that target road section corresponding with the mark with reference to section is not present in preset mark correspondence set Know, the target road section is the section in the target electronic map road net data；
It is described using matched section as target road section, and after obtaining the mark of the target road section, the method also includes:
The corresponding relationship of the mark of the target road section of the mark and acquisition with reference to section is added to described preset It identifies in correspondence set.
4. the method according to claim 1, wherein the attribute information with reference to section includes at least shape point Attribute information and primary attribute information, the shape point include at least: the shape point of the starting point as reference section and as ginseng Examine the shape point of the terminal in section；
The method also includes:
In the target electronic map road net data, determines and be less than or equal to first at a distance from the starting point with reference to section in advance If at least one first object section of distance；And it determines and is less than or equal to second at a distance from the terminal with reference to section At least one the second target road sections of pre-determined distance；
The matching degree highest with the primary attribute information with reference to section is selected from least one first object section First object section as starting point section, and using the starting point with reference to section the starting point section intersection point point as mesh Mark starting point；And；
The matching degree highest of selection and the primary attribute information with reference to section from least one the second target road section The second target road section as terminal section, and using the terminal with reference to section the terminal section intersection point point as mesh Mark terminal；
According to the target electronic map road net data, the first path from the target starting point to the target endpoint is calculated；
Using the section for including in the first path as the target road section, and obtain the mark of the target road section.
5. according to the method described in claim 4, it is characterized in that, described using the section for including in the first path as institute Target road section is stated, and before obtaining the mark of the target road section, the method also includes:
Whether the item number for judging the section that the first path includes is 1；
If so, executing using the section for including in the first path as the target road section, and obtain the target road section Mark the step of；
If it is not, then calculating the ratio of the total length in length of the starting point section in the first path and the starting point section Whether value, judge the ratio less than the first default ratio；If so, deleting the starting point section from the first path；With And
Calculate the ratio of the total length in length of the terminal section in the first path and the terminal section；And judge Whether the ratio is less than the first default ratio；If so, deleting the terminal section from the first path.
6. according to the method described in claim 4, it is characterized in that, described using the section for including in the first path as institute Target road section is stated, and before obtaining the mark of the target road section, the method also includes:
The total length of the first path and the ratio of the total length with reference to section are determined, if ratio is more than or equal to second in advance If ratio, then execute described using the section for including in the first path as the target road section, and obtains the target road The step of mark of section.
7. according to method described in any claim in claim 4-6, which is characterized in that from least one the first mesh Mark the highest first object section of matching degree of selection and the attribute information with reference to section in section or the second target road section As highest second target road section in starting point section or matching degree as terminal section, specifically include:
For each first object section or second at least one first object section or in the second target road section Target road section calculates the difference of the parameter value of same alike result field in the section and the attribute information with reference to section；And from In preset attribute field and weight factor corresponding relationship, the corresponding weight factor of each attribute field is obtained；And
According to the weight factor inquired and each difference being calculated, first object road is calculated by weighted summation The matching degree of section or the second target road section and the attribute information with reference to section；
Select the highest first object section of matching degree as the starting point section and highest second target road section of matching degree As terminal section.
8. a kind of traffic information issuing device, which is characterized in that described device includes:
Traffic information acquisition module, the traffic for obtaining the reference section obtained based on reference electronic map road net data are believed It ceases, includes traffic state information in the traffic information；
Attribute information obtains module, for, with reference in electronic map road net data, obtaining the attribute with reference to section from described Information；
First matching module, for will be in the attribute information with reference to section and preset target electronic map road net data The attribute information in section is matched, and is obtained and is referred to the matched section in section with described, using matched section as target road section, And obtain the mark of the target road section；
Difference information generation module, for generating the mark and the difference friendship of the traffic state information that carry the target road section Logical message；
Release module, for the difference traffic message to be sent to the application using the target electronic map road net data End.
9. device according to claim 8, which is characterized in that described device further include:
First judgment module obtains module from described with reference in electronic map road net data for the attribute information, obtains institute After stating the attribute information with reference to section, judge to refer to section with the presence or absence of with described in the target electronic map road net data The identical section of mark；
First execution module, if the judging result for the judgment module be it is no, trigger first matching module and execute By the attribute information progress in the section in the attribute information with reference to section and preset target electronic map road net data With the step of；
Second execution module, if the judging result for the judgment module be it is yes, believed according to the attribute with reference to section Breath, judge in the target electronic map road net data with the geographical location in the identical section of mark with reference to section and/ Or whether road section length matches；
Processing module triggers first matching module if the judging result for second execution module is to mismatch Execute by the attribute information in the section in the attribute information with reference to section and preset target electronic map road net data into The step of row matching；If the judging result of second execution module is matching, it is determined that the target road section is identified as institute The mark with reference to section is stated, and triggers the difference information generation module and executes the mark for generating and carrying the target road section The step of with the difference traffic message of the traffic state information；
The attribute information with reference to section includes the shape dot position information of the starting point with reference to section and the shape of terminal Dot position information；
First matching module, specifically includes:
Second path determining unit, for the starting point with reference to section using acquisition as starting point, terminal is destination；According to Preset target electronic map road net data determines the second path from the starting point to the destination；
Sampling unit obtains at least one sampling location point, and obtain for setting point sampling in the enterprising line position in the second path The location information of each sampling location point at least one described sampling location point；
Sampled point matching unit determines that each sampling location point is for the location information according to each sampling location point It is no to be referred on section described；
Second identifier acquiring unit, if the judging result for the sampled point matching unit be it is yes, by second path In include section as the target road section, and obtain the mark of the target road section.
10. device according to claim 8 or claim 9, which is characterized in that described device further include:
Determining module obtains module from described with reference in electronic map road net data for the attribute information, obtains the ginseng Before the attribute information for examining section, determines in preset mark correspondence set and be not present and the mark pair with reference to section The mark for the target road section answered, the target road section are the section in the target electronic map road net data；
Corresponding relationship update module, for first matching module using matched section as target road section, and described in acquisition After the mark of target road section, the corresponding relationship of the mark and the mark of the target road section obtained with reference to section is added It is added in the preset mark correspondence set.
11. device according to claim 8, which is characterized in that the attribute information with reference to section includes at least shape Point attribute information and primary attribute information, the shape point include at least: the shape point of the starting point as reference section and conduct With reference to the shape point of the terminal in section；
First matching module, specifically includes:
Target road section acquiring unit is used in the target electronic map road net data, determining and described the rising with reference to section The distance of point is less than or equal at least one first object section of the first pre-determined distance；And it is determining with described with reference to section The distance of terminal is less than or equal at least one the second target road sections of the second pre-determined distance；
Target starting point and terminal determination unit refer to section with described for selecting from least one first object section The highest first object section of matching degree of primary attribute information exist as starting point section, and by the starting point with reference to section The intersection point point in the starting point section is as target starting point；And；From at least one the second target road section selection with it is described Section is referred to as terminal section, and by described with reference to highest second target road section of matching degree of the primary attribute information in section Terminal the terminal section intersection point point as target endpoint；
First path determination unit, for calculating from the target starting point to institute according to the target electronic map road net data State the first path of target endpoint；
First identifier acquiring unit, the section for that will include in the first path obtain institute as the target road section State the mark of target road section.
12. device according to claim 11, which is characterized in that described device further include:
Second judgment module, for the first identifier acquiring unit using the section for including in the first path as the mesh Section is marked, and before obtaining the mark of the target road section, judges whether the item number in the section that the first path includes is 1；
Third execution module, if the judging result for second judgment module be it is yes, trigger the first identifier and obtain Unit is executed using the section for including in the first path as the target road section, and obtain the mark of the target road section Step；
4th execution module, if the judging result for second judgment module be it is no, calculate the starting point section in institute The ratio for stating the length in first path and the total length in the starting point section judges ratio ratio whether default less than first Value；If so, deleting the starting point section from the first path；And the terminal section is calculated in the first via The ratio of the total length of length and the terminal section in diameter；And judge the ratio whether less than the first default ratio；If so, The terminal section is then deleted from the first path.
13. device according to claim 11, which is characterized in that described device further include:
5th execution module, for the first identifier acquiring unit using the section for including in the first path as the mesh Section is marked, and before obtaining the mark of the target road section, determines the total length of the first path and described with reference to section The ratio of total length triggers the first identifier acquiring unit and executes described incite somebody to action if ratio is more than or equal to the second default ratio The section for including in the first path is as the target road section, and the step of obtaining the mark of the target road section.
14. device described in any claim in 1-13 according to claim 1, which is characterized in that the target starting point and end Point determination unit, is specifically used for:
For each first object section or second at least one first object section or in the second target road section Target road section calculates the difference of the parameter value of same alike result field in the section and the attribute information with reference to section；And from In preset attribute field and weight factor corresponding relationship, the corresponding weight factor of each attribute field is obtained；And
According to the weight factor inquired and each difference being calculated, first object road is calculated by weighted summation The matching degree of section or the second target road section and the attribute information with reference to section；
Select the highest first object section of matching degree as the starting point section and highest second target road section of matching degree As terminal section.
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