CN102521972B - Link information difference method and apparatus thereof - Google Patents
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- CN102521972B CN102521972B CN201110444896.9A CN201110444896A CN102521972B CN 102521972 B CN102521972 B CN 102521972B CN 201110444896 A CN201110444896 A CN 201110444896A CN 102521972 B CN102521972 B CN 102521972B
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Abstract
Embodiments of the invention, which relate to a traffic information intelligence service field, disclose a link information difference method and an apparatus thereof. Updating of a real-time information of China (RTIC) version can be simplified and efficiency for publishing link information can be increased. The method of the invention comprises the following steps: acquiring a previous-edition RTIC map sheet and a next-edition RTIC map sheet, wherein the RTIC map sheet comprises: a link number, a link coordinate, a link direction, a link grade and a link shape; comparing the previous-edition RTIC map sheet and the next-edition RTIC map sheet so as to obtain a difference result; outputting the difference result. The method and the apparatus are mainly used in an intelligent traffic system.
Description
Technical field
The present invention relates to transport information Intelligent Service field, relate in particular to a kind of road chain information difference method and device.
Background technology
Along with the development of modern automobile industry and improving constantly of people's living standard, vehicle has become a part for people's life.But, along with speeding of road construction and speed of development, if can not grasp up-to-date road information in the process of trip of driving, can largely reduce the efficiency of trip, cause the unnecessary waste of traffic resource.These problems have brought inconvenience not only to people's go off daily life, also to society, have caused huge economic loss simultaneously.
In order to solve the problem of these a series of traffic, current, except the effort making aspect road infrastructure construction and relevant laws and regulations formulation, various countries are being devoted to utilize ITS (Intelligent Transportation System, intelligent transportation system) to carry out integrated management and control to communications and transportation in the world.In ITS, conventionally can adopt Chinese Real-time Traffic Information (Real-Time Information of China, RTIC) technology, for each vehicle-mounted navigational system provides Real-time Road transport information.Therefore,, in city planning and road construction, the road chain information of RTIC also needs corresponding renewal.
In prior art, the update method of the road chain information of RTIC is: obtain the RTIC map sheet of latest edition, and according to the situation of change of each road chain in this up-to-date RTIC map sheet, revise one by one the code of each road chain in original RTIC.
Above-mentioned transport information provides scheme to can be applicable to equally railway or aviation field.
State in realization in the process of road chain information renewal, inventor finds that in prior art, at least there are the following problems: owing to need to revising one by one the code of each road chain in original RTIC, new edition traffic route information issuing process is more loaded down with trivial details, the workload that causes outwards issuing road chain information is large, and efficiency is low.
Summary of the invention
Embodiments of the invention provide a kind of road chain information difference method and device, can simplify the renewal of RTIC version, improve the efficiency of issue road chain information.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A road chain information difference method, comprising:
Obtain adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet, in described RTIC map sheet, comprise road chain number, road chain coordinate, road chain direction, road chain grade, road Similarity Between Line Segments;
Contrast described adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet obtains difference result;
Export described difference result.
A road chain information differential attachment, comprising:
Acquiring unit, for obtaining adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet, comprises road chain number, road chain coordinate, road chain direction, road chain grade, road Similarity Between Line Segments in described RTIC map sheet;
Difference unit, for contrasting described adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet obtains difference result;
Output unit, for exporting described difference result.
Road chain information difference method and device that the embodiment of the present invention provides, by adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet are contrasted, generate and export difference result, to revise the road chain code changing according to difference result, compare with the technology of revising one by one each road chain code in prior art, the scale of RTIC code update is less, can simplify the renewal of RTIC version, improves the efficiency of issue road chain information.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is one embodiment of the invention Zhong road chain difference method process flow diagram;
Fig. 2 is another embodiment of the present invention Zhong road chain difference method process flow diagram;
Fig. 3 is another embodiment of the present invention Zhong road chain change type schematic diagram;
Fig. 4 is another embodiment of the present invention Zhong road chain change type schematic diagram;
Fig. 5 another embodiment of the present invention Zhong road chain differential attachment forms schematic diagram;
Fig. 6 is that another embodiment of the present invention Zhong road chain differential attachment forms schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of road chain information difference method, can be applicable in the road chain information renewal of intelligent transportation system, and as shown in Figure 1, the method comprises:
101, obtain adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet, in described RTIC map sheet, comprise road chain number, road chain coordinate, road chain direction, road chain grade, road Similarity Between Line Segments.
Wherein, adjustment of the printing plate RTIC map sheet can be the RTIC map sheet of legacy version or current version, and the RTIC map sheet that lower domain width can be redaction.For example, adjustment of the printing plate RTIC map sheet is the urban road hum pattern of 2011, and lower version RTIC map sheet is the urban road hum pattern of 2012.The object of in the present embodiment, the RTIC road chain of upper and lower two versions being carried out to difference is mainly for the RTIC message code of upper version being modified as to the lower version RTIC message code identical with up-to-date road distribution situation by difference result.Wherein, in RTIC map sheet, can only record distribution and the trend of road, not record other factors such as landform, house, greening, be mainly used in embodying the distribution situation of urban road.
Be understandable that, the embodiment of the present invention not only can be applied to the RTIC road chain difference in a city, can also, for the RTIC road chain difference of a plurality of cities or country, only can, for the renewal of trap for automobile information, can also be applied in railway or aviation field.
102, contrast described adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet obtains difference result.
Wherein, can adopt the RTIC map sheet of two versions of the variety of way contrasts such as color contrast, the contrast of road chain number, shape contrast, coordinate contrast, obtain difference result.In difference result, comprise the adjustment of the printing plate title and the lower edition title that participate in differential pair ratio, the road chain number changing, the adjustment of the printing plate map sheet at the chain place, road of variation number and lower domain width number, the type of variation etc.
103, export described difference result.
Wherein, export described difference result and can difference result be exported for the form with list, the road chain information all changing can be exported by a list, also dissimilar road chain can be changed and be divided into a plurality of list output.The title of list can be carried out label with map sheet number, also can jointly number with change type with map sheet number.
The road chain information difference method that the embodiment of the present invention provides, by adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet are contrasted, generate and export difference result, to revise the road chain code changing according to difference result, compare with the technology of revising one by one each road chain code in prior art, the scale of RTIC code update is less, can simplify the renewal of RTIC version, improves the efficiency of issue road chain information.
As a kind of improvement of the embodiment of the present invention, another embodiment of the present invention also provides a kind of road chain information difference method, as shown in Figure 2, comprising:
201, lock successively all RTIC map sheets in city, place.
Wherein, before carrying out road chain information difference, can first lock the city that participates in road chain difference, city, place can not be the true geographic position of carrying out road chain difference operation, but need to upgrade RTIC information and carry out the city of road chain difference.The urban road information of carrying out road chain difference operation can comprise a plurality of RTIC map sheets, in differential process, can lock successively the difference that each map sheet in this city is carried out upper and lower version according to predefined procedure.For example, according to map sheet order number from small to large, lock successively RTIC map sheet and carry out road chain difference.
Be understandable that, the embodiment of the present invention is only described for the road chain difference in a city, and same principle can also be applied to other cities or country.
202, according to the RTIC map sheet number in city, place, obtain corresponding adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.
For example, include 10 RTIC map sheets in the map of adjustment of the printing plate Beijing, from west, numbering is eastwards respectively 1-10; At lower edition Beijing map, also include accordingly 10 RTIC map sheets, from west, numbering is eastwards respectively 1-10.Therefore can obtain the adjustment of the printing plate RTIC map sheet that is numbered 1 and the lower edition RTIC map sheet that is numbered 1, carry out difference operation.
203, lock successively described road chain grade.
Wherein, the road chain grade of locking is any one in the chain grade of all roads in adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.For example, respectively having 3 road chain grades in upper and lower two editions RTIC map sheets, is respectively high speed, main line and bypass.Can first in high speed grade, carry out road chain difference, obtain the road chain difference result of high speed grade, then lock main line grade, contrast obtains the difference result of main line grade, and the rest may be inferred.
204, Similarity Between Line Segments He Xiaban road, the adjustment of the printing plate road Similarity Between Line Segments in the chain grade of more same road, obtains road chain quantity and changes and the constant road chain of longitude and latitude.
Take expressway chain as example, the expressway chain in adjustment of the printing plate RTIC map sheet is set as to yellow, the expressway chain in lower edition RTIC map sheet is set as to blueness, by the map sheet stack of two versions.In map sheet after stack, presenting green road chain is the road chain that longitude and latitude is constant, and road chain number relatively in the constant road chain of these longitudes and latitudes, can obtain road chain quantity and change and the constant road chain of longitude and latitude.For example, adjustment of the printing plate RTIC map sheet Zhong road chain 90 has the road chain of shape and location matches in lower edition RTIC map sheet, but in lower edition RTIC map sheet, there is no road chain number 90, with its shape and Lian91He road, location matches Lu Lianwei road chain 92, therefore can obtain difference result as shown in table 1.
| Adjustment of the printing plate/lower domain width number | Adjustment of the printing plate road chain number | Xia Ban road chain | Change type | |
| 1/1 | 90 | 91、92 | Road chain quantity changes and longitude and latitude is constant |
Table 1
205, chain number Yu Xiaban road, the adjustment of the printing plate road chain number in the chain grade of more same road, obtains the road chain of increase and the road chain of deletion.
Wherein, after the road chain that can overlap in getting rid of the RTIC map sheet of two versions, at Lian Zhong，Jiang road, the road chain number not overlapping, compare, the road chain number that can obtain not existing in adjustment of the printing plate RTIC map sheet and exist in lower edition RTIC map sheet, the road chain increasing; Can also obtain in adjustment of the printing plate RTIC map sheet existing and in lower edition RTIC map sheet non-existent road chain number, and the road chain of deletion.
For example, take expressway chain as example, the expressway chain in adjustment of the printing plate RTIC map sheet is set as to yellow, the expressway chain in lower edition RTIC map sheet is set as to blueness, by the map sheet stack of two versions.In map sheet after stack, present the road chain of blue road chain for increasing, present the road chain of yellow road chain for deleting.
206, from the road chain changing, determine road chain, the road chain of RTIC change of rank, the road chain of distortion of cutting apart.
Wherein, the road chain changing shown in comprises: road chain quantity changes and constant road chain, the road chain of increase, the road chain of deletion of longitude and latitude, and the road chain of these variations can be difference result.Further, for the situation of change of refinement road chain more, the road chain of these variations further can be analyzed to the road chain of the road chain that obtains cutting apart, the road chain of RTIC change of rank, distortion.The situation of change of concrete ， road chain can be refined as multiple situation of change as shown in Figure 3 and Figure 4.
207, with difference result described in the formal output of list.
Wherein, described difference result comprises at least one in following information: the road chain of increase, deletion Lu Lian, road chain quantity change and the constant road chain of longitude and latitude.The road chain of described deletion comprises: the road chain of the road chain of cutting apart, the road chain of RTIC change of rank, distortion.The road chain of various different change types can be exported by a plurality of lists respectively above, also can export in a list simultaneously.The form of list can be csv form.
Concrete, for exporting the list of difference result, can comprise the field as table 2.
Table 2
The road chain information difference method that the embodiment of the present invention provides, by adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet are contrasted, generate and export difference result, to revise the road chain code changing according to difference result, compare with the technology of revising one by one each road chain code in prior art, the scale of RTIC code update is less, can simplify the renewal of RTIC version, improves the efficiency of issue road chain information.
Another embodiment of the present invention also provides a kind of road chain information differential attachment, as shown in Figure 5, comprising: acquiring unit 31, difference unit 32, output unit 33.
Acquiring unit 31, for obtaining adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet, comprises road chain number, road chain coordinate, road chain direction, road chain grade, road Similarity Between Line Segments in described RTIC map sheet.
Further, as shown in Figure 6, described difference unit 32 can comprise: longitude and latitude module 321, increase and decrease module 322, segmentation module 323.
Longitude and latitude module 321, for Similarity Between Line Segments He Xiaban road, the adjustment of the printing plate road Similarity Between Line Segments of more same road chain grade, obtains road chain quantity and changes and the constant road chain of longitude and latitude.
Increase and decrease module 322, for chain number Yu Xiaban road, the adjustment of the printing plate road chain number of more same road chain grade, obtains the road chain of increase and the road chain of deletion.
Further, described difference unit 32 can also comprise: grade locking module 324.
Wherein, the road chain grade of locking is any one in the chain grade of all roads in adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.
Further ，Gai road chain information differential attachment can also comprise: map sheet lock cell 34.
Map sheet lock cell 34, for obtain adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet at described acquiring unit before, locks all RTIC map sheets in city, place successively.
Described acquiring unit 31 also for: according to the RTIC map sheet number in city, place, obtain corresponding adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.
Further, described output unit 33 also for: with difference result described in the formal output of list.
Wherein, described difference result comprises at least one in following information: the road chain of increase, deletion Lu Lian, road chain quantity change and the constant road chain of longitude and latitude; The road chain of described deletion comprises: the road chain of the road chain of cutting apart, the road chain of RTIC change of rank, distortion.
The road chain information differential attachment that the embodiment of the present invention provides, by adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet are contrasted, generate and export difference result, to revise the road chain code changing according to difference result, compare with the technology of revising one by one each road chain code in prior art, the scale of RTIC code update is less, can simplify the renewal of RTIC version, improves the efficiency of issue road chain information.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better embodiment.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, as the floppy disk of computing machine, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1.Yi Zhong road chain information difference method, is characterized in that, comprising:
Obtain adjustment of the printing plate Real-time Traffic Information RTIC map sheet and lower edition Real-time Traffic Information RTIC map sheet, in described RTIC map sheet, comprise road chain number, road chain coordinate, road chain direction, road chain grade, road Similarity Between Line Segments;
Contrast described adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet obtains difference result;
Export described difference result;
Wherein, described contrast described adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet obtain difference result, comprising:
Similarity Between Line Segments He Xiaban road, adjustment of the printing plate road Similarity Between Line Segments in the chain grade of more same road, obtains road chain quantity and changes and the constant road chain of longitude and latitude;
Chain number Yu Xiaban road, adjustment of the printing plate road chain number in the chain grade of more same road, obtains the road chain of increase and the road chain of deletion;
From the road chain changing, determine road chain, the road chain of RTIC change of rank, the road chain of distortion of cutting apart.
2. road according to claim 1 chain information difference method, is characterized in that, Similarity Between Line Segments He Xiaban road, the adjustment of the printing plate road Similarity Between Line Segments in the chain grade of more same road obtains that road chain quantity changes and before the constant road chain of longitude and latitude, also comprises:
Lock successively described road chain grade;
Wherein, the road chain grade of locking is any one in the chain grade of all roads in adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.
3. road according to claim 1 chain information difference method, is characterized in that, before obtaining adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet, also comprises:
Lock successively all RTIC map sheets in city, place;
Describedly obtain adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet is: according to the RTIC map sheet number in city, place, obtain corresponding adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.
4. according to the road chain information difference method described in any one in claim 1-3, it is characterized in that, the described difference result of described output comprises:
With difference result described in the formal output of list;
Wherein, described difference result comprises at least one in following information: the road chain of increase, deletion Lu Lian, road chain quantity change and the constant road chain of longitude and latitude; The road chain of described deletion comprises: the road chain of the road chain of cutting apart, the road chain of RTIC change of rank, distortion.
5.Yi Zhong road chain information differential attachment, is characterized in that, comprising:
Acquiring unit, for obtaining adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet, comprises road chain number, road chain coordinate, road chain direction, road chain grade, road Similarity Between Line Segments in described RTIC map sheet;
Difference unit, for contrasting described adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet obtains difference result;
Output unit, for exporting described difference result;
Wherein, described difference unit comprises:
Longitude and latitude module, for Similarity Between Line Segments He Xiaban road, the adjustment of the printing plate road Similarity Between Line Segments of more same road chain grade, obtains road chain quantity and changes and the constant road chain of longitude and latitude;
Increase and decrease module, for chain number Yu Xiaban road, the adjustment of the printing plate road chain number of more same road chain grade, obtains the road chain of increase and the road chain of deletion;
Segmentation module, determines road chain, the road chain of RTIC change of rank, the road chain of distortion of cutting apart for the road chain from changing.
6. road according to claim 5 chain information differential attachment, is characterized in that, described difference unit also comprises:
Grade locking module, for Similarity Between Line Segments He Xiaban road, the adjustment of the printing plate road Similarity Between Line Segments in the more same road of described longitude and latitude module chain grade, obtains that road chain quantity changes and before the constant road chain of longitude and latitude, locks successively described road chain grade;
Wherein, the road chain grade of locking is any one in the chain grade of all roads in adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.
7. road according to claim 5 chain information differential attachment, is characterized in that, also comprises:
Map sheet lock cell, for obtain adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet at described acquiring unit before, locks all RTIC map sheets in city, place successively;
Described acquiring unit also for: according to the RTIC map sheet number in city, place, obtain corresponding adjustment of the printing plate RTIC map sheet and lower edition RTIC map sheet.
8. according to the road chain information differential attachment described in any one in claim 5-7, it is characterized in that, described output unit also for: with difference result described in the formal output of list;
Wherein, described difference result comprises at least one in following information: the road chain of increase, deletion Lu Lian, road chain quantity change and the constant road chain of longitude and latitude; The road chain of described deletion comprises: the road chain of the road chain of cutting apart, the road chain of RTIC change of rank, distortion.
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| CN201110444896.9A CN102521972B (en) | 2011-12-27 | 2011-12-27 | Link information difference method and apparatus thereof |
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| CN201110444896.9A CN102521972B (en) | 2011-12-27 | 2011-12-27 | Link information difference method and apparatus thereof |
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| CN105336154B (en) * | 2014-08-07 | 2018-04-13 | 北京四维图新科技股份有限公司 | A kind of method and device of the number renewal of China's Real-time Traffic Information service |
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| EP1045224A2 (en) * | 1999-04-15 | 2000-10-18 | DaimlerChrysler AG | Method for updating a road map and map based method of creating vehicle guidance information |
| CN101788299A (en) * | 2009-12-29 | 2010-07-28 | 北京世纪高通科技有限公司 | Updating method and device of RTIC (Real-Time Information of China) matching table based on navigation electronic map |
| CN102128628A (en) * | 2010-01-19 | 2011-07-20 | 北京四维图新科技股份有限公司 | Difference analysis method and difference analysis device for electronic maps |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100454922B1 (en) * | 2001-10-31 | 2004-11-15 | 삼성전자주식회사 | Navigation system for providing a real-time traffic information and method thereof |
| JP5052002B2 (en) * | 2005-02-10 | 2012-10-17 | アルパイン株式会社 | Map update method, map update processing data creation device, navigation device, and map data update system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1045224A2 (en) * | 1999-04-15 | 2000-10-18 | DaimlerChrysler AG | Method for updating a road map and map based method of creating vehicle guidance information |
| CN101788299A (en) * | 2009-12-29 | 2010-07-28 | 北京世纪高通科技有限公司 | Updating method and device of RTIC (Real-Time Information of China) matching table based on navigation electronic map |
| CN102128628A (en) * | 2010-01-19 | 2011-07-20 | 北京四维图新科技股份有限公司 | Difference analysis method and difference analysis device for electronic maps |
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