CN103136950A - Method of providing comprehensive road condition information - Google Patents

Method of providing comprehensive road condition information Download PDF

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Publication number
CN103136950A
CN103136950A CN 201110399146 CN201110399146A CN103136950A CN 103136950 A CN103136950 A CN 103136950A CN 201110399146 CN201110399146 CN 201110399146 CN 201110399146 A CN201110399146 A CN 201110399146A CN 103136950 A CN103136950 A CN 103136950A
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China
Prior art keywords
road conditions
server
terminal
road
word
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Pending
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CN 201110399146
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Chinese (zh)
Inventor
张明宇
郭胜敏
张高峰
吴琼
于晓
夏曙东
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BEIJING PALMCITY TECHNOLOGY Co Ltd
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BEIJING PALMCITY TECHNOLOGY Co Ltd
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Priority to CN 201110399146 priority Critical patent/CN103136950A/en
Publication of CN103136950A publication Critical patent/CN103136950A/en
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Abstract

The invention discloses a method of providing comprehensive road condition information, and belongs to the intelligent traffic field. The method of providing the comprehensive road condition information comprises the steps of generating map road condition and graphical representation road condition and word road condition of key sections according to a full road network road condition file generated by a server end; and uploading global position system (GPS) position information by a traveling vehicle through a vehicle terminal, and sending the map road condition, the graphical representation road condition and / or the word road condition to the terminal according to the location of the vehicle. The method of providing the comprehensive road condition information obtains regions and road sections a user concerns according to the GPS information the user uploads, and sends small-amount road information in a targeted mode to the user, wherein the small-amount road information comprises the map road condition, the graphical representation road condition, the word road condition and voice-broadcasted information.

Description

The method of comprehensive road condition information is provided
Technical field
The present invention relates to intelligent transportation field, particularly a kind of method that comprehensive road condition information is provided.
Background technology
Information-based increasingly flourishing today, the traffic information service develops rapidly, and the inquiry road conditions are blocked up to evade, and progressively becomes before travel indispensable operation of people.At present, the user is by internet or terminal device, and such as mobile phone, navigating instrument, palm PC etc. can inquire real-time road condition information, to adjust the traffic path of oneself, avoids the highway section that blocks up.
The principle that realizes of traffic information service is that gps data with real-time vehicle collects, this gps data comprises the information such as the position, speed, direction of vehicle, by certain algorithm, these data are carried out the operations such as mate in the highway section, speed is calculated, fusion is filled up, the final traffic information that generates road is shown on map for the traveler inquiry by the colour code mode.
At present, existing traffic information method of service is the user and by operations such as map inquiries, the road conditions of paying close attention to the highway section is asked, and the service meeting all returns to terminal with the large tracts of land road conditions in whole request zone.This mode is more suitable to the PC browser client, but is not suitable for for users such as mobile phone, car-mounted terminals, and be in particular in following several aspect: 1. due to restrictions such as own bandwidth traffic, a large amount of communication costs have been wasted in the transmission of large tracts of land road condition data; 2. because map demonstration itself relatively consumes the memory processor resource, therefore a large amount of road conditions pictures has increased the weight of the processing expenditure of terminal undoubtedly, and performance is affected; 3. the existing road conditions form of expression is mainly that form is more single by the colour code road condition grade, and the road conditions of entire chapter width are not easy to accurately locate on terminal device check simultaneously, lack specific aim.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method that comprehensive road condition information is provided, be used for providing a kind of mode that realizes personalized traffic information service, provide corresponding traffic information according to user's request.
The invention provides a kind of method that comprehensive road condition information is provided, described method comprises:
The system-wide networking condition file that generates according to server end generates diagram road conditions and the word road conditions in map road conditions and emphasis highway section; Vehicle in travelling is uploaded residing GPS positional information by terminal, and server end is according to the vehicle present position, to terminal issue map road conditions, diagram road conditions and or the word road conditions.
The present invention obtains according to the GPS information that the user uploads zone and highway section that this user pays close attention to, issues short run traffic information targetedly to the user, wherein comprises map road conditions, diagram road conditions, word road conditions and voice broadcast information.Owing to being individual character traffic information targetedly, its data volume is few, can not take a large amount of communication costs; The road conditions picture that provides is all for the user present position, and relevant highway section road conditions only are provided, and registration can not consume a large amount of memory processor resources yet; At last, four kinds of road conditions presentation modes are presented to the user according to customer location and selection, and are various informative, realize that better user experiences.
Description of drawings
Fig. 1 is a kind of method flow diagram that comprehensive road condition information is provided in the embodiment of the present invention;
Fig. 2 is the schematic diagram of region-of-interest in the embodiment of the present invention;
Fig. 3 is the schematic diagram of diagram road conditions in the embodiment of the present invention;
Fig. 4 is definite mode schematic diagram of screen scope frame in the embodiment of the present invention;
Fig. 5 issues the method flow diagram of map road conditions in the embodiment of the present invention;
Fig. 6 be issue in the embodiment of the present invention diagram road conditions and or the method flow diagram of word road conditions.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The embodiment of the present invention obtains according to the GPS information that the user uploads zone and highway section that this user pays close attention to, issues short run traffic information targetedly to the user, wherein comprises map road conditions, diagram road conditions, word road conditions and voice broadcast information.Owing to being individual character traffic information targetedly, its data volume is few, can not take a large amount of communication costs; The road conditions picture that provides is all for the user present position, and relevant highway section road conditions only are provided, and registration can not consume a large amount of memory processor resources yet; At last, four kinds of road conditions presentation modes are presented to the user according to customer location and selection, and are various informative, realize that better user experiences.
Fig. 1 is a kind of method flow diagram that comprehensive road condition information is provided in the embodiment of the present invention, comprises the following steps:
Step 101, server end generate system-wide networking condition file.The GPS reception server gps data that receives is sorted, filters and classify after send to the road conditions processing server, by the highway section mate, road conditions generate and road conditions such as fill up at the operation, finally generate system-wide networking condition file, and be kept in file server.
Step 102, based on described system-wide networking condition file, generate diagram road conditions and the word road conditions in map road conditions and emphasis highway section.
Word is reported server and is obtained system-wide networking condition file from file server, selects emphasis highway section (can select often get congestion highway section), generates the word road conditions in this highway section, and stores in database and call for publisher server.The word road conditions are the traffic information in concerned highway section to be stored in word with the form of template report in server, preserve the road conditions in this highway section, sub-highway section collection road conditions, positional information, report priority, report the contents such as content, report time.Word is reported server the road conditions in described emphasis highway section is carried out timing inquiry, constantly refreshes the word road conditions in selected emphasis highway section, and is stored in that in database, the confession publisher server calls.Terminal is determined the region-of-interest of self according to the GPS positional information, regularly described region-of-interest is uploaded to publisher server, and publisher server is handed down to terminal according to described region-of-interest coverage with the up-to-date word road conditions in emphasis highway section in region-of-interest.Described region-of-interest refers to vehicle front rectangular area as shown in Figure 2.In the present embodiment, this zone is the long 5 kilometers wide rectangular areas of 3 kilometers, and the triangle in Fig. 2 is vehicle location, and 5 kilometers, its place ahead, each scope of 1.5 kilometers of left and right are its region-of-interests.
Simultaneously, diagram road conditions server obtains system-wide networking condition file from file server, selects the emphasis highway section, and the diagram road conditions template that off-line is generated merges current road conditions, generates colour code, draws PNG diagram road conditions, and is stored in database and calls for publisher server.The diagram road conditions (as shown in Figure 3, indicate road conditions with different colours, for example, represent unimpeded with green, yellow expression low running speed, red expression is blocked up) be similar to the road conditions billboard, the regional road conditions that will comprise the emphasis highway section are abstract is the simple geometry figure, and mark simple road name, allow the user obtain rapidly more intuitively the place ahead road conditions.When generating the diagram road conditions, at first with outline highway section off-line generation diagram road conditions template, comprise in template the road that will draw point set, edge, word, background color, etc. information, be stored as file with specific form (as the XML tag language), and leave in diagram road conditions server to scheme sheet mode.Diagram road conditions server carries out timing inquiry to the road conditions in the emphasis highway section in the diagram road conditions, constantly refreshes this diagram road conditions, and picture-storage confession publisher server in database that will illustrate road conditions calls.The GPS positional information of terminal basis is determined the region-of-interest of self, regularly region-of-interest is uploaded to publisher server, publisher server is according to described region-of-interest coverage, and the up-to-date picture that emphasis highway section in region-of-interest is illustrated accordingly road conditions is handed down to terminal.
In addition, map road conditions server obtains system-wide networking condition file from file server, generates the map road conditions of system-wide net, calls for publisher server.The map road conditions are present most widely used a kind of road conditions forms, show the road conditions of all roads in whole terminal screen.Map road conditions server according to ready-portioned level of zoom and projection pattern, is divided into road network base map data rectangular block with full road network map and carries out organize (dividing in advance according to certain map projection's mode and algorithm, as Mercator projection).Map road conditions server obtains according to inquiry regularly real-time system-wide networking condition file constantly refreshes the road conditions in highway section in each rectangular block, and the storage of map road conditions is called for publisher server.When terminal is travelled on road, calculate according to self GPS latitude and longitude coordinates and angular separation, to determine residing screen scope frame, and according to the GPS angular separation adjusting, make the terminal initial position be near the edge that enters this scope frame, upload the request of map road conditions to map road conditions server, wherein comprise described screen scope frame; Contained one or several rectangular block in the map road conditions when screen scope frame, the map path server sends to terminal with the up-to-date road conditions of this rectangular block with the PNG picture.Definite mode of screen scope frame as shown in Figure 4, wherein, in Fig. 4 a, terminal travel direction and direct north angle are less than or equal to ± 45 °, initial position is at the feather edge of screen scope frame; In Fig. 4 b, terminal travel direction and angular separation, due east are less than ± 45 °, and initial position is at the left hand edge of screen scope frame; In Fig. 4 c, terminal travel direction and angular separation, due south are less than or equal to ± 45 °, and initial position is at the coboundary of screen scope frame; In Fig. 4 d, less than ± 45 °, initial position is at the right hand edge of screen scope frame to angle for terminal travel direction and positive west.The update mode benefit of this map road conditions is, until before terminal location shifts out rectangular block, all need not again ask road conditions, because any variation does not occur in the base map in the screen scope, only need the time that judges whether expired, expired new data is more compared with the position movement base map, does like this and has greatly saved communication traffic.
To publisher server request map road conditions, publisher server issues up-to-date map road conditions according to the vehicle present position to terminal to the terminal of step 103, the vehicle in travelling according to oneself GPS positional information.Issue the method for map road conditions as shown in Figure 5:
Step 1031, terminal are obtained the Current GPS position, judge that whether this position residing screen scope frame exceeds constantly the scope of screen scope frame, if so, carries out next step; Otherwise execution in step 1033.
Step 1032, determine new screen scope frame, to publisher server request map road conditions, execution in step 1034.
Step 1033, judge whether the map road conditions in this screen scope frame are expired, if so, determine this screen scope frame, to publisher server request map road conditions, and carry out next step, otherwise execution in step 1036.
Step 1034, publisher server send to map road conditions server with the piece of the rectangular block contained in the screen scope frame of determining number and level of zoom, ask up-to-date road conditions.
Step 1035, map road conditions server are handed down to terminal with the up-to-date map road conditions of relevant block number by publisher server.
Step 1036, enter the sleep period of Preset Time section, then execution in step 1031.In the present embodiment, this Preset Time section is 20 seconds.
Step 104, publisher server be according to the vehicle present position, to terminal issue the diagram road conditions and or the word road conditions.Method is as shown in Figure 6:
Step 1041, terminal be according to its region-of-interest of GPS location positioning, and to publisher server request diagram road conditions and or the word road conditions.
Step 1042, publisher server judge region-of-interest whether enter into upgrade the diagram road conditions and or the scope of word road conditions, if so, to the diagram road conditions and or word road conditions server send request, carry out next step; Otherwise execution in step 1044.
Step 1043, the diagram road conditions and or word road conditions server with up-to-date diagram road conditions and or the word road conditions be handed down to terminal by publisher server.
Step 1044, enter the sleep period of Preset Time section, then execution in step 1041.In the present embodiment, this Preset Time section is 30 seconds.Issue because only have the emphasis road conditions just to have diagram road conditions and word road conditions, so its enquiry frequency is also lower than the map road conditions.
Step 105, the word road conditions that issue are reported to the user with voice mode.According to user's selection, report software in the situation that installed on terminal, can be by these word road conditions of voice broadcast.
Above embodiment provides a kind of polynary traffic information service that collects map road conditions, diagram road conditions, word road conditions and voice broadcast quaternity, makes the user to learn road conditions by number of ways; Obtain the map road conditions, diagram road conditions, word road conditions need uploading position information, make the road conditions service be able to come personalized making according to the user position, have more specific aim, and are more effective than in the whole text road conditions; And allow based on the road conditions service of locating information the road conditions of obtaining that the user can automated intelligent, need not operation bidirectional, do not affect driving safety.
In addition, map road conditions user need not to upgrade map when moving in same screen scope frame, saved network overhead; And diagram and word road conditions are introduced region-of-interest, make the content that shows and report be the interested road conditions of user.
In a word, the above is only preferred embodiment of the present invention, is not for limiting protection scope of the present invention.

Claims (10)

1. the method that comprehensive road condition information is provided, is characterized in that, described method comprises:
The system-wide networking condition file that generates according to server end generates diagram road conditions and the word road conditions in map road conditions and emphasis highway section; Vehicle in travelling is uploaded residing GPS positional information by terminal, and server end is according to the vehicle present position, to terminal issue map road conditions, diagram road conditions and or the word road conditions.
2. the method that comprehensive road condition information is provided according to claim 1, is characterized in that, when issuing the word road conditions to terminal, described terminal is reported with voice mode the word road conditions that issue to the user.
3. the method that comprehensive road condition information is provided according to claim 1, is characterized in that, the step of described generation system-wide networking condition file specifically comprises:
The GPS reception server gps data that receives is sorted, filters and classify after send to the road conditions processing server, by the highway section mate, road conditions generate and road conditions are filled up operation, generate system-wide networking condition file, and be kept in file server.
4. the method that comprehensive road condition information is provided according to claim 3, is characterized in that, the step of described generation map road conditions specifically comprises:
Map road conditions server obtains described system-wide networking condition file from file server, generates the map road conditions of system-wide net, and with road network base map data according to ready-portioned level of zoom and projection pattern, the map road conditions of described system-wide net are divided into rectangular block deposit;
Map road conditions server obtains according to inquiry regularly real-time system-wide networking condition file constantly refreshes the road conditions in highway section in each rectangular block, and the storage of map road conditions is called for publisher server.
5. the method that comprehensive road condition information is provided according to claim 4, is characterized in that, the step of described generation diagram road conditions specifically comprises:
Diagram road conditions server obtains system-wide networking condition file from file server, selects the emphasis highway section, and the diagram road conditions template that off-line is generated merges current road conditions, generates colour code, draws PNG diagram road conditions;
Diagram road conditions server carries out timing inquiry to the road conditions in the emphasis highway section in the diagram road conditions, constantly refreshes this diagram road conditions, and picture-storage confession publisher server in database that will illustrate road conditions calls.
6. the method that comprehensive road condition information is provided according to claim 5, is characterized in that, the step of described generating character road conditions specifically comprises:
Word is reported server and is obtained system-wide networking condition file from file server, selects the emphasis highway section, generates the word road conditions in this highway section;
Word is reported server the road conditions in described emphasis highway section is carried out timing inquiry, constantly refreshes the word road conditions in selected emphasis highway section, and is stored in that in database, the confession publisher server calls.
7. according to claim 3, the 4 or 5 described methods that comprehensive road condition information is provided, is characterized in that, the described step that issues the map road conditions to terminal specifically comprises:
Terminal is determined the residing screen scope of terminal frame according to GPS latitude and longitude coordinates and angular separation in self GPS positional information;
If described screen scope frame exceeds the scope of the screen scope frame in a moment, or the map road conditions in described screen scope frame are expired, the up-to-date road conditions of the rectangular block of containing in the described screen scope of the map road conditions server request frame by publisher server, map road conditions server is handed down to terminal with described up-to-date map road conditions by publisher server; Otherwise, enter the sleep period of Preset Time section, and continue the GPS positional information of living in that receiving terminal is uploaded.
8. the method that comprehensive road condition information is provided according to claim 7, is characterized in that, the step of described definite terminal screen scope of living in frame specifically comprises:
Less than or equal to ± 45 °, initial position is at the feather edge of screen scope frame when terminal travel direction and direct north angle; Less than ± 45 °, initial position is at the left hand edge of screen scope frame when terminal travel direction and angular separation, due east; Less than or equal to ± 45 °, initial position is at the coboundary of screen scope frame when terminal travel direction and angular separation, due south; When the terminal travel direction with positive west to angle less than ± 45 °, initial position is at the right hand edge of screen scope frame.
9. the method that comprehensive road condition information is provided according to claim 5, is characterized in that, described to terminal issue the diagram road conditions and or the step of word road conditions specifically comprise:
Determine the region-of-interest of terminal according to the GPS latitude and longitude coordinates in described GPS positional information, if described region-of-interest enter into upgrade the diagram road conditions and or the scope of word road conditions, to the diagram road conditions and or word road conditions server send request, described diagram road conditions and or word road conditions server with up-to-date diagram road conditions and or the word road conditions be handed down to terminal by publisher server; Otherwise, enter the sleep period of Preset Time section, and continue the GPS positional information of living in that receiving terminal is uploaded.
10. the method that comprehensive road condition information is provided according to claim 9, is characterized in that, described region-of-interest is:
The long 5 kilometers wide rectangular areas of 3 kilometers in vehicle heading the place ahead.
CN 201110399146 2011-12-05 2011-12-05 Method of providing comprehensive road condition information Pending CN103136950A (en)

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Cited By (11)

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CN104574966A (en) * 2015-01-14 2015-04-29 深圳市城市交通规划设计研究中心有限公司 Changeable information identification device and method and changeable information identification pushing method
CN105818633A (en) * 2016-03-24 2016-08-03 江苏大学 Multi-working-condition suspension previewing system based on intelligent networking and control method for multi-working-condition suspension previewing system
CN105890607A (en) * 2016-03-31 2016-08-24 百度在线网络技术(北京)有限公司 Map generation method and device and route planning method and device
CN106210094A (en) * 2016-07-19 2016-12-07 腾讯科技(深圳)有限公司 Periphery focus road conditions methods of exhibiting, the first client, service end and system
WO2017181905A1 (en) * 2016-04-21 2017-10-26 斑马网络技术有限公司 Road condition warning method, apparatus, server, control apparatus, and operating system
CN107423445A (en) * 2017-08-10 2017-12-01 腾讯科技(深圳)有限公司 A kind of map data processing method, device and storage medium
CN108153827A (en) * 2017-12-11 2018-06-12 北京小米移动软件有限公司 Traffic congestion area determination method and device
CN109121117A (en) * 2018-07-13 2019-01-01 上海淞泓智能汽车科技有限公司 A kind of bus or train route real-time communication system and communication means based on cellular network
CN111586108A (en) * 2020-04-15 2020-08-25 阿里巴巴集团控股有限公司 Traffic map rendering method, device, terminal equipment, server and system
CN112216134A (en) * 2020-09-21 2021-01-12 江苏中设集团股份有限公司 Method for formulating front road condition broadcast information and vehicle-mounted device
CN113554884A (en) * 2021-06-15 2021-10-26 深圳市综合交通设计研究院有限公司 GPS data sharing system and method based on traffic flow acquisition

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104574966A (en) * 2015-01-14 2015-04-29 深圳市城市交通规划设计研究中心有限公司 Changeable information identification device and method and changeable information identification pushing method
CN105818633A (en) * 2016-03-24 2016-08-03 江苏大学 Multi-working-condition suspension previewing system based on intelligent networking and control method for multi-working-condition suspension previewing system
CN105890607A (en) * 2016-03-31 2016-08-24 百度在线网络技术(北京)有限公司 Map generation method and device and route planning method and device
CN105890607B (en) * 2016-03-31 2019-02-12 百度在线网络技术(北京)有限公司 Ground drawing generating method and device, paths planning method and device
WO2017181905A1 (en) * 2016-04-21 2017-10-26 斑马网络技术有限公司 Road condition warning method, apparatus, server, control apparatus, and operating system
CN106210094A (en) * 2016-07-19 2016-12-07 腾讯科技(深圳)有限公司 Periphery focus road conditions methods of exhibiting, the first client, service end and system
CN106210094B (en) * 2016-07-19 2019-08-13 腾讯科技(深圳)有限公司 Periphery hot spot road conditions methods of exhibiting, the first client, server-side and system
CN107423445A (en) * 2017-08-10 2017-12-01 腾讯科技(深圳)有限公司 A kind of map data processing method, device and storage medium
US11585675B2 (en) 2017-08-10 2023-02-21 Tencent Technology (Shenzhen) Company Limited Map data processing method, computer device and storage medium
CN108153827A (en) * 2017-12-11 2018-06-12 北京小米移动软件有限公司 Traffic congestion area determination method and device
CN109121117A (en) * 2018-07-13 2019-01-01 上海淞泓智能汽车科技有限公司 A kind of bus or train route real-time communication system and communication means based on cellular network
CN109121117B (en) * 2018-07-13 2021-02-05 上海淞泓智能汽车科技有限公司 Cellular network-based vehicle road real-time communication system and communication method
CN111586108A (en) * 2020-04-15 2020-08-25 阿里巴巴集团控股有限公司 Traffic map rendering method, device, terminal equipment, server and system
CN111586108B (en) * 2020-04-15 2022-02-25 阿里巴巴集团控股有限公司 Traffic map rendering method, device, terminal equipment, server and system
CN112216134A (en) * 2020-09-21 2021-01-12 江苏中设集团股份有限公司 Method for formulating front road condition broadcast information and vehicle-mounted device
CN112216134B (en) * 2020-09-21 2022-07-08 江苏中设集团股份有限公司 Method for formulating front road condition broadcast information and vehicle-mounted device
CN113554884A (en) * 2021-06-15 2021-10-26 深圳市综合交通设计研究院有限公司 GPS data sharing system and method based on traffic flow acquisition

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Application publication date: 20130605