CN101847319A - Method and system for providing graphical real-time traffic information - Google Patents
Method and system for providing graphical real-time traffic information Download PDFInfo
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- CN101847319A CN101847319A CN201010174038A CN201010174038A CN101847319A CN 101847319 A CN101847319 A CN 101847319A CN 201010174038 A CN201010174038 A CN 201010174038A CN 201010174038 A CN201010174038 A CN 201010174038A CN 101847319 A CN101847319 A CN 101847319A
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- 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
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3691—Retrieval, searching and output of information related to real-time traffic, weather, or environmental conditions
- G01C21/3694—Output thereof on a road map
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- 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
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
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- 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
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
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- 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
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map
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- Radar, Positioning & Navigation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a method and a system for providing graphical real-time traffic information, relating to the technical field of intelligent traffic. The invention enhances the road clarity when real-time traffic information is displayed on a navigation terminal. The method comprises the following steps: making a target base map corresponding to an actual road unit in a designated area range, wherein the target base map comprises a background and a road unit on the background; setting the mapping relation between the road unit in the target base map and the corresponding actual road unit; obtaining the real-time traffic information corresponding to the acquired actual road unit; and drawing the real-time traffic information on the corresponding road unit in the target base map according to the mapping relation, and generating the target map. The embodiment of the invention is mainly applied in the courses of processing and publishing real-time traffic information.
Description
Technical field
The present invention relates to the intelligent transport technology field, relate in particular to a kind of method and system that graphical real-time traffic information is provided.
Background technology
Constantly perfect along with intelligent transport technology, increasing user brings into use navigating instrument to obtain real-time transport information.As, the user can use an automatic navigator, can know congestion on the specified link by the transport information that receives the issue of Real-time Traffic Information service system.At present, the real-time dynamic information that automatic navigator receives mostly is to show with the form that directly is superimposed upon on the map, as, real-time road condition information wherein is that the lines with the green three kinds of colors of reddish yellow directly are superimposed upon on the map road, and event information normally is superimposed upon with icon and shows on the map.
State in realization in the process of Real-time Traffic Information demonstration, the inventor finds because road itself also shows by color and lines, adopt after prior art is added to Real-time Traffic Information on the road of map, because geography information, color that map itself is showed are more, thereby the navigation screen that terminal demonstrates is complicated, road is difficult to be differentiated, particularly in the position of road more complicated, as, in some intersections, when the user wishes to come the select target road by navigating instrument, cause road to be difficult to identification.
Summary of the invention
Embodiments of the invention provide a kind of method and system that graphical real-time traffic information is provided, and when showing Real-time Traffic Information on navigation terminal, have improved the sharpness of road.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method that graphical real-time traffic information is provided comprises:
Make and the interior corresponding target base map in real road unit of appointed area scope, described target base map comprises background and the roadway element on it;
Mapping relations between the real road unit that roadway element is corresponding with it in the described target base map are set;
Obtain the Real-time Traffic Information of the described real road unit correspondence that collects;
According to described mapping relations described Real-time Traffic Information is plotted in the described target base map on the road corresponding unit, and generates targeted graphical.
A kind of system that graphical real-time traffic information is provided comprises:
Production unit, be used to make with the appointed area scope in the corresponding target base map in real road unit, described target base map comprises background and the roadway element on it;
The unit is set, is used for being provided with the mapping relations between the described target base map roadway element real road unit corresponding with it;
Acquiring unit is used to obtain the Real-time Traffic Information of the described real road unit correspondence that collects;
Drawing unit is used for according to described mapping relations described Real-time Traffic Information being plotted in described target base map road corresponding unit;
The figure generation unit is used to generate targeted graphical.
In the described embodiment of the invention of technique scheme, at first, to make and the interior corresponding target base map in real road unit of appointed area scope, described target base map comprises background and the roadway element on it.This target base map is an independently figure, includes only on it and some information of representing that road is relevant, represents the geographical environment at road place as the background of this target base map, as land type, perhaps water system.Mapping relations between the real road unit that roadway element is corresponding with it in the described target base map are set.These mapping relations have shown the corresponding relation of roadway element and real road unit in the target base map.
Then, obtain the Real-time Traffic Information of the described real road unit correspondence that collects.This Real-time Traffic Information is gathered and is handled by special transportation information service systems.According to described mapping relations described Real-time Traffic Information is plotted in the described target base map on the road corresponding unit, and generates targeted graphical.
Because the targeted graphical that draws at last in the embodiment of the invention has comprised Real-time Traffic Information, and this targeted graphical be with map independently, on described targeted graphical, only shown the information relevant with road, as the background of land type, roadway element and corresponding Real-time Traffic Information thereof.Directly Real-time Traffic Information is superimposed upon on the map with prior art and compares, this targeted graphical form is succinct, and given prominence to the key points road and Real-time Traffic Information have improved the sharpness of road, make things convenient for the user when selecting stroke route, fast and accurately the localizing objects road.
In addition and since the embodiment of the invention in targeted graphical draw according to real road, with map be independently.When real road upgraded, even also do not upgrade corresponding road on the map, targeted graphical also can carry out real-time update, has improved the accuracy and the real-time of route guidance.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is for providing the process flow diagram of the method for graphical real-time traffic information in the embodiment of the invention 1;
Fig. 2 is for providing the structural drawing of the system of graphical real-time traffic information in the embodiment of the invention 1;
Fig. 3 is for providing the process flow diagram of the method for graphical real-time traffic information in the embodiment of the invention 2;
The targeted graphical that Fig. 4 divides the through street Entrance ramp to select for expression urban inner in the embodiment of the invention 2;
Fig. 5 is for providing the structural drawing of the system of graphical real-time traffic information in the embodiment of the invention 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment 1:
The embodiment of the invention provides a kind of method that graphical real-time traffic information is provided, and as shown in Figure 1, this method comprises the steps:
101, the corresponding target base map in real road unit in making and the appointed area scope, described target base map comprise background and the roadway element on it.
This target base map be with map independently, when the real road unit take place to upgrade, can be immediately fresh target base map more.Include only on it and some information of representing that road is relevant, represent the geographical environment at road place as the background of this target base map, as land type, perhaps water system.In the specific implementation process,, when making, can adopt the bigger color of contrast ratio to represent background and roadway element respectively for the road of giving prominence to the key points.As, represent land with black, the roadway element on it can adopt the sideline of white to represent.
102, mapping relations between the real road unit that roadway element is corresponding with it in the described target base map are set.These mapping relations have shown the corresponding relation of roadway element and real road unit in the target base map.As, the roadway element that is designated A in the described target base map is corresponding with the real road unit that is designated 001.
103, obtain the Real-time Traffic Information of the described real road unit correspondence that collects.
104, according to described mapping relations described Real-time Traffic Information is plotted in the described target base map on the road corresponding unit, and generates targeted graphical.
According to the difference of Real-time Traffic Information, the color that the roadway element in the target base map is drawn out is also inequality.As, when the real-time road that obtains when being unimpeded, can adopt green to draw; When real-time road when being slow, can adopt yellow to draw.In specific implementation process, concrete what color of employing is drawn is not done concrete setting, preferably, the color contrast that color that adopts when drawing Real-time Traffic Information and background are adopted is the bigger the better, and can make things convenient for user identification road and transport information clearly like this.
In embodiments of the present invention, adopt patterned mode to show Real-time Traffic Information.Since only shown the information relevant on the final targeted graphical that generates with road, as the background of land type, roadway element and corresponding Real-time Traffic Information thereof.And when showing, be with map independently.Directly Real-time Traffic Information is superimposed upon on the map with prior art and compares, the form of this targeted graphical is succinct, and given prominence to the key points road and Real-time Traffic Information have improved the sharpness of road, make things convenient for the user when selecting stroke route, fast and accurately the localizing objects road.
Correspondingly, the embodiment of the invention also provides a kind of system that graphical real-time traffic information is provided, and as shown in Figure 2, this system comprises: production unit 21 is provided with unit 22, acquiring unit 23, drawing unit 24 and figure generation unit 25.
Wherein, production unit 21 be used to make with the appointed area scope in the corresponding target base map in real road unit, described target base map comprises background and the roadway element on it.This target base map is and map figure independently, to highlight road.Unit 22 is set is used for being provided with mapping relations between the described target base map roadway element real road unit corresponding with it.
Acquiring unit 23 is used to obtain the Real-time Traffic Information of the described real road unit correspondence that collects.Drawing unit 24 is used for according to described mapping relations described Real-time Traffic Information being plotted in described target base map road corresponding unit.Figure generation unit 25 is used to generate targeted graphical.
Only shown the information relevant on the final targeted graphical that generates of the Real-time Traffic Information disposal system that the embodiment of the invention provides with road, as the background of land type, roadway element and corresponding Real-time Traffic Information thereof.And when showing, be with map independently.Directly Real-time Traffic Information is superimposed upon on the map with prior art and compares, the form of this targeted graphical is succinct, and given prominence to the key points road and Real-time Traffic Information have improved the sharpness of road.
Embodiment 2:
The embodiment of the invention provides a kind of method that graphical real-time traffic information is provided, and as shown in Figure 3, this method comprises the steps:
301, the corresponding target base map in real road unit in making and the appointed area scope, described target base map comprise background and the roadway element on it.
This target base map be with map independently, when the real road unit take place to upgrade, can be immediately fresh target base map more.Comprise on it and expression some relevant information of road, represent the geographical environment at road place as the background of this target base map, as land type, perhaps water system.In the specific implementation process, as shown in table 1 below, the content of this target base map can also be represented annotation and sign.
Table 1
On the target base map, increase correspondingly annotation, can make things convenient for the quick location of those users that are unfamiliar with current urban transportation to want the roadway element of seeking.And be familiar with very much the user of current urban transportation for those; corresponding mark can be provided; the give prominence to the key points lines of road; because they travel on relatively more fixing circuit through regular meeting; such as the user on and off duty that often drives; they see the trend of road just knows it has been that road, thereby can locate fast and want the road that need look for.In addition, for the road of giving prominence to the key points, when making, can adopt the bigger color of contrast ratio to represent background and roadway element respectively.As, adopt black to represent land in the above-mentioned table 1, the roadway element on it adopts the sideline of white to represent.
302, mapping relations between the real road unit that roadway element is corresponding with it in the described target base map are set.These mapping relations have shown the corresponding relation of roadway element and real road unit in the target base map.As, the roadway element that is designated A in the described target base map is corresponding with the real road unit that is designated 001.
303, obtain the Real-time Traffic Information of the described real road unit correspondence that collects.This Real-time Traffic Information is to be issued by the real time data release unit of correspondence, and each real time data release unit is corresponding with a real road unit.
304, determine the roadway element of described real road unit correspondence in described target base map according to described mapping relations.As above-mentioned Real-time Traffic Information is to be designated 001 real road unit to produce, and can know the A that is designated of on target base map road corresponding unit so according to mapping relations.
On above-mentioned target base map, determine after the roadway element, described definite roadway element is plotted as the appointment color of the road conditions message correspondence in the described Real-time Traffic Information, draw the icon of the event information correspondence in the described Real-time Traffic Information at described definite roadway element, and generate targeted graphical.
When on the target base map many roadway elements being arranged, repeated execution of steps 303 and step 304 are till all roadway element Real-time Traffic Informations are completed on the target base map.
According to the difference of Real-time Traffic Information, the color that the roadway element in the target base map is drawn out is also inequality.In the specific implementation process, can shown in following table 2, draw accordingly.
Table 2
As, when the real-time road that obtains when being unimpeded, can adopt green to draw; When real-time road when being slow, can adopt yellow to draw.In specific implementation process, concrete what color of employing is drawn is not done concrete setting, preferably, the color contrast that color that adopts when drawing Real-time Traffic Information and background are adopted is the bigger the better, and can make things convenient for user identification road and transport information clearly like this.
In addition, open one's eyes wide whenever that what mark shape performance on a map is the road conditions and the event information of specified link, can also show the timestamp of current figure in the upper left corner of above-mentioned targeted graphical.
According to the difference of targeted graphical expression content, can be divided into universe figure and local figure two classes.
Wherein, universe figure can not open the figure of checking at any time when vehicle travels, and comprises three kinds of contents altogether: key road point in expressway, the city in intercity expressway, the city.Below these three kinds of universe figure are simply introduced:
First kind: intercity expressway.The road conditions and the event information of main performance surrounding city expressway.The targeted graphical of the type is applicable to the motorist who needs the turnover city, understands the road situation of the highway in turnover city by targeted graphical, to judge whether that needing to go up highway travels.
Second kind: in the city expressway.The road conditions and the event information of expressway and through street in the main performance city.Be applicable to the motorist of long distance trip in the city,, select any bar expressway or through street to travel to judge by the road situation of figure understanding each expressway, city, through street.
The third: key road point in the city.The road conditions and the event information of key road point and periphery thereof in the main performance city.Be applicable to the motorist who needs by city key point road, understand the road situation of each key road point, travel to judge which key road point of selection by figure.In Shanghai, Shanghai is divided into Pudong and Pu Xi by Huangpu River, and river bridge tunnel just becomes key road point important in the city more.The motorist understands each bridge tunnel traffic status in river more by figure, selects only bridge tunnel to get over the river.
Local figure is the figure that ejects during by predeterminated position when vehicle, comprises four kinds of contents altogether: in the city through street Entrance ramp select, in the city through street exit ramp select, hot zones surface road journey time in the through street selection in the city, city.Introduce this local figure of four types below respectively.
First kind: the through street Entrance ramp is selected in the city.In the performance city on the through street continuously 2-3 Entrance ramp reach the road conditions and the event information of through street and Ordinary Rd therebetween.Be applicable to the motorist who needs the selection ring road to enter the through street, understand a continuous 2-3 Entrance ramp by figure and reach the traffic status of road therebetween, enter the through street to select only ring road.
As shown in Figure 4, the part fast road ramp is selected synoptic diagram in the Shanghai City.Wherein, label 07 is the background of synoptic diagram, the background of this synoptic diagram can be filled to black in the actual application.The dash area of label 01 represents that the road conditions of roadway element are unimpeded, when actual displayed, can adopt green to draw; The dash area of label 02 represents that the road conditions of roadway element for slowly, when actual displayed, can adopt yellow to draw; The dash area of label 03 represents that the road conditions of roadway element for blocking up, when actual displayed, can adopt redness to draw; The dash area of label 04 represents that current roadway element does not have corresponding road condition information, when actual displayed, can adopt grey to draw.The current event information of the roadway element of the porch, road, icon representation Ningxia of label 06 is no right turn.In addition, the triangle of label 05 is represented current car position, and this triangle can adopt blue expression.The upper left corner at described targeted graphical shows timestamp.
Second kind: the through street exit ramp is selected in the city.In the performance city on the through street continuously 2-3 exit ramp reach the road conditions and the event information of through street therebetween.Being applicable to needs to select ring road to leave the motorist of through street, understands a continuous 2-3 exit ramp by figure and reaches the traffic status of through street therebetween, leaves the through street to select only ring road.
The third: the through street is selected in the city.The road conditions and the event information of through street in the performance city.Be applicable to the motorist that the routing demand is arranged on the through street,, avoid the highway section that blocks up to select suitable route by the traffic status of through street in the figure understanding city.
The 4th kind: hot zones surface road journey time in the city.Leave road conditions, event information and the journey time of the road of hot zones all directions in the performance city.Be applicable to the motorist that need leave hot zones, understand by figure and leave journey time and the traffic status of hot zones to next landmark locations.
305, issue described targeted graphical.
Such as, can can both receive the targeted graphical of embodiment of the invention issue by the terminal of cordless communication network data download by issuing such as the cordless communication network of GPRS, CDMA1X, 3G.
In embodiments of the present invention, adopt patterned mode to show Real-time Traffic Information, directly Real-time Traffic Information is superimposed upon on the map with prior art and compares, the form of this targeted graphical is succinct, given prominence to the key points road and Real-time Traffic Information have improved the sharpness of road.
In addition, because the targeted graphical that the embodiment of the invention provides has carried out the classification expression with the transport information of different road types, can make things convenient for requirements of different users.As, by universe figure, the motorist can any at any time place understands the traffic status of the inside and outside super expressway in city, through street and key road point fast, in time adjusts traffic route or plan of travel.By local figure, the motorist can in time understand the road situation of assigned address, makes correct route decision-making.
Some changeable-message signs at the other demonstration real-time dynamic information that sets up of real road are also arranged in the prior art.These facilities are to use display devices such as light emitting diode, represent real-time road with reddish yellow green three kinds of colors, and are aided with information such as Word message explanation condition of road surface and control construction.Yet, because the changeable-message sign on the real road is construction in kind, the construction cost height.And the position of these signs is normally fixing, is blocked by front truck or leaf etc. easily.When power supply goes wrong, also can't show real-time dynamic information.Compare with the material object construction on the above-mentioned real road, the embodiment of the invention can reduce manpower and materials, low-carbon environment-friendly, and the restriction of display effect is not subjected to external environment conditions such as front truck blocks, heavy rain, cable.
Embodiment 3:
The embodiment of the invention provides a kind of system that graphical real-time traffic information is provided, and as shown in Figure 5, this system comprises: production unit 41 is provided with unit 42, acquiring unit 43, drawing unit 44, figure generation unit 45 and release unit 46.
Wherein, production unit 41 be used to make with the appointed area scope in the corresponding target base map in real road unit, described target base map comprises the background and the roadway element on it of land type.This target base map is and map figure independently, mainly shows road.The background of this target base map is represented the geographical environment at road place, as land type, perhaps water system.When making, can adopt the bigger color of contrast ratio to represent background and roadway element respectively.Unit 42 is set is used for being provided with mapping relations between the described target base map roadway element real road unit corresponding with it.
Acquiring unit 43 is used to obtain the Real-time Traffic Information of the described real road unit correspondence that collects.Drawing unit 44 is used for according to described mapping relations described Real-time Traffic Information being plotted in described target base map road corresponding unit.Further, this drawing unit 44 can comprise: determination module 44A and drafting module 44B.
Wherein, determination module 44A is used for determining that according to described mapping relations described real road unit is in described target base map road corresponding unit.Drafting module 44B is used for described definite roadway element is plotted as the appointment color of the road conditions message correspondence of described Real-time Traffic Information.As, when the real-time road that obtains when being unimpeded, can adopt green to draw; When real-time road when being slow, can adopt yellow to draw.Preferably, the color contrast that color that adopts when drawing Real-time Traffic Information and background are adopted is the bigger the better, and can make things convenient for user identification road and transport information clearly like this.Described drafting module also is used for drawing at described definite roadway element the icon of the event information correspondence of described Real-time Traffic Information.Described drafting module can also be drawn timestamp in the upper left corner of described target base map.
Then, figure generation unit 45 is used to generate targeted graphical.According to the difference of targeted graphical expression content, can be divided into universe figure and local figure two classes.Wherein, universe figure can not open the figure of checking at any time when vehicle travels, and comprises three kinds of contents altogether: key road point in expressway, the city in intercity expressway, the city.Local figure is the figure that ejects during by predeterminated position when vehicle, comprises four kinds of contents altogether: in the city through street Entrance ramp select, in the city through street exit ramp select, hot zones surface road journey time in the through street selection in the city, city.
At last, release unit 46 is issued described targeted graphical by cordless communication network.
Only shown the information relevant on the final targeted graphical that generates of the Real-time Traffic Information disposal system that the embodiment of the invention provides with road, as the background of land type, roadway element and corresponding Real-time Traffic Information thereof.And when showing, be with map independently.Compare with directly Real-time Traffic Information being superimposed upon on the map in the prior art, the form of this targeted graphical is succinct, and given prominence to the key points road and Real-time Traffic Information have improved the sharpness of road.
The embodiment of the invention is mainly used in intelligent transportation field, and Real-time Traffic Information is issued in patterned mode, has improved the sharpness of road in the navigation screen.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better embodiment under a lot of situation.Based on such understanding, 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 that can read, floppy disk as computing machine, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within 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 (10)
1. the method that graphical real-time traffic information is provided is characterized in that, comprising:
Make and the interior corresponding target base map in real road unit of appointed area scope, described target base map comprises background and the roadway element on it;
Mapping relations between the real road unit that roadway element is corresponding with it in the described target base map are set;
Obtain the Real-time Traffic Information of the described real road unit correspondence that collects;
According to described mapping relations described Real-time Traffic Information is plotted in the described target base map on the road corresponding unit, and generates targeted graphical.
2. the method that graphical real-time traffic information is provided according to claim 1 is characterized in that,
The background of described target base map comprises land and water system;
Described target base map also comprises annotation and sign, and wherein, described annotation comprises: road name, water system title, direction title, bridge title or tunnel title, the described terrestrial reference that is masked as the expression appointed area.
3. the method that graphical real-time traffic information is provided according to claim 1 is characterized in that,
Described targeted graphical comprises: universe figure and local figure;
Wherein, the content represented of described universe figure comprises: key road point in expressway and the city in intercity expressway, the city;
The content that described local figure represents comprises: in the city through street Entrance ramp select, in the city through street exit ramp select, hot zones surface road journey time in the through street selection in the city, city.
4. the method that graphical real-time traffic information is provided according to claim 1 is characterized in that, comprises on the road corresponding unit being plotted in the described Real-time Traffic Information in the described target base map according to described mapping relations:
Determine the roadway element of described real road unit correspondence in described target base map according to described mapping relations;
Described definite roadway element is plotted as the appointment color of the road conditions message correspondence in the described Real-time Traffic Information;
Draw the icon of the event information correspondence in the described Real-time Traffic Information at described definite roadway element.
5. the method that graphical real-time traffic information is provided according to claim 4 is characterized in that, also comprises the timestamp of described Real-time Traffic Information in the described Real-time Traffic Information;
Described described Real-time Traffic Information being plotted in the described target base map according to described mapping relations also comprises on the road corresponding unit: draw described timestamp on described target base map.
6. according to each described method that graphical real-time traffic information is provided among the claim 1-4, it is characterized in that, also comprise: issue described targeted graphical.
7. the system that graphical real-time traffic information is provided is characterized in that, comprising:
Production unit, be used to make with the appointed area scope in the corresponding target base map in real road unit, described target base map comprises background and the roadway element on it;
The unit is set, is used for being provided with the mapping relations between the described target base map roadway element real road unit corresponding with it;
Acquiring unit is used to obtain the Real-time Traffic Information of the described real road unit correspondence that collects;
Drawing unit is used for according to described mapping relations described Real-time Traffic Information being plotted in described target base map road corresponding unit;
The figure generation unit is used to generate targeted graphical.
8. the system that graphical real-time traffic information is provided according to claim 7 is characterized in that, described drawing unit comprises:
Determination module is used for determining that according to described mapping relations described real road unit is in described target base map road corresponding unit;
Drafting module is used for described definite roadway element is plotted as the appointment color of the road conditions message correspondence of described Real-time Traffic Information; Described drafting module also is used for drawing at described definite roadway element the icon of the event information correspondence of described Real-time Traffic Information.
9. the system that graphical real-time traffic information is provided according to claim 8 is characterized in that, the drafting module of described drawing unit also is used for drawing timestamp on described target base map, and described timestamp is for obtaining the time of described Real-time Traffic Information.
10. the system that graphical real-time traffic information is provided according to claim 7 is characterized in that, also comprises: release unit is used to issue described targeted graphical.
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| CN201010174038A CN101847319A (en) | 2010-05-11 | 2010-05-11 | Method and system for providing graphical real-time traffic information |
| PCT/CN2011/071873 WO2011140859A1 (en) | 2010-05-11 | 2011-03-16 | Method and system for providing graphical real-time traffic information |
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| WO (1) | WO2011140859A1 (en) |
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