CN103162693A - Lane information display method and navigation device - Google Patents
Lane information display method and navigation device Download PDFInfo
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- CN103162693A CN103162693A CN2013100781730A CN201310078173A CN103162693A CN 103162693 A CN103162693 A CN 103162693A CN 2013100781730 A CN2013100781730 A CN 2013100781730A CN 201310078173 A CN201310078173 A CN 201310078173A CN 103162693 A CN103162693 A CN 103162693A
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Abstract
The invention relates to a lane information display method and a navigation device. The lane information display method comprises the following steps of storing cartographic information and lane information, wherein the lane information comprises lane direction information, and displaying the lane information according to a current position and a path direction when the current position satisfies prompt conditions of the lane information. Through pre-storing of the lane information and display of the lane information in navigation device-based navigation, comprehensive, specific and accurate navigation information is provided for users.
Description
Technical field
The present invention relates to navigation field, more particularly, relate to a kind of lane information display method and navigator.
Background technology
Navigator refers to possess the relevant various functions in position, as the equipment of the functions such as navigation or location.Its principle of work is the position coordinates that navigator is determined ad-hoc location, and the position coordinates of putting down in writing in the electronic chart that itself and self are stored mates, and determines the accurate location of navigation object in electronic chart of this navigator of lift-launch with this.Navigator can be car-mounted terminal, portable navigation device, mobile phone terminal etc.Navigation object can be vehicle, pedestrian etc.After the user set departure place and destination, the electronic map data that navigator can store according to self calculated guidance path, and according to calculate guidance path navigate for the user.Along with the continuous progress of technology, the equipment of the various location-based services such as the navigation that reception far-end (as server) provides, location also can be referred to as navigator.
Present navigator can be pointed out for the user in critical positions such as crossings in the process for user navigation, " as the place ahead * * meter, please turn left " etc., provide certain aspect for the user travels.But these promptings not enough comprehensively, concrete not, can not be more accurate finerly navigate for the user.
Summary of the invention
The technical problem to be solved in the present invention is, for can only the providing prompting in critical positions such as crossings and cause the incomplete defective of navigation information of existing navigator, provides a kind of lane information display method and navigator.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of lane information display method, comprise the following steps:
Storing map information and lane information, described lane information comprises the track directional information;
According to current location and path direction, when current location satisfies the lane information implied condition, show lane information.
Described lane information also comprises lane line information.
Described demonstration lane information is specially: described lane information implied condition is that current location is less than or equal to predeterminable range apart from the range of driving distance along the path direction front specific location, and perhaps the current location distance is less than or equal to Preset Time along the range of driving time of path direction front specific location.
Described path direction is guidance path direction or actual travel direction.
Described demonstration lane information is specially:
Generate track prompting subgraph on map interface, use direction arrow to indicate the track directional information in each track in described track prompting subgraph;
The direction arrow in track consistent with guidance path in described track prompting subgraph is highlighted.
Described demonstration lane information is specially:
Map interface is the three-dimensional map interface, uses direction arrow to indicate the track directional information on the road at described three-dimensional map interface;
Indicate guidance path in the road at described three-dimensional map interface.
Describedly when satisfying the lane information implied condition, current location shows that the step of lane information is specially: eject picture when current location satisfies the lane information implied condition, and showing described lane information in described picture, described picture comprises: map, realistic picture, photo, abstract graph or mode chart.
The present invention also provides a kind of navigator, comprising:
Memory module is used for storing map information and lane information, and described lane information comprises the track directional information;
The lane information reminding module according to current location and path direction, when current location satisfies the lane information implied condition, shows lane information.
Described lane information reminding module further comprises:
The implied condition judging unit is used for judging whether current location satisfies the lane information implied condition, is to start the lane information display unit; Described lane information implied condition is that current location is less than or equal to predeterminable range apart from the range of driving distance along the path direction front specific location, and perhaps the current location distance is less than or equal to Preset Time along the range of driving time of path direction front specific location;
The lane information display unit is used for showing described lane information.
Described lane information display unit further comprises:
Direction arrow shows subelement, is used for generating prompting subgraph in track on map interface, uses direction arrow to indicate the track directional information in each track in described track prompting subgraph;
Highlight subelement, point out the direction in track consistent with guidance path in subgraph to highlight in described track.
When map interface was the three-dimensional map interface, described lane information display unit further comprised: direction arrow shows subelement, is used for using direction arrow to indicate the track directional information on the road at three-dimensional map interface; Guidance path shows subelement, is used for indicating guidance path at the road at described three-dimensional map interface.
Described lane information display unit is used for ejecting picture when current location satisfies the lane information implied condition, and shows described lane information in described picture, and described picture comprises: map, realistic picture, photo, abstract graph or mode chart.
Implement lane information display method of the present invention and navigator, have following beneficial effect: the present invention is by pre-stored lane information, thereby show lane information on map interface in the process of navigator navigation, for the user provides comprehensive, concrete and accurate navigation information.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in accompanying drawing:
Fig. 1 is the process flow diagram of lane information display method according to a preferred embodiment of the invention;
Fig. 2 is the track prompting subgraph according to the first prompting mode of lane information display method of the present invention;
Fig. 3 a is ejection picture the first embodiment schematic diagram according to the first prompting mode of lane information display method of the present invention; Fig. 3 b is ejection picture the second embodiment schematic diagram according to the first prompting mode of lane information display method of the present invention;
Fig. 4 is the three-dimensional map interface according to the second prompting mode of lane information display method of the present invention;
Fig. 5 is the module diagram of navigator according to a preferred embodiment of the invention;
Fig. 6 is the schematic diagram of lane information reminding module according to a preferred embodiment of the invention navigator.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.
See also Fig. 1, be the process flow diagram of according to a preferred embodiment of the invention lane information display method.As shown in Figure 1, the lane information display method that provides of this embodiment specifically comprises the following steps:
At first, in step S101, storing map information and lane information, described lane information comprises the track directional information, perhaps further comprises lane line information.Storage is used for cartographic information in this step, comprises geodata and road data etc.Cartographic information can be shown by map interface, and map interface is generally two-dimentional, can be also three-dimensional.Also gather and store simultaneously lane information, this lane information comprises, the track directional information in road each track is as " craspedodrome ", " left-hand rotation ", " right-hand rotation " information such as " turn around ", can also comprise lane line information, as " dotted line ", " solid line ", " double amber lines " etc.Described lane information can also comprise that along the road information in direction the place ahead, track, described road information comprises road name etc.
Subsequently, in step S102, according to current location and path direction, when current location satisfies the lane information implied condition, show lane information.At first need in this step to determine path direction, then judge whether current location satisfies the lane information implied condition, this path direction is to be guidance path direction or actual travel direction.
If this path direction is the actual travel direction, determine in this step S102 that the step of path direction comprises by current location and vehicle mobile orientation determination actual travel direction.Wherein, current location can position by gyroscope or receiving satellite positioning signals, satellite positioning signal such as gps signal etc.
If this path direction is the guidance path direction, at first the step of determining path direction in this step S102 needs to carry out conventional navigation step and obtains the guidance path direction, and it specifically can comprise following detailed step:
At first, determine departure place, destination information.Wherein, determine that departure place information can determine by the departure place information that receives user's input, also can be defined as departure place information to current location.Wherein, current location can position by gyroscope or receiving satellite positioning signals, satellite positioning signal such as gps signal etc., and current location is defined as departure place information.Wherein, determine that the destination can determine by the destination information that receives user's input, also can receive the destination information that sends from other equipment and determine.
Subsequently, carry out path planning according to departure place, destination information and pre-stored cartographic information and obtain guidance path.Can calculate and obtain guidance path according to the path planning mode that the user selects in this step, wherein the path planning mode comprises: minimum charge, shortest path, preferential or system recommendation at a high speed.
At last, navigate according to current location and described guidance path.The navigation that provides in this step can be Voice Navigation or dynamic interface navigation, can be also that the navigation of Voice Navigation and dynamic interface combines.The dynamic interface navigation can be to show described guidance path and current location on electronic chart, because navigation object is transportable, be that current location changes, the current location that shows on electronic chart also moves thereupon, and the current location that shows on electronic chart can be used icon representation.Voice Navigation can be to arrive or approach signal lamp, turning, crossing, minute branch road, expressway entrance and exit etc. need the place of pointing out in current location, carries out voice suggestion.
The present invention shows lane information especially in above-mentioned navigation procedure.The present invention can show this lane information when current location satisfies the lane information implied condition.In the present embodiment, judge whether the current location distance is less than or equal to predeterminable range along the range of driving distance of path direction front specific location, and perhaps whether the current location distance is less than or equal to Preset Time along the range of driving time of path direction front specific location.Be to satisfy the lane information implied condition to show lane information, do not continue to detect otherwise do not satisfy the lane information implied condition.This ad-hoc location refers to the positions such as signal lamp, turning, crossing, minute branch road or expressway entrance and exit.Vehicle need to be selected the track of travelling when being about to arrive these positions, therefore when also having a segment distance from these characteristics positions, show that just lane information reminds the user.
In some embodiments of the invention, show in above-mentioned steps S102 that the step of lane information can be specially: generate track prompting subgraph on map interface, use direction arrow to indicate the track directional information in each track at this track prompting subgraph; Point out the direction arrow in track consistent with guidance path in subgraph to highlight in the track, as the highlighted demonstration of the direction arrow in the track consistent with guidance path, the direction arrow in inconsistent track shows with grey.Please in conjunction with consulting Fig. 2, be the track prompting subgraph according to the first prompting mode of lane information display method of the present invention.As shown in Figure 2, drawn lane information in this track prompting subgraph, comprise track directional information and lane line information, and on each track, use direction arrow to indicate the track directional information, wherein direction arrow 201 representatives " turning around ", direction arrow 202,203 and 204 representatives " craspedodrome ".Be labeled with lane line information between each track simultaneously, as " dotted line " or " solid line ", this track prompting electronic chart can also show along the road information in direction the place ahead, track, as show the road name in each the place ahead, track, be red litchi West Road as left 1 track road ahead, in 1 track road ahead be fragrant Mei Lu, right 1 track is red Li Lu, each marks red litchi West Road, Xiang Meilu and red Li Lu in position corresponding to 3 tracks, described road information can be used word, also can show with forms such as guideboards.In the present embodiment, guidance path is designated as craspedodrome, and the direction arrow 202,203 and 204 in track that will be consistent with guidance path is used highlighted demonstration, and the direction arrow 201 use grey in inconsistent track show.Although provided concrete display mode in the present embodiment, but the present invention can also adopt other difference display mode, for example to the direction arrow in the track consistent with the guidance path mode with flicker, perhaps be arranged to noticeable color, show as redness etc.Can adopt unconspicuous lines or color to show with guidance path inconsistent track.
In other preferred embodiments of the present invention, when satisfying the lane information implied condition, current location shows the step of lane information in abovementioned steps S102, ejecting picture in the time of can satisfying the lane information implied condition as Fig. 3 a or Fig. 3 current location that b is shown in, is generally the peripheral pictures in the positions such as front signal lamp, turning, crossing, minute branch road or expressway entrance and exit.Described picture comprises: map, realistic picture, photo, abstract graph or mode chart etc.The picture that ejects as left side in Fig. 3 a is mode chart, and the picture that in Fig. 3 b, eject in the left side is realistic picture.The embodiment of the present invention all represents lane information on picture.
The map interface of some embodiments of the invention can be also the three-dimensional map interface.See also Fig. 4, map interface is the three-dimensional map interface in Fig. 4, therefore the step that shows lane information in above-mentioned steps S102 is specially directly uses direction arrow to indicate the track directional information on the road at three-dimensional map interface, such as " craspedodrome " and " right-hand rotation " etc.Simultaneously, indicate guidance path in the road at three-dimensional map interface, preferred, indicate guidance path on can be in the road at three-dimensional map interface in this step consistent with guidance path track, as having indicated guidance path in Fig. 4 on the 3rd track.
See also Fig. 5, be the module diagram of according to a preferred embodiment of the invention navigator.As shown in Figure 5, the navigator that provides of this embodiment comprises memory module 10 and lane information reminding module 20 at least.
Wherein, memory module 10 is used for storing map information and lane information, and described lane information comprises the track directional information, perhaps further comprises lane line information.In memory module 10, storage for the cartographic information that navigates, comprises geodata and road data etc.Simultaneously, gather and store lane information, this lane information comprises, the track directional information in each track of road, as " craspedodrome ", " left-hand rotation ", " right-hand rotation " information such as " turn around ", can also comprise lane line information, as " dotted line ", " solid line ", " double amber lines " etc.
Lane information reminding module 20 is used for according to current location and path direction, when current location satisfies the lane information implied condition, shows lane information.At first this lane information reminding module 20 needs definite path direction, then judges whether current location satisfies the lane information implied condition, and this path direction is to be guidance path direction or actual travel direction.
If this path direction is the actual travel direction, this lane information reminding module 20 determines that the step of path direction comprises by current location and vehicle mobile orientation determination actual travel direction.Wherein, current location can position by gyroscope or receiving satellite positioning signals, satellite positioning signal such as gps signal etc.
If this path direction is the guidance path direction, at first the step of determining path direction in this lane information reminding module 20 needs to carry out conventional navigation step and obtains the guidance path direction, and it specifically can comprise following detailed step:
At first, determine departure place and destination information.Wherein, determine that departure place information can determine by the departure place information that receives user's input, also can be defined as departure place information to current location.Wherein, current location can position by gyroscope or receiving satellite positioning signals, satellite positioning signal such as gps signal etc., and current location is defined as departure place information.Wherein, determine that the destination can determine by the destination information that receives user's input, also can receive the destination information that sends from other equipment and determine.
Subsequently, carry out path planning according to departure place, destination information and pre-stored cartographic information and obtain guidance path.At this, can calculate and obtain guidance path according to the path planning mode that the user selects, wherein the path planning mode comprises: minimum charge, shortest path, preferential or system recommendation at a high speed.
At last, navigate according to current location and described guidance path.Navigation provided by the invention can be Voice Navigation or dynamic interface navigation, can be also that the navigation of Voice Navigation and dynamic interface combines.The dynamic interface navigation can be to show described guidance path and current location on electronic chart, because navigation object is transportable, be that current location changes, the current location that shows on electronic chart also moves thereupon, and the current location that shows on electronic chart can be used icon representation.Voice Navigation can be to arrive or approach signal lamp, turning, crossing, minute branch road, expressway entrance and exit etc. need the place of pointing out in current location, carries out voice suggestion.
The present invention shows lane information by lane information reminding module 20 especially in above-mentioned navigation procedure.The present invention can show this lane information when current location satisfies the lane information implied condition.See also Fig. 6, be the schematic diagram of lane information reminding module in navigator according to a preferred embodiment of the invention.As shown in Figure 6, this lane information reminding module 20 not only has the not shown conventional navigation elements that is used for obtaining guidance path, also comprises at least as shown in the figure implied condition judging unit 21 and lane information display unit 22.Conventional navigation elements is the functional unit that common navigator has, and it is used for carrying out dynamic interface navigation and/or voice for navigation according to current location and guidance path.
Implied condition judging unit 21 is used for judging whether current location satisfies the lane information implied condition, is to start the lane information display unit, otherwise proceeds to detect; This lane information implied condition is that current location is less than or equal to predeterminable range apart from the range of driving distance along the path direction front specific location, perhaps the current location distance is less than or equal to Preset Time along the range of driving time of path direction front specific location, and described path direction is guidance path direction or actual travel direction.This ad-hoc location refers to the positions such as signal lamp, turning, crossing, minute branch road or expressway entrance and exit.That is to say that vehicle need to select the track of travelling when being about to arrive these positions, therefore when also having a segment distance from these characteristics positions, show that just lane information reminds the user.
Lane information display unit 22 is used for showing lane information at map interface.
In a preferred embodiment of the invention, this lane information display unit further comprises: direction arrow shows subelement and highlights subelement.The lane information display unit shows that the concrete mode of lane information comprises:
Direction arrow shows that subelement generates track prompting subgraph on map interface, uses direction arrow to indicate the track directional information in each track at this track prompting subgraph.The direction arrow that highlights track that will be consistent with guidance path in subelement track prompting subgraph highlights, and as the highlighted demonstration of the direction arrow in the track consistent with guidance path, the direction arrow in inconsistent track shows with grey.Please in conjunction with consulting Fig. 2, be the track prompting subgraph according to the first prompting mode of lane information display method of the present invention.As shown in Figure 2, drawn lane information in this track prompting subgraph, comprise track directional information and lane line information, and on each track, use direction arrow to indicate the track directional information, wherein direction arrow 201 representatives " turning around ", direction arrow 202,203 and 204 representatives " craspedodrome ".Be labeled with lane line information between each track simultaneously, as " dotted line " or " solid line ", this track prompting electronic chart can also show along the road information in direction the place ahead, track, as show the road name in each the place ahead, track, be red litchi West Road as left 1 track road ahead, in 1 track road ahead be fragrant Mei Lu, right 1 track is red Li Lu, each marks red litchi West Road, Xiang Meilu and red Li Lu in position corresponding to 3 tracks, described road information can be used word, also can show with forms such as guideboards.In the present embodiment, guidance path is designated as craspedodrome, and the direction arrow 202,203 and 204 in track that will be consistent with guidance path is used highlighted demonstration, and the direction arrow 201 use grey in inconsistent track show.Although provided concrete display mode in the present embodiment, but the present invention can also adopt other difference display mode, for example to the direction arrow in the track consistent with the guidance path mode with flicker, perhaps be arranged to noticeable color, show as redness etc.Can adopt unconspicuous lines or color to show with guidance path inconsistent track.
In other preferred embodiments of the present invention, the lane information display unit, ejecting picture in the time of can satisfying the lane information implied condition as Fig. 3 a or Fig. 3 current location that b is shown in, is generally the peripheral pictures in the positions such as front signal lamp, turning, crossing, minute branch road or expressway entrance and exit.Described picture comprises: map, realistic picture, photo, abstract graph or mode chart etc.The picture that ejects as left side in Fig. 3 a is mode chart, and the picture that in Fig. 3 b, eject in the left side is realistic picture.The embodiment of the present invention all represents lane information on picture.
The map interface of some embodiments of the invention can be also the three-dimensional map interface.See also Fig. 4, map interface is the three-dimensional map interface in Fig. 4, therefore the lane information display unit further comprises: direction arrow shows that subelement and guidance path show subelement, the lane information display unit can be directly uses direction arrow to indicate the track directional information on the road at three-dimensional map interface, such as " craspedodrome " and " right-hand rotation " etc.Simultaneously, guidance path shows that subelement indicates guidance path in the road at three-dimensional map interface, and is preferred, indicates guidance path on the track consistent with guidance path in the road at three-dimensional map interface, as having indicated guidance path in Fig. 4 on the 3rd track.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that when not breaking away from the scope of the invention, can carry out various variations and be equal to replacement.In addition, for adapting to specific occasion or the material of the technology of the present invention, can carry out many modifications and not break away from its protection domain the present invention.Therefore, the present invention is not limited to specific embodiment disclosed herein, and comprises that all drop into the embodiment of claim protection domain.
Claims (12)
1. a lane information display method, is characterized in that, comprises the following steps:
Storing map information and lane information, described lane information comprises the track directional information;
According to current location and path direction, when current location satisfies the lane information implied condition, show lane information.
2. lane information display method according to claim 1, is characterized in that, described lane information also comprises lane line information.
3. lane information display method according to claim 1, it is characterized in that, described demonstration lane information is specially: described lane information implied condition is that current location is less than or equal to predeterminable range apart from the range of driving distance along the path direction front specific location, and perhaps the current location distance is less than or equal to Preset Time along the range of driving time of path direction front specific location.
4. lane information display method according to claim 1, is characterized in that, described path direction is guidance path direction or actual travel direction.
5. lane information display method according to claim 4, is characterized in that, described demonstration lane information is specially:
Generate track prompting subgraph on map interface, use direction arrow to indicate the track directional information in each track in described track prompting subgraph;
The direction arrow in track consistent with guidance path in described track prompting subgraph is highlighted.
6. lane information display method according to claim 4, is characterized in that, described demonstration lane information is specially:
Map interface is the three-dimensional map interface, uses direction arrow to indicate the track directional information on the road at described three-dimensional map interface;
Indicate guidance path in the road at described three-dimensional map interface.
7. according to claim 1 and 2 or 3 or 4 described lane information display methods, it is characterized in that, describedly when satisfying the lane information implied condition, current location shows that the step of lane information is specially: eject picture when current location satisfies the lane information implied condition, and showing described lane information in described picture, described picture comprises: map, realistic picture, photo, abstract graph or mode chart.
8. a navigator, is characterized in that, comprising:
Memory module is used for storing map information and lane information, and described lane information comprises the track directional information;
The lane information reminding module according to current location and path direction, when current location satisfies the lane information implied condition, shows lane information.
9. navigator according to claim 8, is characterized in that, described lane information reminding module further comprises:
The implied condition judging unit is used for judging whether current location satisfies the lane information implied condition, is to start the lane information display unit; Described lane information implied condition is that current location is less than or equal to predeterminable range apart from the range of driving distance along the path direction front specific location, and perhaps the current location distance is less than or equal to Preset Time along the range of driving time of path direction front specific location;
The lane information display unit is used for showing described lane information.
10. navigator according to claim 9, is characterized in that, described lane information display unit further comprises:
Direction arrow shows subelement, is used for generating prompting subgraph in track on map interface, uses direction arrow to indicate the track directional information in each track in described track prompting subgraph;
Highlight subelement, point out the direction in track consistent with guidance path in subgraph to highlight in described track.
11. navigator according to claim 9 is characterized in that, described lane information display unit further comprises:
Direction arrow shows subelement, is used for using direction arrow to indicate the track directional information on the road at three-dimensional map interface;
Guidance path shows subelement, is used for indicating guidance path at the road at described three-dimensional map interface.
12. navigator according to claim 9, it is characterized in that, described lane information display unit is used for ejecting picture when current location satisfies the lane information implied condition, and showing described lane information in described picture, described picture comprises: map, realistic picture, photo, abstract graph or mode chart.
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