CN101196404A - Navigation electronic map display equipment - Google Patents
Navigation electronic map display equipment Download PDFInfo
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- CN101196404A CN101196404A CNA2007101515768A CN200710151576A CN101196404A CN 101196404 A CN101196404 A CN 101196404A CN A2007101515768 A CNA2007101515768 A CN A2007101515768A CN 200710151576 A CN200710151576 A CN 200710151576A CN 101196404 A CN101196404 A CN 101196404A
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Abstract
The invention discloses a road modeling module as a guidance electronic map displaying device, used for building the corresponding network module for the road in the electronic map according to the actual situation of road and building the topological relation graph between roads; a road property deploying module, used for granting public property or private property to the road in the network module according to the actual situation of road and storing in the guidance electronic map database; a path programming module, used for fixing the driving track of vehicle; a GPS positioning module, used for fixing the current position of vehicle; a displaying module, used for display the electronic map information around the current position of vehicle fixed by the path programming path and the GPS positioning module by making the road of private property. By adopting the road deploying module, the property of the road is deployed into public property or private property, which makes the displaying effect more accurate.
Description
Technical field
The present invention relates to the map of navigation electronic field, refer to a kind of navigation electronic map display equipment especially.
Background technology
Along with the continuous development of onboard navigation system application technology, vehicle mounted guidance hardware, software reach its maturity, and navigation data information is progressively perfect.In existing onboard navigation system, the road attribute of map of navigation electronic has comprised attribute informations such as " road name ", " category of roads ", " road width ", " number of track-lines ", can in navigational system, realize vehicle-mounted navigation features such as information inquiry, map demonstration, path planning, route guidance according to these attribute informations, promote the development of onboard navigation system technology to a great extent, made onboard navigation system convenient and practical.
The prior art navigation electronic map display equipment is divided into can navigate road and Fei Ke navigation road with road.During showing the way and directly plan, the described road that navigates can be used to carry out the road of path computing; The described road that can be used to carry out path computing refers to open and the transitable road of automobile.During showing the way and directly plan, the described non-road that navigates should not be used to carry out the road of path computing.For example internal passageway such as school, sub-district, sight spot, park, private road are non-navigation road.For non-navigation road, the prior art navigation electronic map display equipment does not show road with it as path planning road and map background, as shown in Figure 1, the road of " sub-district in the dawn " lining is an internal passageway, so the sub-district internal passageway does not show on navigating instrument as the non-road that navigates, and that is to say that whole " sub-district in the dawn " is shown as inside and do not have road on navigation map.This display mode is not meet very much reality, for the user, also can't understand the road conditions in the sub-district, and display effect is poor.
Summary of the invention
The problem to be solved in the present invention provides the accurate navigation electronic map display equipment of a kind of display effect.
In order to address the above problem, the technical scheme of navigation electronic map display equipment of the present invention comprises:
The road modeling module, being used for according to the real road situation is that the road of electronic chart is set up its corresponding network model and set up topological relation figure between the road;
The road attribute configuration module, the road that is used for actual conditions according to road and is described network model is given publicly-owned attribute or privately owned attribute and is stored in the navigation electronic;
Path planning module is used for determining the driving path of vehicle;
The GPS locating module is used for determining the current location of vehicle;
Display module is used for according to the electronic map information of described path planning module and the determined vehicle current location of described GPS locating module periphery and is that the road of privately owned attribute shows as a setting with attribute.
Described GPS locating module comprises:
Gps antenna is used to receive the GPS positioning signal;
The vehicle pulse transducer is used for the pulse number that the measuring vehicle driving process unit interval receives;
GPS-gyroscope all-in-one is used for the accurate distance according to the output signal calculating vehicle ' of described gps antenna and described vehicle pulse transducer.
Described GPS-gyroscope all-in-one comprises:
The GPS dash receiver is used for the accurate latitude and longitude coordinates according to the output signal calculating gps antenna position of described gps antenna;
Gyroscope is used for the instantaneous angular velocity of computational tasks vehicle;
The pulsed signal device is used to receive the signal of described vehicle pulse transducer;
Control computation unit is used for calculating according to the output of described GPS dash receiver, described gyroscope and described pulsed signal device the position at vehicle place.
Compared with prior art, the beneficial effect of navigation electronic map display equipment of the present invention is:
At first, owing to adopt the road attribute configuration module, be publicly-owned attribute or privately owned attribute with the attribute configuration of road, make display effect more accurate.
Description of drawings
Fig. 1 is the synoptic diagram that the prior art navigation electronic map display equipment shows;
Fig. 2 is the synoptic diagram of navigation electronic map display equipment of the present invention;
Fig. 3 is the synoptic diagram that adopts navigation electronic map display equipment of the present invention to show;
Fig. 4 is the structural representation of the GPS locating module among Fig. 2.
Embodiment
As shown in Figure 2, the voice guiding device of expressway of the present invention branch point comprises:
Road modeling module 1, being used for according to the real road situation is that the road of electronic chart is set up its corresponding network model and set up topological relation figure between the road;
Road attribute configuration module 2, the road that is used for actual conditions according to road and is described network model is given publicly-owned attribute or privately owned attribute and is stored in the navigation electronic;
Path planning module 3 is used for determining the driving path of vehicle;
GPS locating module 4 is used for determining the current location of vehicle;
Display module 5 is used for according to the electronic map information of described path planning module 3 and described GPS locating module 4 determined vehicle current location peripheries and is that the road of privately owned attribute shows as a setting with attribute.
From the above, road attribute configuration module 2 is divided into publicly-owned attribute and privately owned attribute with the attribute of road; Described publicly-owned attribute refers to that road belongs to publicly-owned, and promptly all vehicles road that can pass through can be used as the path planning navigation in navigational system.Described privately owned attribute refers to that road belongs to privately owned or inner road, the road that has only particular vehicle or inner POV to pass through, and common vehicle must could be passed through after allowing, and this road does not navigate as path planning in navigational system.Privately owned road comprises: sub-district, school, mansion, sight spot, park, organ and enterprises and institutions' internal passageway and private road.It is that the road of publicly-owned attribute is to determine driving path that path planning module 3 is searched road attribute, the driving path that display module 5 is planned according to path planning module 3 and the current location of GPS locating module 4 determined vehicles show the electronic map information of vehicle current location periphery, and the attribute of judging periphery is that the road of privately owned attribute shows as a setting, as shown in Figure 3, wherein, its attribute of the road of inside, sub-district is privately owned in the dawn, when in navigating instrument, showing, show with dull colors comparatively.Both reflected the road conditions of inside, sub-district in the dawn,, demonstrated of the difference of the road of privately owned attribute with the road of publicly-owned attribute again by the light and shade contrast of color.
Now the voice guiding device with a kind of expressway branch point of certain company exploitation is that example describes technical scheme of the present invention in detail.
For road modeling module 1, implementation procedure is as follows:
According to road conditions picture track road on electronic chart of reality, and the property value of every road correspondence filled out in corresponding database, for example: the number of track-lines of every section road correspondence, category of roads, current direction, road name, whether charge or the like.Between each bar road and other roads that links to each other, set up node, with the annexation between expression road and the road.So repeatedly, up to all roads all are drawn on the map, and set up the relation that is connected, just formed road network.
For being implemented as follows of road attribute configuration module 2:
To each bar road, at the condition of road surface that actual acquisition arrives, its road is set at privately owned or publicly-owned, the road attribute of setting is kept in the navigation electronic.In navigation electronic, the structure of road attribute table is as follows:
| Index | ?Field | Description |
| 1 | ?ID | The numbering of road |
| 2 | ?NAME | The title of road |
| 3 | ?FNODE | The starting point numbering of road |
| 4 | ?TNODE | The terminal point numbering of road |
| 5 | ?POINT_NUMB | Measuring point quantity |
| 6 | ?ROADCLASS | Category of roads |
| 7 | ?WIDTH | Road width |
| 8 | ?TOLL | Whether charge |
| 9 | ?DIRECTION | Current direction |
| 10 | ?OWNERSHIP | Road is publicly-owned or privately owned |
As above shown in the table: the 10th of road attribute: Ownership represents that promptly road attribute is publicly-owned or privately owned.Value is to be publicly-owned attribute at 1 o'clock, is to be privately owned attribute at 0 o'clock.
Path planning module 3 is implemented as follows:
(1) finds out the road at coordinate place, described destination;
(2) find out the road at described starting point coordinate place;
(3) find out other road that links to each other with the road at described starting point coordinate place, and one the shortest road of selected distance therefrom;
(4) judge whether the described road of choosing in the above-mentioned steps is the road at coordinate place, described destination, (5) are with the described road chosen in the above-mentioned steps road repeated execution of steps (3) as starting point coordinate place if not;
(6) successively the road of all selections is stringed together to obtain a bar navigation circuit.
As shown in Figure 4, GPS locating module 4 comprises:
Gps antenna 10 is used to receive the GPS positioning signal;
Vehicle pulse transducer 11 is used for the pulse number that the measuring vehicle driving process unit interval receives;
GPS-gyroscope all-in-one 12 is used for the accurate distance according to the output signal calculating vehicle ' of described gps antenna 10 and described vehicle pulse transducer 11.
Described GPS-gyroscope all-in-one 12 comprises:
GPS dash receiver 120 is used for the accurate latitude and longitude coordinates according to output signal calculating gps antenna 10 positions of described gps antenna 10;
Gyroscope 121 is used for the instantaneous angular velocity of computational tasks vehicle;
Pulsed signal device 122 is used to receive the signal of described vehicle pulse transducer;
Control computation unit 123 is used for calculating according to the output of described GPS dash receiver 120, described gyroscope 121 and described pulsed signal device 122 position at vehicle place.
The coordinate of the current loca of vehicle is presented at the map that is the center with this point on the navigating instrument corresponding to the corresponding coordinate points on the electronic chart on the navigating instrument.
For being implemented as follows of display module 5:
According to described path planning module 3 and described GPS locating module 4 determined vehicle current locations, real-time drafting is the map picture at center with the traveling automobile.According to the position coordinates of vehicle, can determine the scope that periphery shows, again according to the scope of periphery, retrieve whether attribute is arranged in this scope is privately owned road, show if having then use than dull colors, promptly be shown as background.Other attribute is that publicly-owned road then shows as usual.
In sum, adopt the technical scheme of navigation electronic map display equipment of the present invention, tally with the actual situation, make display effect more accurate.
Claims (3)
1. a navigation electronic map display equipment is characterized in that, comprising:
The road modeling module, being used for according to the real road situation is that the road of electronic chart is set up its corresponding network model and set up topological relation figure between the road;
The road attribute configuration module, the road that is used for actual conditions according to road and is described network model is given publicly-owned attribute or privately owned attribute and is stored in the navigation electronic;
Path planning module is used for determining the driving path of vehicle;
The GPS locating module is used for determining the current location of vehicle;
Display module is used for according to the electronic map information of described path planning module and the determined vehicle current location of described GPS locating module periphery and is that the road of privately owned attribute shows as a setting with attribute.
2. navigation electronic map display equipment as claimed in claim 1 is characterized in that, described GPS locating module comprises:
Gps antenna is used to receive the GPS positioning signal;
The vehicle pulse transducer is used for the pulse number that the measuring vehicle driving process unit interval receives;
GPS-gyroscope all-in-one is used for the accurate distance according to the output signal calculating vehicle ' of described gps antenna and described vehicle pulse transducer.
3. the harvester of road landscape information as claimed in claim 2 and locating information is characterized in that, described GPS-gyroscope all-in-one comprises:
The GPS dash receiver is used for the accurate latitude and longitude coordinates according to the output signal calculating gps antenna position of described gps antenna;
Gyroscope is used for the instantaneous angular velocity of computational tasks vehicle;
The pulsed signal device is used to receive the signal of described vehicle pulse transducer;
Control computation unit is used for calculating according to the output of described GPS dash receiver, described gyroscope and described pulsed signal device the position at vehicle place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101515768A CN101196404A (en) | 2006-12-08 | 2007-09-28 | Navigation electronic map display equipment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620166053 | 2006-12-08 | ||
| CN200620166053.1 | 2006-12-08 | ||
| CNA2007101515768A CN101196404A (en) | 2006-12-08 | 2007-09-28 | Navigation electronic map display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101196404A true CN101196404A (en) | 2008-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101515768A Pending CN101196404A (en) | 2006-12-08 | 2007-09-28 | Navigation electronic map display equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762283B (en) * | 2008-12-25 | 2012-12-26 | 索尼株式会社 | Map data display control apparatus, map data display control method, and program for the same |
| CN103256936A (en) * | 2013-05-31 | 2013-08-21 | 深圳市凯立德欣软件技术有限公司 | Navigation method and positioning navigation equipment |
| CN101634566B (en) * | 2009-07-31 | 2013-08-21 | 深圳市凯立德科技股份有限公司 | Navigation system and method adopted by same for correcting map data |
| CN104422460A (en) * | 2013-09-06 | 2015-03-18 | 上海博泰悦臻电子设备制造有限公司 | Navigation method and navigation device |
| CN107036619A (en) * | 2017-05-27 | 2017-08-11 | 广州汽车集团股份有限公司 | High accuracy geography signal reconstruct method, device, Vehicle Decision Method system and server |
| CN108320184A (en) * | 2018-02-01 | 2018-07-24 | 斑马网络技术有限公司 | For the method, apparatus of vehicle charging, equipment, system and storage medium |
-
2007
- 2007-09-28 CN CNA2007101515768A patent/CN101196404A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762283B (en) * | 2008-12-25 | 2012-12-26 | 索尼株式会社 | Map data display control apparatus, map data display control method, and program for the same |
| CN101634566B (en) * | 2009-07-31 | 2013-08-21 | 深圳市凯立德科技股份有限公司 | Navigation system and method adopted by same for correcting map data |
| CN103256936A (en) * | 2013-05-31 | 2013-08-21 | 深圳市凯立德欣软件技术有限公司 | Navigation method and positioning navigation equipment |
| CN104422460A (en) * | 2013-09-06 | 2015-03-18 | 上海博泰悦臻电子设备制造有限公司 | Navigation method and navigation device |
| CN104422460B (en) * | 2013-09-06 | 2017-08-01 | 上海博泰悦臻电子设备制造有限公司 | A kind of air navigation aid and guider |
| CN107036619A (en) * | 2017-05-27 | 2017-08-11 | 广州汽车集团股份有限公司 | High accuracy geography signal reconstruct method, device, Vehicle Decision Method system and server |
| CN107036619B (en) * | 2017-05-27 | 2019-08-06 | 广州汽车集团股份有限公司 | The geographical signal reconstruct method, apparatus of high-precision, Vehicle Decision Method system and server |
| CN108320184A (en) * | 2018-02-01 | 2018-07-24 | 斑马网络技术有限公司 | For the method, apparatus of vehicle charging, equipment, system and storage medium |
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Open date: 20080611 |