CN101173861A - Navigation device for vehicle and ring shape cross display method - Google Patents
Navigation device for vehicle and ring shape cross display method Download PDFInfo
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- CN101173861A CN101173861A CNA200710167267XA CN200710167267A CN101173861A CN 101173861 A CN101173861 A CN 101173861A CN A200710167267X A CNA200710167267X A CN A200710167267XA CN 200710167267 A CN200710167267 A CN 200710167267A CN 101173861 A CN101173861 A CN 101173861A
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Abstract
The invention provides an on-car use navigation device and an annular crossing displaying method. Even the particular annular crossing formed by the connection of a shared part of two annular paths can by retrieved and displayed. The on-car use navigation device has a memory location, which stores the map data including the identification information given to the annular paths so as to respectively indentify the annular paths which form the annular crossing; a display unit, which displays the guide information; and a control unit, which read a particular annular path corresponding to a particular identification information from the memory location, or read every of the annular paths forming the annular crossing, and display the particular annular crossing path or every annular path on the display unit.
Description
Technical field
The present invention relates to the display packing of navigation device for vehicle and traffic circle, be to relate to and the total part of the circumferential highway more than 2 coupled together the traffic circle that constitutes and show the display packing of the navigation device for vehicle and the traffic circle of guiding more in detail.
Background technology
Use in the guider in existing representative on-board, the own car position on the display map data, and show that own car drives towards the navigation way of destination.
In order to carry out these demonstrations, general navigation device for vehicle will comprise that the road bifurcation point of the bending points such as bend that point of crossing, point and predetermined angular are above is defined as node, the road of connected node is defined as the highway section, the aggregate in node and highway section is stored as map datum.
But, in various bifurcation points, can not retrieve in Japan relatively rare but at more common traffic circles (roundabout) such as America and Europes.Therefore, give the attribute of representing traffic circle, can easily retrieve traffic circle (with reference to patent documentation 1) node and highway section that looping intersects.
Navigation device for vehicle carries out route guidance as described below according to the road-map that comprises this traffic circle.
That is, when having imported departure place and destination, control device retrieving map data show a bar navigation route of selecting with specific algorithm.Wherein, when comprising node with traffic circle attribute and highway section in the navigation way, control device will have the node of traffic circle attribute and the aggregate in highway section is defined as traffic circle.Then, control device reads traffic circle and peripheral path data and other data necessary from memory storage, shows the road-map of the necessary scope that comprises traffic circle on display device.Then, own parking stall detection device detects the position of own car, and control device shows own car according to this position on road-map, carry out the navigation that own car drives towards the destination.
But states such as China have 2 circumferential highways and have the part in node or highway section and couple together the so-called Crossed Circle intersection that constitutes.At this moment, even to constituting the attribute that traffic circle is given in node that Crossed Circle intersects and highway section, the retrieval that Crossed Circle intersects and showing also is not easy.
That is, in common traffic circle, control device will be from entering the node that enters of traffic circle, seek all nodes and highway section that looping intersects successively after, turn back to the process of initial node, be judged as and centered on one week of traffic circle and show.But, when the method being applied to Crossed Circle and intersecting, can not seek successively to constitute to turn back to behind all highway sections that Crossed Circle intersects and enter node, be absorbed in infinite loop.Therefore, can not show that Crossed Circle intersects.
Patent documentation 1: TOHKEMY 2004-117268 communique
Summary of the invention
The present invention proposes in view of above-mentioned prior art problems, purpose is to provide the display packing of a kind of navigation device for vehicle and traffic circle, even the total part of circumferential highway and the special traffic circle that constitutes that couples together also can be retrieved and be shown 2.
In order to solve above-mentioned the problems of the prior art, basic mode of the present invention provides a kind of navigation device for vehicle, to the total part of 2 circumferential highways and the traffic circle that constitutes that couples together shows guiding, this navigation device for vehicle possesses: storage unit, store map data, above-mentioned map datum comprises the identifying information that this circumferential highway is given, so that can discern each circumferential highway that constitutes above-mentioned traffic circle respectively; Display unit shows guidance information; And control module, be connected with said memory cells and above-mentioned display unit, above-mentioned control module reads and the corresponding specific above-mentioned circumferential highway of specific above-mentioned distinguished symbol from said memory cells, perhaps read all above-mentioned circumferential highways that constitute the traffic circle comprise above-mentioned specific circumferential highway, above-mentioned specific circumferential highway or all circumferential highways are presented on the above-mentioned display unit.
If adopt the navigation device for vehicle of the invention described above, has the storage unit of preserving map datum, described map datum comprises the identifying information that each circumferential highway is given, so that the total part of 2 circumferential highways, for example total node or highway section a part and couple together in the traffic circle that constitutes, can discern each circumferential highway that looping intersects respectively.
Thus, can from the storage unit of map datum, read each circumferential highway that looping intersects respectively according to identifying information.And, in each circumferential highway that reads, can begin to retrieve successively all nodes part, that constitute this circumferential highway and the highway section that comprise total node and highway section from the node that enters this circumferential highway, can turn back to initial node after one week around this circumferential highway.Therefore, because control module can judge that each circumferential highway is respectively the road identical with traffic circle, also shown so can retrieve the specific circumferential highway or all circumferential highways that constitute the Crossed Circle intersection.
And, another basic mode of the present invention provides a kind of display packing of traffic circle, in showing the navigation device for vehicle of guiding, uses the traffic circle that the total part and coupling together to 2 circumferential highways constitutes, the display packing of this traffic circle may further comprise the steps: give identifying information and storage to this circumferential highway, so that can discern each circumferential highway that constitutes above-mentioned traffic circle respectively; Read the specific above-mentioned circumferential highway corresponding, perhaps read all above-mentioned circumferential highways that all formations comprise the traffic circle of above-mentioned specific circumferential highway with specific above-mentioned identifying information; Show the above-mentioned specific circumferential highway that reads or all circumferential highways.
If adopt the display packing of the traffic circle of the invention described above, giving identifying information to each circumferential highway is also stored, so that the total part of 2 circumferential highways, for example total node or highway section a part and couple together in the traffic circle that constitutes, can discern each circumferential highway that looping intersects respectively.
Thus, can read each circumferential highway that looping intersects respectively according to identifying information.And, in each circumferential highway that reads, can begin to retrieve successively all nodes part, that constitute this circumferential highway and the highway section that comprise total node and highway section from the node that enters this circumferential highway, can turn back to initial node after one week around this circumferential highway.Therefore, owing to can judge that each circumferential highway is respectively traffic circle, constitute specific circumferential highway that Crossed Circle intersects or all circumferential highway and shown so can retrieve.
Mistake as described above like that, if adopt navigation device for vehicle of the present invention, have the map datum storage unit of preserving identifying information, described identifying information is to couple together every circumferential highway that looping in the traffic circle that constitutes intersects and give information to these circumferential highways in order to discern the total part of 2 circumferential highways respectively.
Thus, control module can read each circumferential highway according to identifying information, and can judge that each circumferential highway is respectively the road identical with common traffic circle, so the enough display unit retrievals of control module energy constitute the specific circumferential highway of Crossed Circle intersection or all circumferential highways are also shown.
If adopt the display packing of traffic circle of the present invention, couple together every circumferential highway that looping in the traffic circle that constitutes intersects in order to discern the total part of 2 circumferential highways respectively, these circumferential highways are given identifying information and preserved.
Thus, can read each circumferential highway according to identifying information, and can judge that each circumferential highway is respectively the road identical with common traffic circle, constitute specific circumferential highway that Crossed Circle intersects or all circumferential highway and shown so can retrieve.
Description of drawings
Fig. 1 is the block scheme of the structure of the navigation device for vehicle that relates to of expression embodiments of the present invention.
Fig. 2 (a), Fig. 2 (b) are the figure (its 1) that Crossed Circle that expression can enough navigation device for vehicle of the present invention shows intersects.
Fig. 3 is the figure (its 2) that Crossed Circle that expression can enough navigation device for vehicle of the present invention shows intersects.
Fig. 4 is the figure of the data structure of the path layer in the navigation device for vehicle that relates to of expression embodiments of the present invention.
Fig. 5 is for the content with the data corresponding with the highway section kind in the path layer data structure of Fig. 4 compares, and the figure of the content of the data of the same highway section kind correspondence in the past of expression.
Fig. 6 is in the display device that navigation device for vehicle possessed that relates to of expression embodiments of the present invention, the planimetric map of the display frame of the 1st kind of situation of the 1st display packing.
Fig. 7 (a), Fig. 7 (b), Fig. 7 (c) are in the navigation device for vehicle that relates to of expression embodiments of the present invention, the planimetric map of the display frame of the 2nd kind of situation of the 1st display packing.
Fig. 8 (a), Fig. 8 (b) are in the navigation device for vehicle that relates to of expression embodiments of the present invention, the planimetric map of the display frame of the 3rd kind of situation of the 1st display packing.
Fig. 9 (a), Fig. 9 (b), Fig. 9 (c) are in the navigation device for vehicle that relates to of expression embodiments of the present invention, the planimetric map of the display frame of the 1st kind of situation of the 2nd display packing.
Figure 10 (a), Figure 10 (b) are in the navigation device for vehicle that relates to of expression embodiments of the present invention, the planimetric map of the display frame of the 2nd kind of situation of the 2nd display packing.
Figure 11 is in the navigation device for vehicle that relates to of expression embodiments of the present invention, the planimetric map of the display frame of a kind of situation of the 3rd display packing.
Embodiment
Below, with reference to the description of drawings embodiments of the present invention.
(the structure explanation of navigation device for vehicle)
The navigation device for vehicle that an embodiment of the invention relate to is except carrying out the general route guidance, also can be used for showing the part in total node of 2 circumferential highways or highway section and the Crossed Circle that constitutes that couples together intersects, confirm own car position or carry out route guidance.
Below, illustrate that with reference to Fig. 2 and Fig. 3 the Crossed Circle that the enough navigation device for vehicle of the present invention of energy show intersects.Fig. 2 (a), Fig. 2 (b) and Fig. 3 are the synoptic diagram that the such Crossed Circle of expression intersects.
(the 1st Crossed Circle intersection)
The 1st Crossed Circle intersection has the structure shown in Fig. 2 (a).That is what, the 1st Crossed Circle intersected total highway section has connected the 1st circumferential highway and the 2nd circumferential highway partially.Below will be called total highway section by total highway section.The shape of each circumferential highway all is circle or quasi-circular.
The the 1st and the 2nd circumferential highway constitutes with the node at more than one highway section and two ends, highway section respectively.
About the highway section, the highway section that constitutes the 1st circumferential highway comprises the highway section of the attribute that has been endowed traffic circle 1 and has been endowed the highway section of the attribute of traffic circle 3 (total highway section); The highway section that constitutes the 2nd circumferential highway comprises the highway section of the attribute that has been endowed traffic circle 2 and has been endowed the highway section of the attribute of traffic circle 3.The highway section of attribute that has been endowed traffic circle 1,2 is by constituting more than 1, and the highway section of attribute that has been endowed traffic circle 3 is also by constituting more than 1.
About node, the total node that the node that constitutes the 1st circumferential highway comprises total two ends, highway section is with not shown but be connected the 1st circumferential highway and connected node from road (highway section) of diverging more than 1 of the 1st circumferential highway fork.And the total node that the node that constitutes the 2nd circumferential highway comprises total two ends, highway section is with not shown but be connected the 2nd circumferential highway and connected node from road (highway section) of diverging more than 1 of the 2nd circumferential highway fork.
(the 2nd Crossed Circle intersection)
The 2nd Crossed Circle intersection has the structure shown in Fig. 2 (b).That is, the 2nd Crossed Circle intersects and has connected the 1st circumferential highway and the 2nd circumferential highway with having total highway section.
Except the shape of each circumferential highway was rectangle, other intersected similarly with the 1st Crossed Circle shown in Fig. 2 (a), and therefore detailed explanation is as the criterion with the explanation that the 1st Crossed Circle intersects.
(the 3rd Crossed Circle intersection)
The 3rd Crossed Circle intersection has structure shown in Figure 3.That is, the total node ground of the 3rd Crossed Circle intersection has connected the 1st circumferential highway and the 2nd circumferential highway.The total node of the 1st circumferential highway and the 2nd circumferential highway is called total node.The shape of circumferential highway all is a rectangle.
The the 1st and the 2nd circumferential highway is made of the node at highway section more than 1 and two ends, highway section respectively.
About the highway section, the highway section that constitutes the 1st circumferential highway comprises the highway section of the attribute that has been endowed traffic circle 1, and the highway section that constitutes the 2nd circumferential highway comprises the highway section of the attribute that has been endowed traffic circle 2.The highway section of attribute that has been endowed traffic circle 1,2 is by constituting more than 1.
About node, the node that constitutes the 1st circumferential highway comprises total node with not shown but be connected the 1st circumferential highway and connected node from road (highway section) of diverging more than 1 of the 1st circumferential highway fork, and the node that constitutes the 2nd circumferential highway comprises that total node is with not shown but be connected the 2nd circumferential highway and connected node from 1 above turnout road (highway section) of the 2nd circumferential highway fork.
The structure of the navigation device for vehicle that an embodiment of the invention relate to then, is described.
Fig. 1 is the figure that roughly represents the structure of this navigation device for vehicle.
In the navigation device for vehicle 20 shown in Figure 1, mark 1 expression DVD-ROM driver, among the DVD-ROM1a that drives by this DVD-ROM driver 1, stored in advance according to engineer's scale (1/12500,1/25000,1/50000 etc.) and be divided into the longitude width of suitable size and the map datum of latitude width.This map datum uses the coordinate set of the point of being represented by longitude and latitude (node) to represent.
Map datum comprises path layer, background layer and literal and mark layer etc., described path layer is used for map match and route searching, described background layer is used for representing various items such as road, park, river, landmark or facility on the map drawing, described literal and mark layer are represented literal such as the title, link name, building name of administrative regions such as city street village title and map label etc.In addition, constitute literal and mark layer in the various layers of map datum, also can comprise point of crossing title and general traffic circle title and Crossed Circle and intersect title etc.
Below, the data structure of the path layer that main explanation is relevant especially with the present invention.Fig. 4 is the figure of the data structure of the path layer that relates to of expression embodiments of the present invention.Fig. 5 is for comparing with the corresponding data content of highway section kind in the path layer data structure of Fig. 4, and expression before this with the figure of the content of the corresponding data of highway section kind.
In the various data that path layer comprised, as shown in Figure 4, road data, pilot data, tracing data, route calculation data and retrieve data etc. are arranged.Below them, also put data necessary and layering in order and preserved.In the various data that path layer comprised, road is represented with the set in node and highway section.The road bifurcation point of the bending point of the bend that node is above with comprising point of crossing, confluence and predetermined angular etc. is corresponding.And the highway section is corresponding with the road part that has connected 2 nodes.
The data such as link information of the annexation in the nodal information that road data comprises the highway section shape data, be made of the whole nodes that constitute road, the road section information that constitutes by the whole highway sections that constitute road and expression node and highway section.
Wherein, nodal information is made of data of the node ID of each node, node coordinate, expression node species etc. etc.The node data that constitutes the Crossed Circle intersection also is stored.
And attribute informations such as road section information is long by the highway section of the width in the attribute of the road section ID in each highway section, guiding object/non-object, highway section and lane information, road category, highway section kind, expression road section length, the top in highway section and the coordinate of terminal etc. constitute.In the layer below the kind of highway section, give and stored 2 identifying informations that circumferential highway is discerned that can be respectively pie graph 2 and Crossed Circle shown in Figure 3 be intersected.
Under the situation of present embodiment, intersect for each Crossed Circle, given the traffic circle highway section 3 these identifying informations to the 1st circumferential highway and the common total highway section of the 2nd circumferential highway as illustrated in fig. 4, given the traffic circle highway section 1 this identifying information to the highway section except that total highway section in the highway section that constitutes the 1st circumferential highway, given the traffic circle highway section 2 these identifying informations to the highway section except that total highway section in the highway section that constitutes the 2nd circumferential highway, and storage respectively.In addition, the information that does not before exist the identification Crossed Circle to intersect in the layer below the kind of highway section, as shown in Figure 5, has only been stored for they this identifying informations of common traffic circle common traffic circle and Crossed Circle intersection.
As map datum, also preserved the data that concern between expression node or highway section and the road name, and represented node or comprise the data that concern between the title that the highway section, point of crossing title in traffic circle highway section, common traffic circle or Crossed Circle intersect.
And, in illustrated navigation device for vehicle 20, the operating portion of mark 2 expression operations guider main body 10 described later.This operating portion for example has the form of remote transmitter.Though not shown, suitably be provided with on the picture of display device (aftermentioned) various menus, the various projects etc. selected in this remote transmitter, perhaps carry out the various action buttons, manual controller of the menu chosen etc. etc.
And mark 3 expressions receive gps signal, the longitude that detects own car current location and the GPS receiver of latitude that sends from gps satellite, mark 4 expression independent navigation sensors.This independent navigation sensor 4 comprises that detecting own garage advances the gyroscope equal angles sensor of direction and the range sensor that the certain distance of every walking just produces pulsatile once, is used to detect the position and the gait of march of own car.Above GPS receiver 3 and independent navigation sensor 4 constitute own parking stall detection device.This own parking stall detection device general using independent navigation sensor 4 detects the position of own car, own car is presented in the display frame, according to the own car of the positional information correction position that obtains from GPS receiver 3, in order to avoid own car breaks away from road in display frame.
And, the communication equipments such as car phone machine that mark 5 expression and various service centres communicate, mark 6 expressions receive the VICS receiver of VICS (Vehicle Information and Communication System) information that sends from electric wave beacon or light beacon.
And, display device such as mark 7 expression LCD, this display device 7 is according to the control of guider main body 10 described later, and relevant with navigation basically navigation information (current location of own car (vehicle position mark) and map on every side thereof, from origin to destination navigation way and other guidance information etc.) is offered user (especially driver) on picture.And this display device 7 also shows the computing and the relevant information of display process of carrying out with navigation device for vehicle 20 on picture.
And, in guider main body 10, the memory buffer of mark 11 map datum that to be interim storages read from DVD-ROM1a by DVD-ROM driver 1.
And, the mapping portion that the drafting that mark 13 is to use the map datum that is read in the memory buffer 11 to carry out map image is handled, mark 14 is operation screen and the mark generating units that generate various marks such as various menu screens (operation screen) and vehicle position mark, cursor according to running-active status, the 15th, be used to store the navigation way storage part of the data relevant with navigation way.15 storages of this navigation way storage part and the departure place that constitutes the navigation way that retrieves from control part 12 are to the relevant data of all nodes of the road of destination (point coordinate that shows with longitude and latitude).And, when in navigation way, comprising common traffic circle and Crossed Circle intersection, the relevant data of annexation that storage intersects with highway section and common traffic circle and Crossed Circle.And mark 16 expression navigation way drafting portions have the data that read navigation way from navigation way storage part 15, the function of using the manifestation mode different with other road (change color, increase line thickness etc.) to draw this navigation way.
And, mark 19 presentation videos synthesize portion, have according to the control of control part 12 described later navigation way is drawn the navigation way that portion 16 is drawn, operation screen and operation screen that mark generating unit 14 generated and various marks etc., overlap basically on the map image of drawing by mapping portion 13, and be presented at function on the picture of display device 7.And, the synthetic portion 19 of image also have with the computing information relevant of being undertaken by navigation device for vehicle 20 like that as described later with display process, be presented at the function on the picture of display device 7.Mark 18 expression audio output units are exported to loudspeaker 8 according to the control of control part 12 with voice signal (guidance information relevant with navigation).
And control part 12 is made of microcomputer etc., is built-in with the program (be used to carry out the route retrieval process and guide the program of necessary demonstration output control etc. based on the route of this processing) of navigation usefulness.Carry out the following all processing relevant according to this program:, detect the current location of own car according to signal from 3 outputs of GPS receiver with navigation; Perhaps, calculate the position or the travel speed (speed of a motor vehicle) of own car according to signal from 4 outputs of independent navigation sensor; Perhaps read the memory buffer 11 from the map datum that DVD-ROM1a will want to show by DVD-ROM driver 1; Perhaps use the map datum be read in the memory buffer 11 and utilize the search condition of setting to retrieve from the departure place (current location of own car) to the navigation way of destination etc.And control part 12 has the control computing carried out of navigation device for vehicle 20 and the function of display process.
And, owing to given traffic circle highway section 1 and 2 such identifying informations to the 1st and the 2nd circumferential highway that constitutes the Crossed Circle intersection respectively, in addition, given traffic circle highway section 3 such identifying information to total highway section, therefore this control part 12 begins to seek successively all nodes and the highway section that constitutes each circumferential highway from the node that enters this circumferential highway, can turn back to initial node after one week around this circumferential highway, can judge that thus this circumferential highway is traffic circle or the road identical with traffic circle, can show this circumferential highway.Then, detect identifying information and become traffic circle highway section 2 or inverse change from traffic circle highway section 1, on the contrary be judged to be from the 1st circumferential highway enter the 2nd circumferential highway or.Thus, can also obtain the link information in traffic circle highway section 1 and traffic circle highway section 2.
In addition, in the navigation device for vehicle 20 of said structure, DVD-ROM1a correspondence " storage unit ", display device 7 correspondences " display unit ", control part 12 correspondences " control module ".
In navigation device for vehicle, comprise the map datum of identifying information in traffic circle highway section 1,2,3 that constitutes the highway section of each circumferential highway that Crossed Circle intersects as expression owing to stored, therefore can be according to the current location of the own car of positional information calculation of own car, in the indication range of own car regulation, whether there is the circumferential highway that has been endowed as the such identifying information in traffic circle highway section 1,2,3 with reference to map datum retrieval, and determining these roads.And, when in navigation way, comprising the Crossed Circle intersection, too.
When having determined such circumferential highway, can read each circumferential highway that constitutes the Crossed Circle intersection respectively from the storage part of map datum.And, in each circumferential highway that reads, can begin from the node that enters this circumferential highway to seek successively and comprise total all highway sections highway section, that constitute this circumferential highway, can turn back to initial node after one week around this circumferential highway.Thus, control part 12 can judge that each circumferential highway is respectively the road identical with traffic circle, can retrieve the specific circumferential highway of formation Crossed Circle intersection or all circumferential highway and demonstrations.
(explanation of the Crossed Circle intersection display packing in the navigation device for vehicle)
Below, 2 kinds of methods that different demonstration Crossed Circles intersects in the navigation device for vehicle that embodiments of the present invention relate to are described.
Show that 2 kinds of diverse ways that Crossed Circle intersects are: set the destination, when comprising the Crossed Circle intersection in its navigation way, show the method for the Crossed Circle intersection that own car and own car are travelling; And the destination is not set, and when own car travels in Crossed Circle intersects, the method that own car during demonstration is travelled and Crossed Circle intersect.
(I) Crossed Circle that relates to of the embodiments of the present invention display packing of intersecting
At first, illustrate under the situation that show navigator route, own car move by this route on the map of the screen displayed of display device 7, when in navigation way, comprising Crossed Circle and intersecting, show the method that Crossed Circle that own car and own car are travelling intersects.
Such display packing has following three kinds.Describe successively below with reference to Fig. 1, Fig. 2 (a), Fig. 4 and Fig. 6 to Figure 11.
Fig. 6 to Figure 11 is the planimetric map of the display frame in the expression display device that navigation device for vehicle possessed.In these figure, comprise that the map around the own car that whole Crossed Circle intersects is presented at the left side, comprise that the map around the own car of own car position is presented at the right side, be presented on this map own car position is overlapping.In the present embodiment, this display packing is applicable to the 1st Crossed Circle shown in above-mentioned Crossed Circle Fig. 2 (a) in intersecting intersects.
(the 1st display packing)
The 1st display packing such as Fig. 6 are to shown in Figure 8, has only own car under the situation that the circumferential highway with the predetermined outlet of rolling away from from the Crossed Circle intersection of own car travels, amplify whole this circumferential highway of demonstration on the right side of display frame, under the situation that is not having to travel in the circumferential highway of outlet when own car, carry out general amplification and show.
When adopting this display packing, following 3 kinds of situations are arranged.3 kinds of display packings under the situation are described respectively below.These modes are illustrated respectively among Fig. 6 to Fig. 8.In two pictures that show, own automobile-used mark by " zero " encirclement arrow is represented.In addition, in the left side picture that shows, " zero " mark part that shows in the picture bottom shows the title that Crossed Circle intersects.Though not expression among the figure also can show to constitute the circumferential highway title that Crossed Circle intersects in the right side picture that shows.And, in the right side picture that shows, can also show identifying information to this tie point according to the data of the tie point (connected node) of branch road and circumferential highway, described turnout is connected with the circumferential highway that the formation Crossed Circle intersects.This some in the 2nd and the 3rd following display packing too.
(a) the 1st kind of situation
The 1st kind of situation supposes that own car enters and roll away from entrance and exit that Crossed Circle intersects all on the 1st circumferential highway as shown in Figure 6, and own car only travels on the 1st circumferential highway, rolls away from from outlet.
At first, if set the destination, the control part of navigation device for vehicle is selected navigation way with reference to map datum.At this moment, comprise the identifying information that expression constitutes the circumferential highway of Crossed Circle intersection in the selecteed navigation way.Determine this circumferential highway according to this identifying information, and determine that the Crossed Circle that is made of them intersects.
Then, when the own car that travels according to navigation way near in the predetermined distance that Crossed Circle intersects the time, though not expression among the figure comprises that the navigation way of whole this Crossed Circle intersection is presented at the left side of picture, described Crossed Circle intersects and comprises the circumferential highway of being determined by identifying information.And, show own car position and common road enlarged map on the picture right side.
When own car continues to travel when entering the 1st circumferential highway that Crossed Circle intersects along navigation way, as shown in Figure 6, show own car position and the navigation way that comprises whole Crossed Circle intersection same as described above in the picture left side, but the picture right side is switched, and amplifies the map that shows own car position and comprise whole the 1st circumferential highway.In addition, be identifying information in the numeral of right side screen displayed to giving with the tie point that constitutes branch road that the 1st circumferential highway that Crossed Circle intersects is connected and the 1st circumferential highway.
After this, sail to before the outlet that reaches the 1st circumferential highway, show identical map in own garage.At this moment, own car constantly moves to outlet on the 1st circumferential highway at display frame upper edge navigation way.
(b) the 2nd kind of situation
The 2nd kind of situation supposes that own car enters and roll away from entrance and exit that Crossed Circle intersects all on the 1st circumferential highway as shown in Figure 7, and own car travels on the 1st and the 2nd circumferential highway, rolls away from from outlet.
Since identical with the 1st kind of situation before own car enters the Crossed Circle intersection, its explanation therefore omitted.
When own car when navigation way enters the 1st circumferential highway that Crossed Circle intersects, shown in Fig. 7 (a), show own car position and the navigation way that comprises whole Crossed Circle intersection same as described above in the picture left side, but the right side of picture is switched, and amplifies the map that shows own car position and comprise whole the 1st circumferential highway.After this, before travelling on the 1st circumferential highway and being about to enter the 2nd circumferential highway, show identical map at own car.At this moment, own car moves at display frame upper edge navigation way continuous inlet to the 2nd circumferential highway on the 1st circumferential highway.
Then, if own car travels along navigation way, when shown in Fig. 7 (b), entering the 2nd circumferential highway of Crossed Circle intersection, show own car position and the navigation way that comprises whole Crossed Circle intersection same as described above in the picture left side, but the right side of picture is switched, and amplifies the own car map on every side that shows own car position and comprise own car position.At this moment, the map around the own car constantly changes with advancing of own car.This display packing lasts till that own car will soon roll and enter the 1st circumferential highway away from from the 2nd circumferential highway.
Then, own car continues to travel along navigation way, and when entering the 1st circumferential highway shown in Fig. 7 (c), the picture right side is switched, and amplifies the map that shows own car position and comprise whole the 1st circumferential highway.This display packing lasts till that own car arrives the outlet of the 1st circumferential highway.
(c) the 3rd kind of situation
The 3rd kind of situation supposes that own car enters inlet that Crossed Circle intersects on the 1st circumferential highway as shown in Figure 8, and outlet is on the 2nd circumferential highway, and own car travels on the 1st and the 2nd circumferential highway, rolls away from from outlet.
Since identical with the 1st kind of situation before own car enters the Crossed Circle intersection, its explanation therefore omitted.
When own car when navigation way enters the 1st circumferential highway that Crossed Circle intersects, shown in Fig. 8 (a), show own car position and the map that comprises whole Crossed Circle intersection same as described above in the picture left side, but amplify the map that shows own car position and comprise the own car periphery of own car position on the picture right side.At this moment, the map around the own car is along with travelling of own car constantly changes.This display packing lasts till that own car is about to go out and enter the 2nd circumferential highway from the 1st circumferential highway.
Then, when own car travels according to navigation way, when shown in Fig. 8 (b), entering the 2nd circumferential highway, show own car position and the map that comprises whole Crossed Circle intersection same as described above in the picture left side, but the right side of picture is switched, and amplifies the map that shows own car position and comprise whole the 2nd circumferential highway.This display packing lasts till that own car arrives the outlet of the 2nd circumferential highway.
(the 2nd display packing)
In the 2nd display packing, in 2 circumferential highways that constitute the Crossed Circle intersection, amplify the full annular road that shows that own car is being exercised respectively.
When adopting this display packing, following 2 kinds of situations are arranged.2 kinds of display packings under the situation are described respectively below.These modes are illustrated respectively among Fig. 9 and Figure 10.
(a) the 1st kind of situation
The 1st kind of situation supposes that own car enters and roll away from entrance and exit that the 1st Crossed Circle intersects all on the 1st circumferential highway shown in Fig. 9 (a) to (c), own car travels on the 1st and the 2nd circumferential highway, rolls away from from outlet.
Different with the 1st kind of situation of the 1st display packing is, the 1st kind of situation of the 1st display packing is to amplify to show the own car map on every side that comprises own car in the 2nd circumferential highway of not outlet, and under this situation shown in Fig. 9 (b), in the 2nd circumferential highway of not outlet, also amplify the map that shows own car position and comprise whole the 2nd circumferential highway.
Promptly, own car travels according to the order of the 1st circumferential highway → the 2nd circumferential highway → the 1st circumferential highway, along with own car moves and amplify to show map, the map that comprises whole the 2nd circumferential highway that comprises whole the 1st circumferential highway, the map that comprises whole the 1st circumferential highway successively continuously.
(b) the 2nd kind of situation
The 2nd kind of situation supposes that own car enters inlet that Crossed Circle intersects on the 1st circumferential highway shown in Figure 10 (a) and Figure 10 (b), outlet is on the 2nd circumferential highway, and own car travels on the 1st and the 2nd circumferential highway, rolls away from from outlet.
Different with the 3rd kind of situation of the 1st display packing is, in the 1st circumferential highway of not outlet, amplify the map that shows the own car periphery that comprises own car in the 3rd kind of situation of the 1st display packing, also amplify the map that shows own car position and comprise whole the 1st circumferential highway in the 1st circumferential highway that does not have outlet and be shown in as Figure 10 (a) in this case.
That is, own car travels according to the order of the 1st circumferential highway → the 2nd circumferential highway, along with own car moves and amplify to show the map that comprises whole the 1st circumferential highway, the map that comprises whole the 2nd circumferential highway successively continuously.
(the 3rd display packing)
In the 3rd display packing, no matter own car travels on which circumferential highway, all amplifies respectively to show that whole Crossed Circle intersects.
Owing to when adopting this display packing following a kind of situation is arranged, therefore the following describes the display packing relevant with it.This mode is illustrated among Figure 11.
In this case, suppose that own car enters inlet that Crossed Circle intersects on the 1st circumferential highway, outlet is on the 2nd circumferential highway, and own car is current on the 1st and the 2nd circumferential highway, rolls away from from outlet.
In the 3rd display packing, after having selected to comprise the navigation way of Crossed Circle intersection, determine the circumferential highway that Crossed Circle intersects and constitutes this Crossed Circle intersection with reference to map datum, in view of the above, when own car near apart from specialized range that Crossed Circle intersects the time, show the map that comprises that whole Crossed Circle intersects.So along with moving of own car position, own car is marked on this map and moves.
As mentioned above, if the display packing of the traffic circle that the employing embodiments of the present invention relate to, in order to couple together in the part in total node of 2 circumferential highways or highway section in the traffic circle that constitutes, can discern each bar circumferential highway that looping intersects respectively, each circumferential highway is given identifying information and it is stored as road data.
Thus, can read each circumferential highway respectively according to this identifying information.And, in each circumferential highway that reads, comprise total node or total highway section, can begin to seek successively node and the highway section that constitutes this circumferential highway from the node that enters that enters this circumferential highway, turn back to initial node around this circumferential highway after one week.Therefore, can judge that each circumferential highway is identical with each traffic circle respectively road, can retrieve the specific circumferential highway of looping intersection or all circumferential highways, show.
(II) Crossed Circle that relates to of other embodiment of the present invention display packing of intersecting
Below, the display packing that Crossed Circle that other embodiment of the present invention relates to intersects is described.
The display packing that this Crossed Circle intersects is compared with the display packing that above-mentioned Crossed Circle intersects and is had following difference.Promptly, the display packing that this Crossed Circle intersects shows that with own car position Crossed Circle intersects on this point in that the destination is not set accordingly, and the display packing that above-mentioned Crossed Circle that the destination intersects according to the corresponding demonstration Crossed Circle in position of own car in the navigation way of choosing seeds intersects is different with setting.
Therefore, on the outlet this point of the display packing that this Crossed Circle intersects in not determining in advance to intersect, also with to be predetermined the display packing that the above-mentioned Crossed Circle that exports intersects different from Crossed Circle.From this point, the display packing of can intersecting as the Crossed Circle of other embodiment of the present invention is used, and has No way out all to show the above-mentioned the 2nd and the 3rd display packing of whole piece circumferential highway no matter be.At this moment, show navigator route not.
And, this Crossed Circle intersects display packing need determine at first during Crossed Circle intersects arbitrarily that own car travels according to own car position or the predetermined Crossed Circle that will travel intersects on this point, with to pre-determine the display packing that own car travels or the predetermined Crossed Circle that will travel intersects above-mentioned Crossed Circle intersects different by setting the destination.
The display packing that this Crossed Circle intersects is travelled or the predetermined traffic circle that will travel according to own car in the definite traffic circle arbitrarily in own car position, therefore retrieves own car position highway section and node on every side.After detecting the highway section of having given thus, can determine to comprise the circumferential highway in this highway section, the Crossed Circle that comprises this circumferential highway intersects and constitute another circumferential highway that Crossed Circle intersects as the identification marking in traffic circle highway section 1,2,3.At this moment,, then detect the moving direction of own car, determine that this Crossed Circle intersects with independent navigation sensor etc. if having a plurality of Crossed Circles to intersect on the destination direction that own garage advances detecting on the map.
As mentioned above, if adopt other embodiment of the present invention, couple together each circumferential highway in the traffic circle that constitutes for the part that can discern the total highway section of 2 circumferential highways respectively, give identifying information to the highway section that constitutes every circumferential highway respectively as traffic circle highway section 1,2, give identifying information to total highway section, it is preserved as road data as traffic circle highway section 3.
Thus, can read each circumferential highway respectively according to this identifying information.And, can begin to seek successively and comprise the total node highway section, that constitute this circumferential highway and highway section each circumferential highway that is read from the node that enters that enters this circumferential highway, can turn back to initial node after one week around this circumferential highway.Therefore, can judge that each circumferential highway is respectively the road identical with each traffic circle, can retrieve the specific circumferential highway of looping intersection or all circumferential highways and also be shown.
More than understand the present invention in detail by embodiment, but scope of the present invention is not limited to the concrete example of above-mentioned embodiment, the distortion that does not exceed the above-mentioned embodiment in the scope of order of the present invention within the scope of the present invention.
For example, display packing of the present invention can be used in the 2nd Crossed Circle intersection shown in Fig. 2 (b) equally and the 3rd Crossed Circle shown in Figure 3 intersects.
About data structure, Fig. 4 is its example of expression, but is not limited thereto.In addition, setting the destination, in navigation way, comprise the method that shows when Crossed Circle intersects that own car and the own garage Crossed Circle in advancing intersects, perhaps do not setting the destination, in the method that own car during demonstration is advanced when own car is advanced in Crossed Circle intersects and Crossed Circle intersect, so long as preserved the data structure of the identifying information that can determine that Crossed Circle intersects, be included in the scope of the present invention.
Claims (10)
1. navigation device for vehicle to the total part of 2 circumferential highways and the traffic circle that constitutes that couples together shows guiding, is characterized in that possessing:
Storage unit, store map data, above-mentioned map datum comprises the identifying information that this circumferential highway is given, so that can discern each circumferential highway that constitutes above-mentioned traffic circle respectively;
Display unit shows guidance information;
And control module, read and the corresponding specific above-mentioned circumferential highway of specific above-mentioned distinguished symbol from said memory cells, perhaps read all above-mentioned circumferential highways that constitute the traffic circle comprise above-mentioned specific circumferential highway, above-mentioned specific circumferential highway or all circumferential highways are presented on the above-mentioned display unit.
2. navigation device for vehicle as claimed in claim 1 is characterized in that,
Has the position detection unit that detects own car current location;
When above-mentioned control module enters above-mentioned traffic circle and travels on the perimeter path of this traffic circle of formation at above-mentioned own car, detect the above-mentioned circumferential highway at above-mentioned own car place according to the positional information by the detected above-mentioned own car of above-mentioned position detection unit, the above-mentioned identifying information corresponding with this circumferential highway also determined in retrieval.
3. navigation device for vehicle as claimed in claim 1 is characterized in that,
Has the position detection unit that detects own car current location;
Above-mentioned control module is under the situation of the navigation way of having selected to comprise above-mentioned traffic circle according to the destination of input, when above-mentioned own car enters above-mentioned traffic circle and travels on the perimeter path of this traffic circle of formation, detect the above-mentioned circumferential highway at above-mentioned own car place according to the positional information by the detected above-mentioned own car of above-mentioned position detection unit, the above-mentioned identifying information corresponding with this circumferential highway also determined in retrieval.
4. ring shape cross display method uses in the traffic circle that the total part and coupling together to 2 circumferential highways constitutes shows the navigation device for vehicle of guiding, it is characterized in that,
Give identifying information and storage to this circumferential highway, so that can discern each circumferential highway that constitutes above-mentioned traffic circle respectively;
Read the specific above-mentioned circumferential highway corresponding, perhaps read all above-mentioned circumferential highways that all formations comprise the traffic circle of above-mentioned specific circumferential highway with specific above-mentioned identifying information;
Show the above-mentioned specific circumferential highway that reads or all circumferential highways.
5. the display packing of traffic circle as claimed in claim 4 is characterized in that,
When own car enters the traffic circle in the navigation way and travels, show circumferential highway in the circumferential highway of above-mentioned own car place, that have the outlet that above-mentioned own car rolls away from from above-mentioned traffic circle at least on constituting the perimeter path of this traffic circle.
6. the display packing of traffic circle as claimed in claim 5 is characterized in that,
When above-mentioned own parking stall on the circumferential highway beyond the circumferential highway with outlet that above-mentioned own car rolls away from from above-mentioned traffic circle the time, amplify the road-map that shows above-mentioned own car periphery.
7. the display packing of traffic circle as claimed in claim 4 is characterized in that,
According to travelling of above-mentioned own car, show the above-mentioned circumferential highway at this own car place successively.
8. the display packing of traffic circle as claimed in claim 4 is characterized in that,
Separately be presented in the picture with some in the peripheral path map of the circumferential highway at above-mentioned own car place or this own car with by traffic circle and peripheral map thereof that this circumferential highway constitutes.
9. the display packing of traffic circle as claimed in claim 4 is characterized in that,
When showing above-mentioned circumferential highway, show the information that is used to discern this circumferential highway simultaneously.
10. the display packing of traffic circle as claimed in claim 4 is characterized in that,
When turnout that a plurality of and above-mentioned circumferential highway is connected, the information to the tie point of this turnout and above-mentioned circumferential highway is given this tie point of identification when showing above-mentioned circumferential highway, shows the information of this tie point of identification simultaneously.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006298096A JP2008116262A (en) | 2006-11-01 | 2006-11-01 | On-vehicle navigation apparatus and display method of roundabout |
| JP298096/2006 | 2006-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101173861A true CN101173861A (en) | 2008-05-07 |
Family
ID=39422506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710167267XA Pending CN101173861A (en) | 2006-11-01 | 2007-11-01 | Navigation device for vehicle and ring shape cross display method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008116262A (en) |
| CN (1) | CN101173861A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500713A (en) * | 2015-09-08 | 2017-03-15 | 高德信息技术有限公司 | A kind of air navigation aid and device |
| CN109781132A (en) * | 2019-03-14 | 2019-05-21 | 北京百度网讯科技有限公司 | A kind of experience route replacement method, device, electronic equipment and storage medium |
| CN112699191A (en) * | 2020-12-22 | 2021-04-23 | 北京百度网讯科技有限公司 | Map marking method and device, electronic equipment and readable storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5051046B2 (en) * | 2008-07-31 | 2012-10-17 | アイシン・エィ・ダブリュ株式会社 | Road information guidance device, road information guidance method, and computer program |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677059A (en) * | 2004-03-31 | 2005-10-05 | 株式会社电装 | Car navigation system |
-
2006
- 2006-11-01 JP JP2006298096A patent/JP2008116262A/en not_active Withdrawn
-
2007
- 2007-11-01 CN CNA200710167267XA patent/CN101173861A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677059A (en) * | 2004-03-31 | 2005-10-05 | 株式会社电装 | Car navigation system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500713A (en) * | 2015-09-08 | 2017-03-15 | 高德信息技术有限公司 | A kind of air navigation aid and device |
| CN106500713B (en) * | 2015-09-08 | 2021-09-10 | 阿里巴巴（中国）有限公司 | Navigation method and device |
| CN109781132A (en) * | 2019-03-14 | 2019-05-21 | 北京百度网讯科技有限公司 | A kind of experience route replacement method, device, electronic equipment and storage medium |
| CN112699191A (en) * | 2020-12-22 | 2021-04-23 | 北京百度网讯科技有限公司 | Map marking method and device, electronic equipment and readable storage medium |
| CN112699191B (en) * | 2020-12-22 | 2024-05-14 | 北京百度网讯科技有限公司 | Map marking method, map marking device, electronic equipment and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008116262A (en) | 2008-05-22 |
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Application publication date: 20080507 |