CN1967152A - Navigation device and its crossing enlarged drawing display method - Google Patents

Navigation device and its crossing enlarged drawing display method Download PDF

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Publication number
CN1967152A
CN1967152A CNA200610149456XA CN200610149456A CN1967152A CN 1967152 A CN1967152 A CN 1967152A CN A200610149456X A CNA200610149456X A CN A200610149456XA CN 200610149456 A CN200610149456 A CN 200610149456A CN 1967152 A CN1967152 A CN 1967152A
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point
crossing
connecting line
cross
path
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CN1967152B (en
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山崎升
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Alpine Electronics Inc
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Alpine Electronics Inc
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Abstract

Provided is a navigation device and its crossing enlarged drawing display method, with which a driver is capable of easily identifying driving paths in a crossing enlarged drawing with multi-layer crossings. When a multi-layer crossing enlarged drawing with a multi-layer structure is displayed, only connection line crossings (annular crossing points and crossing points with connecting wires) of self-vehicle running layers are displayed in said crossing enlarged drawing, and guiding routes (GR) are also displayed in the crossing enlarged drawing.

Description

Guider and crossing enlarged drawing display method thereof
Technical field
The present invention relates to a kind of guider and crossing enlarged drawing display method thereof, particularly guider and the crossing enlarged drawing display method thereof that the enlarged drawing of multilayer point of crossing with sandwich construction is shown.
Background technology
On-vehicle navigation apparatus shows map, and (search) retrieved in the path that arrives the destination, the path (path of navigation) that retrieves is presented on the map, and vehicle is guided towards the destination.Such on-vehicle navigation apparatus when cross-point amplifying pattern being shown during near the point of crossing from car, and is shown to the distance of this point of crossing and the direction that vehicle travels in this point of crossing with arrow, and suitably guides by sound.According to this point of crossing guidance function, the driver can easily be familiar with the direct of travel in the point of crossing, and can inerrably drive along path of navigation.
But, be the local a lot of of sandwich construction at Chinese road junction.Figure 17 (A) is the example with multilayer point of crossing of 2 layers of structure, the 1st layer, the 2nd layer structure that all has circle point (Roundabout).The circle point is to connect many road connecting lines (road link) annularly, and goes up the point of crossing that connection enters connecting line, leaves the ring-type of connecting line at the tie point (node) of this road connecting line.In the example of Figure 17 (A), constitute the multilayer point of crossing by ground floor circle point RA1 and the 2nd layer of circle point RA2.China is that vehicle is being kept to the right, to the connecting line that enters of circle point RA1, RA2 be the right side connecting line, leave the connecting line that connecting line is the left side.The situation of Figure 17 (A), be to the point of crossing enter connecting line at node N11~N14 (N13 does not have diagram) to the 1st layer, the 2nd layer branch, and can enter connecting line by after the branch each and enter circle point RA1, RA2.And, leave connecting line in node N21~N24 (N23 does not have diagram) combination from each of the 1st layer, the 2nd layer circle point RA1, RA2, and leave the multilayer point of crossing.The connecting line storage condition of the map data base of the multilayer point of crossing of Figure 17 (B) expression Figure 17 (A), the stain representation node, internodal line segment is represented connecting line.In addition, at Figure 17 (A) thus in because the diagram that enters connecting line, leaves connecting line on opposite can make the complexity of attempting to change omit.
When the enlarged drawing of such multilayer point of crossing shows, the cross-point amplifying pattern of each layer was overlapped, and shown in Figure 17 (E), show paths thereon GR and direct of travel.In addition, set path of navigation GR shown in the thick arrow of the dotted line of Figure 17 (A) or Figure 17 (C), go into the 2nd layer of circle point RA2, westwards leave after passing through this circle point RA2 from southing.But, in the enlarged drawing in the past of Figure 17 (E) shows,, therefore exist the driver can not easily be familiar with the problem of path and direct of travel because the point of crossing of layers 1 and 2 seems to overlap.
Figure 18 (A) is other a example of multilayer point of crossing, is the 1st layer and has circle point RA1, the 2nd layer and have the situation of this circle point being carried out the structure BRG of bridge joint.Figure 18 (B) is the connecting line storage condition of map data base of the multilayer point of crossing of expression Figure 18 (A), the stain representation node, and internodal line segment is represented connecting line.
In the multilayer point of crossing of Figure 18 (A), the connecting line that enters from north and south does not enter the 1st layer of circle point RA1 branch, and does not leave the multilayer point of crossing in combination with connecting line from the 2nd layer from the connecting line that leaves of the 1st layer of circle point RA1 to north and south.And, from east-west direction to the point of crossing enter connecting line at node N31~N32 respectively to the 1st layer, the 2nd layer branch, and each of the 1st layer, the 2nd layer leave connecting line in node N41~N42 combination, leaves the multilayer point of crossing.When the enlarged drawing of such multilayer point of crossing shows, the enlarged drawing of each layer was overlapped, thereon expression path GR and direct of travel shown in Figure 18 (E).In addition, set path of navigation GR shown in the thick arrow of the dotted line of Figure 18 (A) or Figure 18 (C), go into the 1st layer of circle point RA1 from southing, and pass through this circle point RA1 and westwards leave.But, in the enlarged drawing in the past of Figure 18 (E) shows,, therefore exist the driver can not easily be familiar with the problem of path and direct of travel because the enlarged drawing of layers 1 and 2 overlaps.
Figure 19 (A) is other a example of multilayer point of crossing, is that the 1st layer of point of crossing (the Crossing with link) CWL with band connecting line, the 2nd layer have the situation of the point of crossing of this band connecting line being carried out the structure BRG of bridge joint.Figure 19 (B) is the connecting line storage condition of map data base of the multilayer point of crossing of expression Figure 19 (A), the stain representation node, and internodal line segment is represented connecting line.The point of crossing CWL of band connecting line has the connecting line (point of crossing of the connecting line L1 among Figure 19 (A)~L4) in the point of crossing.In Figure 19 (A), the point of crossing CWL that connecting line does not enter the 1st layer of band connecting line branch that enters from north and south, and to the connecting line that leaves in north and south, do not leave the multilayer point of crossing in combination with connecting line from the 2nd layer from the point of crossing CWL of the 1st layer of band connecting line.And, from east-west direction to the point of crossing enter connecting line at node N51~N52 respectively to the 1st layer, the 2nd layer branch, and each of the 1st layer, the 2nd layer leave connecting line in node N61~N62 combination, and leave the multilayer point of crossing.When the enlarged drawing of such multilayer point of crossing shows, the enlarged drawing of each layer was overlapped, and shown in Figure 19 (E), represented path GR and direct of travel thereon.In addition, set path of navigation GR shown in the thick arrow of the dotted line of Figure 19 (A) or Figure 19 (C), go into the point of crossing CWL of the 1st layer of band connecting line, westwards leave through the point of crossing CWL of this band connecting line from southing.But, in the enlarged drawing in the past of Figure 19 (E) shows,, therefore exist the driver can not easily be familiar with the problem of path and direct of travel because the enlarged drawing of layers 1 and 2 seems to overlap.
Moreover, though it is not shown, but exist the point of crossing of circle point and band connecting line to become the multilayer point of crossing of sandwich construction, the multiple multilayer point of crossing such as multilayer point of crossing more than 3 layers, but in cross-point amplifying pattern method in the past, exist the driver can not easily be familiar with the problem of path and direct of travel equally.
Known a kind of as prior art to the path guide method (with reference to patent documentation 1) that path carries out understandable guiding that leaves at circle point.This prior art be near circle point enter road and leave the road between angle calculate as the vehicle angle of revolution of circle point, show remaining angle of revolution corresponding to the revolution of vehicle.
And another prior art improves the visibility of intersection point diagram, can at random be identified in the forward march (patent documentation 2) of guiding point of crossing.This prior art is by not showing unnecessary road, the forward march of next point of crossing being discerned easily.
Patent documentation 1:(Japan) spy opens flat 11-248479 communique.
Patent documentation 1:(Japan) spy opens flat 10-122890 communique.
Any prior art is not to make the driver can easily be familiar with the technology of the driving path on the cross-point amplifying pattern of multilayer point of crossing.
Summary of the invention
Driving path in the cross-point amplifying pattern that the objective of the invention is to make the driver can easily be familiar with the multilayer point of crossing.
According to the present invention, can reach above-mentioned purpose by the guider from route guidance to the destination and the crossing enlarged drawing display method thereof that carry out.
Crossing enlarged drawing display method of the present invention when demonstration has the enlarged drawing of multilayer point of crossing of sandwich construction, has: the step that makes the connecting line that only shows the layer that travels from car on the cross-point amplifying pattern; The step that on this cross-point amplifying pattern, shows path of navigation.
Other crossing enlarged drawing display method of the present invention when demonstration comprises the enlarged drawing of multilayer point of crossing of circle point, has: the step that makes the connecting line that only shows the layer that travels from car on the cross-point amplifying pattern; The step that on this cross-point amplifying pattern, shows path of navigation.
Other crossing enlarged drawing display method of the present invention, when demonstration comprises the enlarged drawing of multilayer point of crossing of circle point,, when travelling, the circle point has from car: the step in the path of the layer from the cross-point amplifying pattern beyond the layer of this circle point of cancellation; The step that on this cross-point amplifying pattern, shows path of navigation.
In above-mentioned each crossing enlarged drawing display method, show at least as cross-point amplifying pattern: enter the multilayer point of crossing enter connecting line, constitute the point of crossing of the layer that above-mentioned path of navigation exists connecting line, be directly connected to the connecting line that this point of crossing constitutes connecting line.At this moment, do not show the connecting line that can not enter owing to limit.
And above-mentioned each crossing enlarged drawing display method has following steps: make the inlet that has in the path of navigation information respectively the point of crossing of circle point and band connecting line, the step that recognition data is carried out in outlet; Begin to show the step of above-mentioned cross-point amplifying pattern when the above-mentioned inlet from car; The step of the demonstration when above-mentioned outlet is left on the above-mentioned cross-point amplifying pattern of cancellation.
Guider of the present invention possesses the cross-point amplifying pattern display part, when this cross-point amplifying pattern display part has the enlarged drawing of multilayer point of crossing of sandwich construction in demonstration, only show the connecting line of the layer that travels from car on the cross-point amplifying pattern, and on this cross-point amplifying pattern, show path of navigation.
Other guider of the present invention possesses the cross-point amplifying pattern display part, when this cross-point amplifying pattern display part comprises the enlarged drawing of multilayer point of crossing of circle point in demonstration, only show the connecting line of the layer that travels from car on the cross-point amplifying pattern, and on this cross-point amplifying pattern, show path of navigation.
Other guider of the present invention possesses the cross-point amplifying pattern display part, when this cross-point amplifying pattern display part comprises the enlarged drawing of multilayer point of crossing of circle point in demonstration, from car when the circle point travels, the path of the layer from the cross-point amplifying pattern beyond the layer of this circle point of cancellation, and on this cross-point amplifying pattern, show path of navigation.
In above-mentioned each guider, as cross-point amplifying pattern, above-mentioned cross-point amplifying pattern display part show at least enter the multilayer point of crossing enter connecting line, constitute the point of crossing of the layer that above-mentioned path of navigation exists connecting line, be directly connected to the connecting line that this point of crossing constitutes connecting line.
Above-mentioned each guider also possesses: the path of navigation search part, path of navigation to the destination is retrieved, when having the point of crossing of circle point and band connecting line on this path of navigation, make the path of navigation information of the data comprise the inlet of discerning these point of crossing, outlet; From car position measurement section, the current location from car is measured; When from car when the above-mentioned inlet, above-mentioned cross-point amplifying pattern display part begins to show above-mentioned cross-point amplifying pattern, when when above-mentioned outlet is left, the demonstration of the above-mentioned cross-point amplifying pattern of cancellation.
The effect of invention is as follows:
According to the present invention, when the enlarged drawing with multilayer point of crossing of sandwich construction shows, the connecting line that on cross-point amplifying pattern, only shows the layer that travels from car, and show path of navigation on this cross-point amplifying pattern, so the driver can easily be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.At this moment, the structure of each layer can be arbitrarily, owing to only show the connecting line of the layer that travels from car, so the driver can easily be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.
And according to the present invention, when demonstration comprises the enlarged drawing of multilayer point of crossing of circle point, the connecting line that on cross-point amplifying pattern, only shows the layer that travels from car, and show path of navigation on this cross-point amplifying pattern, so the driver can easily be familiar with the driving path on the cross-point amplifying pattern of the multilayer point of crossing with circle point.In crossing enlarged drawing display method in the past, the understanding of driving path becomes very difficult when having circle point in the multilayer point of crossing, but according to the present invention, even the driver also can easily be familiar with driving path on the cross-point amplifying pattern of multilayer point of crossing in these cases.
And according to the present invention, when demonstration comprises the enlarged drawing of multilayer point of crossing of circle point, from car when the circle point travels, the connecting line of the layer from the cross-point amplifying pattern beyond the layer of this circle point of cancellation, and show path of navigation on this cross-point amplifying pattern, so the driver can easily be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.In crossing enlarged drawing display method in the past, in the multilayer point of crossing, have the circle point and when this circle point travels the understanding of driving path become very difficult, but according to the present invention, even the driver also can easily be familiar with driving path on the cross-point amplifying pattern of multilayer point of crossing in these cases.
And according to the present invention and since show at least enter the multilayer point of crossing enter connecting line, constitute the layer that above-mentioned path of navigation exists the point of crossing, be directly connected to the connecting line that this point of crossing constitutes connecting line, therefore can easily show cross-point amplifying pattern.And can not show the connecting line that can not enter owing to limit this moment.
And according to the present invention, path of navigation information comprises carries out recognition data to inlet, the outlet of the point of crossing of circle point and band connecting line, when from car when the above-mentioned inlet, begin the demonstration of above-mentioned cross-point amplifying pattern, when when above-mentioned outlet is left, therefore the demonstration of the above-mentioned cross-point amplifying pattern of cancellation can only show the cross-point amplifying pattern of the layer that path of navigation exists in the suitable moment.
Description of drawings
Fig. 1 is the key diagram of the 1st crossing enlarged drawing display method of the present invention.
Fig. 2 is the key diagram of the 2nd crossing enlarged drawing display method of the present invention.
Fig. 3 is the key diagram of the 3rd crossing enlarged drawing display method of the present invention.
Fig. 4 is the structural drawing that possesses the guider of cross-point amplifying pattern Presentation Function of the present invention.
Fig. 5 is the key diagram of road data in the map datum.
Fig. 6 is the key diagram of circle point connecting line.
Fig. 7 is the key diagram of the point of crossing of band connecting line.
Fig. 8 is the key diagram of path of navigation.
Fig. 9 is the key diagram of path of navigation information.
Figure 10 is the processing flow chart that the enlarged drawing of multilayer of the present invention point of crossing shows.
Figure 11 is the demonstration example of enlarged drawing before the point of crossing.
Figure 12 is the 1st a demonstration example of enlarged drawing in the point of crossing.
Figure 13 is the 2nd a demonstration example of enlarged drawing in the point of crossing.
Figure 14 is the connecting line decision processing flow chart that shows on the enlarged drawing in the point of crossing.
Figure 15 is the key diagram of multilayer point of crossing.
Figure 16 shows the key diagram that the connecting line decision is handled on the enlarged drawing in the point of crossing.
Figure 17 is the 1st demonstration example in the past with multilayer point of crossing of 2 layers of structure.
Figure 18 is the 2nd demonstration example in the past with multilayer point of crossing of 2 layers of structure.
Figure 19 is the 3rd demonstration example in the past with multilayer point of crossing of 2 layers of structure.
Symbol description
The 1st layer of circle point of RA1;
The 2nd layer of circle point of RA2;
The GR path of navigation;
Lin enters connecting line;
Lout leaves connecting line.
Embodiment
The path of navigation search part of guider makes the path of navigation information of determining path of navigation, comprise recognition data is carried out in inlet, the outlet of the point of crossing of circle point and band connecting line, when from car when the above-mentioned inlet, the cross-point amplifying pattern display part begins the demonstration of above-mentioned cross-point amplifying pattern, when when above-mentioned outlet is left, the demonstration of the above-mentioned cross-point amplifying pattern of cancellation.When the cross-point amplifying pattern display part has the enlarged drawing of multilayer point of crossing of sandwich construction in demonstration, only show the connecting line of the layer that travels from car as cross-point amplifying pattern, and on this cross-point amplifying pattern, show path of navigation.As a result, according to the present invention, owing to be not that the point of crossing that overlaps each layer as in the past shows, so the driver can be familiar with the driving path in the cross-point amplifying pattern of multilayer point of crossing easily.
Embodiment
(A) summary of the present invention
Fig. 1 is the key diagram of the 1st crossing enlarged drawing display method of the present invention, is the key diagram of the enlarged drawing display packing of the 1st layer, the 2nd layer multilayer point of crossing that all has circle point RA1, a RA2.Connecting line storage condition (Fig. 1 (B)), the path of navigation (Fig. 1 (C)) of the structure of multilayer point of crossing (Fig. 1 (A)), map data base are identical with the multilayer point of crossing shown in Figure 17 (A)~(C).
In the present invention, when showing the enlarged drawing of multilayer point of crossing, shown in Fig. 1 (D), only the 2nd layer of connecting line that travels from car shown as cross-point amplifying pattern with sandwich construction, and shown in Fig. 1 (E), on this cross-point amplifying pattern, show path of navigation GR.The connecting line that shows on the cross-point amplifying pattern is at least: enter the multilayer point of crossing enter connecting line Lin, constitute the 2nd layer the circle point RA2 that path of navigation GR exists connecting line, be directly connected to the connecting line (comprise entering connecting line Lin, leave connecting line Lout) of this point of crossing formation connecting line.
Fig. 2 is the key diagram of the 2nd crossing enlarged drawing display method of the present invention, is the 1st layer and has circle point RA1, the 2nd layer and have the key diagram of enlarged drawing display packing of multilayer point of crossing that this circle point is carried out the structure BRG of bridge joint.Connecting line storage condition (Fig. 2 (B)), the path of navigation (Fig. 2 (C)) of the structure of multilayer point of crossing (Fig. 2 (A)), map data base are identical with the multilayer point of crossing shown in Figure 18 (A)~(C).
In the present invention, when demonstration has the enlarged drawing of multilayer point of crossing of sandwich construction, shown in Fig. 2 (D), only the 1st layer of connecting line that travels from car shown as cross-point amplifying pattern, and shown in Fig. 2 (E), on this cross-point amplifying pattern, show path of navigation GR.The connecting line that shows on the cross-point amplifying pattern is at least: enter the multilayer point of crossing enter connecting line, constitute the 1st layer the circle point RA1 that above-mentioned path of navigation GR exists connecting line, be directly connected to the connecting line of this point of crossing formation connecting line.
Fig. 3 is the key diagram of the 3rd crossing enlarged drawing display method of the present invention, is that the 1st layer of point of crossing CWL, the 2nd layer with band connecting line has the key diagram of enlarged drawing display packing of multilayer point of crossing that the point of crossing of this band connecting line is carried out the structure BRG of bridge joint.Storage condition (Fig. 3 (B)), the path of navigation (Fig. 3 (C)) of the structure of multilayer point of crossing (Fig. 3 (A)), map path of navigation database are identical with the multilayer point of crossing shown in Figure 19 (A)~(C).
In the present invention, when the enlarged drawing with multilayer point of crossing of sandwich construction shows, shown in Fig. 3 (D), only the 1st layer of connecting line that travels from car shown as cross-point amplifying pattern, and shown in Fig. 3 (E), on this cross-point amplifying pattern, show path of navigation GR.The connecting line that shows on the cross-point amplifying pattern is at least: enter the multilayer point of crossing enter connecting line, constitute the point of crossing CWL of the 1st layer the band connecting line that above-mentioned path of navigation GR exists connecting line, be directly connected to the connecting line that this point of crossing constitutes connecting line.
As mentioned above in the present invention, when the enlarged drawing with multilayer point of crossing of sandwich construction shows, only show the connecting line of the layer that travels from car as cross-point amplifying pattern, and on this cross-point amplifying pattern, show path of navigation.
Crossing enlarged drawing display method of the present invention like this is not limited to Fig. 1~multilayer point of crossing shown in Figure 3.As the multilayer point of crossing, beyond the multilayer point of crossing of Fig. 1~shown in Figure 3, exist the point of crossing of circle point and band connecting line to constitute the multilayer point of crossing of sandwich construction, the multiple multilayer point of crossing such as multilayer point of crossing more than 3 layers.The present invention can be used for the demonstration of cross-point amplifying pattern of the multilayer point of crossing of these arbitrary structures.
(B) guider
Fig. 4 is the structural drawing that possesses the guider of cross-point amplifying pattern Presentation Function of the present invention, and this guider possesses: Navigation Control Unit 1; Input media (for example telepilot) 2; Display device (colour picture monitor) 3; Hard disk (HDD) 4; HDD control device 5; Multiple-beam antenna 6; GPS receiver 7; Support oneself and navigate with sensor 8; Audio portion 9.
Store map data storehouse in hard disk (HDD) 4.The navigation of supporting oneself possesses relative orientation sensor (angular transducer) 8a such as oscillation gyro that the vehicle anglec of rotation is detected with sensor (self-support boat method sensor) 8, produces the range sensor 8b of a pulse every the regulation operating range.
In Navigation Control Unit 1, map read-out control part 21 is controlled and reads from HDD4 the cartographic information of regulation according to from car position or focal position etc. to HDD control device 5.The cartographic information that map impact damper 22 storage is read from HDD, storage be from the car position or the cartographic information of many (a plurality of unit) around the focal position, and the cartographic information of Unit 3 * 3 for example is so that make map can move (rolling).
Map depiction portion 23 utilizes the cartographic information that is stored in the map impact damper 22 to produce map image, VRAM24 stores map image, read-out control part 25 carries out according to the position of 1 picture size from the VRAM24 taking-up from the change of car position, and with the mobile displayed map from the car position.
Point of crossing guidance part 26 is guided by the point of crossing (comprising the multilayer point of crossing) in display image and the sound butt joint closely.That is, when the route guidance of reality, when from car near leave near in the point of crossing predetermined distance in the time, this point of crossing derivation graph (cross-point amplifying pattern, direct of travel arrow) is presented on the indicator screen, and direct of travel is guided by sound.Cross-point amplifying pattern display process during near the multilayer point of crossing illustrates in the back.
Telepilot control part 27 is indicated corresponding to the operation received signal of telepilot and to each one.Gps data storage part 28 storage is from the gps data of GPS receiver, vehicle position azimuth calculating part 29 according to the output of self-support navigation sensor to (estimation vehicle location), vehicle heading calculate from the car position.Images match control part 30 utilizes the cartographic information that map impact damper 22 reads and vehicle location, the vehicle heading of estimation, use the images match of sciagraphy to handle every predetermined distance (for example 10m), on travel to carrying out position correction from the car position.
Path of navigation control part 31 carries out departure place from input to the computing of the path of navigation (searching route) of destination, path of navigation storer 32 storage path of navigation, path of navigation drawing section 33 reads path of navigation information (node row) and describes path of navigation from path of navigation storer 32 in motion.Operation screen generating unit 34 produces various menu screens (operation screen), 35 synthetic various images and the outputs of the synthetic portion of image.
(C) road data
Fig. 5 is the key diagram of the road data in the map datum.Road data possesses by every road: (1) road number (road ID); (2) length; (3) road attribute (kind of road, width etc.); (4) shape data address/size; (5) constitute the connecting line data etc. of road.The connecting line data are about constituting all connecting lines (k bar connecting line) of road, comprising: (1) connection wire size; (2) connecting line kind category code; (3) associated data address/size etc.Connecting line kind category code is determined following connecting line respectively:
1. main line connecting line
2. bypass connecting line
3. point of crossing connection wire
4. circle point (Roundabout) connecting line
5. change the special lane connecting line about
6. in conjunction with connecting line
……
Circle point connecting line is the connecting line L1~Ln that constitutes circle point RA as shown in Figure 6.If connecting line is a circle point connecting line, just be endowed " 4 " as planting category code.The point of crossing connection wire is the connecting line L1~L4 that constitutes the point of crossing CWL of band connecting line as shown in Figure 7, if connecting line is the point of crossing connection wire, just is endowed " 3 " as planting category code.
(D) path of navigation information
Fig. 8 is the path of navigation key diagram that path of navigation control part 31 is retrieved, the node/connecting line on the path of navigation GR of expression follow node (Ns) to destination (Nd).Have the point of crossing CWL of circle point RA and band connecting line on the path of navigation GR, the node/connecting line that constitutes these is included in the path of navigation information.Fig. 9 is the key diagram of path of navigation information, is the example that is made of path of navigation information node, but can replace node to constitute path of navigation information by connecting line.
Path of navigation information is the information that the node data from node (Ns) to the node of destination node is arranged by path in proper order, and each node data comprises:
(1) longitude and latitude of node;
(2) whether expression is the circle point inlet mark of the inlet of circle point;
(3) whether expression is the circle point outlet mark of the outlet of circle point;
(4) whether expression is the point of crossing threshold marker of band connecting line of inlet of the point of crossing of band connecting line;
(5) whether expression is the point of crossing exit marking of band connecting line of outlet of the point of crossing of band connecting line;
(6) whether be the point of crossing mark (not having diagram) of common point of crossing, etc.Therefore, by with reference to this path of navigation information, can judge to the point of crossing of circle point/band connecting line approaching, leave, and, can judge the entering connecting line, leave connecting line etc. of point of crossing of circle point/band connecting line.
(E) processing of the enlarged drawing of multilayer point of crossing demonstration
Figure 10 is the processing flow chart that the enlarged drawing of multilayer of the present invention point of crossing shows.
In route guidance (step 101), whether 26 pairs of point of crossing guidance parts arrive the 1st setpoint distance (for example 300m) from the point of crossing of circle point or band connecting line from car and check (step 102), if do not arrive then do not show cross-point amplifying pattern.Then, continue the route guidance of step 101, if the point of crossing from car from circle point or band connecting line reaches the 1st setpoint distance, point of crossing guidance part 26 is divided into 2 parts with the map display screen, as shown in figure 11, at a part of displayed map, enlarged drawing before another part shows the point of crossing, and before the point of crossing, show path of navigation GR (step 103) on the enlarged drawing.Figure 11 be from car near by the 1st layer be the example of the multilayer point of crossing that circle point constituted for general right-angled intersection point, the 2nd layer, path of navigation GR leaves this point of crossing after circle point turns round 270 ° of counter clockwise directions.MN represents that map orientation, SC represent that engineer's scale, CNM represent that point of crossing title, DR represent that Distance Remaining, LM1~LM4 to the point of crossing represent property-line post among Figure 11.
Then, whether 26 pairs of point of crossing guidance parts arrive the 2nd setpoint distance (for example 50m) from the point of crossing of circle point or band connecting line from car and check (step 104), if not have arrival then enlarged drawing before continuing the point of crossing of step display 103.If point of crossing from circle point or band connecting line reaches the 2nd setpoint distance from car by travelling, then point of crossing guidance part 26 as shown in figure 12, part displayed map, another part shows enlarged drawing in the point of crossing, and shows path of navigation GR (step 105) on the enlarged drawing in the point of crossing.In addition, point of crossing guidance part 26 is in showing the point of crossing during enlarged drawing, and to the connecting line of the layer that travels from car, for example the 2nd layer the circle point connecting line etc. that constitutes this circle point formation connecting line of connecting line/be directly connected to shows.And, begin to follow into direction in order to leaving the node append serial numbers and show from entering connecting line Lin, and inform the driver by the sequence number of leaving connecting line Lout of sound notification reality.
Then, to whether having left circle point or be with the point of crossing of connecting line to check (step 106), carry out the demonstration of enlarged drawing in the point of crossing of step 105 before leaving, if leave then return common map demonstration and proceed route guidance (step 107).In addition, enter the point of crossing after, as shown in figure 13, the Distance Remaining that leaves before the node is shown.
(F) enlarged drawing display process in the point of crossing
Figure 14 is the connecting line decision processing flow chart that shows on the enlarged drawing in the point of crossing.
If the point of crossing from car from circle point or band connecting line arrives the 2nd setpoint distance (for example 50m), then point of crossing guidance part 26 extracts the connecting line (entering connecting line) (step 201) that is used for entering from car the point of crossing of this circle point or band connecting line.Shown in Figure 15 (A), when setting, in step 201, extract connecting line (the entering connecting line) Lin that the middle dotted line of Figure 16 (A) is represented near the 1st layer, the 2nd layer multilayer point of crossing that all has circle point RA1, a RA2.In addition, the storage condition of map data base that is set in the multilayer point of crossing is shown in Figure 15 (B), and path of navigation GR is shown in the arrow of Figure 16 (C).
Then, point of crossing guidance part 26 is with reference to connecting line data (Fig. 5), extracts from the approaching formation circle point of car or is with the connecting line (step 202) of the point of crossing of connecting line.In this step 202, extract the connecting line (circle point constitutes connecting line) that Figure 16 (B) is illustrated by the broken lines.
Then, point of crossing guidance part 26 extracts with the circle point that extracts in step 202 and constitutes the point of crossing formation direct-connected connecting line of connecting line (step 203) that is connected the line or belt connecting line.In this step 203, extract 8 connecting lines (circle point constitutes connecting line) that Figure 16 (C) is illustrated by the broken lines.Comprise in the connecting line of these extractions and enter connecting line Lin, leave connecting line Lout.
Then, utilize and the connecting line (step 204) that the indirect connecting line extraction that is connected of connecting line Lin can enter from car that enters that extracts in step 201.In this step 204, extract connecting line La, Lb, Lc that Figure 16 (D) is illustrated by the broken lines.In addition, the connecting line range of search is the regional extent that shows in cross-point amplifying pattern.
At last, will with enter that connecting line indirectly is connected but owing to limit the connecting line that (restrictions of reasons such as construction, accident) can not enter, from the connecting line that extracts in step 204, remove (step 205), the connecting line that obtains by above step shows (step 206) as cross-point amplifying pattern shown in Figure 16 (E), show path of navigation GR on this cross-point amplifying pattern shown in Figure 16 (F).
More than, according to the present invention, when the enlarged drawing with multilayer point of crossing of sandwich construction shows, the connecting line that only shows the layer that travels from car as cross-point amplifying pattern, and on this cross-point amplifying pattern, show path of navigation, therefore, the driver can easily be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.
In above embodiment, each layer of multilayer point of crossing situation for circle point is illustrated, but if the present invention at least one deck be the point of crossing, then other layer be circle point, the point of crossing of band connecting line, general point of crossing, bridge etc. any one can.The present invention is resultful when having the multilayer point of crossing of circle point when travelling.And, the present invention includes the circle point, when travelling, produce effect more at this circle point.

Claims (11)

1. one kind is carried out the crossing enlarged drawing display method of the guider of route guidance to the destination, it is characterized in that,
When demonstration has the enlarged drawing of multilayer point of crossing of sandwich construction, on cross-point amplifying pattern, only show the connecting line of the layer that travels from car,
And on this cross-point amplifying pattern, show path of navigation.
2. one kind is carried out the crossing enlarged drawing display method of the guider of route guidance to the destination, it is characterized in that,
When demonstration comprises the enlarged drawing of multilayer point of crossing of circle point, on cross-point amplifying pattern, only show the connecting line of the layer that travels from car,
And on this cross-point amplifying pattern, show path of navigation.
3. one kind is carried out the crossing enlarged drawing display method of the guider of route guidance to the destination, it is characterized in that,
When demonstration comprises the enlarged drawing of multilayer point of crossing of circle point, when travelling when circle point from car, the connecting line of the layer from the cross-point amplifying pattern beyond the layer of this circle point of cancellation,
And on this cross-point amplifying pattern, show path of navigation.
4. according to claim 1ly carry out the crossing enlarged drawing display method of the guider of route guidance, it is characterized in that to the destination,
At least show enter the multilayer point of crossing enter connecting line, constitute the point of crossing of the layer that above-mentioned path of navigation exists connecting line, constitute the direct-connected connecting line of connecting line with this point of crossing.
5. according to claim 4ly carry out the crossing enlarged drawing display method of the guider of route guidance, it is characterized in that to the destination,
Do not show the connecting line that can not enter owing to limit in the above-mentioned connecting line that should show.
6. according to claim 4ly carry out the crossing enlarged drawing display method of the guider of route guidance, it is characterized in that to the destination,
Comprise the inlet of the point of crossing of discerning ring-type point of crossing and band connecting line respectively, the data of outlet in the path of navigation information,
When from car when the above-mentioned inlet, begin the demonstration of above-mentioned cross-point amplifying pattern,
When above-mentioned outlet is left, the demonstration of the above-mentioned cross-point amplifying pattern of cancellation.
7. a guider carries out route guidance to the destination, it is characterized in that,
Possesses the cross-point amplifying pattern display part, when this cross-point amplifying pattern display part has the enlarged drawing of multilayer point of crossing of sandwich construction in demonstration, on cross-point amplifying pattern, only show the connecting line of the layer that travels from car, and on this cross-point amplifying pattern, show path of navigation.
8. a guider carries out route guidance to the destination, it is characterized in that,
Possesses the cross-point amplifying pattern display part, when this cross-point amplifying pattern display part comprises the enlarged drawing of multilayer point of crossing of circle point in demonstration, on cross-point amplifying pattern, only show the connecting line of the layer that travels from car, and on this cross-point amplifying pattern, show path of navigation.
9. a guider carries out route guidance to the destination, it is characterized in that,
Possesses the cross-point amplifying pattern display part, when this cross-point amplifying pattern display part comprises the enlarged drawing of multilayer point of crossing of circle point in demonstration, when from car when the circle point travels, the connecting line of the layer from the cross-point amplifying pattern beyond the layer of this circle point of cancellation, and on this cross-point amplifying pattern, show path of navigation.
10. guider according to claim 7 is characterized in that,
Above-mentioned cross-point amplifying pattern display part show at least enter the multilayer point of crossing enter connecting line, constitute the point of crossing of the layer that above-mentioned path of navigation exists connecting line, constitute the direct-connected connecting line of connecting line with this point of crossing.
11. guider according to claim 10 is characterized in that, possesses:
The path of navigation search part is retrieved the path of navigation to the destination, when having the point of crossing of circle point and band connecting line on this path of navigation, makes the path of navigation information of the data comprise the inlet of discerning these point of crossing, outlet; And
From car position measurement section, the current location from car is measured;
When from car when the above-mentioned inlet, above-mentioned cross-point amplifying pattern display part begins to show above-mentioned cross-point amplifying pattern, when when above-mentioned outlet is left, the demonstration of the above-mentioned cross-point amplifying pattern of cancellation.
CN200610149456.XA 2005-11-17 2006-11-17 Navigation device and its crossing enlarged drawing display method Active CN1967152B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788590A (en) * 2011-05-18 2012-11-21 阿尔派株式会社 Navigation unit
CN103522963A (en) * 2013-09-23 2014-01-22 徐州工程学院 Vehicle-mounted terminal space labyrinth type module
CN104050263A (en) * 2014-06-18 2014-09-17 厦门雅迅网络股份有限公司 Method for efficiently having access to intersection enlarged map file data in navigation terminal
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100874107B1 (en) 2008-03-25 2008-12-15 팅크웨어(주) Method for providing lane information and apparatus for executing the method
JP5370386B2 (en) 2011-01-31 2013-12-18 株式会社デンソー Navigation device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH075368Y2 (en) * 1988-10-19 1995-02-08 トヨタ自動車株式会社 In-vehicle navigation device
JP3283146B2 (en) * 1994-11-30 2002-05-20 本田技研工業株式会社 Car navigation system
JP3276561B2 (en) * 1996-06-18 2002-04-22 松下電器産業株式会社 Intersection drawing equipment
JPH10122890A (en) * 1996-08-30 1998-05-15 Aisin Aw Co Ltd Navigator for vehicle
JP2000352516A (en) * 1999-06-10 2000-12-19 Alpine Electronics Inc On-vehicle navigator
JP3804746B2 (en) * 1999-08-23 2006-08-02 アイシン・エィ・ダブリュ株式会社 NAVIGATION DEVICE AND STORAGE MEDIUM RECORDING THE PROGRAM
JP3778249B2 (en) * 1999-08-23 2006-05-24 アイシン・エィ・ダブリュ株式会社 NAVIGATION DEVICE AND STORAGE MEDIUM RECORDING THE PROGRAM
JP3874052B2 (en) * 1999-08-23 2007-01-31 アイシン・エィ・ダブリュ株式会社 NAVIGATION DEVICE AND STORAGE MEDIUM CONTAINING THE PROGRAM
JP3898872B2 (en) * 2000-05-26 2007-03-28 アルパイン株式会社 Navigation device
JP4184241B2 (en) * 2003-11-20 2008-11-19 株式会社ケンウッド Car navigation apparatus, car navigation method, and car navigation program
JP4439318B2 (en) * 2004-04-09 2010-03-24 アルパイン株式会社 Navigation device and road display method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788590A (en) * 2011-05-18 2012-11-21 阿尔派株式会社 Navigation unit
CN102788590B (en) * 2011-05-18 2016-08-03 阿尔派株式会社 Guider
CN103522963A (en) * 2013-09-23 2014-01-22 徐州工程学院 Vehicle-mounted terminal space labyrinth type module
CN103522963B (en) * 2013-09-23 2017-05-03 徐州工程学院 Vehicle-mounted terminal space labyrinth type module
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