CN1967152B - Navigation device and its crossing enlarged drawing display method - Google Patents
Navigation device and its crossing enlarged drawing display method Download PDFInfo
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- CN1967152B CN1967152B CN200610149456.XA CN200610149456A CN1967152B CN 1967152 B CN1967152 B CN 1967152B CN 200610149456 A CN200610149456 A CN 200610149456A CN 1967152 B CN1967152 B CN 1967152B
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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
Technical field
The present invention relates to a kind of guider and crossing enlarged drawing display method thereof, the guider particularly enlarged drawing of the multilayer point of crossing with sandwich construction shown and crossing enlarged drawing display method thereof.
Background technology
On-vehicle navigation apparatus shows map, and retrieves (search) the path arriving destination, the path retrieved (path of navigation) is presented on map, and is guided towards destination by vehicle.Such on-vehicle navigation apparatus, when showing cross-point amplifying pattern close to during point of crossing from car, and with the direction that the Distance geometry vehicle that arrow is shown to this point of crossing travels in this point of crossing, and is suitably guided by sound.According to this point of crossing guidance function, driver easily can be familiar with the direct of travel in point of crossing, and can inerrably drive along path of navigation.
But, be that the place of sandwich construction is a lot of at Chinese road junction.Figure 17 (A) is the example of the multilayer point of crossing with 2 Rotating fields, the 1st layer, the 2nd layer structure all with circle point (Roundabout).Circle point connects many road connecting lines (road link) annularly, and enter connecting line in the upper connection of the tie point (node) of this road connecting line, leave the point of crossing of the ring-type of connecting line.In the example of Figure 17 (A), form 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, and the connecting line that enters to circle point RA1, RA2 is right side connecting line, leaves the connecting line that connecting line is left side.The situation of Figure 17 (A) enters connecting line at node N11 ~ N14 (N13 is not shown) to the 1st layer, the 2nd layer branch to point of crossing, and can enter connecting line by each after branch and enter circle point RA1, RA2.Further, each from the 1st layer, the 2nd layer circle point RA1, RA2 leaves connecting line in node N21 ~ N24 (N23 is not shown) combination, and leaves multilayer point of crossing.Figure 17 (B) represents the connecting line storage condition of the map data base of the multilayer point of crossing of Figure 17 (A), stain representation node, and internodal line segment represents connecting line.In addition, in Figure 17 (A) because the diagram entering connecting line, leave connecting line on opposite can make the complexity of attempting to change so omit.
When the enlarged drawing of such multilayer point of crossing shows, as shown in Figure 17 (D), make the cross-point amplifying pattern of each layer overlap in the past, and show paths as shown in Figure 17 (E) thereon GR and direct of travel.In addition, setting path of navigation GR, as shown in the thick arrow of the dotted line of Figure 17 (A) or Figure 17 (C), enters the 2nd layer of circle point RA2 from southing, westwards leaves after this circle point RA2.But in the display of enlarged drawing in the past of Figure 17 (E), the point of crossing due to layers 1 and 2 seems to overlap, and therefore there is the problem that driver easily can not be familiar with path and direct of travel.
Figure 18 (A) is other example of multilayer point of crossing, be the 1st layer have circle point RA1, the 2nd layer there is the situation of this circle point being carried out to the structure BRG of bridge joint.Figure 18 (B) is the connecting line storage condition of the map data base of the multilayer point of crossing representing Figure 18 (A), and stain representation node, internodal line segment represents 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 the connecting line that leaves from the 1st layer of circle point RA1 to north and south does not leave multilayer point of crossing in combination with the connecting line from the 2nd layer.Further, enter connecting line at node N31 ~ N32 respectively to the 1st layer, the 2nd layer branch from east-west direction to point of crossing, and each of the 1st layer, the 2nd layer leaves connecting line combines at node N41 ~ N42, leave multilayer point of crossing.When the enlarged drawing of such multilayer point of crossing shows, as shown in Figure 18 (D), make the enlarged drawing of each layer overlap in the past, as Suo Shi Figure 18 (E), represent path GR and direct of travel thereon.In addition, setting path of navigation GR, as shown in the thick arrow of the dotted line of Figure 18 (A) or Figure 18 (C), enters the 1st layer of circle point RA1 from southing, and westwards leaves through this circle point RA1.But, in the display of enlarged drawing in the past of Figure 18 (E), because the enlarged drawing of layers 1 and 2 overlaps, therefore there is the problem that driver easily can not be familiar with path and direct of travel.
Figure 19 (A) is other example of multilayer point of crossing, be the 1st layer have band connecting line point of crossing (Crossing with link) CWL, the 2nd layer there is the situation of the point of crossing of this band connecting line being carried out to the structure BRG of bridge joint.Figure 19 (B) is the connecting line storage condition of the map data base of the multilayer point of crossing representing Figure 19 (A), and stain representation node, internodal line segment represents connecting line.Point of crossing CWL with connecting line is the point of crossing in point of crossing with connecting line (the connecting line L1 ~ L4 in Figure 19 (A)).In Figure 19 (A), the connecting line that enters from north and south does not enter the point of crossing CWL that the 1st layer is with connecting line branch, and leave connecting line from the point of crossing CWL of the 1st layer of band connecting line to north and south, do not leave multilayer point of crossing in combination with the connecting line from the 2nd layer.Further, enter connecting line at node N51 ~ N52 respectively to the 1st layer, the 2nd layer branch from east-west direction to point of crossing, and each of the 1st layer, the 2nd layer leaves connecting line combines at node N61 ~ N62, and leave multilayer point of crossing.When the enlarged drawing of such multilayer point of crossing shows, as shown in Figure 19 (D), make the enlarged drawing of each layer overlap in the past, and as Suo Shi Figure 19 (E), represent path GR and direct of travel thereon.In addition, setting path of navigation GR, as shown in the thick arrow of the dotted line of Figure 19 (A) or Figure 19 (C), enters the point of crossing CWL of the 1st layer of band connecting line, westwards leaves through the point of crossing CWL of this band connecting line from southing.But in the display of enlarged drawing in the past of Figure 19 (E), the enlarged drawing due to layers 1 and 2 seems to overlap, and therefore there is the problem that driver easily can not be familiar with path and direct of travel.
Moreover, although not shown, but the point of crossing that there is circle point and band connecting line becomes the multiple multilayer point of crossing such as the multilayer point of crossing of sandwich construction, the multilayer point of crossing of more than 3 layers, but there is the problem that driver easily can not be familiar with path and direct of travel equally in cross-point amplifying pattern method in the past.
Known a kind of to leaving at circle point the path guide method (with reference to patent documentation 1) that path carries out understandable guiding as prior art.This prior art be near circle point enter road and angle between leaving the road calculates as the vehicle angle of revolution of circle point, the revolution corresponding to vehicle shows remaining angle of revolution.
Further, another prior art, makes the visibility of intersection point diagram improve, and at random can be identified in the forward march (patent documentation 2) of guiding point of crossing.This prior art is by not showing unnecessary road, and the forward march of next point of crossing is easily identified.
Patent documentation 1:(Japan) Unexamined Patent 11-248479 publication.
Patent documentation 1:(Japan) Unexamined Patent 10-122890 publication.
Any prior art is not the technology making driver easily can be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.
Summary of the invention
The object of the invention is to make driver easily can be familiar with driving path in the cross-point amplifying pattern of multilayer point of crossing.
According to the present invention, above-mentioned purpose can be reached by the guider and crossing enlarged drawing display method thereof carrying out Route guiding to destination.
Crossing enlarged drawing display method of the present invention, when display has the enlarged drawing of multilayer point of crossing of sandwich construction, has: the step making connecting line cross-point amplifying pattern only showing the layer travelled from car; This cross-point amplifying pattern shows the step of path of navigation.
Other crossing enlarged drawing display method of the present invention, show comprise the enlarged drawing of the multilayer point of crossing of circle point time, have: the step making connecting line cross-point amplifying pattern only showing the layer travelled from car; This cross-point amplifying pattern shows the step of path of navigation.
Other crossing enlarged drawing display method of the present invention, when display comprises the enlarged drawing of the multilayer point of crossing of circle point, from car when circle point travels, have: from cross-point amplifying pattern this circle point of cancellation layer beyond the step in path of layer; This cross-point amplifying pattern shows the step of path of navigation.
In above-mentioned each crossing enlarged drawing display method, at least show as cross-point amplifying pattern: enter the connecting line entering connecting line, form the point of crossing of the layer that above-mentioned path of navigation exists of multilayer point of crossing, be directly connected to the connecting line that this point of crossing forms connecting line.Now, the not enterable connecting line due to restriction is not shown.
Further, above-mentioned each crossing enlarged drawing display method has following steps: make to have in path of navigation information respectively to the entrance of the point of crossing of circle point and band connecting line, export the step of data identified; From car close to starting the step showing above-mentioned cross-point amplifying pattern during above-mentioned entrance; The step of display when leaving from above-mentioned outlet the above-mentioned cross-point amplifying pattern of cancellation.
Guider of the present invention possesses cross-point amplifying pattern display part, this cross-point amplifying pattern display part is when display has the enlarged drawing of multilayer point of crossing of sandwich construction, cross-point amplifying pattern only shows the connecting line of the layer travelled from car, and show path of navigation on this cross-point amplifying pattern.
Other guider of the present invention possesses cross-point amplifying pattern display part, this cross-point amplifying pattern display part is when display comprises the enlarged drawing of the multilayer point of crossing of circle point, cross-point amplifying pattern only shows the connecting line of the layer travelled from car, and show path of navigation on this cross-point amplifying pattern.
Other guider of the present invention possesses cross-point amplifying pattern display part, this cross-point amplifying pattern display part is when display comprises the enlarged drawing of the multilayer point of crossing of circle point, from car when circle point travels, from cross-point amplifying pattern this circle point of cancellation layer beyond the path of layer, and show path of navigation on this cross-point amplifying pattern.
In above-mentioned each guider, as cross-point amplifying pattern, above-mentioned cross-point amplifying pattern display part at least shows the connecting line entering connecting line, form the point of crossing of the layer that above-mentioned path of navigation exists entering multilayer point of crossing, the connecting line being directly connected to this point of crossing formation connecting line.
Above-mentioned each guider also possesses: path of navigation search part, path of navigation to destination is retrieved, when this path of navigation existing the point of crossing of circle point and band connecting line, make the path of navigation information comprising and identify the entrance of these point of crossing, the data of outlet; From truck position measurement section, car's current position is measured; When from car close to above-mentioned entrance time, above-mentioned cross-point amplifying pattern display part starts to show above-mentioned cross-point amplifying pattern, when leaving from above-mentioned outlet, the display of the above-mentioned cross-point amplifying pattern of cancellation.
The effect of invention is as follows:
According to the present invention, when carrying out the enlarged drawing display of the multilayer point of crossing with sandwich construction, cross-point amplifying pattern only shows the connecting line of the layer travelled from car, and show path of navigation on this cross-point amplifying pattern, so driver easily can be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.Now, the structure of each layer can be arbitrary, and owing to only showing the connecting line of the layer travelled from car, therefore driver easily can be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.
And according to the present invention, when display comprises the enlarged drawing of the multilayer point of crossing of circle point, cross-point amplifying pattern only shows the connecting line of the layer travelled from car, and show path of navigation on this cross-point amplifying pattern, so driver easily can 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 in multilayer point of crossing with driving path during circle point becomes very difficult, but according to the present invention, even if driver also easily can be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing in these cases.
And according to the present invention, when display comprises the enlarged drawing of the multilayer point of crossing of circle point, from car when circle point travels, from cross-point amplifying pattern this circle point of cancellation layer beyond the connecting line of layer, and show path of navigation on this cross-point amplifying pattern, so driver easily can 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, there is in multilayer point of crossing circle point and the understanding of driving path becomes very difficult when this circle point travels, but according to the present invention, even if driver also easily can be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing in these cases.
And according to the present invention, because at least display enters the point of crossing entering connecting line, form the layer that above-mentioned path of navigation exists of multilayer point of crossing, is directly connected to the connecting line that this point of crossing forms connecting line, therefore easily cross-point amplifying pattern can be shown.Further, not enterable connecting line can not now be shown due to restriction.
And according to the present invention, path of navigation packets of information contains circle point and the data being with the entrance of the point of crossing of connecting line, outlet identifies, when from car close to above-mentioned entrance time, start the display of above-mentioned cross-point amplifying pattern, when leaving from above-mentioned outlet, the display of the above-mentioned cross-point amplifying pattern of cancellation, therefore can only show in the suitable moment cross-point amplifying pattern of layer that path of navigation exists.
Accompanying drawing explanation
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 of the guider possessing cross-point amplifying pattern Presentation Function of the present invention.
Fig. 5 is the key diagram of road data in 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 of the enlarged drawing display of multilayer point of crossing of the present invention.
Figure 11 is the indication example of enlarged drawing before point of crossing.
Figure 12 is the 1st indication example of enlarged drawing in point of crossing.
Figure 13 is the 2nd indication example of enlarged drawing in point of crossing.
Figure 14 is that the connecting line in point of crossing, enlarged drawing shown determines processing flow chart.
Figure 15 is the key diagram of multilayer point of crossing.
Figure 16 in point of crossing, enlarged drawing shows the key diagram that connecting line determines process.
Figure 17 is the 1st indication example in the past of the multilayer point of crossing with 2 Rotating fields.
Figure 18 is the 2nd indication example in the past of the multilayer point of crossing with 2 Rotating fields.
Figure 19 is the 3rd indication example in the past of the multilayer point of crossing with 2 Rotating fields.
Symbol description
RA1 the 1st layer of circle point;
RA2 the 2nd layer of circle point;
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 determining path of navigation, comprise circle point and the data being with the entrance of the point of crossing of connecting line, outlet identifies, when from car close to above-mentioned entrance time, cross-point amplifying pattern display part starts the display of above-mentioned cross-point amplifying pattern, when leaving from above-mentioned outlet, the display of the above-mentioned cross-point amplifying pattern of cancellation.Cross-point amplifying pattern display part, when display has the enlarged drawing of multilayer point of crossing of sandwich construction, only shows the connecting line of the layer travelled from car, and show path of navigation on this cross-point amplifying pattern as cross-point amplifying pattern.As a result, according to the present invention, owing to not being that overlap the as in the past point of crossing of each layer shows, therefore driver easily can be familiar with the driving path in the cross-point amplifying pattern of multilayer point of crossing.
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 1st layer, the 2nd layer key diagram all with the enlarged drawing display packing of the multilayer point of crossing of circle point RA1, RA2.The structure (Fig. 1 (A)) of multilayer point of crossing, the connecting line storage condition (Fig. 1 (B)) of map data base, path of navigation (Fig. 1 (C)) are identical with the multilayer point of crossing shown in Figure 17 (A) ~ (C).
In the present invention, when display has the enlarged drawing of multilayer point of crossing of sandwich construction, as shown in Fig. 1 (D), only the 2nd layer of connecting line travelled from car is shown as cross-point amplifying pattern, and as shown in Fig. 1 (E), this cross-point amplifying pattern shows path of navigation GR.The connecting line that cross-point amplifying pattern shows is at least: enter the connecting line entering connecting line Lin, form the circle point RA2 of the 2nd layer that path of navigation GR exists of multilayer point of crossing, be directly connected to the connecting line (comprise and enter connecting line Lin, leave connecting line Lout) that this point of crossing forms connecting line.
Fig. 2 is the key diagram of the 2nd crossing enlarged drawing display method of the present invention, be the 1st layer have circle point RA1, the 2nd layer there is the key diagram this circle point being carried out to the enlarged drawing display packing of the multilayer point of crossing of the structure BRG of bridge joint.The structure (Fig. 2 (A)) of multilayer point of crossing, the connecting line storage condition (Fig. 2 (B)) of map data base, path of navigation (Fig. 2 (C)) are identical with the multilayer point of crossing shown in Figure 18 (A) ~ (C).
In the present invention, when display has the enlarged drawing of multilayer point of crossing of sandwich construction, as shown in Fig. 2 (D), only the 1st layer of connecting line travelled from car is shown as cross-point amplifying pattern, and as shown in Fig. 2 (E), this cross-point amplifying pattern shows path of navigation GR.The connecting line that cross-point amplifying pattern shows is at least: enter the connecting line entering connecting line, form the circle point RA1 of the 1st layer that above-mentioned path of navigation GR exists of multilayer point of crossing, be directly connected to the connecting line that this point of crossing forms connecting line.
Fig. 3 is the key diagram of the 3rd crossing enlarged drawing display method of the present invention, is the 1st layer of point of crossing CWL, the 2nd layer of key diagram with the enlarged drawing display packing of the point of crossing of this band connecting line being carried out to the multilayer point of crossing of the structure BRG of bridge joint with band connecting line.The structure (Fig. 3 (A)) of multilayer point of crossing, the storage condition (Fig. 3 (B)) of map path of navigation database, path of navigation (Fig. 3 (C)) are identical with the multilayer point of crossing shown in Figure 19 (A) ~ (C).
In the present invention, when carrying out the enlarged drawing display of the multilayer point of crossing with sandwich construction, as shown in Fig. 3 (D), only the 1st layer of connecting line travelled from car is shown as cross-point amplifying pattern, and as shown in Fig. 3 (E), this cross-point amplifying pattern shows path of navigation GR.The connecting line that cross-point amplifying pattern shows is at least: enter the connecting line entering connecting line, form the point of crossing CWL of the band connecting line of the 1st layer that above-mentioned path of navigation GR exists of multilayer point of crossing, be directly connected to the connecting line that this point of crossing forms connecting line.
As mentioned above in the present invention, when carrying out the enlarged drawing display of the multilayer point of crossing with sandwich construction, only show the connecting line of the layer travelled from car as cross-point amplifying pattern, and show path of navigation on this cross-point amplifying pattern.
Crossing enlarged drawing display method of the present invention is like this not limited to the multilayer point of crossing shown in Fig. 1 ~ Fig. 3.As multilayer point of crossing, beyond the multilayer point of crossing shown in Fig. 1 ~ Fig. 3, the point of crossing that there is circle point and band connecting line forms the multiple multilayer point of crossing such as the multilayer point of crossing of sandwich construction, the multilayer point of crossing of more than 3 layers.The present invention may be used for the display of the cross-point amplifying pattern of the multilayer point of crossing of these arbitrary structures.
(B) guider
Fig. 4 is the structural drawing of the guider possessing cross-point amplifying pattern Presentation Function of the present invention, and this guider possesses: Navigation Control Unit 1; Input media (such as telepilot) 2; Display device (colour picture monitor) 3; Hard disk (HDD) 4; HDD control device 5; Multiple-beam antenna 6; GPS 7; Self-support navigation sensor 8; Audio portion 9.
Store map data storehouse in hard disk (HDD) 4.Self-support navigation sensor (self-support boat method sensor) 8 possesses relative orientation sensor (angular transducer) 8a such as the oscillation gyros that the vehicle anglec of rotation detects, produces the range sensor 8b of a pulse every regulation operating range.
In Navigation Control Unit 1, map read-out control part 21, according to from truck position or focal position etc., controls HDD control device 5 and reads the cartographic information specified from HDD4.Map impact damper 22 stores the cartographic information read from HDD, stores the cartographic information of multiple (the multiple unit) around truck position or focal position, the such as cartographic information of Unit 3 × 3, to make map can move (rolling).
Point of crossing guidance part 26 is guided by the point of crossing (comprising multilayer point of crossing) in display image and sound docking closely.Namely, when the Route guiding of reality, when from car close to leave close in point of crossing predetermined distance in time, this point of crossing derivation graph (cross-point amplifying pattern, direct of travel arrow) is presented on indicator screen, and by sound, direct of travel is guided.Illustrate below close to cross-point amplifying pattern Graphics Processing during multilayer point of crossing.
Path of navigation control part 31 carries out the computing from the departure place of input to the path of navigation (searching route) of destination, path of navigation storer 32 stores path of navigation, and path of navigation drawing section 33 reads path of navigation information (node row) from path of navigation storer 32 in motion and describes path of navigation.Operation screen generating unit 34 produces various menu screen (operation screen), and Images uniting portion 35 synthesizes various image and exports.
(C) road data
Fig. 5 is the key diagram of the road data in map datum.Road data possesses by every bar road: (1) road number (road ID); (2) length; (3) road attribute (kind, width etc. of road); (4) shape data address/size; (5) the connecting line data etc. of road are formed.Connecting line data are all connecting lines (k bar connecting line) about forming road, comprising: (1) connects wire size; (2) connecting line category codes; (3) associated data address/size etc.Connecting line category codes determines 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. left/right rotation special lane connecting line
6. in conjunction with connecting line
……
Circle point connecting line is the connecting line L1 ~ Ln forming circle point RA as shown in Figure 6.If connecting line is circle point connecting line, be just endowed " 4 " as category codes.Point of crossing connection wire is the connecting line L1 ~ L4 of the point of crossing CWL forming band connecting line as shown in Figure 7, if connecting line is point of crossing connection wire, is just endowed " 3 " as category codes.
(D) path of navigation information
Fig. 8 is the path of navigation key diagram that path of navigation control part 31 retrieves, and represents the node/connecting line on follow node (Ns) to the path of navigation GR of destination (Nd).Path of navigation GR exists the point of crossing CWL of circle point RA and band connecting line, the node/connecting line forming these is included in path of navigation information.Fig. 9 is the key diagram of path of navigation information, is the example being made up of path of navigation information node, but node can be replaced to form path of navigation information by connecting line.
Path of navigation information will sequentially carry out the information arranged by path to the node data of the node of destination node follow node (Ns), and each node data comprises:
(1) longitude and latitude of node;
(2) represent it is whether the circle point threshold marker of the entrance of circle point;
(3) represent it is whether the circle point exit marking of the outlet of circle point;
(4) the point of crossing threshold marker of the band connecting line of the entrance of the point of crossing being whether band connecting line is represented;
(5) the point of crossing exit marking of the band connecting line of the outlet of the point of crossing being whether band connecting line is represented;
(6) be whether point of crossing mark (not shown) of usual point of crossing, etc.Therefore, by referring to this path of navigation information, can judge to circle point/band connecting line point of crossing close, leave, and, entering connecting line, leaving connecting line etc. of the point of crossing of circle point/band connecting line can be judged.
(E) process of the enlarged drawing display of multilayer point of crossing
Figure 10 is the processing flow chart of the enlarged drawing display of multilayer point of crossing of the present invention.
In Route guiding (step 101), whether point of crossing guidance part 26 checks (step 102) from point of crossing arrival the 1st setpoint distance (such as 300m) of circle point or band connecting line from car, if do not arrived, does not show cross-point amplifying pattern.Then, continue the Route guiding of step 101, if the point of crossing from car from circle point or band connecting line reaches the 1st setpoint distance, map denotation screen is divided into 2 parts by point of crossing guidance part 26, as shown in figure 11, at part display map, enlarged drawing before another part display point of crossing, and enlarged drawing shows path of navigation GR (step 103) before point of crossing.Figure 11 be from car close to by the 1st layer be general right-angled intersection point, the example of the 2nd layer of multilayer point of crossing formed for circle point, path of navigation GR be circle point revolution counter clockwise direction 270 ° after leave this point of crossing.In Figure 11, MN represents map orientation, SC represents engineer's scale, CNM represents point of crossing title, DR represents to the Distance Remaining of point of crossing, LM1 ~ LM4 and represents property-line post.
Then, whether point of crossing guidance part 26 checks (step 104) from point of crossing arrival the 2nd setpoint distance (such as 50m) of circle point or band connecting line from car, if do not have to arrive, continues enlarged drawing before the point of crossing of step display 103.If reach 2nd setpoint distance from car from the point of crossing of circle point or band connecting line by travelling, then point of crossing guidance part 26 as shown in figure 12, part display map, enlarged drawing in another part display point of crossing, and enlarged drawing shows path of navigation GR (step 105) in point of crossing.In addition, point of crossing guidance part 26 is when showing enlarged drawing in point of crossing, and to the connecting line of the layer travelled from car, the connecting line etc. that the circle point of such as the 2nd layer forms connecting line/be directly connected to this circle point formation connecting line shows.Further, from entering connecting line Lin along direct of travel in order to leaving node append serial numbers and showing, and inform driver by the sequence number leaving connecting line Lout of sound notification reality.
Then, to whether have left circle point or be with the point of crossing of connecting line to check (step 106), in the point of crossing of carrying out step 105 before leaving, the display of enlarged drawing, if left, returns common map denotation and proceeds Route guiding (step 107).In addition, after entering point of crossing, as shown in figure 13, show leaving the Distance Remaining before node.
(F) enlarged drawing Graphics Processing in point of crossing
Figure 14 is that the connecting line in point of crossing, enlarged drawing shown determines processing flow chart.
If the point of crossing from car from circle point or band connecting line arrives the 2nd setpoint distance (such as 50m), then point of crossing guidance part 26 extracts the connecting line (entering connecting line) (step 201) being used for the point of crossing entering this circle point or band connecting line from car.As shown in Figure 15 (A), when setting all has the multilayer point of crossing of circle point RA1, RA2 close to the 1st layer, the 2nd layer, extract connecting line (the entering connecting line) Lin that in Figure 16 (A), dotted line represents in step 201.In addition, be set in the storage condition of the map data base of multilayer point of crossing as shown in Figure 15 (B), and path of navigation GR is as shown in the arrow of Figure 16 (C).
Then, point of crossing guidance part 26, with reference to connecting line data (Fig. 5), extracts the connecting line (step 202) of point of crossing from the close formation circle point of car or band connecting line.In this step 202, extract the connecting line (circle point forms connecting line) that Figure 16 (B) is illustrated by the broken lines.
Then, point of crossing guidance part 26 extracts and the circle point extracted in step 202 forms the point of crossing being connected line or belt connecting line and forms the connecting line (step 203) that connecting line directly connects.8 connecting lines (circle point forms connecting line) that Figure 16 (C) is illustrated by the broken lines are extracted in this step 203.These connecting lines extracted comprise and enter connecting line Lin, leave connecting line Lout.
Then, utilize and extract the connecting line (step 204) that can enter from car with the connecting line that connecting line Lin is connected indirectly that enters extracted 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, connecting line range of search is the regional extent shown in cross-point amplifying pattern.
Finally, indirectly will be connected with entering connecting line but owing to limiting the restriction of the reason such as accident (construct) not enterable connecting line, (step 205) is removed from the connecting line extracted in step 204, the connecting line obtained by above step carries out showing (step 206) as cross-point amplifying pattern as Suo Shi Figure 16 (E), and this cross-point amplifying pattern shows path of navigation GR as Suo Shi Figure 16 (F).
Above, according to the present invention, when carrying out the enlarged drawing display of the multilayer point of crossing with sandwich construction, the connecting line of the layer travelled from car is only shown as cross-point amplifying pattern, and path of navigation is shown on this cross-point amplifying pattern, therefore, driver easily can be familiar with the driving path on the cross-point amplifying pattern of multilayer point of crossing.
In above embodiment, the situation that each layer of multilayer point of crossing is circle point is illustrated, if but the present invention at least one deck be 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.When traveling, the present invention when having the multilayer point of crossing of circle point is effective.Further, the present invention includes circle point, more effective when travelling at this circle point.
Claims (1)
1. a crossing enlarged drawing display method, is the crossing enlarged drawing display method carrying out Route guiding to destination and show the guider of cross-point amplifying pattern when from the circle point of car close to multi-ply construction, it is characterized in that, comprising:
Judge whether enter from the step in circle point setpoint distance from car; And
When being judged as entering in described circle point setpoint distance from car, the enlarged drawing in display circle point and carry out the step of Route guiding;
Enlarged drawing in described display circle point and carry out, in the step of Route guiding, comprising:
Extract the 1st step entering connecting line entering circle point from car;
Extract the 2nd step of the circle point formation connecting line as the connecting line forming this circle point;
Extract the 3rd step directly forming the connecting line that connecting line is connected with the described circle point extracted in described 2nd step;
Extract indirectly with extract in described 1st step described in enter connecting line and be connected and the 4th step of the connecting line that can enter from car;
In the connecting line extracted from described 4th step, delete and be indirectly connected but the 5th step of the connecting line that can not enter due to restriction with the described connecting line that enters; And
The connecting line obtained in described 1st step to the 5th step is carried out as cross-point amplifying pattern the 6th step that shows.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP332615/2005 | 2005-11-17 | ||
| JP2005332615A JP4799141B2 (en) | 2005-11-17 | 2005-11-17 | Navigation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1967152A CN1967152A (en) | 2007-05-23 |
| CN1967152B true CN1967152B (en) | 2015-05-13 |
Family
ID=38076040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610149456.XA Active CN1967152B (en) | 2005-11-17 | 2006-11-17 | Navigation device and its crossing enlarged drawing display method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4799141B2 (en) |
| CN (1) | CN1967152B (en) |
Families Citing this family (6)
| 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 |
| JP5864130B2 (en) * | 2011-05-18 | 2016-02-17 | アルパイン株式会社 | Navigation device |
| CN103522963B (en) * | 2013-09-23 | 2017-05-03 | 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 |
| CN106153064B (en) * | 2015-04-17 | 2020-04-14 | 高德信息技术有限公司 | Display method and device for intersection |
Family Cites Families (11)
| 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 |
| 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 |
| 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 |
| 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 |
-
2005
- 2005-11-17 JP JP2005332615A patent/JP4799141B2/en not_active Expired - Fee Related
-
2006
- 2006-11-17 CN CN200610149456.XA patent/CN1967152B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007140033A (en) | 2007-06-07 |
| CN1967152A (en) | 2007-05-23 |
| JP4799141B2 (en) | 2011-10-26 |
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