CN102798396B - Map display and method, guider and display packing thereof - Google Patents

Map display and method, guider and display packing thereof Download PDF

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Publication number
CN102798396B
CN102798396B CN201110138623.1A CN201110138623A CN102798396B CN 102798396 B CN102798396 B CN 102798396B CN 201110138623 A CN201110138623 A CN 201110138623A CN 102798396 B CN102798396 B CN 102798396B
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Prior art keywords
display
split screen
navigation
map
path
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CN102798396A (en
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张英鹏
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Alpine Electronics Inc
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Alpine Electronics Inc
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Abstract

The present invention relates to a kind of map display and method, guider and display packing thereof.This guider possesses present position test section, input part, storage part, track search portion and display part, this display part is with prescribed direction state upward, and according to mutually different engineer's scale, map picture carries out split screen display after the overlapping path of navigation explored by described track search portion.It is characterized in that also possessing: judging part, display part is shown to the situation of the map picture after overlap path of navigation with left and right split screen and upper and lower split screen, judge can path of navigation be shown farther from present position according to identical display condition in any situation; And display control unit, according to the judged result of judging part, make display part switch to left and right split screen display or split screen display up and down.Under prescribed direction display mode upward, also can by the display of suitable split screen, path of navigation is shown far away as far as possible, thus provide more effective information for user.

Description

Map display and method, guider and display packing thereof
Technical field
The present invention relates to a kind of map display and method, guider and display packing thereof, particularly relate to map display and method, guider and the display packing thereof of split screen display map.
Background technology
In recent years, be that the map display of representative is day by day universal with guider, correlation technique is progress constantly.Wherein, along with the increase of the size of display screen and the raising of resolution, nearest guider can carry out split screen display (such as showing with the two picture in left and right).Thus, user can obtain more information from guider, enjoys better visual experience.
Such as, patent documentation 1 discloses a kind of guider possessing split screen Presentation Function.Guider in patent documentation 1 advance be directed upwardly (headingup) display mode under, by display frame being divided into two divided frames in left and right, the map of vehicle current location periphery is shown in a divided frame, and in another divided frame, show the more (top of display frame, front, the i.e. direct of travel of vehicle) map, the indication range of the map of vehicle direct of travel side can be expanded.
But, as the display mode of guider, except direct of travel upward except, also often use prescribed direction upward, such as north is directed upwardly the display mode of (northup).And patent documentation 1 obviously cannot be applicable to this prescribed direction display mode upward.
Such as, under imagining the traditional map display mode be directed upwardly in north, vehicle is advanced from left to right from West to East, namely in display frame.Now, if still display frame is divided into two divided frames in left and right according to the technical scheme of patent documentation 1, and in two divided frames, show the map of vehicle current location periphery and direct of travel side respectively, compared with situation about then showing with single screen, the indication range of the map of vehicle direct of travel side can not be expanded.On the contrary, split screen display now can bring unnecessary interference to user, and causes the meaningless increase of the processing load of guider.
Patent documentation 1: Japanese Unexamined Patent Publication 2009-250868 publication
Summary of the invention
The present invention is directed to above problem, its object is to, a kind of map display and method, guider and display packing thereof are provided, even if under prescribed direction display mode upward, also can be shown, for user provides more effective information by suitable split screen.
To achieve these goals, the present invention relates to a kind of map display, possess: input part, input the information relevant with perpetual object; Storage part, stores the map datum comprising the data relevant with perpetual object; And display part, according to described map datum, with prescribed direction state upward, split screen display at least comprises the map of a part for described perpetual object; The feature of this map display is also possess: judging part, described display part is shown to the situation of map with left and right split screen and upper and lower split screen, judges according to the displaying contents of identical display condition described perpetual object in any situation more; And display control unit, according to the judged result of described judging part, make described display part switch to left and right split screen display or split screen display up and down.
In addition, the invention still further relates to a kind of map-indication method, for possessing the map display of input part, storage part and display part, it is characterized in that, comprising: input step, by described input part, input the information relevant with perpetual object; Step display, by described display part, according to the map datum comprising the data relevant with perpetual object that described storage part stores, with prescribed direction state upward, split screen display at least comprises the map of a part for described perpetual object; Determining step, shows the situation of map with left and right split screen and upper and lower split screen for described display part, judge according to the displaying contents of identical display condition described perpetual object in any situation more; And display and control step, according to the judged result of described determining step, make described display part switch to left and right split screen display or split screen display up and down.
According to map display of the present invention and map-indication method, under prescribed direction state upward, this two kinds of modes are shown for the display of left and right split screen and upper and lower split screen, judge according to the displaying contents of identical display condition perpetual object of user under any mode more, and according to judged result, be switched to the more split screen display mode of displaying contents of the perpetual object of user.Thus, even if under prescribed direction display mode upward, also can, by the display of suitable split screen, make the displaying contents of the perpetual object of user more, thus provide more effective information for user.
To achieve these goals, the invention still further relates to a kind of guider, possess: present position test section, detect present position; Input part, input destination; Storage part, stores the map datum comprising road data; Track search portion, utilizes described road data to explore the path of navigation from present position to destination; And display part, with prescribed direction state upward, and according to mutually different engineer's scale, the map picture formed according to described map datum carries out split screen display after the overlapping path of navigation explored by described track search portion; The feature of this guider is, also possess: judging part, described display part is shown to the situation of the map picture after the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge can described path of navigation be shown farther from present position according to identical display condition in any situation; And display control unit, according to the judged result of described judging part, make described display part switch to left and right split screen display or split screen display up and down.
In addition, the invention still further relates to a kind of display packing of guider, for possessing the guider of present position test section, input part, storage part, track search portion and display part, it is characterized in that, comprise: input step, by described input part, input destination; Present position detecting step, by described present position test section, detects present position; Track search step, by described track search portion, the road data comprised in the map datum utilizing described storage part to store, explores the path of navigation from present position to destination; Step display, by described display part, with prescribed direction state upward, and according to mutually different engineer's scale, carries out split screen display after the path of navigation that overlapping described track search step is explored on the map picture formed according to described map datum; Determining step, described display part is shown to the situation of the map picture after the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge can described path of navigation be shown farther from present position according to identical display condition in any situation; And display and control step, according to the judged result of described determining step, make described display part switch to left and right split screen display or split screen display up and down.
According to guider of the present invention and display packing thereof, under the state of prescribed direction (such as the north upward: northup) upward, according to mutually different engineer's scale, split screen shows the overlap map picture of path of navigation, for these two kinds of modes that the display of left and right split screen and upper and lower split screen show, judge can path of navigation be shown farther from present position according to identical display condition under any mode, and according to judged result, be switched to the split screen display mode that can show farther by path of navigation.Thus, even if under prescribed direction display mode upward, also can by the display of suitable split screen, path of navigation is shown far away as far as possible, thus provide more effective information for user.
In addition, in guider of the present invention, also can when connect on described present position and described path of navigation with first virtual line in the apart place of predetermined distance, described present position relative to the second virtual line inclination predetermined angular extended from described present position to prescribed direction more than, described judging part is judged as that described path of navigation can show farther from present position by upper and lower split screen; When described first virtual line tilts to be less than predetermined angular relative to described second virtual line, described judging part is judged as that described path of navigation can show farther from present position by left and right split screen.
In addition, in guider of the present invention, also can described judging part according to described map datum, calculate the distance (length) of the described path of navigation that can show respectively when the map picture after described display part shows the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge thus can described path of navigation be shown farther from present position in any situation.
In addition, in guider of the present invention, also can described judging part according to described map datum, calculate the section number in the described path of navigation that can show respectively when the map picture after described display part shows the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge thus can described path of navigation be shown farther from present position in any situation.
At this, provide several representational concrete determination methods.Namely, according to the section number in the direction of the path of navigation of predetermined distance from present position, the distance of path of navigation that can show, the path of navigation that maybe can show, can judge with left and right split screen simply and reliably or path of navigation can show farther from present position by split screen up and down.
In addition, in guider of the present invention, also can described judging part with specific time interval, described display part is shown to the situation of the map picture after the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge can described path of navigation be shown farther from present position in any situation.
At this, judging part judges with specific time interval, and makes described display part switch to left and right split screen mode or upper and lower split screen mode according to judged result.Thereby, it is possible to alleviate the processing load of guider, and by least switching the split screen display mode of display part with specific time interval, the switching of too frequent can be avoided, thus improve the comfort level of user.
Accompanying drawing explanation
Fig. 1 is the module map of the structure representing the map display that embodiments of the present invention 1 relate to.
Fig. 2 is the process flow diagram of the action representing the map display that embodiments of the present invention 1 relate to.
Fig. 3 is the schematic diagram of the embodiment representing the map display that embodiments of the present invention 1 relate to.Wherein, (a) represents the display frame of upper and lower split screen display map, and (b) represents the display frame of left and right split screen display map.
Fig. 4 is the module map of the structure representing the guider that embodiments of the present invention 2 relate to.
Fig. 5 is the process flow diagram of the action representing the guider that embodiments of the present invention 2 relate to.
Fig. 6 is the process flow diagram of the action of judging part in the embodiment 1 representing the guider that embodiments of the present invention 2 relate to.
Fig. 7 is the schematic diagram of the embodiment 1 representing the guider that embodiments of the present invention 2 relate to.Wherein, (a) expression is judged as the situation that path of navigation can show farther from present position by upper and lower split screen, and (b) expression is judged as the situation that path of navigation can show farther from present position by left and right split screen.
Fig. 8 is the process flow diagram of the action of judging part in the embodiment 2 representing the guider that embodiments of the present invention 2 relate to.
Fig. 9 is the schematic diagram of the embodiment 2 representing the guider that embodiments of the present invention 2 relate to.Wherein, (a) schematically shows the display frame of upper and lower split screen display map, and (b) schematically shows the display frame of left and right split screen display map.
Figure 10 is the process flow diagram of the action of judging part in the embodiment 3 representing the guider that embodiments of the present invention 2 relate to.
Figure 11 is the schematic diagram of the embodiment 3 representing the guider that embodiments of the present invention 2 relate to.Wherein, (a) schematically shows the display frame of upper and lower split screen display map, and (b) schematically shows the display frame of left and right split screen display map.
Label declaration
10 map displays
11,21 input parts
12,22 storage parts
13,23 display parts
14,24 handling parts
15,25 judging parts
16,26 display control units
20 guiders
27 track search portions
28 present position test sections
281 gyrotrons
282 vehicle speed sensor
283GPS sensor
Embodiment
Below, accompanying drawings the specific embodiment of the present invention.The present invention is not limited to following embodiment, also can carry out suitable distortion and combination to each embodiment.These technical schemes formed by being out of shape and combine are also included among the scope of the application.
1, embodiment 1
Below, the map display 10 that relates to of accompanying drawings embodiments of the present invention 1.
1.1, the structure of map display 10
Fig. 1 is the module map of the structure representing the map display 10 that embodiments of the present invention 1 relate to.As shown in Figure 1, map display 10 possesses input part 11, storage part 12, display part 13 and handling part 14.Wherein, handling part 14 plays the effect of judging part 15 and display control unit 16.Below, each composition structure of map display 10 is described respectively in detail.
1.1.1, input part 11
Input part 11 inputs the information relevant with perpetual object.So-called perpetual object, refers to user's hopefully object of showing of map display device 10.Perpetual object can be region, place, road or path etc.Region is such as country (such as China), provinces and cities (such as Dalian), place (such as Xinghai Square) etc.; Place is such as shop (such as ×× lobby, ×× fast food restaurant) etc.; Road (such as Huang Helu, Zhongshan Road etc.); Path is such as path of navigation (such as from Xinghai Square to the driving route of Dalian research and development centre of Voest-Alpine Electronic Co., Ltd. or transfer route) etc.For perpetual object, as long as relative map can be shown by map display 10, be not then particularly limited to.The so-called information relevant with perpetual object, can be the title of perpetual object, a part etc. for title, when perpetual object is path, can be the title of starting point and destination.
Input part 11 can pass through the various known device such as touch panel, keyboard, mouse, microphone and realize, and is not particularly limited at this.User utilizes input part 11, by various means such as touch, voice, inputs the information relevant with perpetual object.
1.1.2, storage part 12
Storage part 12 store map data.Map datum comprises describes various geodata needed for map and graph data, wherein comprises the data relevant with perpetual object.Such as, when perpetual object is region, map datum comprises the zoning data etc. in this region; When perpetual object is place, map datum comprises the position data etc. in this place; When perpetual object is road, map datum comprises the data such as traffic post on the title of this road, position, road; When perpetual object is path, map datum comprises the road data etc. in this path.
Wherein, the map datum corresponding with multiple engineer's scale is stored in storage part 12.Engineer's scale is also called reduced scale, represents the degree that the distance in display frame reduces compared with actual range, that is: engineer's scale=picture distance/actual range.
Storage part 12 can be realized by storeies such as storage card, ROM, RAM such as the CD such as hard disk, CD, DVD, BD, SD card, TF cards.Storage part 12 both can be built in map display 10, also can be connected with map display 10 pluggablely.In addition, storage part 12 also can be obtained from other equipment or server by cable network, wireless network, bluetooth or infrared mode or upgrade map datum.
1.1.3, display part 13
Display part 13 is according to the map datum stored in storage part 12, and with prescribed direction state upward, split screen display at least comprises the map of a part for described perpetual object.So-called prescribed direction upward, such as, can adopt the traditional map display mode in the north (northup) upward, certainly be not limited to this, also can change arbitrarily according to actual conditions.So-called split screen display, refers to and the viewing area of display part 13 is divided into multiple picture to show, and comprises left and right split screen display and the display of upper and lower split screen.Such as, can by second-class for the viewing area of display part 13 two pictures in left and right that are divided into carry out left and right split screen display, or be divided into upper and lower two pictures to carry out upper and lower split screen display by second-class for the viewing area of display part 13.
As mentioned above, owing to storing the map datum corresponding with multiple engineer's scale in storage part 12, therefore display part 13 is according to this map datum, can with multiple engineer's scale display map.Wherein, when split screen display map, two pictures both can show different information (contrast display) according to identical engineer's scale, also can carry out showing (expanding display) according to different engineer's scales.
Display part 13 can pass through the various display device such as liquid crystal display, plasma display, OLED display, projector and realize, and does not limit at this.
1.1.4, handling part 14
Handling part 14 receives the input of user from input part 11, transceiving data between storage part 12, and controls display part 13 and show.Handling part 14 is such as realized by integrated circuit such as processor, LSI such as CPU, MPU.Thus, handling part 14 plays the effect of judging part 15 and display control unit 16.Below, judging part 15 and display control unit 16 is described in detail.
1.1.5, judging part 15
Judging part 15 shows the situation of map with left and right split screen and upper and lower split screen for display part 13, judge according to the displaying contents of identical display condition perpetual object in any situation more.So-called identical display condition, in picture (such as going up picture) corresponding with this picture when referring to a picture (such as left picture) when left and right split screen shows and the display of upper and lower split screen, show with identical engineer's scale and identical display mode (equidirectional upward, perpetual object placed in the middle etc.).The displaying contents of so-called perpetual object, when perpetual object is region (such as Dalian), refers to the display quantity of information (area in such as shown region) in picture in this region; When perpetual object is place (such as ×× lobby), refer to the quantity (number of this such as shown business hall) in this place in picture; When perpetual object is path (such as from Xinghai Square to the path of driving of Dalian research and development centre of Voest-Alpine Electronic Co., Ltd.), refer to the distance (milimeter number in the path of driving such as shown from starting point Xinghai Square) in this path in picture.
Judging part 15 receives the information relevant with perpetual object inputted from input part 11, the map datum comprising the data relevant with perpetual object is read from storage part 12, display part 13 is shown to the situation of this map datum with left and right split screen and upper and lower split screen, judge in corresponding picture, more according to the displaying contents of identical display condition perpetual object in any situation.In judgement, can also with reference to the ratio of width to height etc. of the viewing area of display part 13.Thereafter, judged result is exported to display control unit 16.
1.1.6, display control unit 16
Display control unit 16, according to the judged result of judging part 15, makes display part 13 switch to left and right split screen display or split screen display up and down.Specifically, when judging part 15 is judged as that the displaying contents of the perpetual object when left and right split screen is more, display control unit 16 makes display part 13 switch to left and right split screen display; When judging part 15 is judged as that the displaying contents of the perpetual object when upper and lower split screen is more, display control unit 16 makes display part 13 switch to upper and lower split screen to show.
1.2, the action of map display 10
Fig. 2 is the process flow diagram of the action representing the map display 10 that embodiments of the present invention 1 relate to.As shown in Figure 2, the motion flow of map display 10 comprises the following steps.
1.2.1, input step (S101)
In input step S101, user, by input part 11, inputs the information relevant with perpetual object.
1.2.2, step display (S102)
In step display, the map datum comprising the data relevant with perpetual object that display part 13 stores according to storage part 12, display at least comprises the map of a part for perpetual object.Such as, the state split screen display map that display part 13 can be directed upwardly according to the rules, also can according to other modes such as non-split screen mode display map.
1.2.3, determining step
In determining step, display part 103 is shown to the situation of map with left and right split screen and upper and lower split screen, judge according to the displaying contents of identical display condition described perpetual object in any situation more.
Determining step can be divided into three sub-steps S1031, S1032 and S1033.In sub-step S1031, if display part 13 shows with prescribed direction state upward, then advance to sub-step S1032, otherwise process ends.In sub-step S1032, if display part 13 split screen (such as left and right split screen) display at least comprises the map of a part for perpetual object, then advance to step S1033, otherwise process ends.In sub-step S1033, when display part 13 split screen (such as left and right split screen) shows, judge that under present split screen (left and right split screen) split screen that mode is different (upper and lower split screen) mode, whether the displaying contents of perpetual object is more.
In the more situation of displaying contents that determining step is judged as perpetual object under the split screen mode different from present split screen mode, advance to step S104, otherwise process ends.
1.2.4, display and control step (S104)
In display and control step S104, according to the judged result of determining step, display part 13 is made to switch to left and right split screen display or split screen display up and down.Such as, if determining step is judged as more from the displaying contents of perpetual object under present split screen (left and right split screen) split screen that mode is different (upper and lower split screen) mode, then switching to the split screen (upper and lower split screen) different from present split screen (left and right split screen) to show.
1.3, the embodiment of map display 10
Fig. 3 is the schematic diagram of the embodiment representing the map display 10 that embodiments of the present invention 1 relate to.Wherein, (a) represents the display frame of upper and lower split screen display map, and (b) represents the display frame of left and right split screen display map.Herein, the ratio of width to height of the viewing area of map display device 10 is 4: 3 hypothetically, current with north state upward, is divided into upper and lower two pictures display map by second-class.In map display 10, upper picture shows overall picture with less engineer's scale (larger relative to the minification of actual range), and lower picture expands the perpetual object of display user with larger engineer's scale (less relative to the minification of actual range).In each picture, the perpetual object of user is shown between two parties.
First, in input step S101, user is by input part 11, and input " Xinghai Square " is as perpetual object.
Then, in step display, as shown in Fig. 3 (a), the map datum relevant with " Xinghai Square " that display part 13 stores according to storage part 12, with north state upward, by the map of different engineer's scales display centered by " Xinghai Square " in upper and lower picture.Wherein, " Xinghai Square " is the elliptical region of shadow part in figure.
Then, in determining step, because display part 13 shows with the north (prescribed direction) state upward, therefore sub-step S1032 is advanced to from sub-step S1031.Because display part 13 is the display of upper and lower split screen, therefore advance to sub-step S1033 from sub-step S1032.
In sub-step S1033, judge that, under the left and right split screen mode different from present split screen mode up and down, whether the displaying contents of perpetual object " Xinghai Square " is more.Now, under left and right split screen mode (second-class be divided into left and right two pictures), in the left picture corresponding with the upper picture of upper and lower split screen mode, overall picture is shown with the engineer's scale identical with upper picture, in the right picture corresponding with the lower picture of upper and lower split screen mode, expand with the engineer's scale identical with lower picture the perpetual object showing user.And, equally with the north upward, and in each picture, make the perpetual object of user show between two parties.Wherein, because perpetual object is region, the area of the perpetual object shown under therefore judging any split screen mode is maximum.Because under the split screen mode of left and right, the display area of perpetual object " Xinghai Square " is comparatively large, then, under being judged as the left and right split screen mode different from present split screen mode up and down, the displaying contents of perpetual object " Xinghai Square " is more.
Finally, in display and control step S104, according to the judged result of determining step, make display part 13 switch to left and right split screen display, obtain the display frame as shown in Fig. 3 (b).In Fig. 3 (a), (b), more corresponding picture is known, and the left and right split screen mode after switching more intactly shows the perpetual object " Xinghai Square " of user.
As mentioned above, according to the map display 10 of embodiment 1, even if under prescribed direction display mode upward, also can, by the display of suitable split screen, make the displaying contents of the perpetual object of user more, thus provide more effective information for user.In addition, by comprising the map-indication method of each step in the motion flow of above-mentioned map display 10, can present embodiment be realized too, and obtain above effect.
1.4, the variation of map display 10
In embodiment 1, the situation that the engineer's scale describing display part 13 each picture in split screen display is fixed respectively.But present embodiment is not limited to this, the engineer's scale of each picture also can be variable, automatically carries out accommodation, can show the entirety of perpetual object according to the perpetual object that user is inputted by input part 11.
Now, at display part 13 with prescribed direction state upward and when comprising the map of perpetual object according to the display of variable engineer's scale split screen, judging part 15 can carry out following judgement on backstage, that is: according to the engineer's scale in the corresponding picture of different split screen mode, judge that the displaying contents of perpetual object in any situation is more.That is, engineer's scale larger (less relative to the minification of actual range), the information in the map datum shown by display part 13 is general also more, is judged as that the displaying contents of perpetual object is more.Like this, according to the judged result of judging part 15, display control unit 16 switches to the more split screen display mode of the displaying contents of perpetual object.Thereby, it is possible to by suitable split screen display, make the displaying contents of the perpetual object of user more, thus provide more effective information for user.
In embodiment 1, illustrate that left and right is second-class and be divided into two pictures and the second-class split screen mode being divided into two pictures up and down.But in embodiment 1, split screen mode is not limited to this, such as, also the viewing area fourth class can be divided into four pictures etc.
2, embodiment 2
Below, the guider 20 that relates to of accompanying drawings embodiments of the present invention 2.Wherein, the guider 20 of present embodiment 2 is embody rule of the map display 10 of above-mentioned embodiment 1, and in the following description with reference to the content of embodiment 1, the repetitive description thereof will be omitted.
2.1, the structure of guider 20
Fig. 4 is the module map of the structure representing the guider 20 that embodiments of the present invention 2 relate to.As shown in Figure 4, guider 20 possesses input part 21, storage part 22, display part 23, handling part 24 and present position test section 28.Wherein, handling part 24 plays the effect in judging part 25, display control unit 26 and track search portion 27.Below, each composition structure of guider 20 is described respectively in detail.
2.1.1, present position test section 28
Present position test section 28 detects the present position of vehicle.Such as, present position test section 28 can involving vibrations gyroscope 281, vehicle speed sensor 282 and GPS sensor 283.Wherein, gyrotron 281 can detect the angular motion situation of vehicle, obtains the travel conditions such as turn inside diameter, climb and fall thus.Vehicle speed sensor 282 can detect the speed and acceleration etc. of vehicle.GPS sensor 283 according to the gps signal from satellite, can detect the current location of vehicle.Wherein, above-mentioned each structure of present position test section 28 is all known, does not repeat at this.And, as long as present position test section 28 can detect the present position of vehicle, also GPS sensor 283 can be only included.
2.1.2, input part 21
Input part 21 inputs the destination of vehicle.Input part 21 such as can be realized by the touch display screen of guider 20, input destination is touched by user, also can be realized by the button on the front panel of guider 20, manually destination is inputted by user, can also be realized by audio input devices such as the microphones that guider 20 is arranged, input destination by user speech.
2.1.3, storage part 22
Storage part 22 stores the map datum comprising road data.Specifically, in storage part 22, store respectively and the background of map (land, ocean, block etc.) relevant data, the data relevant with buildings and road data.This road data is made up of the section (link) between node (node), wherein, and the specified place in node table pictorial map, and section represents one section of road between this specified place.
Storage part 22 can be realized by the structure that the storage part 12 of the map display 10 with embodiment 1 is identical, in storage part 22, also stores the map datum corresponding with multiple engineer's scale.
2.1.4, display part 23
Display part 23 can show user interface, operating guidance and map picture etc. usually.Wherein, such as can with prescribed direction state upward, and according to mutually different engineer's scale, the map picture that data are formed according to the map carries out split screen display after the overlapping path of navigation explored by track search portion 27.
In general guider, display part has three kinds of display modes, namely prescribed direction (such as the north) upward, direct of travel upward and 3D (three-dimensional) pattern.In the present embodiment, display part 23 shows with prescribed direction state upward.
As concrete display packing, display part 23 such as takes the method for Layering manifestation.At ground floor (bottom), the data relevant with background that is map that are that store according to storage part 22, the background (land, ocean, block etc.) of display map.At the second layer, according to the data relevant with buildings that storage part 22 stores, the information of display buildings.At third layer (top), according to the path of navigation that track search portion 27 is explored, overlapping path of navigation on map datum.
In addition, owing to storing the map datum corresponding with multiple engineer's scale in storage part 22, therefore display part 23 is when split screen display map picture, can carry out showing (expanding display) according to different engineer's scales.The split screen display mode of display part 23 and implementation identical with the display part 13 of the map display 10 in embodiment 1, do not repeat at this.
2.1.5, handling part 24
Handling part 24 receives the input of user from input part 21, and receives the present position detected from present position test section 28, transceiving data between storage part 22, and controls display part 23 and show.Handling part 24 is such as realized by integrated circuit such as processor, LSI such as MPU.Thus, handling part 24 plays the effect in judging part 25, display control unit 26 and track search portion 27.Below, judging part 25, display control unit 26 and track search portion 27 is described in detail.
2.1.6, track search portion 27
Track search portion 27 utilizes road data to explore the path of navigation from present position to destination.Specifically, track search portion 27 is according to the present position inputted from present position test section 28 and the destination inputted from input part 21, road data (node, section) in the map datum utilizing storage part 22 to store, explores the path of navigation from present position to destination.Such as, this path of navigation can be made up of one or more section (link).
2.1.7, judging part 25
Judging part 25 shows the situation of the map picture after overlap path of navigation with left and right split screen and upper and lower split screen for display part 23, judge to show farther from present position by path of navigation according to identical display condition in any situation.Wherein, identical with the map display 10 of embodiment 1, in picture (such as going up picture) corresponding with this picture when the picture (such as left picture) when left and right split screen shows and the display of upper and lower split screen, show with identical display mode (such as present position is in the side of picture) with identical engineer's scale.
The map datum stored in the path of navigation that judging part 25 is explored according to track search portion 27 and storage part 22, the situation of the map picture after having shown path of navigation for display part 23 overlapping with left and right split screen and upper and lower split screen, judges that path of navigation can show farther from present position by which side in corresponding picture (such as above-mentioned left picture and above-mentioned upper picture or right picture and lower picture).Concrete example, as can be judged according to the section number in the direction of path of navigation, the distance of path of navigation that can show and the path of navigation that can show, is waited until in embodiment and is described in detail.Judged result is exported to display control unit 26 by judging part 25.
2.1.8, display control unit 26
Display control unit 26, according to the judged result of judging part 25, makes display part 23 switch to left and right split screen display or split screen display up and down.Specifically, when judging part 25 is judged as to show farther from present position by path of navigation when left and right split screen, display control unit 26 makes display part 23 switch to left and right split screen display; When judging part 25 is judged as to show farther from present position by path of navigation when upper and lower split screen, display control unit 26 makes display part 23 switch to upper and lower split screen to show.
2.2, the action of guider 20
Fig. 5 is the process flow diagram of the action representing the guider 20 that embodiments of the present invention 2 relate to.As shown in Figure 5, the motion flow of guider 20 comprises the following steps.
2.2.1, input step (S201)
In input step S201, user, by input part 11, inputs destination.
2.2.2, present position detecting step (S202)
In the detecting step S202 of present position, by present position test section 28, detect present position.
In addition, in the motion flow of guider 20, the mutual order of input step S201 and present position detecting step S202 also can be replaced.That is, detecting step S202 in present position also can carry out before input step S201.
2.2.3, track search step (S203)
In track search step S203, by track search portion 27, according to the present position detected in the destination inputted in input step S201 and present position detecting step S202, the road data comprised in the map datum utilizing storage part 22 to store, explores the path of navigation from present position to destination.
2.2.4, step display (S204)
In step display, by display part 23, show after the path of navigation that overlapping track search step S203 explores on the map picture formed according to the map datum stored in storage part 22.Such as, the state that can be directed upwardly according to the rules and carry out split screen display according to mutually different engineer's scale, also can show according to other modes such as non-split screen mode.
2.2.5, determining step
In determining step, the situation of the map picture after having shown path of navigation for display part 103 overlapping with left and right split screen and upper and lower split screen, judges to show farther from present position by path of navigation in any situation.
Determining step can be divided into three sub-steps S2051, S2052 and S2053.In sub-step S2051, if display part 23 shows with prescribed direction state upward, then advance to sub-step S2052, otherwise process ends.In sub-step S2052, if display part 23 split screen (such as left and right split screen) shows map picture, then advance to step S2053, otherwise process ends.
In sub-step S2053, when display part 23 split screen (such as left and right split screen) shows, judge, under present split screen (left and right split screen) split screen that mode is different (upper and lower split screen) mode, whether can show farther from present position by path of navigation in corresponding split screen.About concrete determination methods, please refer to embodiment described later.
When determining step is judged as to show farther from present position by path of navigation under the split screen mode different from present split screen mode, advance to step S206, otherwise process ends.
2.2.6, display and control step (S206)
In display and control step S206, according to the judged result of determining step, display part 23 is made to switch to left and right split screen display or split screen display up and down.Such as, if determining step is judged as to show farther from present position by path of navigation under present split screen (left and right split screen) split screen that mode is different (upper and lower split screen) mode, then the split screen (upper and lower split screen) different from present split screen (left and right split screen) is switched to show.
2.3, the embodiment of guider 20
Referring to Fig. 6 ~ Figure 11, three specific embodiments of guider 20 are described, and the concrete determination methods of judging part 25 are described in conjunction with the embodiments.
2.3.1, embodiment 1
Fig. 6 is the process flow diagram of the action of judging part 25 in the embodiment 1 representing the guider 20 that embodiments of the present invention 2 relate to, and is a kind of implementation of the step S2053 in determining step.Fig. 7 is the schematic diagram of the embodiment 1 representing the guider 20 that embodiments of the present invention 2 relate to.Wherein, (a) expression is judged as the situation that path of navigation can show farther from present position by upper and lower split screen, and (b) expression is judged as the situation that path of navigation can show farther from present position by left and right split screen.
As shown in Figure 6, the step S2053 in determining step can be realized by sub-step S20531 ~ S20535.When being judged as that in step S2052 display part 23 split screen shows, advance to sub-step S20531.
In sub-step S20531, judging part 25 find on path of navigation with present position at a distance of the place of predetermined distance.That is, the length of the path of navigation between this place and present position is predetermined distance.In (a), (b) of Fig. 7, present position is A, and what path of navigation searched out is B with present position at a distance of the place of predetermined distance.The screen size of the engineer's scale that this predetermined distance such as can utilize according to current display and display part 23 is determined.As mentioned above, path of navigation can comprise one or more section, according to the distance (length) in included each section, can calculate the distance (length) of all or part of path of navigation.Thus, the section distance in the road data included by the map datum stored in storage part 22 predetermined distance on path of navigation can be calculated.
In sub-step S20532, judging part 25 connects present position and above-mentioned place, generates the first virtual line.In (a), (b) of Fig. 7, the first virtual line represented by dashed line.
In sub-step S20533, judging part 25 calculates the angle that the first virtual line tilts relative to the second virtual line extended to prescribed direction from present position.In (a), (b) of Fig. 7, represent the second virtual line (in this embodiment, the second virtual line north extended from present position being shown) with dotted line, represent angle of inclination with θ.
In sub-step S20534, angle of inclination and predetermined angular compare by judging part 25.Described predetermined angular such as can be determined according to the ratio of width to height of the viewing area of display part 23, also can fixedly be set to 45 degree.
In sub-step S20535, can judging part 25 judge show farther by path of navigation from present position under the split screen mode different from present split screen mode.Specifically, as shown in Fig. 7 (a), when tilt angle theta is more than predetermined angular (such as 45 degree), be judged as that path of navigation can show farther from present position by upper and lower split screen.Otherwise, as shown in Fig. 7 (b), when tilt angle theta is less than predetermined angular (such as 45 degree), be judged as that path of navigation can show farther from present position by left and right split screen.The split screen mode current according to display part 23, process ends or advance to switch step S206.
2.3.2, embodiment 2
Fig. 8 is the process flow diagram of the action of judging part 25 in the embodiment 2 representing the guider 20 that embodiments of the present invention 2 relate to, and is a kind of implementation of the step S2053 in determining step.Fig. 9 is the schematic diagram of the embodiment 2 representing the guider 20 that embodiments of the present invention 2 relate to.Wherein, (a) schematically shows the display frame of upper and lower split screen display map, and (b) schematically shows the display frame of left and right split screen display map.
As shown in Figure 8, the step S2053 in determining step can be realized by sub-step S20531 ' ~ S20534 '.When being judged as that in step S2052 display part 23 split screen shows, advance to sub-step S20531 '.
In sub-step S20531 ', judging part 25 data according to the map, calculate the distance of the path of navigation that can show in the next picture of present split screen mode.Such as, as shown in Fig. 9 (a), if present split screen mode is upper and lower split screen, calculates and carry out expanding the distance of path of navigation that can show in the lower picture of display, namely in present position A and lower picture path of navigation solstics B between the distance of path of navigation.As mentioned above, path of navigation can comprise multiple section, according to the distance (length) in included each section, can calculate the distance (length) of all or part of path of navigation.Thereby, it is possible to the section distance in road data included by the map datum stored in storage part 22 calculates the distance of path of navigation.
In sub-step S20532 ', judging part 25 data according to the map, calculate under the split screen mode different from present split screen mode, the distance of the path of navigation that can show in the picture corresponding with an above-mentioned picture.Such as, as shown in Fig. 9 (b), to calculate under left and right split screen mode with above-mentioned lower picture with the same distance of carrying out expanding the path of navigation that can show in the right picture shown of same ratio chi, namely in present position A and right picture path of navigation solstics C between the distance of path of navigation.
In sub-step S20533 ', compare the distance of the path of navigation calculated in sub-step S20531 ' and sub-step S20532 '.In the example of figure 9, the distance of the path of navigation in right picture between AC is than the distance of the path of navigation in lower picture between AB.
In sub-step S20534 ', can judging part 25 judge show farther by path of navigation from present position under the split screen mode different from present split screen mode.In the example of figure 9, because the distance of the path of navigation that can show under the split screen mode of left and right is longer, can path of navigation be shown farther from present position, therefore be judged as "Yes", advance to switch step S206.Otherwise, process ends.
2.3.3, embodiment 3
Figure 10 is the process flow diagram of the action of judging part 25 in the embodiment 3 representing the guider 20 that embodiments of the present invention 2 relate to, and is a kind of implementation of the step S2053 in determining step.Figure 11 is the schematic diagram of the embodiment 3 representing the guider 20 that embodiments of the present invention 2 relate to.Wherein, (a) schematically shows the display frame of upper and lower split screen display map, and (b) schematically shows the display frame of left and right split screen display map.
As shown in Figure 10, the step S2053 in determining step can be realized by sub-step S20531 " ~ S20534 ".When being judged as that in step S2042 display part 23 split screen shows, advance to sub-step S20531 ".
At sub-step S20531 " in, judging part 25 data according to the map, calculate section (Link) number in the path of navigation that can show in the next picture of present split screen mode.Such as, as Figure 11
A, shown in (), if present split screen mode is upper and lower split screen, calculate the section number in the path of navigation carrying out can showing in the lower picture of expansion display, the quantity in the section that result is complete is 3 (AB, BC, CD).
At sub-step S20532 " in, judging part 25 data according to the map, calculate under the split screen mode different from present split screen mode, the section number in the path of navigation that can show in the picture corresponding with an above-mentioned picture.Such as, as shown in Fig. 9 (b), to calculate under left and right split screen mode with above-mentioned lower picture with the same section number carrying out expanding in the path of navigation that can show in the right picture shown of same ratio chi, the quantity in the section that result is complete is 4 (AB, BC, CD, DE).
At sub-step S20533 " in, compare the section number in the path of navigation calculated in sub-step S20531 " and sub-step S20532 ".In the example of figure 9, in right picture, the section number (4) of path of navigation is more than the section number (3) of path of navigation in lower picture.
At sub-step S20534 " in, can judging part 25 judge show farther by path of navigation from present position under the split screen mode different from present split screen mode.In the example of figure 9, because the section number in the guiding route that can show under the split screen mode of left and right is more, can path of navigation be shown farther from present position, therefore be judged as "Yes", advance to switch step S206.Otherwise, process ends.
In above embodiment 1 ~ 3, provide several representational concrete determination methods.Namely, according to the section number in the direction of the path of navigation of predetermined distance from present position, the distance of path of navigation that can show, the path of navigation that maybe can show, can judge with left and right split screen simply and reliably or path of navigation can show farther from present position by split screen up and down.Certainly, the determination methods (the step S2053 in determining step) of judging part 25 is not limited to above several, also can suitably change.
According to guider 20 of the present invention, under prescribed direction state upward, according to mutually different engineer's scale, split screen shows the overlap map picture of path of navigation, for these two kinds of modes that the display of left and right split screen and upper and lower split screen show, judge can path of navigation be shown farther from present position under any mode, and according to judged result, be switched to the split screen display mode that can show farther by path of navigation.Thus, even if under prescribed direction display mode upward, also can by the display of suitable split screen, path of navigation is shown far away as far as possible, thus provide more effective information for user.In addition, by comprising the display packing of the guider of each step in the motion flow of above-mentioned guider 20, can present embodiment be realized too, and obtain above effect.
2.4, the variation of guider 20
In embodiment 2, judging part 25 can with specific time interval, display part 23 is shown to the situation of the map picture after overlap path of navigation with left and right split screen and upper and lower split screen, judge can path of navigation be shown farther from present position in any situation.Such as, specific time interval fixedly can be set to 10 seconds, or also can be selected by user or manually input this time interval.At this, judging part 25 judges with specific time interval, and makes display part 23 switch to left and right split screen mode or upper and lower split screen mode according to judged result.Thereby, it is possible to alleviate the processing load of guider 20, and by least switching the split screen display mode of display part 23 with specific time interval, the switching of too frequent can be avoided, thus improve the comfort level of user.
In addition, the judgement of judging part 25 is not limited to specific time interval opportunity, such as also can when present position test section 28 upgrades present position at every turn by judging.Or, also judging part 25 can be specified to carry out the opportunity judged by such as input part 21 by user.
3, other variation
Above accompanying drawings some embodiments of the present invention.But the present invention is not limited to above-mentioned embodiment 1,2, also can carry out following distortion.
Such as, in embodiment 1,2, first shown with upper and lower split screen mode or left and right split screen mode by display part, then by the judged result of display control unit according to judging part, the split screen mode switching or keep display part present.But, when the processing power of handling part allows, also first can judge optimum split screen mode by judging part, then be shown with the split screen mode of the best by display part.
Thus, display part is just showing with the split screen mode of the best at first, can in the very first time for user provides more effective information.And, avoid the switching action in procedure for displaying as far as possible, improve the comfort level of user.
Such as, in embodiment 1,2, after have switched present split screen mode by display control unit according to the judged result of judging part, process ends.But, when the processing power of handling part allows, also determining step can be performed at the Posterior circle that have switched present split screen mode.
Thus, even if user does not carry out new input, also can perform determining step according to present case, always show with the split screen mode of the best, for user provides more effective information.
Such as, in embodiment 1, describe the situation that perpetual object is path.And, in embodiment 2, describe the situation of the map picture after guider display overlap path of navigation.At this, so-called " path ", refers to the path of display continuously.That is, " distance in path ", refers to the distance in the path of display continuously.About the determination methods for display continuously, can according to node whether by all whether display or section are judged by complete display.In addition, for the section that there is bending point in way, can by identifying bending point in section and judging that whether bending point is judged by whole displays.

Claims (8)

1. a guider, possesses:
Present position test section, detects present position;
Input part, input destination;
Storage part, stores the map datum comprising road data;
Track search portion, utilizes described road data to explore the path of navigation from present position to destination; And
Display part, with prescribed direction state upward, and according to mutually different engineer's scale, the map picture formed according to described map datum carries out split screen display after the overlapping path of navigation explored by described track search portion;
The feature of this guider is also possess:
Judging part, shows the situation of the map picture after the described path of navigation of overlap, judges to show farther from present position by described path of navigation according to identical display condition in any situation with left and right split screen and upper and lower split screen for described display part; And
Display control unit, according to the judged result of described judging part, makes described display part switch to left and right split screen display or split screen display up and down.
2. guider as claimed in claim 1, is characterized in that,
When connect on described present position and described path of navigation with first virtual line in the apart place of predetermined distance, described present position relative to the second virtual line inclination predetermined angular extended from described present position to prescribed direction more than, described judging part is judged as that described path of navigation can show farther from present position by upper and lower split screen
When described first virtual line tilts to be less than predetermined angular relative to described second virtual line, described judging part is judged as that described path of navigation can show farther from present position by left and right split screen.
3. guider as claimed in claim 1, is characterized in that,
Described judging part is according to described map datum, calculate the distance of the described path of navigation that can show respectively when the map picture after described display part shows the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge thus can described path of navigation be shown farther from present position in any situation.
4. guider as claimed in claim 1, is characterized in that,
Described judging part is according to described map datum, calculate the section number in the described path of navigation that can show respectively when the map picture after described display part shows the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge thus can described path of navigation be shown farther from present position in any situation.
5. the guider as described in Claims 1 to 4, is characterized in that,
Described judging part, with specific time interval, shows the situation of the map picture after the described path of navigation of overlap, judges to show farther from present position by described path of navigation in any situation with left and right split screen and upper and lower split screen for described display part.
6. a display packing for guider, for possessing the guider of present position test section, input part, storage part, track search portion and display part, is characterized in that, comprise:
Input step, by described input part, input destination;
Present position detecting step, by described present position test section, detects present position;
Track search step, by described track search portion, the road data comprised in the map datum utilizing described storage part to store, explores the path of navigation from present position to destination;
Step display, by described display part, with prescribed direction state upward, and according to mutually different engineer's scale, carries out split screen display after the path of navigation that overlapping described track search step is explored on the map picture formed according to described map datum;
Determining step, described display part is shown to the situation of the map picture after the described path of navigation of overlap with left and right split screen and upper and lower split screen, judge can described path of navigation be shown farther from present position according to identical display condition in any situation; And
Display and control step, according to the judged result of described determining step, makes described display part switch to left and right split screen display or split screen display up and down.
7. a map display, possesses:
Input part, inputs the information relevant with perpetual object;
Storage part, stores the map datum comprising the data relevant with perpetual object; And
Display part, according to described map datum, with prescribed direction state upward, split screen display at least comprises the map of a part for described perpetual object;
The feature of this map display is also possess:
Judging part, shows the situation of map with left and right split screen and upper and lower split screen for described display part, judge according to the displaying contents of identical display condition described perpetual object in any situation more; And
Display control unit, according to the judged result of described judging part, makes described display part switch to left and right split screen display or split screen display up and down.
8. a map-indication method, for possessing the map display of input part, storage part and display part, is characterized in that, comprising:
Input step, by described input part, inputs the information relevant with perpetual object;
Step display, by described display part, according to the map datum comprising the data relevant with perpetual object that described storage part stores, with prescribed direction state upward, split screen display at least comprises the map of a part for described perpetual object;
Determining step, shows the situation of map with left and right split screen and upper and lower split screen for described display part, judge according to the displaying contents of identical display condition described perpetual object in any situation more; And
Display and control step, according to the judged result of described determining step, makes described display part switch to left and right split screen display or split screen display up and down.
CN201110138623.1A 2011-05-26 2011-05-26 Map display and method, guider and display packing thereof Expired - Fee Related CN102798396B (en)

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