CN102543038B - Display method and display device - Google Patents
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- CN102543038B CN102543038B CN201010616738.2A CN201010616738A CN102543038B CN 102543038 B CN102543038 B CN 102543038B CN 201010616738 A CN201010616738 A CN 201010616738A CN 102543038 B CN102543038 B CN 102543038B
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Abstract
The invention provides a display method and a corresponding display device thereof. The display method comprises the following steps: the geographic position of a target and the scale of the target in a first display area of a screen are extracted; a first map containing the target is displayed at the first display area in the scale of the target, and is served as a base map; a second map containing the target is displayed at a second display area of the screen in a maximal scale in a superimposed manner; and the first display area is larger than the second display area. The display device comprises a map data base, an extraction unit, a display processing unit and a display unit. The invention provides a display method and a corresponding display device which are used to watch the global information and partial detailed information of the image by a user. During the image display process, the image displayed by the display method or the display device can be switched among the optional scale, the maximal scale, and the combination of the optional scale and the maximal scale, thereby meeting the different watching requirements of users.
Description
Technical field
The present invention relates to display packing and display device, more specifically, the present invention relates to the display packing and the display device that show same image with two different scales simultaneously.
Background technology
Day by day universal along with automobile, vehicle mounted guidance technology also obtains thereupon and develops fast.Common navigation software engineer's scale of General maps in the process of navigation is fixed, to facilitate guiding.And the zoom function of navigation map needs to trigger realization by user operation substantially.
Usually when larger change occurs the speed of automobile, user may need different map denotation to experience.Such as when the speed of a motor vehicle is slower, user needs the engineer's scale of map to amplify, to facilitate the road conditions and POI (abbreviation of Point of Interest is also point of interest) information of seeing oneself side, parking stall clearly; When the speed of a motor vehicle is very fast, user needs the scale compression of map, to see information more of overall importance.
But user's both hands in the process of driving are inconvenient to operate, even if user can operate, when carrying out map convergent-divergent at every turn, user needs to operate, cumbersome.
Therefore, how to meet the navigation needs that user sees the traffic information of global information and oneself vehicle-surroundings in navigation procedure simultaneously, become the problem needing solution badly.And in other field, can run into equally needs the same image problem that represents of chi in varing proportions simultaneously, to facilitate the various piece in assurance or movement images.
Summary of the invention
The problem that the present invention solves is that existing display device simultaneously cannot show image with indefinite scale and maximum ratio chi simultaneously, is inconvenient to hold or various piece in more same image.
For solving the problem, the invention provides a kind of display packing, comprising: the engineer's scale extracting target in the first viewing area in the geographic position of target and screen; Comprise the first map of target in the first viewing area display with described engineer's scale; With the first map for base map, in screen, the second viewing area comprises the second map of target with maximum ratio chi Overlapping display, and wherein said first viewing area is greater than the second viewing area.
Optionally, the geographic position of described target is located by GPS or user inputs extraction.
Optionally, described second map Transparence Display is on the first map.
Optionally, described first viewing area and the second viewing area 2 dimensional region all for being made up of horizontal ordinate and ordinate, the geographic position of described target is true origin at the coordinate of the first viewing area and the second viewing area.
Optionally, described display packing also comprises: when clicking described screen, determines the coordinate of click location in screen; Judge the ordinate of the horizontal ordinate of click location and the maximum horizontal ordinate of the second viewing area and minimum horizontal ordinate and click location and the magnitude relationship between the maximum ordinate of the second viewing area and minimum ordinate; According to judged result, determine that click location is in the first viewing area not comprising the second viewing area or in the second viewing area; Corresponding different click location, full screen display first map or the second map on screen.
When the horizontal ordinate of click location is greater than the minimum horizontal ordinate of the second viewing area, is less than the maximum horizontal ordinate of the second viewing area, and the ordinate of click location is greater than the minimum ordinate of the second viewing area, is less than the maximum transverse and longitudinal coordinate time of the second viewing area, with maximum ratio chi full screen display second map on screen.When the horizontal ordinate of click location is greater than the maximum horizontal ordinate of the second viewing area, the horizontal ordinate of the maximum horizontal ordinate or user's click location that are less than the first viewing area is less than the minimum horizontal ordinate of the second viewing area, be greater than the minimum horizontal ordinate of the first viewing area, and the ordinate of click location is greater than the maximum ordinate of the second viewing area, the horizontal ordinate of the maximum ordinate or user's click location that are less than the first viewing area is less than the minimum ordinate of the second viewing area, when being greater than the minimum ordinate of the first viewing area, with engineer's scale full screen display first map of target on screen.
Accordingly, present invention also offers a kind of display device, comprising: map data base, in order to preserve the map datum of different scale; Extraction unit, in order to the engineer's scale in the geographic position and target of extracting target; Display processing unit, is connected with described map data base and extraction unit, in order to extract the second map under the first map respectively under the engineer's scale of target of the geographic position of target and maximum ratio chi from map data base; Display unit, is connected with display processing unit, and in order to show the stacking diagram of the first map and the second map, wherein said stacking diagram is with the first map for screen base-map, and described second map Overlapping display is on the first map, and the second map is less than the first map.
Optionally, described second map Transparence Display is on the first map, described first map and the second map show in the first viewing area and the second viewing area respectively in display unit, described first viewing area and the second viewing area 2 dimensional region all for being made up of horizontal ordinate and ordinate, the coordinate of geographic position in the first viewing area and the second viewing area of described target is true origin.
Optionally, described display device also comprises: trigger element, determines click location in order to receive user's click; Computing unit, is connected with trigger element, receives trigger element and triggers and calculate click position coordinates; Judging unit, is connected with described computing unit and display processing unit, based on the map of full screen display in click location coordinate determination display unit.
Optionally, comprise during described display device full screen display map: judge magnitude relationship between the maximum horizontal ordinate of horizontal ordinate and the second viewing area of click location and minimum horizontal ordinate and the ordinate of click location and the magnitude relationship between the second viewing area maximum ordinate and minimum ordinate by judging unit; According to judged result, judging unit determination click location is in the first viewing area not comprising the second viewing area or in the second viewing area; Corresponding different click location, judging unit determines that the map of full screen display on screen is the first map or the second map; Display processing unit extracts the first map or the second map; The first map that display unit full screen display obtains from display processing unit or the second map.
Optionally, when the horizontal ordinate of click location is greater than the minimum horizontal ordinate of the second viewing area, is less than the maximum horizontal ordinate of the second viewing area, and the ordinate of click location is greater than the minimum ordinate of the second viewing area, is less than the maximum transverse and longitudinal coordinate time of the second viewing area, full screen display second map on described display screen, comprising: judging unit is determined on screen with maximum ratio chi full screen display second map; Display processing unit extracts the second map of maximum ratio chi; Display unit is full screen display second map on screen.
Optionally, the minimum horizontal ordinate that the horizontal ordinate of maximum horizontal ordinate or user's click location that the maximum horizontal ordinate being greater than the second viewing area when the horizontal ordinate of click location is less than the first viewing area is less than the second viewing area is greater than the minimum horizontal ordinate of the first viewing area, and the minimum ordinate that the ordinate of the maximum ordinate that the ordinate of click location is greater than the second viewing area maximum ordinate or user's click location that are less than the first viewing area is less than the second viewing area is when being greater than the minimum ordinate of the first map, full screen display first map on described display screen, comprise: judging unit is determined on screen with engineer's scale full screen display first map of target, display processing unit extracts the first map of the engineer's scale of target, display unit is full screen display first map on screen.
Compared with prior art, the present invention has the following advantages: the present invention is by image display process, image is simultaneously displayed in display device with indefinite scale and maximum ratio chi, meet the demand that user checks image overall information and local details simultaneously, and in image display process, image arbitrarily can switch between indefinite scale, maximum ratio chi and indefinite scale and maximum ratio chi are in conjunction with three kinds of display packings, meet user different check demand.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of display packing of the present invention.
Fig. 2 is the schematic diagram of the screen of navigation map of the present invention when showing with the engineer's scale of target.
Fig. 3 is the schematic diagram of navigation map of the present invention screen when simultaneously showing with the engineer's scale of target and maximum ratio chi.
Fig. 4 is the schematic diagram of navigation map of the present invention screen when showing with maximum ratio chi.
Fig. 5 is the schematic diagram of a display device of the present invention embodiment.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, therefore the present invention is not by the restriction of following public specific embodiment.
Just as described in the background section, existing display packing and display device cannot make same image in varing proportions chi represent simultaneously, the details that user sees the global information of image and the periphery of a certain position simultaneously can not be met, user is caused to need continuous scaling pictures, complex operation checking in picture process.
Based on this, the present inventor provides a kind of display packing, display device.
With reference to figure 1, show display packing provided by the invention, comprising:
Perform step S1, extract the engineer's scale of target in the first viewing area in the geographic position of target and screen;
Perform step S2, comprise the first map of target with the engineer's scale of described target in the first viewing area display;
Perform step S3, with the first map for base map, in screen, the second viewing area comprises the second map of target with maximum ratio chi Overlapping display, and wherein said first viewing area is greater than the second viewing area.
Same image shows with different engineer's scales by the display image utilizing above-mentioned display method to obtain simultaneously, thus avoid a series of troublesome operation of needing in frequent changes image scale process, meet the demand that user checks image overall information and local details simultaneously.
In the present embodiment, to show map in automobile navigation process so that display packing of the present invention to be described.In step S1, the geographic position of described target is the geographic position that the current location of vehicle or user wish place of arrival, and the geographic position of described target is located by GPS or user inputs extraction.Described navigation map shows in the first viewing area in vehicle interior navigation device screen, and engineer's scale when navigation map shows in the first viewing area in screen can be set by user.Then, perform S2 step, comprise the first map of target with the engineer's scale of described target in the first viewing area display.
Concrete, as the current location of vehicle or user wish that the target arrived is " Xining ", the engineer's scale of the target of user's setting is 1: 50000, so, in navigation device screen, the first map A of the first viewing area as shown in Figure 2, and described first viewing area is the 2 dimensional region be made up of horizontal ordinate X and ordinate Y, and the geographic position of described target is at the initial point O of this 2 dimensional region, the coordinate in the geographic position of target is (0,0).
Finally perform S3 step, with the first map A for base map, the second viewing area in vehicle interior navigation device screen comprises the second map B of target " Xining " with maximum ratio chi 1: 500 Overlapping display, as shown in Figure 3.It should be noted that, in various embodiments of the present invention, described maximum ratio chi is the maximum ratio chi of this vehicle navigation apparatus show navigator map, the 2 dimensional region of described second viewing area also for being made up of horizontal ordinate X and ordinate Y, the geographic position of described target is at the initial point O of this 2 dimensional region, the coordinate in the geographic position of target is (0,0).But described second viewing area is less than the first viewing area, i.e. X
3< X
1, X
4> X
2, Y
3< Y
1, Y
4> Y
2, wherein, X
1, X
3be respectively the maximum horizontal ordinate of the first viewing area and the second viewing area, X
2, X
4be respectively the minimum horizontal ordinate of the first viewing area and the second viewing area, Y
1, Y
3be respectively the maximum ordinate of the first viewing area and the second viewing area, Y
2, Y
4be respectively the minimum ordinate of the first viewing area and the second viewing area, in figure, the center of black bars is the intersection point of the first viewing area or the second viewing area and coordinate axis.
In addition, it is emphasized that, in figure 3, the second map B in second viewing area covers on the first map A in the first viewing area, cannot see in the first map A by the region of the second map B covering, in the screen of the vehicle interior guider of reality, on the first map A of the second map B Transparence Display in described second viewing area in the first viewing area, user can see through the second map B see in the first map A by second map B cover region, thus meet the navigation needs that user sees the details of the global information of navigation map and the periphery of a certain position simultaneously.
When the navigation map in the screen in guider in vehicle as shown in Figure 3 time, click a certain position in screen, the navigation map in Fig. 3 can be made to switch to the engineer's scale 1: 50000 of the target of user's setting or with the navigation map of maximum ratio chi 1: 500 display.
When in the first viewing area do not covered by the second viewing area that the coordinate (X, Y) of click location falls in figure 3, namely the coordinate (X, Y) of click location meets X
3< X < X
1, X
2< X < X
4, and Y
3< Y < Y
1, Y
2< Y < Y
4time, the navigation map of engineer's scale 1: 50000 display of the target that the navigation map in Fig. 3 switches to Fig. 2 to set with user.Such as, as when user's click location is Urumchi in Fig. 3, the navigation map in screen switches to Fig. 2 by Fig. 3, geography information on a large scale around the geographic position that user can understand target by Fig. 2.When in the second viewing area that the coordinate (X, Y) of click location falls in figure 3, namely the coordinate (X, Y) of click location meets X
4< X < X
3, Y
4< Y < Y
3time, the navigation map that the navigation map in Fig. 3 switches to Fig. 4 to show with maximum ratio chi 1: 500.During as being the bridge village in Fig. 3 when user's click location, navigation map in screen switches to Fig. 4 by Fig. 3, now, can facilitate, clearly see the information of highway in navigation map around target or buildings, be beneficial to the geography information of the geographic vicinity of the detailed understanding target of user.
This display packing is by image display process, image is simultaneously displayed in display device with indefinite scale and maximum ratio chi, meet the demand that user checks image overall information and local details simultaneously, and in image display process, image arbitrarily can switch between three kinds of display packings with indefinite scale, maximum ratio chi and indefinite scale and maximum ratio chi simultaneously, meet user different check demand.
Accordingly, the present invention also provides a kind of display device, please refer to Fig. 5.For the display device of the map in automobile navigation apparatus, Fig. 5 is the schematic diagram of a display device of the present invention embodiment, comprising: map data base 10, extraction unit 20, display processing unit 30 and display unit 40, wherein,
Map data base 10, in order to preserve the map datum of different scale.
Extraction unit 20, in order to the engineer's scale in the geographic position and target of extracting target.
Display processing unit 30, is connected with described map data base 10 and extraction unit 20, in order to extract first map, second map of geographic position respectively under the engineer's scale, maximum ratio chi of target of target from map data base 10.
Display unit 40, is connected with display processing unit 30, and in order to show the stacking diagram of the first map and the second map, wherein said stacking diagram is with the first map for screen base-map, and described second map Overlapping display is on the first map, and the second map is less than the first map.
In the particular embodiment, the geographic position of the target that described extraction unit 20 extracts is the geographic position that the current geographic position of vehicle or user wish to arrive, and the geographic position of described target is located by GPS or user inputs extraction.The engineer's scale of the target that described extraction unit 20 extracts is the engineer's scale of user's map when expecting to check navigation map in a display device, and the engineer's scale of described target is arranged in extraction unit 20 by user.In the present embodiment, the geographic position of described target is " Xining ", and the engineer's scale of described target is 1: 50000.
Described extraction unit 20 sends to the engineer's scale of target the display processing unit 30 be connected with extraction unit 20 by extracting the geographic position of target obtained.Described display processing unit 30 extracts the first map A (as Fig. 2) of geographic position respectively under the engineer's scale, maximum ratio chi of target, the second map B (as Fig. 4) of target by the map data base 10 be attached thereto.Described maximum ratio chi is the maximum map of display device map data base 10 medium scale, and in the present embodiment, described maximum ratio chi is 1: 500.
Described display unit 40, be connected with display processing unit 30, in order to show the stacking diagram (as Fig. 3) of the first map and the second map, wherein said stacking diagram with the first map A for screen base-map, described second map B Overlapping display is on the first map A, and the second map B is less than the first map A.
It should be noted that, in the first viewing area that the first map A in Fig. 3 and the second map B is presented at display unit 40 respectively and the second viewing area.Described first viewing area and the second viewing area 2 dimensional region all for being made up of horizontal ordinate X and ordinate Y, the position of geographic position in the first viewing area and the second viewing area of described target is true origin O, the coordinate in the geographic position of target is (0,0).But described second viewing area is less than the first viewing area, i.e. X
3< X
1, X
4> X
2, Y
3< Y
1, Y
4> Y
2, wherein, X
1, X
3be respectively the maximum horizontal ordinate of the first viewing area and the second viewing area, X
2, X
4be respectively the minimum horizontal ordinate of the first viewing area and the second viewing area, Y
1, Y
3be respectively the maximum ordinate of the first viewing area and the second viewing area, Y
2, Y
4be respectively the minimum ordinate of the first viewing area and the second viewing area.
In addition, in figure 3, the second map B in the second viewing area covers on the first map A in the first viewing area, cannot see in the first map A by the region of the second map B covering.In the vehicle interior guider of reality, when display unit 40 shows the navigation map comprising the first map and the second map simultaneously, described display processing unit 30 carries out background transparent process to the second extracted map B.In the second viewing area of display unit 40, on the first map A of the second map B Transparence Display in the first viewing area, user can see by the region that the second map B covers in the first map A through the second map B of background transparent, thus meets the navigation needs that user sees the details of the global information of navigation map and the periphery of a certain position simultaneously.
Described display device also comprises trigger element 50, computing unit 60 and judging unit 70, wherein,
Trigger element 50, determines click location in order to receive user's click.
Computing unit 60, is connected with trigger element 50, receives trigger element 50 and triggers, and calculates click position coordinates.
Judging unit 70, is connected with described computing unit 60 and display unit 40, based on the map of full screen display in click location coordinate determination display unit.
In the particular embodiment, trigger element 50 receives user and clicks, and determines the click location of user.After trigger element 50 receives user's click, the computing unit 60 be connected with trigger element 50 is triggered and starts, and carries out calculating the coordinate (X, Y) of click location in display unit 40.Described judging unit 70 judges the navigation map of full screen display in display unit 40 according to the click location coordinate (X, Y) that the computing unit 60 be attached thereto calculates.
In the particular embodiment, comprise when described judging unit 70 determines the navigation map of full screen display in display unit 40: the horizontal ordinate X and the maximum horizontal ordinate X in the second viewing area that judge click location
3with minimum horizontal ordinate X
4between magnitude relationship and the ordinate Y of click location and the second viewing area maximum ordinate Y
3with minimum ordinate Y
4between magnitude relationship; According to judged result, determine that click location coordinate (X, Y) is in the first viewing area not comprising the second viewing area or in the second viewing area; Corresponding different click location, the corresponding first map A or the second map B of full screen display on screen.
In the particular embodiment, when in the first viewing area do not covered by the second viewing area that the coordinate (X, Y) of click location falls in figure 3, namely the coordinate (X, Y) of click location meets X
3< X < X
1, X
2< X < X
4, and Y
3< Y < Y
1, Y
2< Y < Y
4time, the navigation map of engineer's scale 1: 50000 display of the target that the navigation map in display unit 40 switches to Fig. 2 to set with user by Fig. 3.Such as, when user's click location is Urumchi in Fig. 3, determine that the navigation map of full screen display in display unit 40 is the first map A by judging unit 70.The display processing unit 30 be connected with judging unit 70 extracts the first map A of the engineer's scale of target, then by the display unit 40 full screen display first map A be connected with display processing unit 30, namely the navigation map in display unit 40 switches to Fig. 2 by Fig. 3, geography information in a big way around the geographic position that user can understand target by Fig. 2.
When in the second viewing area that the coordinate (X, Y) of click location falls in figure 3, namely the coordinate (X, Y) of click location meets X
4< X < X
3, Y
4< Y < Y
3time, the navigation map that the navigation map in Fig. 3 switches to Fig. 4 to show with maximum ratio chi 1: 500.During as being the bridge village in Fig. 3 when user's click location, determine that the navigation map of full screen display in display unit 40 is the second map B by judging unit 70.The display processing unit 30 be connected with judging unit 70 extracts the second map B of maximum ratio chi, and then by the display unit 40 full screen display second map B be connected with display processing unit 30, the navigation map namely in screen switches to Fig. 4 by Fig. 3.Now, user can facilitate, clearly see and the information of highway in navigation map around target or buildings be beneficial to the geography information of the geographic vicinity understanding target in detail.
Image, in image display process, is simultaneously displayed in display device with indefinite scale and maximum ratio chi by this display device, meets the demand that user checks image overall information and local details simultaneously.
Compared with prior art, shown image shows with indefinite scale and maximum ratio chi by display packing of the present invention and display device corresponding with it simultaneously, meets the demand that user checks image overall information and local details simultaneously.In addition, the image shown by the display device of described display packing or correspondence at indefinite scale, maximum ratio chi and arbitrarily can switch between three kinds of display packings with indefinite scale and maximum ratio chi simultaneously, meet user different check demand.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (7)
1. a display packing, is characterized in that, comprising:
Extract the engineer's scale of target in the first viewing area in the geographic position of target and screen;
Comprise the first map of target in the first viewing area display with the engineer's scale of described target;
With the first map for base map, in screen, the second viewing area comprises the second map of target with maximum ratio chi Overlapping display, and wherein said first viewing area is greater than the second viewing area;
Described first viewing area and the second viewing area 2 dimensional region all for being made up of horizontal ordinate and ordinate, the geographic position of described target is true origin at the coordinate of the first viewing area and the second viewing area;
Click described screen, determine the coordinate of click location in screen; Judge the ordinate of the horizontal ordinate of click location and the maximum horizontal ordinate of the second viewing area and minimum horizontal ordinate and click location and the magnitude relationship between the maximum ordinate of the second viewing area and minimum ordinate; According to judged result, determine that click location is in the first viewing area not comprising the second viewing area or in the second viewing area; Corresponding different click location, full screen display first map or the second map on screen;
When the horizontal ordinate of click location is greater than the minimum horizontal ordinate of the second viewing area, is less than the maximum horizontal ordinate of the second viewing area, and the ordinate of click location is greater than the minimum ordinate of the second viewing area, is less than the maximum transverse and longitudinal coordinate time of the second viewing area, with maximum ratio chi full screen display second map on screen.
2. display packing as claimed in claim 1, it is characterized in that, the geographic position of described target is located by GPS or user inputs extraction.
3. display packing as claimed in claim 1, it is characterized in that, described second map Transparence Display is on the first map.
4. display packing as claimed in claim 1, it is characterized in that, when the horizontal ordinate of click location is greater than the maximum horizontal ordinate of the second viewing area, the horizontal ordinate of the maximum horizontal ordinate or user's click location that are less than the first viewing area is less than the minimum horizontal ordinate of the second viewing area, be greater than the minimum horizontal ordinate of the first viewing area, and the ordinate of click location is greater than the maximum ordinate of the second viewing area, the horizontal ordinate of the maximum ordinate or user's click location that are less than the first viewing area is less than the minimum ordinate of the second viewing area, when being greater than the minimum ordinate of the first viewing area, with engineer's scale full screen display first map of target on screen.
5. a display device, is characterized in that, comprising:
Map data base, in order to preserve the map datum of different scale;
Extraction unit, in order to the engineer's scale in the geographic position and target of extracting target;
Display processing unit, is connected with described map data base and extraction unit, in order to extract first map of geographic position respectively under the engineer's scale of target, second map under maximum ratio chi of target from map data base;
Display unit, be connected with display processing unit, in order to show the stacking diagram of the first map and the second map, wherein said stacking diagram with the first map for screen base-map, described second map Overlapping display is on the first map, and the second map is less than the first map, described first map and the second map show in the first viewing area and the second viewing area respectively in display unit, described first viewing area and the second viewing area 2 dimensional region all for being made up of horizontal ordinate and ordinate, the coordinate of geographic position in the first viewing area and the second viewing area of described target is true origin,
Trigger element, determines click location in order to receive user's click; Computing unit, is connected with trigger element, receives trigger element and triggers and calculate click position coordinates; Judging unit, is connected with described computing unit and display processing unit, based on the map of full screen display in click location coordinate determination display unit;
Comprise during described display device full screen display map: judge magnitude relationship between the maximum horizontal ordinate of horizontal ordinate and the second viewing area of click location and minimum horizontal ordinate and the ordinate of click location and the magnitude relationship between the second viewing area maximum ordinate and minimum ordinate by judging unit; According to judged result, judging unit determination click location is in the first viewing area not comprising the second viewing area or in the second viewing area; Corresponding different click location, judging unit determines that the map of full screen display on screen is the first map or the second map; Display processing unit extracts the first map or the second map; The first map that display unit full screen display obtains from display processing unit or the second map; When the horizontal ordinate of click location is greater than the minimum horizontal ordinate of the second viewing area, is less than the maximum horizontal ordinate of the second viewing area, and the ordinate of click location is greater than the minimum ordinate of the second viewing area, is less than the maximum transverse and longitudinal coordinate time of the second viewing area, full screen display second map on described display screen, comprising: judging unit is determined on screen with maximum ratio chi full screen display second map; Display processing unit extracts the second map of maximum ratio chi; Display unit is full screen display second map on screen.
6. display device as claimed in claim 5, it is characterized in that, described second map Transparence Display is on the first map.
7. display device as claimed in claim 5, it is characterized in that, the minimum horizontal ordinate that the horizontal ordinate of maximum horizontal ordinate or user's click location that the maximum horizontal ordinate being greater than the second viewing area when the horizontal ordinate of click location is less than the first viewing area is less than the second viewing area is greater than the minimum horizontal ordinate of the first viewing area, and the minimum ordinate that the ordinate of the maximum ordinate that the ordinate of click location is greater than the second viewing area maximum ordinate or user's click location that are less than the first viewing area is less than the second viewing area is when being greater than the minimum ordinate of the first map, full screen display first map on described display screen, comprise: judging unit is determined on screen with engineer's scale full screen display first map of target, display processing unit extracts the first map of the engineer's scale of target, display unit is full screen display first map on screen.
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| CN104900049B (en) * | 2015-04-17 | 2017-10-31 | 胥达 | A kind of risk is hired a car or private car, the method that hitches |
| CN105243119B (en) * | 2015-09-29 | 2019-05-24 | 百度在线网络技术（北京）有限公司 | Determine region to be superimposed, superimposed image, image presentation method and the device of image |
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