CN102467342B - Method for displaying electronic map on multitouch screen - Google Patents
Method for displaying electronic map on multitouch screen Download PDFInfo
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- CN102467342B CN102467342B CN2011101188279A CN201110118827A CN102467342B CN 102467342 B CN102467342 B CN 102467342B CN 2011101188279 A CN2011101188279 A CN 2011101188279A CN 201110118827 A CN201110118827 A CN 201110118827A CN 102467342 B CN102467342 B CN 102467342B
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Abstract
The invention provides a method for displaying an electronic map on a multitouch screen, comprising the following steps: firstly, ensuring touch point sliding directions based on a plurality of pairs of first position pair information sequentially outputted by the multitouch screen, and ensuring a preset display area in the display area of the multitouch screen; processing the map image displayed in the rest display area except the preset display area of the multitouch screen display area to obtain an intermediate image to be displayed; then, obtaining the corresponding map image from the electronic map based on the ensured touch point sliding directions, the preset display area dimensions, the display area dimensions corresponding to the intermediate image and the display dimensions of the display area of the multitouch screen so as to form one screen image with the map image displayed by the preset display area and the intermediate image to be displayed on the multitouch screen. The method for displaying the electronic map on the multitouch screen has an advantage that two places which originally can not be displayed on the same screen can be displayed on the same screen image without changing the scale of the electronic map.
Description
Technical field
The invention belongs to the multi-point touch panel field, relate in particular to a kind of method that presents electronic chart at multi-point touch panel.
Background technology
The purpose that the user browses the shown electronic chart of multi-point touch panel usually is to wish from this electronic chart the route information between a plurality of places of inquiry etc., for example, needs the route information between the current position of inquiry self and certain restaurant; Again for example, need inquiry from the route information etc. of driving in city to another city.In order to realize this purpose, the user is amplified to certain proportion by the slide at the multiple point touching screen surfaces with electronic chart first, inquire first place by the towing electronic chart subsequently, if need second place of inquiry not in current shown map area, then the user inquires second place by the towing electronic chart again, because first place and second place can not show in same screen image simultaneously, therefore, when the user inquires second place, first disappears at the shown image of display screen again, and the user also can't know the relative position of first place of memory and second intersite in the repeatedly towing to electronic chart, for this reason, this user often needs again spended time again to inquire first place again, inquiry job like this, for the user, very inconvenience seems.
Therefore, how to improve the mode that shows electronic chart, with user friendly inquiry job, having become those skilled in the art needs the technical solution problem.
Summary of the invention
The object of the present invention is to provide a kind of method that presents electronic chart at multi-point touch panel.
Reach in order to achieve the above object other purposes, the invention provides a kind of method that presents electronic chart at multi-point touch panel, wherein, the position that output was made of the positional information of these two contacts at least when multi-point touch panel had at least two contacts on the surface is to information, and the method comprising the steps of:
A has shown the segment map image of electronic chart when multi-point touch panel, many primary importance is all comprised same primary importance information to every a pair of in the information and also comprises all different positional informations of a positional information that information is comprised from other position based on what described multi-point touch panel was sequentially exported, determine the direction of sliding in the contact, and in the viewing area of described multi-point touch panel, determine one and comprise this same primary importance information in interior predetermined display area;
B is processed the shown map image in residue viewing area except this predetermined display area in the viewing area of described multi-point touch panel, to obtain intermediate image to be shown, the size of the viewing area that wherein, described intermediate image is corresponding is less than the size of described residue viewing area; And
The display size of the viewing area of the direction that c moves based on the determined contact of step a, the size of predetermined display area, the corresponding display area size of intermediate image and described multi-point touch panel, by the map image that obtains appropriate section in the electronic chart, so that map image and the intermediate image shown with described predetermined display area consist of a screen image, be presented on the described multi-point touch panel, and described intermediate image is presented between the shown map image of described predetermined display area and the map image by the appropriate section of obtaining in the electronic chart.
In sum, the method of electronic chart that presents at multi-point touch panel of the present invention is when carrying out drag operation based on the user to shown electronic chart, only the part in the shown map image is changed to new map image, and the parts of images that will comprise the place that the user inquires is kept, thus, can be under the prerequisite of the ratio that does not change electronic chart, two places that the user will be inquired about and can not Display on the same screen are presented in the same screen image.
Description of drawings
Fig. 1 is the process flow diagram that presents the method for electronic chart at multi-point touch panel of the present invention;
Fig. 2 is the synoptic diagram of the segment map image of the shown electronic chart of multi-point touch panel;
Fig. 3 is the contact position synoptic diagram of multiple point touching screen surfaces;
Fig. 4 is that multi-point touch panel shows the display effect synoptic diagram with intermediate image;
Fig. 5 is the display effect synoptic diagram that multi-point touch panel shows two places that comprise user's inquiry.
Embodiment
Come the method that presents electronic chart at multi-point touch panel of the present invention is described in detail below with reference to accompanying drawing.
Need to prove, it should be appreciated by those skilled in the art that for multi-point touch panel that the position that output was made of the positional information of these two contacts at least when it had at least two contacts on the surface is to information.
See also Fig. 1, it is the process flow diagram that presents the method for electronic chart at multi-point touch panel of the present invention.Wherein, the method according to this invention is mainly finished by the operating system in the computer equipment or processing controller, for simplicity's sake, below described operating system or processing controller is referred to as the electronic chart disposal system.
In step S1, when multi-point touch panel has shown the subregional map image in electronic chart middle part, described electronic chart disposal system all comprises same primary importance information to every a pair of in the information and also comprises all different positional informations of a positional information that information is comprised from other position primary importance based on the many of described multi-point touch panel output, determine the direction of sliding in the contact, and in the viewing area of described multi-point touch panel, determine one and comprise this same primary importance information in interior predetermined display area.
As shown in Figures 2 and 3, when multi-point touch panel 1 shows the segment map image of electronic chart 2, the user inquires place XX in this shown segment map image, so, this user's point touches the position that shows this place XX at this multi-point touch panel 1, thereby form contact a at this multi-point touch panel 1, subsequently, this user continues to browse shown map image, but and fail therefrom to inquire another place YY, so this user touches in a of this contact at point, again with the surface sliding of another finger at this multi-point touch panel 1, for example, by contact b along linear slide to contact b ", thus, this multi-point touch panel 1 is sequentially exported the position that is made of contact a and the positional information that is in each contact on the straight line to information.For example, the positional information of contact a is (Xa, Ya), the positional information of contact b is (Xb, Yb), the positional information of contact b ' be (Xb ', Yb '), the positional information of contact b ' ' is (Xb ", Yb "), then when the user touches at contact a and contact b with time point, the position that 1 output of this multi-point touch panel is made of the positional information of contact a and contact b is to information: { (Xa, Ya), (Xb, Yb) }, then, when user point touches at contact a, when another point touches finger sliding at contact b to contact b ', then this multi-point touch panel 1 then output by the position of the positional information formation of contact a and contact b ' to information: { (Xa, Ya), and (Xb ', Yb ') }, then, the finger that touches at contact b ' when user point continues to slide into contact b " time, then this multi-point touch panel 1 is then exported by contact a and contact b again " the position of positional information formation to information: { (Xa, Ya), (Xb ", Yb ").Need to prove, those skilled in the art should understand that, when this user's finger slides into contact b on the surface of this multi-point touch panel 1 by contact b " process; this multi-point touch panel 1 sequentially export many to the position to information; the position of its output is determined according to its processing power the total amount of information; for example: if the speed of this multi-point touch panel 1 deal with data is fast; then the position of its output is many to the quantity of information; if the speed of this multi-point touch panel 1 deal with data is slow, then the position of its output is few to the quantity of information.In addition, for contact a and user finger being shown more clearly in the slip on multi-point touch panel 1 surface, in the multi-point touch panel 1 shown in Figure 3, and not shown shown map image, chatted bright at this.
Thus, described electronic chart disposal system based on this multi-point touch panel 1 sequentially export many to primary importance to information: { (Xa, Ya), (Xb, Yb) }, { (Xa, Ya), (Xb ', Yb ') }, { (Xa, Ya), (Xb ", Yb ") } in every a pair ofly all comprise same primary importance information: (Xa, Ya)), and also comprise all different positional informations of a positional information that information is comprised from other position, determine the direction of sliding in the contact, for example, be level direction left, and in the viewing area of described multi-point touch panel 1, determine one and comprise this same primary importance information (Xa, Ya)) in interior predetermined display area.
Wherein, described electronic chart disposal system determines that the mode of predetermined display area includes but not limited to:
1) with the little person in the viewing area between the first row of this primary importance information column and this display screen and last row as predetermined display area.For example, this primary importance information is in the 2nd row of this display screen, this display screen has 20 row, the viewing area that then is between the 1st row of this primary importance information and this display screen of the 2nd row of this display screen only has 2 to be listed as, and there are 18 row the viewing area that is between the 2nd this primary importance information that is listed as of this display screen and last row of this display screen (i.e. the 20th row), thus, described electronic chart disposal system with the first row of display screen and secondary series as predetermined display area.
2) this primary importance information be expert at and the first row of this display screen and the little person in the viewing area between last column as predetermined display area.
Need to prove, those skilled in the art should understand that, the mode of above-mentioned definite predetermined display area only just lists, but not limitation of the invention, in fact, anyly in the viewing area of multi-point touch panel, determine a mode that comprises the predetermined display area of primary importance information, for example, the viewing area of the preliminary dimension take primary importance information as starting point all should be within the scope of the present invention as predetermined display area etc.
Then, in step S2, described electronic chart disposal system is processed the shown map image in residue viewing area except this predetermined display area in the viewing area of described multi-point touch panel, to obtain intermediate image to be shown, the size of the viewing area that wherein, described intermediate image is corresponding is less than the size of described residue viewing area.
For example, in step S1, described electronic chart disposal system determines that the 1st to 10 of described display screen classifies predetermined display area as, and then described electronic chart disposal system is processed the 11st of described display screen to the shown map image of last row, to obtain intermediate image to be shown.
Wherein, described electronic chart disposal system processing mode that the shown map image in described residue viewing area is processed to obtain intermediate image to be shown includes but not limited to:
1) the shown map image in described residue viewing area is processed into predetermined image.For example, being listed as altogether to last the 11st of described display screen, the shown map images in residue viewing area of 40 row are processed into the grey bar that only occupies display screen 3 row.
2) the shown map image in described residue viewing area is compressed processing to obtain intermediate image to be shown.Wherein, the compress mode of described electronic chart disposal system employing includes but not limited to:
I) directly obtain intermediate image to be shown by the shown map image Extraction parts map image in described residue viewing area, for example, described residue viewing area comprise multi-point touch panel the viewing area the 5th walk to the 30th row, then described electronic chart disposal system the 10th row, the 15th row and the shown map image of the 20th row that extract the viewing area that is presented at multi-point touch panel is used as intermediate image to be shown.
Ii) adopting predetermined compression algorithm that the map image that is presented at described residue viewing area is compressed processes to obtain intermediate image to be shown.For example, the map image that adopts predetermined compression algorithm will be presented at described residue viewing area is compressed into the map image with folding effect.
Need to prove, those skilled in the art should understand that, only just list shown in above-mentioned, but not limitation of the invention, in fact, any map image that will be presented at described residue viewing area is processed to obtain intermediate image to be shown, and the size of viewing area corresponding to this intermediate image is less than the mode of the size of described residue viewing area, all should be within the scope of the present invention.
Then, in step S3, the direction that described electronic chart disposal system moves based on the determined contact of step S1, the size of predetermined display area, the corresponding display area size of intermediate image, the display size of the viewing area of described multi-point touch panel and current shown map image, by the map image that obtains appropriate section in the electronic chart, so that map image and the intermediate image shown with described predetermined display area consist of a screen image, be presented on the described display screen, and make described intermediate image be presented at the shown map image of described predetermined display area and by between the map image that obtains appropriate section in the electronic chart.
For example, described electronic chart disposal system determines that the viewing area of described multi-point touch panel is of a size of 30*50; The direction that move the contact that described electronic chart disposal system is determined in step S1 is level direction left, predetermined display area be described multi-point touch panel the viewing area the 1st row to the 10th row, then described electronic chart disposal system determines that based on the size of the viewing area of described multi-point touch panel this predetermined display area is of a size of 30*10; The intermediate image that described electronic chart disposal system obtains in step S2 is the grey bar that occupies viewing area 3 row of described multi-point touch panel, accordingly, described electronic chart disposal system determines that based on the size of the viewing area of described multi-point touch panel the corresponding display area size of this intermediate image is 30*3, thus, described electronic chart disposal system is obtained in the map image of right by the level that is in current shown map image in the electronic chart and is of a size of: the map image of the corresponding display area size=30*50-30*10-30*3=30*37 of size-intermediate image of the size-predetermined display area of the viewing area of described multi-point touch panel, so that map image and intermediate image common formation one screen image shown with described predetermined display area are presented on the described multi-point touch panel.
As shown in Figure 2, described electronic chart disposal system is map image in the dotted line frame 3 by obtaining the level that is in current shown map image in the electronic chart to right and the map image that is of a size of 30*37, thus, after the map image that map image in this dotted line frame 3 and described predetermined display area is shown and intermediate image consist of a screen image, be presented on the described multi-point touch panel 1.As shown in Figure 4, it is the shown synoptic diagram that comprises intermediate image of multi-point touch panel 1.Wherein, the row of the 1st in the viewing area of described multi-point touch panel 1 are to the 10th row, and namely the dotted line frame 11, are predetermined display area, comprise the place that the user inquires in the map image of demonstration, for example, and place XX; In the viewing area of described multi-point touch panel 1 the 11st row are to the 13rd row, and namely the dotted line frame 12, shown intermediate image, and this intermediate image is for having the map image of folding effect after processing through overcompression; In the viewing area of described multi-point touch panel 1 the 14th row are to the 50th row, and namely the dotted line frame 13, shown the map image of aforementioned 30*37 by obtaining in the electronic chart.
In addition, as a kind of optimal way, method of the present invention also comprises step S4 (not giving diagram) and S5 (not giving diagram).
In step S4, after described multi-point touch panel shows all images that comprises intermediate image as shown in Figure 4, after the user browses the shown image that comprises intermediate image of described multi-point touch panel, still fail to inquire its needed place YY, then the user continues to slide in described touch screen surface with finger, thus, described multi-point touch panel is a plurality of positional informations of continuous wave output again, described electronic chart disposal system is based on a plurality of positional informations of described multi-point touch panel continuous wave output, determine the direction that move the contact, and the current map image that is presented at described residue viewing area processed to obtain intermediate image, and determine the size of the viewing area that the intermediate image of the current demonstration of described multi-point touch panel is occupied.
For example, described electronic chart disposal system determines that based on a plurality of positional informations of described multi-point touch panel continuous wave output the direction that moves the contact is direction vertically upward, and determine that the 1st row in the viewing area of described multi-point touch panel classify predetermined display area as to the 10th, the viewing area of multi-point touch panel is of a size of 40*50, then described electronic chart disposal system determines that the residue viewing area is that the 11st row are to the 50th row, and determine that the 11st to 13 row show intermediate image, thus, described electronic chart disposal system determines that the current map image that is presented at described residue viewing area comprises that the row of the 14th in the display screen that is presented at described multi-point touch panel are to the image of 50 row, then described electronic chart disposal system is processed the 14th row to the image of 50 row, in order to obtain again intermediate image.
Then, in step S5, the direction that described electronic chart disposal system moves based on determined contact among the step S4, the corresponding display area size of the intermediate image that obtains among the step S4, the size of determined viewing area among the step S4, the size of predetermined display area, and the size of the viewing area of described multi-point touch panel, by the map image that obtains appropriate section in the electronic chart, so that the map image shown with described predetermined display area, each intermediate image that the intermediate image of current demonstration and step S4 obtain consists of a new screen image, is presented on the described display screen.
For example, described electronic chart disposal system determines that the display screen of described multi-point touch panel is of a size of 40*50, in step S4, described electronic chart disposal system determines that the direction that moves the contact is direction vertically upward, and definite corresponding display area size 40*3 of the current shown intermediate image of described multi-point touch panel, the corresponding display area size of intermediate image that again obtains among the step S4 is 40*2, predetermined display area is of a size of 40*10, then described electronic chart disposal system is in the current vertically upward direction that is presented at the map image of residue viewing area by obtaining in the electronic chart, and the map image of the corresponding display area size=40*50-40*10-40*3-40*2=40*35 of intermediate image that obtains among the occupied display area size of the intermediate image of size-current demonstration of size-predetermined display area of viewing area that is of a size of described multi-point touch panel-step S4, so that the map image shown with described predetermined display area, the intermediate image of current demonstration, reach the new screen image of intermediate image formation that step S4 obtains, be presented on the display screen of described multi-point touch panel.
In addition, if after step S5, still the place YY that does not have the user to inquire about in the shown map image of described multi-point touch panel, then the user continues to carry out slide at described multiple point touching screen surfaces, so that described electronic chart disposal system continues the shown map image in the residue viewing area of described multi-point touch panel is processed, again to obtain intermediate image, and based on determined contact moving direction, the size of the viewing area that the intermediate image of current demonstration is occupied, the size of predetermined display area, the display size of the corresponding display area size of the intermediate image that obtains and described display screen, by the map image that obtains appropriate section in the electronic chart, so that the map image shown with described predetermined display area, the intermediate image of current demonstration, and the intermediate image that obtains again consists of a new screen image, be presented on the display screen of described multi-point touch panel, after described electronic chart disposal system is processed through image repeatedly, described multi-point touch panel is presented at place XX and the place YY that the user inquires about in the same screen image, as shown in Figure 5.
Have, as another optimal way, method of the present invention also comprises step S6 (not giving diagram) and step S7 (not giving diagram) again.
In step S6, after described multi-point touch panel shows intermediate image, after the user browses shown map image, want shown map image is carried out convergent-divergent, then this user points simultaneously at described multi-point touch panel surface sliding with two, thus, described multi-point touch panel export successively many to the second place to information, thus, described electronic chart disposal system based on described multi-point touch panel export successively many to the second place to the distance between every a pair of two positional informations that comprise in the information, electronic chart is being carried out determine a kind of operation in reduction operation and the amplifieroperation, and determining the amplitude of operation.
For example, first second place of described multi-point touch panel output is 0.1 to the distance between the two positions information in the information, second second place of output is 0.08 to the distance between the two positions information in the information, the 3rd second place of output is 0.07 to the distance between the two positions information in the information, last second place of output is 0 to the distance between the two positions information in the information, thus, described electronic chart disposal system distance-based progressively is decreased to 0 by 0.1, determine electronic chart is carried out reduction operation, and the amplitude of definite reduction operation is the maximal value in each distance, namely 0.1.
Those skilled in the art should understand that, only just list shown in above-mentioned, but not limitation of the invention, in fact, any based on described multi-point touch panel export successively many to the second place to the distance between every a pair of two positional informations that comprise in the information, come to determine the mode of the amplitude of operation, for example, with the intermediate value amplitude that is defined as operating in each distance etc., all within the scope of the present invention.
Then, in step S7, described electronic chart disposal system is based on the ratio of the current shown electronic chart of the amplitude of the determined operation of step S6 and operation, described multi-point touch panel and the size that is presented at the occupied viewing area of the map image of residue viewing area of described multi-point touch panel, obtain the map image of appropriate section in the electronic chart by corresponding proportion, in order to replace the current map image that is presented at the residue viewing area of described multi-point touch panel.
For example, the ratio that described electronic chart disposal system is obtained the current shown electronic chart of described multi-point touch panel is 1, in step S6, determine electronic chart is carried out amplifieroperation, and the amplitude of amplifieroperation is 20%, and the occupied viewing area of map image of determining to be presented at the residue viewing area of described multi-point touch panel is of a size of 40*80, then described electronic chart disposal system is corresponding with the current map image that is presented at described residue viewing area by obtaining in the electronic chart of ratio by 1* (1+20%)=1.2, and be of a size of the map image of 40*80, replace the map image in the current residue viewing area that is presented at described multi-point touch panel.
Have, as another optimal way, method of the present invention also comprises step S6 ' (not giving diagram), step S7 ' (not giving diagram) and step S8 (not giving diagram) again.Wherein, step S6 ' is identical with abovementioned steps S6, is contained in by reference this at this, no longer repeats.
Then, in step S7 ', described electronic chart disposal system operates the current shown intermediate image of described multi-point touch panel, to obtain new intermediate image accordingly based on the amplitude of the determined operation of step S6 ' and operation.For example, in step S6 ', described electronic chart disposal system is determined is operating as reduction operation, and the amplitude of reduction operation is 0.1, then described electronic chart disposal system is compressed the current shown intermediate image of described multi-point touch panel with 0.1 ratio, to obtain new intermediate image.In addition, when the current shown intermediate image of described multi-point touch panel is when having the map image of folding effect, the place that described electronic chart disposal system inquires based on the map image with folding effect and user, for example, the far and near proportional gradual change of the distance between the XX of place is dwindled, to obtain new intermediate image.
Then, in step S8, described electronic chart disposal system is based on determined type and the operation amplitude of electronic chart being carried out zoom operations of step S6 ', the size of described residue viewing area, the ratio of the current shown electronic chart of described multi-point touch panel, the size of the new corresponding viewing area of intermediate image and the current map image that is presented at described residue viewing area, obtain the map image of appropriate section in the electronic chart by corresponding proportion, so that map image and the described new intermediate image shown with described predetermined display area consist of a new screen image, be presented on the described multi-point touch panel.
For example, in step S6 ', described electronic chart disposal system is determined is operating as reduction operation, and the amplitude of dwindling is 0.1, and the ratio that obtains the current shown electronic chart of described multi-point touch panel is 2, described residue viewing area is of a size of 60*50, the new corresponding viewing area of intermediate data image that described electronic chart disposal system obtains in step S7 ' is of a size of 60*8, obtain corresponding with the current map image that is presented at described residue viewing area in the electronic chart that then described electronic chart disposal system ratio is 2* (1-0.1)=1.8, and be of a size of: the map image of the size=60*50-60*8=60*42 of the corresponding viewing area of intermediate data image of the size-Xin of described residue viewing area, so that map image and the described new intermediate image shown with described predetermined display area consist of a new screen image, be presented on the described multi-point touch panel.
In sum, of the present inventionly present the method for electronic chart by only the parts of images in the viewing area being replaced by the mode of new map image at multi-point touch panel, under the prerequisite of the ratio that does not change electronic chart, make two places that originally can not in same screen, occur, be shown in the same screen image, improve two the intersite direct feels of user to inquiring about.
Above-described embodiment just lists expressivity principle of the present invention and effect is described, but not is used for restriction the present invention.Any personnel that are familiar with technique all can without departing from the spirit and scope of the present invention, make amendment to above-described embodiment.Therefore, the scope of the present invention should be listed such as claims.
Claims (4)
1. one kind presents the method for electronic chart at multi-point touch panel, and wherein, the position that output was made of the positional information of these two contacts at least when multi-point touch panel had at least two contacts on the surface the method is characterized in that information, comprises step:
A has shown the segment map image of electronic chart when multi-point touch panel, many primary importance is all comprised same primary importance information to every a pair of in the information and also comprises all different positional informations of a positional information that information is comprised from other position based on what described multi-point touch panel was sequentially exported, determine the direction that move the contact, and in the viewing area of described multi-point touch panel, determine one and comprise this same primary importance information in interior predetermined display area;
B is processed the shown map image in residue viewing area except this predetermined display area in the viewing area of described multi-point touch panel, to obtain intermediate image to be shown, the size of the viewing area that wherein, described intermediate image to be shown is corresponding is less than the size of described residue viewing area;
The direction that c moves based on the determined contact of step a, the size of predetermined display area, the display size of the viewing area of the corresponding display area size of intermediate image to be shown and described multi-point touch panel, by the map image that obtains appropriate section in the electronic chart, in order to consist of a screen image with the shown map image of described predetermined display area and intermediate image to be shown, be presented on the described multi-point touch panel, and described intermediate image to be shown is presented between the shown map image of described predetermined display area and the map image by the appropriate section of obtaining in the electronic chart.
2. described method according to claim 1 is characterized in that described method is further comprising the steps of:
D is after described multi-point touch panel shows intermediate image to be shown, a plurality of positional informations of exporting successively based on described multi-point touch panel, determine the direction that move the contact, and the current map image that is presented at described residue viewing area processed to obtain the second intermediate image to be shown, and determine the size of the viewing area that the second intermediate image to be shown of the current demonstration of described multi-point touch panel is occupied;
The direction that e moves based on the determined contact of steps d, the corresponding display area size of intermediate image to be shown that steps d obtains, steps d is determined the size of the viewing area that the second intermediate image to be shown is occupied, the size of predetermined display area, and the display size of the viewing area of described multi-point touch panel, by the map image that obtains appropriate section in the electronic chart, so that the map image shown with described predetermined display area, current shown intermediate image to be shown, and the second intermediate image to be shown that steps d obtains consists of a new screen image, is presented on the described multi-point touch panel.
3. method according to claim 1 and 2 is characterized in that, described method also comprises step:
L1 is after described multi-point touch panel shows intermediate image to be shown, based on described multi-point touch panel export successively many to the second place to the distance between every a pair of two positional informations that comprise in the information, electronic chart is being carried out determine a kind of operation in reduction operation and the amplifieroperation, and determining the amplitude of operation;
L2 is based on the size of the occupied viewing area of the ratio of the current shown electronic chart of the amplitude of the determined operation of step L1 and operation, described multi-point touch panel and the current map image that is presented at described residue viewing area, obtain the map image of appropriate section in the electronic chart by corresponding proportion, in order to replace the current map image that is presented at described residue viewing area.
4. method according to claim 1 and 2 is characterized in that, described method also comprises step:
L1 ' is after described multi-point touch panel shows intermediate image to be shown, based on described multi-point touch panel export successively many to the second place to the distance between every a pair of two positional informations that comprise in the information, electronic chart is being carried out determine a kind of operation in reduction operation and the amplifieroperation, and determining the amplitude of operation;
L2 ' operates the current shown intermediate image to be shown of described multi-point touch panel, to obtain new intermediate image to be shown accordingly based on the amplitude of the determined operation of step L1 ' and operation;
L3 ' is based on size and the current map image that is presented at described residue viewing area of the ratio of the current shown electronic chart of the type of the determined operation of step L1 ' and operation amplitude, the size of described residue viewing area, described multi-point touch panel, the new corresponding viewing area of intermediate image to be shown, obtain the map image of appropriate section in the electronic chart by corresponding proportion, so that map image and the described new to be shown intermediate image shown with described predetermined display area consist of a new screen image, be presented on the described multi-point touch panel.
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| CN2011101188279A CN102467342B (en) | 2011-05-09 | 2011-05-09 | Method for displaying electronic map on multitouch screen |
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| CN2011101188279A CN102467342B (en) | 2011-05-09 | 2011-05-09 | Method for displaying electronic map on multitouch screen |
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|---|---|---|---|---|
| KR20140017397A (en) * | 2012-08-01 | 2014-02-11 | 삼성전자주식회사 | Apparatas and method for searching map using browsing history in an electronic device |
| CN104700709A (en) * | 2013-12-05 | 2015-06-10 | 高德软件有限公司 | Map display method and device |
| CN107430632B (en) * | 2015-04-13 | 2022-01-04 | 谷歌有限责任公司 | Dynamically controlling a map viewport in accordance with user signals |
| CN106294347A (en) * | 2015-05-13 | 2017-01-04 | 高德软件有限公司 | A kind of accommodation venue point searching method and device |
| CN109448453B (en) * | 2018-10-23 | 2021-10-12 | 昆明微想智森科技股份有限公司 | Point reading question-answering method and system based on image recognition tracking technology |
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| CN201251885Y (en) * | 2008-09-16 | 2009-06-03 | 凌阳成芯科技(成都)有限公司 | Multimedia electronic map device |
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| AU2007350940A1 (en) * | 2007-04-06 | 2008-10-16 | Tele Atlas B.V. | Method, navigation device, and server for determining a location in a digital map database |
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| CN101119431A (en) * | 2006-08-01 | 2008-02-06 | 环达电脑(上海)有限公司 | Image data scaling system and method |
| CN201251885Y (en) * | 2008-09-16 | 2009-06-03 | 凌阳成芯科技(成都)有限公司 | Multimedia electronic map device |
| CN101881622A (en) * | 2009-05-08 | 2010-11-10 | 宏达国际电子股份有限公司 | Method for displaying geographic information and device thereof |
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