CN103514169A - Method and device for searching for interest point and mobile terminal - Google Patents
Method and device for searching for interest point and mobile terminal Download PDFInfo
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- CN103514169A CN103514169A CN201210204300.2A CN201210204300A CN103514169A CN 103514169 A CN103514169 A CN 103514169A CN 201210204300 A CN201210204300 A CN 201210204300A CN 103514169 A CN103514169 A CN 103514169A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
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- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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Abstract
The invention provides a method and device for searching for an interest point and a mobile terminal. The method for searching for the interest point comprises the steps that an event for starting searching for the interest point is received; a search area setting layer is drawn on a map layer displayed on a displayer of the mobile terminal, wherein the search area setting layer comprises an area capable of displaying the map layer; an interest point searching range defined by the area capable of displaying the map layer on the map layer is obtained; in the interest point searching range, the interest point which a user is interested in is searched for. By the adoption of the method and device for searching for the interest point and the mobile terminal, a user can complete setting of the interest point searching range through gestures, so that an existing interest point searching process is simplified, and the flexibility and the convenience of searching for the interest point are improved.
Description
Technical field
The present invention relates to data searching technology field, relate in particular to a kind of point of interest search method and device, mobile terminal.
Background technology
At present, increasing people can, at upper electronic chart software or the navigation software installed of mobile terminal (such as smart mobile phone), complete point of interest (POI, Point Of Interest) search, Public Transport Transfer, the route planning etc. of driving by these softwares.
For POI search, user can be by electronic chart software or interested certain the class POI of navigation software search " certain position (reference position) " periphery user.Wherein, described " reference position " can be the point searching searching functions Chu position that user provides by electronic chart software or navigation software, also can be the customer location of mobile terminal location, or the screen center position of the current demonstration map of mobile terminal screen.User is first by point searching searching functions " Tian Le dining room, Dongcheng, Beijing " as shown in Figure 1, afterwards user by clicking shown in figure " near " icon, can carry out the search of this dining room periphery user POI interested.
Existing point of interest search technical scheme is being carried out in research and practice process, inventor finds that when described " reference position " be that user is while passing through point searching function setting, user need to first input the information of " reference position ", title such as reference position, and then by point searching searching functions Gai“ reference position ", last ，Dui Gai“ reference position " near information search for.And use at present the mobile terminal of Touch Screen more and more, by simple gesture, just can complete the control (such as slip release) to these mobile terminals, existing point of interest search technical scheme fails to utilize these new features of mobile terminal, therefore, existing point of interest search technical scheme flow process for this class mobile phone users is too complicated, and operation underaction and convenient.
Summary of the invention
The technical matters that the embodiment of the present invention will solve is to provide a kind of point of interest search method and device, mobile terminal, this technical scheme can make user by gesture, complete the setting of point of interest search scope, thereby simplified point of interest search flow process, improved dirigibility and the convenience of point of interest search.
For solving the problems of the technologies described above, the object of the invention is to be achieved through the following technical solutions:
The embodiment of the present invention provides a kind of point of interest search method, and described method comprises:
Receive the event of initiation gesture point of interest search;
On the map layer showing at mobile terminal screen, draw region of search figure layer is set, described region of search arranges figure layer and comprises a region that can show map layer;
Obtain the point of interest search scope that the described region that can show map layer is confined on described map layer;
Within the scope of described point of interest search, the interested point of interest of search subscriber.
Further, the embodiment of the present invention provides a kind of point of interest search device, and described device comprises:
Event receiving element, for receiving the event of initiation gesture point of interest search, and triggers region of search figure layer drawing unit is set;
Region of search figure layer drawing unit, for the map layer showing at mobile terminal screen, draws region of search figure layer is set, and described region of search arranges figure layer and comprises a region that can show map layer;
Point of interest search scope acquiring unit, the point of interest search scope of confining on described map layer for obtaining the described region that can show map layer;
Point of interest search unit, within the scope of the point of interest search obtaining at described point of interest search scope acquiring unit, the interested point of interest of search subscriber.
Further, the embodiment of the present invention also provides a kind of mobile terminal, comprises any one point of interest search device that the embodiment of the present invention provides.
Technique scheme has following beneficial effect:
The invention provides a kind of point of interest search technical scheme, on the map layer that first this scheme shows at mobile terminal screen, draw region of search figure layer is set, described region of search arranges figure layer and comprises that one can show the region of map layer, secondly, user can drag by gesture, the described region that can show map layer zooms in or out, when dragging to its hope by the described region that shows map layer, user carries out behind the region of point of interest search, technical scheme provided by the invention will be obtained the scope of confining on the map layer that the described region that can show map layer shows at described mobile terminal screen, this scope is the scope that user wishes to carry out point of interest search.Due to the technical scheme that adopts the embodiment of the present invention to provide, the region that can show map layer described in user can be dragged, be zoomed in or out by gesture, thereby realize the setting to point of interest search scope, simplify point of interest search flow process, improved dirigibility and the convenience of point of interest search.
Accompanying drawing explanation
The point of interest search functional schematic that Fig. 1 provides for prior art;
The point of interest search method flow diagram that Fig. 2 provides for the embodiment of the present invention;
Fig. 3-1 is for adopting the embodiment of the present invention that one of electronic chart software interface sectional drawing of technical scheme is provided;
Fig. 3-2 are for adopting the embodiment of the present invention that one of electronic chart software interface sectional drawing of technical scheme is provided;
The method flow diagram that obtains point of interest search scope that Fig. 4 provides for the embodiment of the present invention;
Fig. 5-1 exceeds mobile terminal screen left margin schematic diagram for the region that pulls that the embodiment of the present invention provides;
Fig. 5-2 exceed mobile terminal screen coboundary schematic diagram for the region that pulls that the embodiment of the present invention provides;
The drafting region of search that Fig. 6-1 provides for the embodiment of the present invention arranges the first method flow diagram of figure layer;
The drafting region of search that Fig. 6-2 provide for the embodiment of the present invention arranges the second method flow diagram of figure layer;
The point of interest search installation composition schematic diagram that Fig. 7 provides for the embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, the technical scheme embodiment of the present invention being provided referring to accompanying drawing is elaborated.
The embodiment of the present invention provides a kind of point of interest search method, and the point of interest search function that adopts the method to realize enough allows user set point of interest search scope by gesture, and then within the scope of this point of interest search, the interested POI of user is searched for.The method can be used for electronic chart software, also can be used for navigation software.Above-mentioned electronic chart software or navigation software can be arranged on mobile terminal, and the screen of this mobile terminal is Touch Screen.Such as mobile phone, panel computer, portable navigation device, automatic navigator etc.
The technical scheme providing for being illustrated more clearly in the embodiment of the present invention, take below and adopt electronic chart software that the embodiment of the present invention provides technical scheme the present invention to be described in detail as example, this should not be considered as for example to the invention provides the restriction that technical scheme can application product type.
Referring to Fig. 2, is the point of interest search method flow schematic diagram that the embodiment of the present invention provides, and the method comprises the steps:
Step 201: the event that receives initiation gesture point of interest search;
Fig. 3-1st, adopts embodiment of the present invention supplying method to realize one of the electronic chart software interface sectional drawing of " gesture point of interest search ", the icon 301 that has an initiation gesture point of interest search on this electronic chart software interface, user's opening installation is after the electronic chart software of mobile terminal, by finger clickable icon 301, electronic chart software background program will receive the event of initiation gesture point of interest search and respond this event, and electronic chart software background program starts initiation gesture point of interest search flow process.
Step 202: on the map layer showing at mobile terminal screen, draw region of search figure layer is set, described region of search arranges figure layer and comprises that one can show the region (border circular areas 302 as shown in Fig. 3-2) of map layer, and user can show that to this region of map layer pulls, zooms in or out by gesture;
As shown in Fig. 3-1, user's opening installation is after the electronic chart software of mobile terminal, the positioning function that electronic chart software provides by mobile terminal positions the current position of user, to obtain the current position of user, then, according to the scaling of electronic chart, on mobile terminal screen, centered by the current position of user, show electronic chart.Certainly, show that map can be also the electronic chart after user drags by gesture on mobile terminal screen, the center of this electronic chart may be no longer the current position of user.Therefore, after user opens electronic chart software, before initiation gesture point of interest search function, on mobile terminal screen, existing map layer shows, after user's clickable icon 301 initiation gesture point of interest search functions, electronic chart software background program arranges figure layer by drawing region of search on the map layer in the current demonstration of mobile terminal screen again.
When dragging to its hope by border circular areas as shown in Fig. 3-2 302, user carries out behind the region of point of interest search, user is by clicking the check mark icon 303 of the confirmation gesture point of interest search on electronic chart software interface, point of interest search scope is confirmed, now, electronic chart software background program will receive the confirmation the event (step 203) of gesture point of interest search;
Step 204: receive the point of interest search classification information that user selects;
It should be noted that, because existing point of interest search architecture is to carry out point of interest search by point of interest classification, therefore, the method that the embodiment of the present invention provides needs user first gesture point of interest search scope to be confirmed, then also need user to select point of interest classification, such as, hotel, bank, market etc.In the situation that utilizing existing point of interest search architecture, the method that the embodiment of the present invention provides need to comprise step 203 and step 204.But these two steps are not to realize the necessary step of the object of the invention, while adopting other technologies means to realize the confirmation to point of interest search scope, needn't comprise again step 203 in practical application.Such as, by judging whether the time that border circular areas 302 stops on a certain position on screen surpass preset time value, if so, think that user confirms this gesture point of interest search scope.In practical application, if do not adopted existing point of interest search architecture to carry out point of interest search, and adopt other modes such as carry out point of interest search according to user's types of facial makeup in Beijing operas information, embodiment of the present invention supplying method will no longer comprise step 204.Therefore, step 203 and step 204 are non-realizes the technical characterictic that the object of the invention must comprise.
Step 205: obtain the point of interest search scope that the described region that can show map layer is confined on described map layer;
Step 206: within the scope of described point of interest search, the interested point of interest of user.
In embodiments of the present invention, can show that the region that the region of map layer is confined on electronic chart is point of interest search scope, the region that can show map layer as shown in Fig. 3-2 is border circular areas 302, and the point of interest search scope of confining on electronic chart is also circular.The region that certainly can show map layer can be also rectangular area, or other regular shapes or erose region, does not affect the realization of the embodiment of the present invention.
In the time can showing that the region of map layer is circular, the step 205 that the embodiment of the present invention provides can adopt Fig. 4 illustrated embodiment to realize:
Step 2051: obtain the described screen pixels coordinate of central point and the screen pixels radius of border circular areas that can show the border circular areas of map layer;
Step 2052: the screen pixels coordinate and the map level of zoom that show the central point of map layer according to mobile terminal screen, by the screen pixels coordinate conversion of the central point of described border circular areas, it is latitude and longitude coordinates, this latitude and longitude coordinates correspondence position is the central point of circular point of interest search scope, and described screen pixels radius is converted to map distance, this map distance is the radius of circular point of interest search scope.
In actual applications, if adopt mode shown in Fig. 4 to obtain point of interest search scope, step 206 can realize in the following way:
Take the latitude and longitude coordinates that step 2052 gets, be the center of circle, within the scope of the circular point of interest search that the described map distance of take is radius, the interested point of interest of search subscriber.
Be more than the point of interest search method that the embodiment of the present invention provides, the method that compared with prior art embodiment of the present invention provides has been simplified point of interest search flow process, has improved dirigibility and the convenience of point of interest search.
Further, in actual applications, because mobile terminal screen size is limited, what mobile terminal screen showed is only a part for electronic chart, therefore, user may show that the region of map layer drags out mobile terminal screen indication range (as shown in Figure 5) by described.When occurring that user can show that the region of map layer pulls out the situation of screen display scope, illustrate that user wishes that the body of a map or chart of carrying out point of interest search has exceeded the electronic chart scope of the current demonstration of mobile terminal screen, for meeting user's point of interest search demand, the method that the embodiment of the present invention provides can further include following steps:
Whether the region that can show map layer described in judgement is dragged to and approaches or exceed the position that mobile terminal screen shows map layer bounds by user, if so, and to the direction moving map figure layer contrary with user's drawing direction.Therefore, the technical scheme that adopts the embodiment of the present invention to provide, user can arbitrarily drag the region that can show map layer and carry out the scope of point of interest search to any one its hope in electronic chart, rather than only limits to the electronic chart scope that mobile terminal screen shows.
As shown in Fig. 5-1, user drags process Zhong，Gai region from the border circular areas that can show map layer to mobile terminal screen left side has exceeded the left margin of screen display map layer, and now, electronic chart will move to the right.Such as, the border circular areas that can show map layer is moved to the left and exceeds 5 pixel distances of screen, electronic chart 5 pixel distances that move right; Vice versa.As shown in Fig. 5-2, user drags process Zhong，Gai region from the border circular areas that can show map layer to mobile terminal screen top has exceeded the coboundary of screen display map layer, and now, electronic chart will move downwards; Vice versa.
In actual applications, when the described region that shows map layer is circle, whether the region that judgement is described can show map layer is dragged to by user that approach or exceed the position of mobile terminal screen demonstration map layer bounds can be in the following way:
Obtain described central point pixel coordinate and the pixel radius that can show the border circular areas of map layer;
Obtain length and the width of described mobile terminal screen;
Take the upper left corner of described mobile terminal screen is true origin, calculate and describedly can show that the border of the border circular areas of map layer arrives the distance on mobile terminal screen Si Ge limit, if distance is less than or equal to default threshold value, judge that the region that can show map layer described in obtaining has been dragged to the position that approaches or exceed the border of mobile terminal screen demonstration map layer by user.
Further, the embodiment of the present invention provides two kinds and has drawn the embodiment that region of search arranges figure layer, refers to Fig. 6-1 and Fig. 6-2.
The first, as in Figure 6-1, " on the map layer showing at mobile terminal screen, draw region of search figure layer is set, described region of search arranges figure layer and comprises that one can show the pulled region of map layer " that the embodiment of the present invention provides specifically comprises:
Step 2021: obtain the sectional drawing of the map layer of mobile terminal screen demonstration, this sectional drawing is memory bitmap;
Step 2022: obtain visibility region parameter;
Step 2023: be visibility region according to default visibility region parameter by a region division of described sectional drawing, and be invisible area by other region divisions of described sectional drawing;
Step 2024: the sectional drawing that step 2023 is obtained arranges figure layer and is presented on the map layer that described mobile terminal screen shows as region of search, the sectional drawing of the map layer that soon step 2023 will obtain is superimposed upon on map layer and shows, and the sectional drawing of map layer is positioned at map layer top.
Wherein, the visibility region parameter of obtaining can be that program is predefined, can be also that user drags behind the region that can show map layer, according to user, drags the visibility region parameter that the distance in the region that can show map layer gets.Generally when visibility region is circle, default visibility region parameter comprises: the central coordinate of circle of visibility region and radius,, on sectional drawing with certain Dian Wei center of circle of mobile terminal screen (such as screen center's point), the radius of visibility region of take arranges a circular visibility region as radius, the image that this visibility region shows is identical with the map layer that is positioned at its lower one deck, has been equivalent to show the situation of its lower one deck map layer, and other region divisions of sectional drawing are non-visible region.
While adopting this implementation, user drags the described region that can show map layer, actual is that electronic chart software background program arranges distance mobile on figure layer in region of search according to user's gesture, again obtain visibility region parameter, and according to the visibility region parameter of again obtaining, reset visibility region.
The second, as shown in Fig. 6-2, " on the map layer showing at mobile terminal screen, draw region of search figure layer is set, described region of search arranges figure layer and comprises that one can show the pulled region of map layer " that the embodiment of the present invention provides specifically comprises:
Step 2021 ': obtain the preset region of search pulling figure is set, this picture is PNG picture, described region of search arranges a region division of figure for can show map layer (this region division is that picture is transparent), and all the other region divisions are for can not show map layer (this region division is that picture is opaque);
Step 2022 ': using described, comprise that a region of search that pulls region that can show map layer arranges figure and as region of search, figure layer is set and is presented on the map layer that described mobile terminal screen shows.
The second implementation is compared with the first implementation, difference is, while adopting the second implementation, user drag, dwindle or amplifies described in can show the region of map layer, actual is drag, dwindle or amplify whole region of search is arranged to figure.
Be more than the point of interest search method that the embodiment of the present invention provides, the embodiment of the present invention also provides a kind of point of interest search device, below in conjunction with accompanying drawing, this device is described in detail.
Referring to Fig. 7, is the point of interest search installation composition schematic diagram that the embodiment of the present invention provides, and this device comprises:
Region of search figure layer drawing unit 702, for the map layer showing at mobile terminal screen, draws region of search figure layer is set, and described region of search arranges figure layer and comprises a region that can show map layer;
Point of interest search scope acquiring unit 703, the point of interest search scope of confining on described map layer for obtaining the described region that can show map layer;
Point of interest search unit 704, within the scope of the point of interest search obtaining at described point of interest search scope acquiring unit, the interested point of interest of search subscriber.
More than the point of interest search device that the embodiment of the present invention provides, the region of search drawing unit 702 providing about the embodiment of the present invention, the embodiment of the present invention provides two kinds of implementations to comprise:
The first, in actual applications, described region of search drawing unit 702 specifically comprises:
Map layer sectional drawing unit, for obtaining the sectional drawing of the map layer of mobile terminal screen demonstration;
Visibility region parameter acquiring unit, for obtaining visibility region parameter;
Visible and invisible area setting unit, for according to the visibility region parameter of obtaining, by a region division of described sectional drawing for can show map layer, and by other region divisions of described sectional drawing for not showing map layer;
Sectional drawing display unit, arranges figure layer and is presented at the map layer that described mobile terminal screen shows as region of search for the sectional drawing after arranging.
The second, in actual applications, described region of search drawing unit 702 specifically comprises:
Region of search arranges figure acquiring unit, for obtaining preset region of search, figure is set, and described region of search arranges Tu Yige region can show map layer, and all the other regions can not show map layer;
Region of search arranges figure display unit, for described region of search being arranged to figure, the map layer that figure layer is presented at described mobile terminal screen demonstration is set as region of search.
Further, in actual applications, because mobile terminal screen size is limited, complete electronic chart cannot be presented in whole screen, therefore, when user drags out mobile terminal screen indication range by the described region 302 that shows map layer, illustrate that user wishes that the region of carrying out point of interest search has exceeded the electronic chart scope of the current demonstration of mobile terminal screen, in this case, for meeting user search demand, the point of interest search device that the embodiment of the present invention provides further comprises:
Super scope judging unit can show that whether the region of map layer is dragged to and approach or exceed the position that mobile terminal screen shows map layer bounds by user, if so, triggers map mobile unit described in judging;
Map mobile unit, for the direction moving map figure layer to contrary with user's drawing direction.
When specific implementation, described super scope judging unit specifically comprises following subelement:
Pixel value acquiring unit, for obtaining described central point pixel coordinate and the pixel radius that can show the border circular areas of map layer;
Screen length and width acquiring unit, for obtaining length and the width of described mobile terminal screen;
Super scope judgment sub-unit, for take the upper left corner of described mobile terminal screen, it is true origin, calculate and describedly can show that the border of the border circular areas of map layer arrives the distance on mobile terminal screen Si Ge limit, if distance is less than or equal to default threshold value, judge that the region that can show map layer described in obtaining has been dragged to the position that approaches or exceed the border of mobile terminal screen demonstration map layer by user.
In embodiments of the present invention, can show that the region that the region of map layer is confined on electronic chart is point of interest search scope, as shown in Fig. 3-2, the region that can show map layer is border circular areas 302, the circular scope that this border circular areas 302 is confined on electronic chart is exactly point of interest search scope, the region that certainly can show map layer can be also rectangular area, or the region of other shapes, does not affect the realization of the embodiment of the present invention.
In the time can showing that the region of map layer is circular, the point of interest search scope determining unit that the embodiment of the present invention provides can realize as follows, and point of interest search scope determining unit specifically comprises:
Screen value acquiring unit, for obtaining the described screen pixels coordinate of central point and the screen pixels radius of described border circular areas that can show the border circular areas of map layer;
Map value acquiring unit, for show screen pixels coordinate and the map level of zoom of the central point of map layer according to mobile terminal screen, by the screen pixels coordinate conversion of the central point of described border circular areas, it is latitude and longitude coordinates, this latitude and longitude coordinates correspondence position is the central point of circular point of interest search scope, and described screen pixels radius is converted to map distance, this map distance is the radius of circular point of interest search scope.
The embodiment of the present invention also provides a kind of mobile terminal of described any one point of interest search device above that comprises, and related content refers to installs part above, repeats no more herein.
Above a kind of point of interest search method provided by the present invention and device, mobile terminal are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. a point of interest search method, is characterized in that, described method comprises:
Receive the event of initiation gesture point of interest search;
On the map layer showing at mobile terminal screen, draw region of search figure layer is set, described region of search arranges figure layer and comprises a region that can show map layer;
Obtain the point of interest search scope that the described region that can show map layer is confined on described map layer;
Within the scope of described point of interest search, the interested point of interest of search subscriber.
2. the method for claim 1, is characterized in that, on the map layer showing, draws region of search figure layer is set at mobile terminal screen, and described region of search arranges figure layer and comprises one and can show that the region of map layer specifically comprises:
Obtain the sectional drawing of the map layer of mobile terminal screen demonstration;
Obtain visibility region parameter;
According to the visibility region parameter getting, by a region division of described sectional drawing, be visibility region, and be invisible area by other region divisions of described sectional drawing;
Sectional drawing after arranging arranges figure layer as region of search and is presented on the map layer that described mobile terminal screen shows.
3. the method for claim 1, is characterized in that, on the map layer showing, draws region of search figure layer is set at mobile terminal screen, and described region of search arranges figure layer and comprises one and can show that the region of map layer specifically comprises:
Obtain preset region of search figure is set, described region of search arranges Tu Yige region can show map layer, and all the other regions can not show map layer;
Described region of search being arranged to figure arranges figure layer as region of search and is presented on the map layer that described mobile terminal screen shows.
4. the method as described in any one claim in claims 1 to 3, is characterized in that, described method further comprises:
Whether the region that can show map layer described in judgement is dragged to and approaches or exceed the position that mobile terminal screen shows map layer bounds by user, if so, and to the direction moving map figure layer contrary with user's drawing direction.
5. the method as described in any one claim in claims 1 to 3, it is characterized in that, if the region shape that shows map layer described is for circular, obtains the point of interest search scope of confining in the described region that can show map layer and specifically comprise on described map layer:
Obtain the described screen pixels coordinate of central point and the screen pixels radius of described border circular areas that can show the border circular areas of map layer;
The screen pixels coordinate and the map level of zoom that according to mobile terminal screen, show the central point of map layer, by the screen pixels coordinate conversion of the central point of described border circular areas, it is latitude and longitude coordinates, this latitude and longitude coordinates correspondence position is the central point of circular point of interest search scope, and described screen pixels radius is converted to map distance, this map distance is the radius of circular point of interest search scope.
6. method as claimed in claim 5, is characterized in that, within the scope of described point of interest search, the interested point of interest of search subscriber specifically comprises:
Take described latitude and longitude coordinates as the center of circle, within the scope of the circular point of interest search that the described map distance of take is radius, the interested point of interest of search subscriber.
7. method as claimed in claim 5, is characterized in that, whether the region that can show map layer described in described judgement is dragged to and approach or exceed the position that mobile terminal screen shows map layer bounds and specifically comprise by user:
Obtain described central point pixel coordinate and the pixel radius that can show the border circular areas of map layer;
Obtain length and the width of described mobile terminal screen;
Take the upper left corner of described mobile terminal screen is true origin, calculate and describedly can show that the border of the border circular areas of map layer arrives the distance on mobile terminal screen Si Ge limit, if distance is less than or equal to default threshold value, judge that the region that can show map layer described in obtaining has been dragged to the position that approaches or exceed the border of mobile terminal screen demonstration map layer by user.
8. a point of interest search device, is characterized in that, described device comprises:
Event receiving element, for receiving the event of initiation gesture point of interest search, and triggers region of search figure layer drawing unit is set;
Region of search figure layer drawing unit, for the map layer showing at mobile terminal screen, draws region of search figure layer is set, and described region of search arranges figure layer and comprises a region that can show map layer;
Point of interest search scope acquiring unit, the point of interest search scope of confining on described map layer for obtaining the described region that can show map layer;
Point of interest search unit, within the scope of the point of interest search obtaining at described point of interest search scope acquiring unit, the interested point of interest of search subscriber.
9. device as claimed in claim 8, is characterized in that, described region of search figure layer drawing unit specifically comprises:
Map layer sectional drawing unit, for obtaining the sectional drawing of the map layer of mobile terminal screen demonstration;
Visibility region parameter acquiring unit, for obtaining visibility region parameter;
Visible and invisible area setting unit, for according to the visibility region parameter of obtaining, is visibility region by a region division of described sectional drawing, and is invisible area by other region divisions of described sectional drawing;
Sectional drawing display unit, arranges figure layer and is presented at the map layer that described mobile terminal screen shows as region of search for the sectional drawing after arranging.
10. device as claimed in claim 8, is characterized in that, described region of search figure layer drawing unit specifically comprises:
Region of search arranges figure acquiring unit, for obtaining preset region of search, figure is set, and described region of search arranges Tu Yige region can show map layer, and all the other regions can not show map layer;
Region of search arranges figure display unit, for described region of search being arranged to figure, the map layer that figure layer is presented at described mobile terminal screen demonstration is set as region of search.
11. devices as described in any one claim in claim 8 to 10, is characterized in that, described device further comprises:
Super scope judging unit can show that whether the region of map layer is dragged to and approach or exceed the position that mobile terminal screen shows map layer bounds by user, if so, triggers map mobile unit described in judging;
Map mobile unit, for the direction moving map figure layer to contrary with user's drawing direction.
12. devices as described in any one claim in claim 8 to 10, is characterized in that, the described region shape that shows map layer is for circular, and described point of interest search scope acquiring unit specifically comprises:
Screen value acquiring unit, for obtaining the described screen pixels coordinate of central point and the screen pixels radius of described border circular areas that can show the border circular areas of map layer;
Map value acquiring unit, for show screen pixels coordinate and the map level of zoom of the central point of map layer according to mobile terminal screen, by the screen pixels coordinate conversion of the central point of described border circular areas, it is latitude and longitude coordinates, this latitude and longitude coordinates correspondence position is the central point of circular point of interest search scope, and described screen pixels radius is converted to map distance, this map distance is the radius of circular point of interest search scope.
13. devices as claimed in claim 12, is characterized in that, described super scope judging unit specifically comprises:
Pixel value acquiring unit, for obtaining described central point pixel coordinate and the pixel radius that can show the border circular areas of map layer;
Screen length and width acquiring unit, for obtaining length and the width of described mobile terminal screen;
Super scope judgment sub-unit, for take the upper left corner of described mobile terminal screen, it is true origin, calculate and describedly can show that the border of the border circular areas of map layer arrives the distance on mobile terminal screen Si Ge limit, if distance is less than or equal to default threshold value, judge that the region that can show map layer described in obtaining has been dragged to the position that approaches or exceed the border of mobile terminal screen demonstration map layer by user.
14. 1 kinds of mobile terminals, is characterized in that, comprise the point of interest search device described in any one claim in claim 8-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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