CN102708214A - Method for searching point of interest and terminal - Google Patents
Method for searching point of interest and terminal Download PDFInfo
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- CN102708214A CN102708214A CN2012101976854A CN201210197685A CN102708214A CN 102708214 A CN102708214 A CN 102708214A CN 2012101976854 A CN2012101976854 A CN 2012101976854A CN 201210197685 A CN201210197685 A CN 201210197685A CN 102708214 A CN102708214 A CN 102708214A
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Abstract
The invention discloses a method for searching a point of interest and a terminal. The method comprises the following steps of: acquiring a region which is defined by a user on an electronic map; searching the point of interest according to the defined region; and displaying the searched point of interest on the electronic map. By the method, the user can define a search region through a tool such as a touch screen or a mouse according to an actual demand; positions of a plurality of points of interest can be searched at the same time in the defined search region; and the method is convenient and quick; and the user experience is enhanced.
Description
Technical field
The present invention relates to the location-based service field, relate in particular to a kind of method and terminal of searching for point of interest.
Background technology
Electronic chart can be loaded in terminals such as computer, mobile phone, navigator; With the navigator is example; Its principle of work is the position coordinates that navigator is confirmed ad-hoc location; The position coordinates of putting down in writing in the electronic chart that itself and self are stored matees, and confirms the accurate position of navigation object in electronic chart of this navigator of lift-launch with this.Navigator can be car-mounted terminal, portable navigation device, mobile phone terminal etc.Navigation object can be vehicle, pedestrian etc.After the user configured departure place and destination, the electronic map data that navigator can store according to self calculated guidance path, and according to calculate guidance path navigate for the user.
Existing terminal generally is that the user carries out specifically through the title of input point of interest or fuzzy coupling is searched for corresponding point of interest; If but the user wants to search all point of interest positions in certain zone; Then need search for one by one, it is cumbersome to operate.
Summary of the invention
The technical matters that the present invention will solve is the defective to a plurality of points of interest position in the user can't inquire about certain zone simultaneously in the prior art, and a kind of method and terminal of searching for point of interest is provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of method of searching for point of interest is provided, may further comprise the steps:
Obtain the zone that the user delimit on electronic chart;
Carry out the search of point of interest according to the zone of being delimited;
On said electronic chart, show the point of interest that searches.
In the method for the present invention; Before carrying out the search of point of interest according to the zone of being delimited; Whether the curve of judges when the defined area is closed curve, if closed curve then carries out the search of point of interest with the closed region in this closed curve as the region of search.
In the method for the present invention; If the enclosed of the curve of user when the defined area reaches preset value; Judge that then this curve is approximate closed curve; And should be similar to closed curve automatically and mend into closed curve, and the search of point of interest is carried out in the closed region in the closed curve after will having mended as the region of search.
In the method for the present invention; If the curve of user when the defined area is neither closed curve; Also non-said approximate closed curve; Then search the road section that is complementary with this curve, and will be that the search of point of interest is carried out in zone in the preset range of center line as the region of search with this road section.
In the method for the present invention, before carrying out the search of point of interest, also comprise step according to the zone of being delimited:
Obtain user-selected point of interest classification, point of interest search and the point of interest under this classification of demonstration on the said electronic chart are carried out in the region of search according to this classification.
In the method for the present invention, when on said electronic chart, showing the point of interest that searches, also the form of point of interest with tabulation shown.
The present invention solves another technical scheme that its technical matters adopts:
A kind of terminal is provided, comprises touch-screen, it is characterized in that, comprising:
The user imports acquiring unit, is used for obtaining the zone that the user delimit through touch-screen on electronic chart;
Search unit is used for carrying out according to the zone of being delimited the search of point of interest;
Display unit is used on said electronic chart, showing the point of interest that searches.
In the terminal of the present invention, this terminal also comprises:
Judging unit; Be used for before said search unit searches point of interest; Whether the curve of judges when the defined area is closed curve, if closed curve then carries out the search of point of interest with the closed region in this closed curve through said search unit as the region of search.
In the terminal of the present invention, said judging unit also is used for if the enclosed of the curve of user when the defined area reaches preset value, judges that then this curve is approximate closed curve;
This terminal also comprises the benefit curved unit; Being used at said judgment unit judges curve is when being similar to closed curve; Automatically should be similar to closed curve and mend into closed curve, and the search of point of interest is carried out in the closed region in the closed curve after will having mended through said search unit as the region of search.
In the terminal of the present invention, said user imports acquiring unit and also is used to obtain user-selected point of interest classification;
Said search unit also is used for according to this classification the point of interest search being carried out in the region of search;
Said display unit also is used at the point of interest that shows on the said electronic chart under this classification that searches, and said display unit also is further used for the form of point of interest with tabulation shown.
The beneficial effect that embodiment of the present invention produces is: the user is through touch-screen defined area on electronic chart at terminal among the present invention; The terminal is searching for point of interest in the zone of delimiting again, and on electronic chart, shows, thereby can be implemented in the position of searching a plurality of points of interest simultaneously in drawing the line; The user delimit the region of search through instruments such as touch-screen or mouse according to the actual requirements; Just can find the point of interest position in this zone, convenient and swift, improved user experience.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the method flow diagram of embodiment of the invention searching for point of interest;
Fig. 2 is the method flow diagram of another embodiment of the present invention searching for point of interest;
Fig. 3 is the structural representation at embodiment of the invention terminal;
Fig. 4 is the structural representation at another embodiment of the present invention terminal;
Curve when Fig. 5 is embodiment of the invention user defined area is the synoptic diagram of closed curve;
Curve when Fig. 6 is embodiment of the invention user defined area is the synoptic diagram of near linear.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, the method for embodiment of the invention searching for point of interest may further comprise the steps:
S101, obtain the zone that the user delimit on electronic chart, can on the touch-screen at terminal, delimit a zone like the user, can delimit a zone through mouse yet, can certainly utilize other instruments on the terminal to delimit a zone, the present invention does not do qualification;
S102, carry out the search of point of interest according to the zone of being delimited;
S103, the point of interest that demonstration searches on electronic chart.
The user delimit the region of search according to the actual requirements in the embodiment of the invention, in the region of search of delimiting, search point of interest again, can find a plurality of points of interest position simultaneously, and is convenient and swift, improved user experience.
As shown in Figure 2, in the method for another embodiment of the present invention searching for point of interest, be example with the terminal that has touch-screen, may further comprise the steps:
S201, the touch-screen through the terminal obtain the user on electronic chart through touching left geometric locus (hereinafter to be referred as curve);
Whether S202, the curve of judges when the defined area are closed curve.
S203, if the curve of user when the defined area is closed curve, as shown in Figure 5, then with the closed region in this closed curve as the region of search.
S204, if the curve of user when the defined area be not closed curve, then whether the enclosed of the curve of judges when the defined area reaches preset value.
S205, if the enclosed of the curve of user when the defined area reaches preset value, judges that then this curve is approximate closed curve, and should be similar to closed curve automatically and mend into closed curve, and the interior closed region of the closed curve after will having mended is as the region of search.Like enclosed is 80%; Do not require that promptly the drawn curve of user is 100% sealing, get final product that what for example on screen, draw is " G " type curve but reach certain closure; At this moment closure surpasses 80%; This curve of decidable at this moment can automatically this curve have been mended sealing, and the zone after will having mended is as the region of search for approximate closed curve.
S206, if the enclosed of the curve of user when the defined area does not reach preset value; Be that the curve of user when the defined area is neither closed curve neither be similar to closed curve; Be the enclosed of curve when not reaching preset value, as shown in Figure 6, this curve is continuous near linear; Then search the road section that is complementary with this curve, and will be that zone in the preset range of center line is as the region of search with this road section.Because the non-closed curve that gets access to is continuous generally speaking, so corresponding also should be continuous road section near the road of this curve, just can be with the center line near zone of the road section that finds as the region of search.
S207, in above-mentioned steps, carry out the search of point of interest in the determined region of search.
S208, the point of interest that demonstration searches on electronic chart.
Further; Find specific point of interest in order to be beneficial to the user better; And in the point of interest that is found, select, before carrying out the search of point of interest, also comprise step: obtain user-selected point of interest classification according to the zone of being delimited; According to this classification point of interest search and the point of interest under this classification of demonstration on the electronic chart are carried out in the region of search, the point of interest under other classification then can not show.Can in advance the point of interest on the electronic chart in the terminal be classified, for example be divided into retail shop, restaurant, parking lot, refuelling station, hotel etc.If the user need search the restaurant in certain zone; Then can on electronic chart, draw a zone through touch-screen; Selecting the type of point of interest according to screen prompt is the restaurant, and then all restaurants are searched for automatically in the terminal in this selected zone, and on electronic chart, show the position in each restaurant that searches; The user can check the details of the point of interest of any demonstration, comprises place, full name and the roughly running time from current location to this point of interest etc.
Further, the point of interest that searches is come into plain view, in the time of can on electronic chart, showing the point of interest that searches, the form of point of interest with tabulation shown, as the point of interest tabulation being presented at the sidebar of terminal screen for the ease of the user.The details that can show this point of interest in the tabulation comprise place, full name and the roughly running time from current location to this point of interest etc.When the user selectes one of them point of interest in tabulation, position of the outstanding current position of demonstration and this point of interest on electronic chart, and generation automatically and demonstration guidance path between the two.
The terminal of the embodiment of the invention is used to realize said method, and the terminal can be computer, mobile phone and navigator etc., and the embodiment of the invention is an example with the navigator with touch-screen, and this navigator comprises touch-screen 310.As shown in Figure 3, the terminal also comprises:
The user imports acquiring unit 320, is used for obtaining the zone that the user delimit through touch-screen 310 on electronic chart;
Search unit 330 is used for carrying out according to the zone of being delimited the search of point of interest;
Display unit 340 is used on electronic chart, showing the point of interest that searches, and is understandable, and electronic chart also is to show through display unit 340.
Further, as shown in Figure 4 in another embodiment of the present invention, this terminal also comprises:
Judging unit 350; Be used for before search unit 330 searching for point of interest, whether the curve of judges when the defined area is closed curve, if closed curve; As shown in Figure 5, then the closed region in this closed curve is carried out the search of point of interest as the region of search through search unit 330.
In one embodiment of the invention, judging unit 350 also is used for if the enclosed of the curve of user when the defined area reaches preset value, judges that then this curve is approximate closed curve; Specifically how to confirm as approximate closed curve, preceding text are existing to be described in detail, does not give unnecessary details at this.
This terminal also comprises mends curved unit 360; Be used for judging that at judging unit 350 curve is when being similar to closed curve; Automatically should be similar to closed curve and mend into closed curve, and the closed region in the closed curve after will having mended is carried out the search of point of interest as the region of search through search unit 330.
If judging unit 350 judges that the curve of user when the defined area is neither the also non-approximate closed curve of closed curve; As shown in Figure 6; This curve is continuous near linear; Then search the road section that is complementary with this curve, and will be that the search of point of interest is carried out in zone in the preset range of center line as the region of search with this road section through search unit 330.
In another embodiment of the present invention, the user imports acquiring unit 320 and also is used to obtain user-selected point of interest classification.Search unit 330 carries out the point of interest search according to this classification to the region of search; Display unit 340 is at the point of interest that shows on the electronic chart under this classification.Classified search through point of interest both can improve search speed, can make things convenient for the user to find the particular point of interest in the specified scope again.In addition, in the same type of point of interest that is searched, the user can also select corresponding point of interest according to the hobby of oneself.
Can in advance the point of interest on the electronic chart in the terminal be classified, for example be divided into retail shop, restaurant, parking lot, refuelling station, hotel etc.If the user need search the restaurant in certain zone; Then can on electronic chart, draw a zone through touch-screen; Selecting the type of point of interest according to screen prompt again is the restaurant; After the user imported the point of interest type that zone and user that acquiring unit 320 obtains delimitation select, search unit 330 is all restaurants of search in this selected zone automatically, and on electronic chart, show the position in each restaurant through display unit 340.
Further, for the ease of the user point of interest that searches is come into plain view, on the basis of the foregoing description, display unit 340 also is further used for the form of point of interest with tabulation shown.As the point of interest tabulation being presented at the sidebar of terminal screen, can show the details of this point of interest in the tabulation, comprise place, full name and roughly running time etc. from current location to this point of interest.When the user selectes one of them point of interest in tabulation, can on electronic chart, give prominence to the positions that show current position and this point of interest automatically through display unit 340, and generate and demonstration guidance path between the two through the terminal.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (10)
1. the method for a searching for point of interest is characterized in that, may further comprise the steps:
Obtain the zone that the user delimit on electronic chart;
Carry out the search of point of interest according to the zone of being delimited;
On said electronic chart, show the point of interest that searches.
2. method according to claim 1; It is characterized in that; Before carrying out the search of point of interest according to the zone of being delimited; Whether the curve of judges when the defined area is closed curve, if closed curve then carries out the search of point of interest with the closed region in this closed curve as the region of search.
3. method according to claim 1; It is characterized in that; If the enclosed of the curve of user when the defined area reaches preset value; Judge that then this curve is approximate closed curve, and should be similar to closed curve automatically and mend into closed curve, and the search of point of interest is carried out in the interior closed region of the closed curve after will having mended as the region of search.
4. method according to claim 3; It is characterized in that; If the curve of user when the defined area is neither closed curve; Also non-said approximate closed curve is then searched the road section that is complementary with this curve, and will be that the search of point of interest is carried out in zone in the preset range of center line as the region of search with this road section.
5. method according to claim 4 is characterized in that, before carrying out the search of point of interest according to the zone of being delimited, also comprises step:
Obtain user-selected point of interest classification, point of interest search and the point of interest under this classification of demonstration on the said electronic chart are carried out in the region of search according to this classification.
6. method according to claim 5 is characterized in that, when on said electronic chart, showing the point of interest that searches, also the form of point of interest with tabulation is shown.
7. a terminal is characterized in that, comprising:
The user imports acquiring unit, is used to obtain the zone that the user delimit on electronic chart;
Search unit is used for carrying out according to the zone of being delimited the search of point of interest;
Display unit is used on said electronic chart, showing the point of interest that searches.
8. terminal according to claim 7 is characterized in that, this terminal also comprises:
Judging unit; Be used for before said search unit searches point of interest; Whether the curve of judges when the defined area is closed curve, if closed curve then carries out the search of point of interest with the closed region in this closed curve through said search unit as the region of search.
9. terminal according to claim 7 is characterized in that, said judging unit also is used for if the enclosed of the curve of user when the defined area reaches preset value, judges that then this curve is approximate closed curve;
This terminal also comprises the benefit curved unit; Being used at said judgment unit judges curve is when being similar to closed curve; Automatically should be similar to closed curve and mend into closed curve, and the search of point of interest is carried out in the closed region in the closed curve after will having mended through said search unit as the region of search.
10. terminal according to claim 9 is characterized in that, said user imports acquiring unit and also is used to obtain user-selected point of interest classification;
Said search unit also is used for according to this classification the point of interest search being carried out in the region of search;
Said display unit also is used at the point of interest that shows on the said electronic chart under this classification that searches, and said display unit also is further used for the form of point of interest with tabulation shown.
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