CN103186528A - Method, device and mobile terminal for screening geographical information - Google Patents
Method, device and mobile terminal for screening geographical information Download PDFInfo
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- CN103186528A CN103186528A CN2011104427958A CN201110442795A CN103186528A CN 103186528 A CN103186528 A CN 103186528A CN 2011104427958 A CN2011104427958 A CN 2011104427958A CN 201110442795 A CN201110442795 A CN 201110442795A CN 103186528 A CN103186528 A CN 103186528A
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Abstract
The invention discloses a method, device and mobile terminal for screening geographical information. The method comprises the following steps: aligning a set part of the mobile terminal with a searching direction; calculating a geographical orientation corresponding to the searching direction by using the mobile terminal; determining a geographical range consistent with a screening parameter in the geographical orientation corresponding to the searching direction; and screening the geographical information in the geographical range according to a screening condition. A user can conveniently point to the direction of information to be known through the mobile terminal, and the geographical information meeting the requirement of the user can be screened by the mobile terminal according to the detected direction, so that the user can directly obtain interesting geographical information, and is not required to select the interesting geographical information from geographical information comprising massive redundant information.
Description
Technical field
The present invention relates to the location-based service technical field, especially, relate to a kind of method, device and portable terminal that screens geography information.
Background technology
At present, it generally is near the geography information of the certain distance screening assigned address when in electronic chart, screening geography information, for example, to filter out near the geography information that meets search condition this position in several kilometers after clicking some positions and importing certain search condition, this hunting zone is based on circle.But, when if the user only pays close attention to the geography information of certain specific direction, this way of search not only can not satisfy user's demand, need the user therefrom to select the geography information of needs again, reducing the user experiences, also can comprise considerable redundant information in the Search Results simultaneously, also increase the processing burden of server.
Summary of the invention
The technical matters that the present invention will solve provides a kind of method, device and portable terminal that screens geography information, the geography information that can screen specific direction.
According to an aspect of the present invention, the position align search direction that a kind of method of screening geography information comprises the portable terminal that will set has been proposed; Portable terminal calculates the corresponding geographic orientation of the direction of search; Determine to satisfy on the corresponding geographic orientation of the direction of search geographic range of screening parameter; Filter out geography information in the geographic range according to screening conditions.
According to a further aspect in the invention, also propose a kind of device that screens geography information, comprised the geographic orientation computing unit, be used for calculating the corresponding geographic orientation of aiming at the position of the portable terminal of setting of the direction of search; The geographic range determining unit links to each other with the geographic orientation computing unit, is used for determining to satisfy on the corresponding geographic orientation of the direction of search geographic range of screening parameter; Geography information screening unit links to each other with the geographic range determining unit, for the geography information that filters out according to screening conditions in the geographic range.
According to another aspect of the invention, also propose a kind of portable terminal, comprised the device that screens geography information.
The method of screening geography information provided by the invention, device and portable terminal, make the user to point to the direction that needs understanding information easily by portable terminal, portable terminal filters out the geography information of meeting consumers' demand according to detected direction again, thereby make the user can directly obtain interested geography information, need not from the geography information that comprises bulk redundancy information, to select again own interested geography information.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of an embodiment of the present invention's method of screening geography information.
Fig. 2 is the structural representation of an embodiment of the present invention's device of screening geography information.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.Exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but do not constitute improper restriction of the present invention.
Below be illustrative to the description only actually of at least one exemplary embodiment, never as any restriction to the present invention and application or use.
Fig. 1 is the schematic flow sheet of an embodiment of the present invention's method of screening geography information.
As shown in Figure 1, this embodiment can may further comprise the steps:
S102 with the position align search direction of the portable terminal set, for example, if the direction of search is direct north, then aims at direct north with the position of the portable terminal that arranges;
S104, portable terminal calculate the corresponding geographic orientation of the direction of search;
Particularly, can use the three-dimensional electronic compass of embedded in mobile phone to obtain the attitude of portable terminal, on how much, it is the ray of end points with the portable terminal that the direction of aiming at is exactly one, calculate its projection on horizontal plane and can draw corresponding geographic orientation with the angle of direct north, it still is example with the direct north, this moment, electronic compass was output as 0 degree, show that namely the direction of search is direct north, if be returned as 90 the degree be indicated as the due east direction, be returned as 180 the degree be indicated as Due South to, be returned as 270 the degree be indicated as positive west to;
S106 determines to satisfy on the corresponding geographic orientation of the direction of search geographic range of screening parameter;
Particularly, be fan-shaped as screening parameter, at first orient the position of portable terminal in map, two fan-shaped limits as the center of circle, are drawn according to the angle that arranges in this position, finally determine to satisfy the geographic range of screening conditions again according to radius;
S108, filter out geography information in the geographic range according to screening conditions, wherein, screening conditions can include but not limited to classification and the key word of geography information, for example, bank, restaurant, parking lot, bus stop etc. can be comprised, also commercial undertaking, procuratorial, judicial and public security organ, tourist attractions etc. can be comprised, also can not specify the classification of geography information during search, in all geography information, screen.
This embodiment makes the user to point to the direction that needs understanding information easily by portable terminal, portable terminal filters out the geography information of meeting consumers' demand according to detected direction again, thereby make the user can directly obtain interested geography information, need not from the geography information that comprises bulk redundancy information, to select again own interested geography information.
Wherein, before step S102, can also in portable terminal, carry out following setting:
Be provided for indicating the position of the direction of search in portable terminal inside, because portable terminal is generally bar phone, mobile phone can be considered as hexahedron, this position can be arbitrary in the portable terminal hexahedron, for example, the face at the face at the top of mobile phone, bottom, panel place or camera place;
Screening requirements according to the user arranges screening parameter, and wherein, screening parameter can include but not limited to the shape of the scope of screening and the size of screening scope, and further, the shape of screening scope can include but not limited to fan-shaped.
Be example with fan-shaped, the size of screening scope can comprise fan-shaped angle and fan-shaped radius.Fan-shaped position with the hand-held mobile terminal place is the center of circle, and angle is the summit with the fan-shaped center of circle namely, the angle that two fan-shaped limits of the ray five equilibrium of the GC group connector direction of search are formed.
Next, describe the screening process of geography information in detail by an instantiation:
(1) set in advance the top directional information direction of search of utilizing portable terminal, the screening scope is fan-shaped, and radius is one kilometer, angle 10 degree;
(2) when unlatching is searched for the terminal direction, the user points to the positive north with the top of portable terminal, portable terminal uses the GPS module to obtain the current longitude and latitude of terminal, be scaled the coordinate on the map, namely, determine the position of terminal in map, concrete conversion method depends on the employed coordinate system of map, can longitude and latitude be scaled map reference by existing ripe algorithm, be example with Google Maps, can call function G Projection in the Google Maps and directly longitude and latitude is converted to x, y coordinate in the map;
(3) read the data of electronic compass, obtain the projection of portable terminal top direction on horizontal plane, this result of calculation is a ray on the plane, because the fan-shaped angle that arranges is 10 degree, the so above-mentioned ray that calculates with the end points be the center of circle respectively clockwise and be rotated counterclockwise 5 degree, namely be two fan-shaped limits, calculate the slope on these two limits, for each bar geography information, the longitude and latitude at this geography information place is converted to the coordinate that map reference is fastened, calculate this coordinate then to the slope of the straight line in the fan-shaped center of circle, and the distance in this coordinate and the fan-shaped center of circle, as the distance less than one kilometer, slope is between the slope on fan-shaped two limits, that is, the geography information that searches out needs only on two fan-shaped limits and specifies in the radius, this geography information is exactly satisfactory so, can return to show the reading for the user.
One of ordinary skill in the art will appreciate that, whole and the part steps of realization said method embodiment can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computing equipment read/write memory medium, this program is when carrying out, execution comprises the step of said method embodiment, and aforesaid storage medium can comprise various media that can be program code stored such as ROM, RAM, magnetic disc and CD.
Fig. 2 is the structural representation of an embodiment of the present invention's device of screening geography information.
As shown in Figure 2, the device 200 among this embodiment can comprise:
Geographic orientation computing unit 202 is used for calculating the corresponding geographic orientation of aiming at the position of the portable terminal of setting of the direction of search, and wherein, the position of portable terminal can be arbitrary in the portable terminal hexahedron;
Geographic range determining unit 204, link to each other with the geographic orientation computing unit, be used for determining to satisfy on the corresponding geographic orientation of the direction of search geographic range of screening parameter, wherein, screening parameter can include but not limited to the shape of the scope of screening and the size of screening scope, and the shape of screening scope can include but not limited to fan-shaped;
Geography information screening unit 206 links to each other with the geographic range determining unit, for the geography information that filters out according to screening conditions in the geographic range.
This embodiment makes the user to point to the direction that needs understanding information easily by portable terminal with terminal direction screening geography information, directly obtains the geography information that meets user's request on this direction, improves the efficient that the user obtains information.
Portable terminal in actual applications, the device of above-mentioned screening geography information can be arranged in the portable terminal, so that can filter out the geography information of meeting consumers' demand according to the orientation that the user places terminal.
Each embodiment all adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed is and the difference of other embodiment that part identical with similar between each embodiment can cross-references.For device embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part can be referring to the explanation of method embodiment part.
Need to prove, need not the portable terminal horizontal positioned that if not horizontal positioned, then portable terminal can calculate the projection of ray on horizontal plane that represents the direction of search automatically, with the direction after this projection as the direction of search.
Though by example specific embodiments more of the present invention are had been described in detail, it should be appreciated by those skilled in the art that above example only is in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can under situation about not departing from the scope of the present invention with spirit, above embodiment be made amendment.Scope of the present invention is limited by claims.
Claims (10)
1. a method of screening geography information is characterized in that, comprising:
Position align search direction with the portable terminal set;
Described portable terminal calculates the corresponding geographic orientation of the described direction of search;
Determine to satisfy on the corresponding geographic orientation of the described direction of search geographic range of screening parameter;
Filter out geography information in the described geographic range according to screening conditions.
2. method according to claim 1 is characterized in that, described method also comprises:
Be provided for indicating the position of the described direction of search in described portable terminal inside;
According to screening requirements described screening parameter is set.
3. method according to claim 2 is characterized in that, described screening parameter comprises the shape of screening scope and the size of screening scope.
4. method according to claim 3 is characterized in that, the shape of described screening scope comprises fan-shaped.
5. method according to claim 1 is characterized in that, the position of described portable terminal is arbitrary in the described portable terminal hexahedron.
6. a device that screens geography information is characterized in that, comprising:
The geographic orientation computing unit is used for calculating the corresponding geographic orientation of aiming at the position of the portable terminal of setting of the direction of search;
The geographic range determining unit links to each other with described geographic orientation computing unit, is used for determining to satisfy on the corresponding geographic orientation of the described direction of search geographic range of screening parameter;
Geography information screening unit links to each other with described geographic range determining unit, for the geography information that filters out according to screening conditions in the described geographic range.
7. device according to claim 6 is characterized in that, described screening parameter comprises the shape of screening scope and the size of screening scope.
8. device according to claim 7 is characterized in that, the shape of described screening scope comprises fan-shaped.
9. device according to claim 6 is characterized in that, the position of described portable terminal is arbitrary in the described portable terminal hexahedron.
10. a portable terminal is characterized in that, comprises the device of each described screening geography information among the claim 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104427958A CN103186528A (en) | 2011-12-27 | 2011-12-27 | Method, device and mobile terminal for screening geographical information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104427958A CN103186528A (en) | 2011-12-27 | 2011-12-27 | Method, device and mobile terminal for screening geographical information |
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| CN103186528A true CN103186528A (en) | 2013-07-03 |
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| CN2011104427958A Pending CN103186528A (en) | 2011-12-27 | 2011-12-27 | Method, device and mobile terminal for screening geographical information |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104915393A (en) * | 2015-05-26 | 2015-09-16 | 百度在线网络技术（北京）有限公司 | Directional search method and device |
| CN105095359A (en) * | 2015-06-24 | 2015-11-25 | 深圳市美贝壳科技有限公司 | Query method and system capable of quickly acquiring food information |
| CN107491449A (en) * | 2016-06-12 | 2017-12-19 | 百度在线网络技术（北京）有限公司 | Information search method and device |
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| CN101405575A (en) * | 2006-03-27 | 2009-04-08 | 索尼爱立信移动通讯股份有限公司 | Display based on location information |
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| CN105095359A (en) * | 2015-06-24 | 2015-11-25 | 深圳市美贝壳科技有限公司 | Query method and system capable of quickly acquiring food information |
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Application publication date: 20130703 |
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