CN112784176A - Geographic positioning-based tour information acquisition method and intelligent tour system - Google Patents
Geographic positioning-based tour information acquisition method and intelligent tour system Download PDFInfo
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Abstract
The application discloses a geographical positioning-based tour information acquisition method and an intelligent tour system, wherein the method comprises the following steps: acquiring longitude and latitude information of a current position of a user; determining at least one region from the position of the user to the center of the region, wherein the region is smaller than a threshold value according to the latitude and longitude information, the region is a polygon, and the information of each vertex of the polygon and the information of the multi-deformation center point are pre-stored; determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in at least one area; feeding back information of at least one of the following to the user: identification information of an area where the user is located, and tour information of an area corresponding to the identification information. The method and the device solve the problem that the touring experience of the user is reduced due to the fact that the technology of flexibly returning different regional information of the scenic spot to the user is not disclosed in the related technology, and improve the convenience of the tourist for obtaining the information to a certain extent.
Description
Technical Field
The application relates to the field of GIS, in particular to a geographic positioning-based tour information acquisition method and an intelligent tour system.
Background
With the continuous improvement of the living standard of people, tourism has become a part of the life of people nowadays. People can find fun, relieve pressure, relax mood and open eyes by traveling.
In the prior art, a technology for flexibly returning information of different areas of a scenic spot to a user is not disclosed, so that the visiting experience of the user is reduced.
Disclosure of Invention
The application provides a method for acquiring tour information based on geographical positioning and an intelligent tour system, which aim to solve the problem that the tour experience of a user is reduced because a technology for flexibly returning information of different regions of a scenic spot to the user is not disclosed.
According to one aspect of the application, a method for acquiring tour information based on geographic positioning is provided, which comprises the following steps: acquiring longitude and latitude information of a current position of a user; determining at least one area from the position of the user to the center of the area, wherein the area is smaller than a threshold value according to the latitude and longitude information, the area is a polygon, and the information of each vertex of the polygon and the information of the multi-deformation center point are pre-stored; determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in the at least one area; feeding back information of at least one of the following to the user: the identification information of the area where the user is located and the tour information of the area corresponding to the identification information.
Further, before obtaining the latitude and longitude information of the current location of the user, the method further includes: determining a set of regions on a third-party map, wherein each region in the set of regions is not coincident with each other; for each region in the region set, determining n points, wherein the n points represent the contour information of the region after being connected by a straight line; determining a center point of the region; and storing the n points of information and the central point of information, or storing the information of the polygon formed by connecting the n points by straight lines and the information of the central point.
Furthermore, each area is a closed area and can be described by limited n points, and a central point can be determined.
Further, acquiring longitude and latitude information of the current position of the user: and acquiring the longitude and latitude information of the current position of the user under the condition that the user scans the two-dimensional code through a camera of the intelligent terminal.
Further, the tour information for the region includes at least one of: the scenic spot introduction of the area, the commercial information of the area and the guide and navigation information of the area.
According to another aspect of the present application, there is also provided an intelligent tour guide system, including: the acquisition module is used for acquiring longitude and latitude information of the current position of the user; the first determining module is used for determining at least one area from the position of the user to the center of the area, wherein the area is smaller than a threshold value according to the latitude and longitude information, the area is a polygon, and the information of each vertex of the polygon and the information of the multi-deformation center point are pre-stored; the second determining module is used for determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in the at least one area; a feedback module, configured to feed back information of at least one of the following to the user: the identification information of the area where the user is located and the tour information of the area corresponding to the identification information.
Further, still include: a third determining module, configured to determine a set of regions on a third-party map, where each region in the set of regions is not overlapped with each other; a fourth determining module, configured to determine n points for each region in the region set, where the n points are connected by a straight line and then represent contour information of the region; a fifth determining module, configured to determine a center point of the region; and the storage module is used for storing the n points of information and the central point of information, or storing the information of the polygon formed by connecting the n points by straight lines and the information of the central point.
Furthermore, each area is a closed area and can be described by limited n points, and a central point can be determined.
Further, the obtaining module is configured to obtain longitude and latitude information of a current location of the user when the user scans the two-dimensional code through a camera of the intelligent terminal.
Further, the tour information for the region includes at least one of: the scenic spot introduction of the area, the commercial information of the area and the guide and navigation information of the area.
The method comprises the following steps: acquiring longitude and latitude information of a current position of a user; determining at least one area from the position of the user to the center of the area, wherein the area is smaller than a threshold value according to the latitude and longitude information, the area is a polygon, and the information of each vertex of the polygon and the information of the multi-deformation center point are pre-stored; determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in the at least one area; feeding back information of at least one of the following to the user: the identification information of the area where the user is located and the tour information of the area corresponding to the identification information. The method and the device solve the problem that the touring experience of the user is reduced due to the fact that the technology of flexibly returning different regional information of the scenic spot to the user is not disclosed in the related technology, and improve the convenience of the tourist for obtaining the information to a certain extent.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a flow chart of a method of obtaining tour information based on geolocation in accordance with an embodiment of the present invention;
fig. 2 is a flowchart of a two-dimensional code recognition method based on geographical area positioning according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of searching for a place name by way of a map search according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a method for locating points to delineate the boundaries of a scenic region and using a straight line to link the points, according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a polygon for determining a boundary of a closed contour of a designated area according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a two-dimensional code provided according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
In this embodiment, a method for obtaining tour information based on geographic positioning is provided, and fig. 1 is a flowchart of a method for obtaining tour information based on geographic positioning according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, acquiring longitude and latitude information of the current position of a user;
step S104, determining at least one area from the position of the user to the center of the area, wherein the area is smaller than a threshold value, the area is a polygon, and the information of each vertex of the polygon and the multi-deformation center point is pre-stored;
step S106, determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in the at least one area;
step S108, feeding back at least one of the following information to the user: the identification information of the area where the user is located and the tour information of the area corresponding to the identification information.
Through the steps, the problem that the touring experience of the user is reduced due to the fact that the technology of flexibly returning different regional information of the scenic spot to the user is not disclosed in the related technology is solved, and convenience of the tourist for obtaining the information is improved to a certain extent.
Preferably, before obtaining the latitude and longitude information of the current location of the user, the method further includes: determining a set of regions on a third-party map, wherein each region in the set of regions is not coincident with each other; for each region in the region set, determining n points (i.e., vertices), wherein the n points represent the contour information of the region after being connected by straight lines (the regions connected by the straight lines may be referred to as polygons); determining a center point of the region; and storing the n points of information and the central point of information, or storing the information of the polygon formed by connecting the n points by straight lines and the information of the central point.
Preferably, each of the regions is a closed region and can be described by a limited number n of points, and a central point can be determined. If the manager of the scenic spot marks an area on the third-party map, and finds that the area cannot form a closed area through the connection of limited points or cannot determine a central point, the manager prompts the user that the area needs to be re-marked. There are many ways of determining, and this embodiment provides an alternative embodiment:
two neural network models can be trained in a machine learning mode, and the two models are obtained by training through multiple groups of training data.
The first model is obtained by training a plurality of groups of training data, each group of training data comprises input data and output data, the input data is a map area, and the output area is label information of whether a closed polygon can be formed in the area. After the first model is trained using multiple sets of training data, the model can be used. The method comprises the steps of obtaining an area marked out on a third-party map by a scenic spot manager, cutting the area into a picture, inputting the picture into a first model, and outputting whether the picture can form a closed polygon or not according to the output result of the first model, wherein the closed polygon can be described by limited n points.
The second model is obtained by training a plurality of groups of training data, each group of training data comprises input data and output data, the input data is a map area, and the output area is whether the area can obtain the label information of the central point. After the second model is trained using multiple sets of training data, the model can be used. And acquiring an area marked out on the third-party map by the scenic spot manager, intercepting the area into a picture, and inputting the picture into the second model, wherein the output result of the second model is whether the picture can obtain the central point.
In this embodiment, a code tour system can be provided to enable a user to tour through all scenic spots and places by using one two-dimensional code, and tourists can display information of the scenic spots and destinations related to the positions of the tourists through the area where the tourists are located by scanning one two-dimensional code, so that one code can be used for thousands of faces. According to the scheme in the embodiment, the scenic spot can define the own area in a customized manner on the map, and the two-dimensional code and the customized geographical area can be bound by self by throwing related information in the designated area. At this time, when the mobile terminal is used, the two-dimensional code can be scanned through a camera of the intelligent terminal, longitude and latitude information of the current position of the user can be acquired, and then the steps are carried out. The acquired tour information may be various, for example, the tour information of the area includes at least one of: the scenic spot introduction of the area, the commercial information of the area and the guide and navigation information of the area.
In this embodiment, an intelligent tour guide system is further provided, where the modules in the system correspond to the steps in the above method, which have already been discussed in the method and are not described herein again, and the system includes: the acquisition module is used for acquiring longitude and latitude information of the current position of the user; the first determining module is used for determining at least one area from the position of the user to the center of the area, wherein the area is smaller than a threshold value according to the latitude and longitude information, the area is a polygon, and the information of each vertex of the polygon and the information of the multi-deformation center point are pre-stored; the second determining module is used for determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in the at least one area; a feedback module, configured to feed back information of at least one of the following to the user: the identification information of the area where the user is located and the tour information of the area corresponding to the identification information.
Preferably, the system may further comprise: a third determining module, configured to determine a set of regions on a third-party map, where each region in the set of regions is not overlapped with each other; a fourth determining module, configured to determine n points for each region in the region set, where the n points are connected by a straight line and then represent contour information of the region; a fifth determining module, configured to determine a center point of the region; and the storage module is used for storing the n points of information and the central point of information, or storing the information of the polygon formed by connecting the n points by straight lines and the information of the central point.
Preferably, each of the regions is a closed region and can be described by a limited number n of points, and a central point can be determined.
Preferably, the obtaining module is configured to obtain longitude and latitude information of a current location of the user when the user scans the two-dimensional code through a camera of the intelligent terminal.
Preferably, the tour information of the area comprises at least one of: the scenic spot introduction of the area, the commercial information of the area and the guide and navigation information of the area.
The system solves the problem that the touring experience of the user is reduced because the technology of flexibly returning different regional information of the scenic spot to the user is not disclosed in the related technology, and improves the convenience of the tourist for obtaining the information to a certain extent.
Hereinafter, a preferred embodiment of the present application is described by taking a two-dimensional code as an example.
In order to meet the requirements of individuation and diversification of users, a code tour system is needed to be provided to enable the users to tour through a two-dimensional code to all scenic spots and places, and tourists can display the scenic spots and destination information related to the positions of the tourists through the areas where the tourists are located by scanning the two-dimensional code, so that one code can be used for thousands of faces. The two-dimensional code is widely applied to life as a convenient access mode, but the content of the traditional two-dimensional code solution is always fixed, meanwhile, the scenic spot cannot customize the own area in the aspect of a map, the related information is not flexible and convenient enough to put in the appointed area, and the problem of binding the same two-dimensional code and the customized geographic area in a flexible and convenient solution is not existed at present.
In this embodiment, a two-dimensional code identification method based on geographic area positioning is provided, including: a set of areas (target points such as scenic spots, parks, etc.) are first determined on a third party map, which areas cannot coincide with each other (in a preferred form, the areas are closed areas and consist of a single area). For each region, n points are determined, the contour information of the region is covered as much as possible, and a central point reflecting the center of the region is determined (namely, the contour of the region must be clear and can be determined by the depiction of limited n points, and a central point can be determined); connecting the non-central points of each area end to end by using straight lines to form a closed polygon, and storing the polygon information and the central point information into a system; when a user scans codes, longitude and latitude of the user are acquired, an area of a central point within a certain distance from the user is calculated, and then the polygons are traversed to calculate whether the polygons are in a certain polygon or not; and returning the identification information (id) result of the polygonal area where the user is located to the user, and obtaining the associated information of the area by the user through the id.
As a preferred embodiment, an area where the user desires to visit may be set as the target area, or an area where the user is currently located may be set as the target area. At this time, after the target area of the user is obtained, the geographic position information (longitude and latitude) of the tourist is obtained, and at least one of the following is provided according to the target area: basic information of scenic spot, information of scenic spot shopping mall, information of destination administrative region, tour guide and the like.
In this embodiment, the distance between two latitudes and longitudes needs to be calculated, and there are various ways of calculating whether the latitude and longitude point location is inside the target polygon, and in this embodiment, a way is provided as follows:
the calculation formula of the distance between the two longitude and latitude point positions is as follows:
there are also many ways to implement whether the longitude and latitude can be calculated inside the area to approximate a point inside the polygon, and in this embodiment, a core calculation code is provided according to the PNPoly algorithm, where the code is:
wherein the parameter nvert represents the number of edges of the polygon; the parameter vertx, verty represents a set of longitudes and latitudes of the polygon; the parameters testx, testy are the longitude and latitude to be detected.
The present preferred embodiment will be described below with reference to fig. 2 to 6.
Fig. 2 is a flowchart of a two-dimensional code identification method based on geographical area positioning according to an embodiment of the present invention, and as shown in fig. 2, the flowchart includes the following steps:
in step S201, an area (such as a scenic spot, a park, and other target places) is first determined on the third-party map, and the area and other areas cannot be overlapped. Fig. 3 is a schematic diagram of searching for a place name by a map search method according to an embodiment of the present invention, as shown in fig. 3, where a location of a target area on a third-party map needs to be found, the place name may be searched by a map search method, for example: ancient town scenic spot of Qing Yan.
Step S202, for each area, n points are determined, the contour information of the area is covered as much as possible, and a central point reflecting the center of the area is determined.
And step S203, connecting the non-central points of each area end to end by using straight lines to form a closed polygon, and storing the polygon information and the central point information into the system. Fig. 4 is a schematic diagram of a method for locating points to delineate the boundaries of a scenic spot and using a straight line to link the points, as shown in fig. 4, wherein the method for locating points to delineate the boundaries of a scenic spot, using a straight line to link the points and indicating the center point of the scenic spot, according to an embodiment of the present invention.
Step S204, when the user scans the code (for example, the two-dimensional code shown in fig. 6), the latitude and longitude of the user are obtained, the area of the central point within a certain distance from the user is calculated, and then the polygons are traversed to calculate whether the polygons are inside a certain polygon.
Firstly, calculating a point A of a current user code scanning and a central point set S of all areas to be searched in a database set by using a longitude and latitude distance calculation formula, and for each central point in the S:
the Distance (Distance) is calculated for each area center point by using the formula above, and the next polygon calculation is performed by using a value (e.g., 10000m, 10KM) which is obtained by extracting only the Distance less than a certain value. The resulting regions are illustrated in fig. 5.
And (3) extracting a region set which meets the Distance (Distance < ═ 100000km) in the central point position of the previous step, and judging the polygon:
the core calculation code according to the PNPoly algorithm is:
according to step S205, the information of the target scene area corresponding to the id is returned according to the id of the result obtained in step S204, which conforms to the polygon calculation formula.
The embodiment relates to a two-dimensional code identification method based on geographical area positioning and a code game system, which are used for displaying information of a related target area according to a geographical position target area where a user scans a code. The method comprises the following steps: first, a set of areas (such as target spots of scenic spots, parks and the like) is determined on a third-party map, and the areas cannot be overlapped with each other. For each region, determining n points, covering the contour information of the region as much as possible, and simultaneously determining a central point to reflect the center of the region; connecting the non-central points of each area end to end by using straight lines to form a closed polygon, and storing the polygon information and the central point information into a system; when a user scans codes, longitude and latitude of the user are acquired, an area of a central point within a certain distance from the user is calculated, and then the polygons are traversed to calculate whether the polygons are in a certain polygon or not; and returning the id result of the polygonal area where the user is located to the user, and obtaining the associated information of the area by the user through the id. The embodiment of the invention can solve the problem of judging which area (park, scenic spot and the like) a person is present in at present and show the relevant area information to the person according to the position of the present.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method for acquiring tour information based on geographic positioning is characterized by comprising the following steps:
acquiring longitude and latitude information of a current position of a user;
determining at least one area from the position of the user to the center of the area, wherein the area is smaller than a threshold value according to the latitude and longitude information, the area is a polygon, and the information of each vertex of the polygon and the information of the multi-deformation center point are pre-stored;
determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in the at least one area;
feeding back information of at least one of the following to the user: the identification information of the area where the user is located and the tour information of the area corresponding to the identification information.
2. The method of claim 1, wherein prior to obtaining latitude and longitude information of a current location of the user, the method further comprises:
determining a set of regions on a third-party map, wherein each region in the set of regions is not coincident with each other;
for each region in the region set, determining n points, wherein the n points represent the contour information of the region after being connected by a straight line;
determining a center point of the region;
and storing the n points of information and the central point of information, or storing the information of the polygon formed by connecting the n points by straight lines and the information of the central point.
3. The method of claim 2, wherein each region is a closed region and can be described by a limited number n of points, and a central point can be determined.
4. The method according to any one of claims 1 to 3, wherein latitude and longitude information of the current location of the user is obtained:
and acquiring the longitude and latitude information of the current position of the user under the condition that the user scans the two-dimensional code through a camera of the intelligent terminal.
5. A method according to any of claims 1 to 3, wherein the tour information for the area comprises at least one of:
the scenic spot introduction of the area, the commercial information of the area and the guide and navigation information of the area.
6. An intelligent tour guide system, comprising:
the acquisition module is used for acquiring longitude and latitude information of the current position of the user;
the first determining module is used for determining at least one area from the position of the user to the center of the area, wherein the area is smaller than a threshold value according to the latitude and longitude information, the area is a polygon, and the information of each vertex of the polygon and the information of the multi-deformation center point are pre-stored;
the second determining module is used for determining the area where the user is located according to the longitude and latitude information of the user and the information of each vertex and center point of the polygon of each area in the at least one area;
a feedback module, configured to feed back information of at least one of the following to the user: the identification information of the area where the user is located and the tour information of the area corresponding to the identification information.
7. The system of claim 6, further comprising:
a third determining module, configured to determine a set of regions on a third-party map, where each region in the set of regions is not overlapped with each other;
a fourth determining module, configured to determine n points for each region in the region set, where the n points are connected by a straight line and then represent contour information of the region;
a fifth determining module, configured to determine a center point of the region;
and the storage module is used for storing the n points of information and the central point of information, or storing the information of the polygon formed by connecting the n points by straight lines and the information of the central point.
8. The system of claim 7, wherein each of the regions is a closed region and can be described by a limited number n of points, and a central point can be determined.
9. The system according to any one of claims 6 to 8,
the acquiring module is used for acquiring the longitude and latitude information of the current position of the user under the condition that the user scans the two-dimensional code through a camera of the intelligent terminal.
10. The system according to any one of claims 6 to 8, wherein the tour information for the area comprises at least one of:
the scenic spot introduction of the area, the commercial information of the area and the guide and navigation information of the area.
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