CN115661852A - Map segmentation method, map segmentation device, computer-readable storage medium and processor - Google Patents
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Abstract
The invention discloses a map segmentation method, a map segmentation device, a computer readable storage medium and a processor. Wherein, the method comprises the following steps: acquiring target position information and a preset segmentation distance of a target area, wherein the target position information at least comprises: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; judging whether the points to be segmented are positioned in a target area or not according to the target boundary information, wherein the points to be segmented in the target area are map segmentation points; and dividing the target area according to the directions of longitude and latitude based on the map dividing point and the target reference point. The invention solves the technical problem that the prior art can not intuitively acquire the information of each block through the map.
Description
Technical Field
The invention relates to the field of computers, in particular to a map segmentation method, a map segmentation device, a computer-readable storage medium and a processor.
Background
At present, under the condition that a certain area on a map needs to be known by self-definition or the relation between a certain point and each point around the self-definition needs to be determined, the map needs to be manually measured and calculated, and the information of each block cannot be intuitively obtained through the map.
Aiming at the problem that the prior art can not intuitively acquire information of each parcel through a map, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a map segmentation method, a map segmentation device, a computer readable storage medium and a processor, which are used for at least solving the technical problem that information of each region block cannot be intuitively acquired through a map in the prior art.
According to an aspect of an embodiment of the present invention, there is provided a map segmentation method, including: acquiring target position information and a preset segmentation distance of a target area, wherein the target position information at least comprises: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of the preset segmentation distance; judging whether the point to be segmented is positioned in the target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; and dividing the target area in directions of longitude and latitude based on the map division point and the target reference point.
Optionally, the obtaining of the target position information and the preset segmentation distance of the target area includes: acquiring a target field input by a user and the preset segmentation distance, wherein the target field is used for indicating the target area; identifying a target datum point and target boundary information corresponding to the target field from a preset database, wherein the preset database is used for recording the corresponding relation between a preset field and a preset area; and determining the target position information according to the target reference point and the target boundary information.
Optionally, the determining a point to be segmented according to the target reference point includes: establishing a first coordinate axis according to the longitude direction and the latitude direction by taking the target reference point as a first coordinate origin; determining a first division point on the first coordinate axis, wherein the distance between the first coordinate axis and the first coordinate origin is the preset division distance; storing the first segmentation point serving as an initial segmentation point into an initial segmentation point set; and taking the initial segmentation point in the initial segmentation point set as the point to be segmented.
Optionally, after storing the first segmentation point as an initial segmentation point into an initial segmentation point set, the method further comprises: acquiring initial segmentation points in the initial segmentation point set; establishing a second coordinate axis according to the longitude direction and the latitude direction by taking the initial division point as a second coordinate origin; determining a second division point on the second coordinate axis, wherein the distance between the second division point and the first coordinate origin is the preset division distance; and storing the second segmentation point as the initial segmentation point into the initial segmentation point set.
Optionally, storing the second segmentation point as the initial segmentation point into the initial segmentation point set comprises: judging whether the initial segmentation points in the initial segmentation point set comprise the second segmentation points or not; under the condition that the second segmentation point is not included in the initial segmentation point set, taking the second segmentation point as the initial segmentation point and storing the initial segmentation point into the initial segmentation point set; and taking the initial segmentation point in the initial segmentation point set as the point to be segmented.
Optionally, the determining, according to the target boundary information, whether the point to be segmented is located in the target region includes: acquiring segmentation coordinate information of the point to be segmented; sending a query request to a preset server according to the segmentation coordinate information, wherein the query request comprises: the preset server is used for determining the target boundary information according to the target identification information and judging whether the segmentation coordinate information is in the target area or not according to the target boundary information; and receiving a query result returned by the preset server, wherein the query result is used for indicating whether the point to be segmented is in the target area.
Optionally, dividing the target area in directions of longitude and latitude based on the map division point and the target reference point comprises: determining a connecting line of the map dividing point and the target reference point in the longitude and latitude directions; determining extension lines of the map division point and the target reference point in longitude and latitude directions, wherein an intersection point of the extension line and the boundary of the target area is an end point of the extension line; and dividing the target area according to the connecting lines and the extension lines.
According to another aspect of the embodiments of the present invention, there is also provided a map dividing apparatus, including: an obtaining module, configured to obtain target location information of a target area and a preset segmentation distance, where the target location information at least includes: target reference points and target boundary information of the target area; the determining module is used for determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of the preset segmentation distance; the judging module is used for judging whether the point to be segmented is positioned in the target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; and the dividing module is used for dividing the target area according to the directions of longitude and latitude based on the map dividing point and the target reference point.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, where the computer-readable storage medium is used for storing a program, and when the program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the map segmentation method.
According to another aspect of the embodiments of the present invention, there is also provided a processor, wherein the processor is configured to run a program, and wherein the program is run to execute the map segmentation method.
In the embodiment of the present invention, target position information and a preset segmentation distance of a target area are obtained, where the target position information at least includes: target reference points and target boundary information of the target area; determining a point to be segmented according to the target datum point, wherein the distance between the point to be segmented and the target datum point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; judging whether the points to be segmented are positioned in a target area or not according to the target boundary information, wherein the points to be segmented in the target area are map segmentation points; the target area is divided according to the directions of longitude and latitude based on the map dividing points and the target reference points, so that the target area can be divided into grids according to the preset dividing distance based on the directions of longitude and latitude, the technical effect of intuitively acquiring the land parcel information of the target area is realized according to the map of the target area after grid division, and the technical problem that the information of each land parcel can not be intuitively acquired through the map in the prior art is solved.
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The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a map segmentation method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a map segmentation scheme according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a map segmentation apparatus according to an embodiment of the present invention;
fig. 4 is a block diagram of a computer terminal according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention 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 is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided a map segmentation method embodiment, it being noted that the steps illustrated in the flowchart of the figure may be performed in a computer system such as a set of computer-executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a flowchart of a map segmentation method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, acquiring target position information and a preset segmentation distance of a target area, wherein the target position information at least comprises: target reference points and target boundary information of the target area;
step S104, determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance;
step S106, judging whether the points to be segmented are in a target area or not according to the target boundary information, wherein the points to be segmented in the target area are map segmentation points;
step S108, dividing the target area according to the directions of longitude and latitude based on the map dividing point and the target reference point.
In the embodiment of the present invention, target position information and a preset segmentation distance of a target area are obtained, where the target position information at least includes: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; judging whether the point to be segmented is in a target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; the target area is divided according to the directions of longitude and latitude based on the map dividing points and the target reference points, so that the target area can be divided into grids according to the preset dividing distance based on the directions of longitude and latitude, the technical effect of intuitively acquiring the land parcel information of the target area is realized according to the map of the target area after grid division, and the technical problem that the information of each land parcel can not be intuitively acquired through the map in the prior art is solved.
In the above step S102, the target area may be an area divided on a map in advance, such as an administrative area divided on the map in advance.
In the above step S102, the target reference point may be a reference point set in advance in the target area.
For example, in the case where the target area is the Chongqing district, the target reference point may be set at the position where the Chongqing district government is located; for another example, in the case where the target area is a bridge of the Chongqing city, the target reference point may be a certain point within the bridge area of the bridge.
In the above step S102, the target reference point may also be a center point within the target area.
In the above step S102, the target boundary information is used to indicate the boundary of the target area on the map.
In step S102, the preset dividing distance may be a set value provided by the user, such as kilometers set by the user.
In step S106, the point to be divided may be a point whose distance from the target reference point in the longitude direction and the latitude direction is an integral multiple of the preset dividing distance, and the point to be divided may be located within the target area or outside the target area.
In step S108, the target reference point may be a map division point, and the mesh division of the target area may be realized by dividing the target area into a plurality of meshes in the longitude direction and the latitude direction of each map division point.
As an alternative embodiment, the acquiring the target position information and the preset dividing distance of the target area includes: acquiring a target field input by a user and a preset segmentation distance, wherein the target field is used for indicating a target area; identifying a target datum point and target boundary information corresponding to a target field from a preset database, wherein the preset database is used for recording the corresponding relation between the preset field and a preset area; and determining target position information according to the target reference points and the target boundary information.
In the above embodiment of the present invention, the preset database may be set in a preset server, the preset server may be a server providing a map function, and after the preset server obtains the target field input by the user, the preset server may query the target area indicated by the target field in the preset database, and obtain the target reference point and the target boundary information of the target area, so as to obtain the target location information of the target area, thereby obtaining the target location information.
As an alternative embodiment, the determining the point to be divided according to the target reference point includes: establishing a first coordinate axis according to the longitude direction and the latitude direction by taking the target reference point as a first coordinate origin; determining a first division point on the first coordinate axis, wherein the distance between the first division point and the first coordinate origin is a preset division distance; storing the first segmentation point serving as an initial segmentation point into an initial segmentation point set; and taking the initial segmentation points in the initial segmentation point set as points to be segmented.
In the above embodiment of the present invention, the target reference point is used as the origin point under the condition that the point to be segmented is determined, the first coordinate axis is established in the longitude and latitude directions, then 4 first segmentation points can be obtained on the first coordinate axis according to the preset segmentation distance, then the first segmentation points are stored as the initial segmentation points in the initial segmentation point set, and the points to be segmented are stored in the initial segmentation point set.
Optionally, the longitude coordinate of the first division point is the same as the longitude coordinate of the target reference point, or the latitude coordinate of the first division point is the same as the latitude coordinate of the target reference point.
It should be noted that the first point to be segmented is determined around the latitude and longitude direction of the target reference point, but as the target reference point radiates to the edge, a vacant area to be segmented may exist between the first points to be segmented, and in order to further segment the vacant area, it is necessary to re-establish a coordinate axis with the first point to be segmented as the origin to obtain a new point to be segmented.
As an alternative embodiment, after storing the first segmentation point as the initial segmentation point into the initial segmentation point set, the method further comprises: acquiring initial segmentation points in the initial segmentation point set; establishing a second coordinate axis according to the longitude direction and the latitude direction by taking the initial division point as a second coordinate origin; determining a second division point on a second coordinate axis, wherein the distance between the second division point and the origin of the first coordinate is a preset division distance; and storing the second segmentation point as an initial segmentation point into the initial segmentation point set.
In the above embodiment of the present invention, the determined initial segmentation points are stored in the initial segmentation point set, the initial segmentation points may be obtained from the initial segmentation point set, the initial segmentation points are used as a second coordinate origin, a second coordinate axis is established in a longitude and latitude direction, then the second segmentation points are obtained on the second coordinate axis according to a preset segmentation distance, and then the second segmentation points are stored in the initial segmentation point set to be used as the initial segmentation points.
The initial division points stored in the initial division point set may be first division points determined with the target reference point as the origin of coordinates, second division points determined with the first division points as the origin of coordinates, or second division points re-determined with the second division points as the origin of coordinates.
Alternatively, in a case where the second division points determined based on the initial division points are all located outside the target region, the stop is performed.
It should be noted that the second division point may overlap with the determined initial division point, and therefore, before the second division point is stored into the initial division point set again, the second division point needs to be deduplicated.
As an alternative embodiment, storing the second segmentation point as the initial segmentation point into the initial segmentation point set includes: judging whether the initial segmentation points in the initial segmentation point set comprise second segmentation points or not; under the condition that the second segmentation point is not included in the initial segmentation point set, the second segmentation point is taken as an initial segmentation point and is stored into the initial segmentation point set; and taking the initial segmentation points in the initial segmentation point set as points to be segmented.
In the above embodiment of the present invention, before storing the second division point into the initial division point set, it is necessary to detect whether the initial division point set exists at the initial division point where the second division points coincide with each other, and if so, remove the second division point; if the initial segmentation points do not exist, the second segmentation points are used as the initial segmentation points and stored in the initial segmentation point set, and repeated initial segmentation points in the initial segmentation point set are avoided.
As an optional embodiment, the determining, according to the target boundary information, whether the point to be segmented is located in the target area includes: acquiring segmentation coordinate information of a point to be segmented; sending a query request to a preset server according to the segmentation coordinate information, wherein the query request comprises: the preset server is used for determining target boundary information according to the target identification information and judging whether the segmented coordinate information is in the target area or not according to the target boundary information; and receiving a query result returned by a preset server, wherein the query result is used for indicating whether the point to be segmented is in the target area.
In the above embodiment of the present invention, the preset server may be a server providing a map function, and the preset server may detect whether the point to be divided is located in the target area according to the dividing coordinate information of the point to be divided and the target boundary information of the target area, then use the point to be divided located in the target area as a map dividing point, and divide the target area based on the map dividing point.
Alternatively, the target identification information may be used to indicate a target field of the target area.
As an alternative embodiment, the dividing the target area in the directions of longitude and latitude based on the map division point and the target reference point includes: determining connecting lines of the map dividing points and the target reference points in the longitude and latitude directions; determining extended lines of the map division point and the target reference point in the longitude and latitude directions, wherein the intersection point of the extended line and the boundary of the target area is the terminal point of the extended line; the target area is divided according to the connecting lines and the extension lines.
In the embodiment of the invention, the map division points and the target reference points, and the map division points are connected according to the longitude and latitude directions, and the available connecting lines, the longitude direction connecting lines and the latitude direction connecting lines can form grid division areas; for the boundary area of the target area, a vacant area exists near the boundary, the map division point and the target reference point, and the extension lines between the map division point and the map division point according to the longitude and latitude directions can be intersected with the boundary line of the target area, and the extension lines and the boundary line can realize the division of the boundary area of the target area.
The present invention also provides a preferred embodiment which provides a gridded map cutting scheme.
Optionally, according to the technical solution claimed in the present application, a visual interface is provided through a grid map cutting platform for a user to input a specific location, coordinates, area, and kilometer number range that the user wishes to search; when a specific position, longitude and latitude points, province, city and region are input, the kilometers are set by user, and the relation between the coordinates of the relevant points in the user-defined kilometers around the position can be known.
Optionally, when a certain coordinate point or a specific position (e.g., a target reference point of a target area) is input, the corresponding longitude and latitude are obtained, a grid is formed by automatically calculating the set kilometer number (i.e., the preset division distance) and the set longitude and latitude, and other coordinate points between the kilometer numbers are calculated by the grid
Alternatively, when a certain area (e.g., a target area) is input, a specific graph of the area and a central coordinate point (e.g., a target reference point) are mapped, a grid is calculated by a relation between a set kilometer number (i.e., a preset division distance) and the central coordinate point (e.g., the target reference point), all coordinate points in the area (e.g., the target area) are cut at a designed kilometer, and if the coordinate points are larger than edge coordinate points (e.g., target boundary information) of the area (e.g., the target area) through calculation, the grid is automatically discarded.
Optionally, the map is subjected to grid cutting by calculating according to the set number of kilometers (i.e. preset segmentation distance) through the set target area, and the point location is discarded if the point location is not in the target area.
Fig. 2 is a schematic diagram of a map segmentation scheme according to an embodiment of the present invention, as shown in fig. 2, including the following steps:
step S1, it is assumed that a specific location area input by a user on a page is a (if a target area is a), and a kilometer number input on the page is k (i.e. a preset segmentation distance is k).
And S2, calling the map SDK according to a to obtain the longitude and latitude where a is located, namely obtaining the target position information of the target area, such as the longitude and latitude coordinates of the target datum point of the target area.
And S3, respectively constructing two-dimensional coordinate axes (namely establishing a first coordinate axis) to four quadrants by taking k as the length of the coordinate axes according to the obtained longitude and latitude as a central point (namely taking the target reference point as a first coordinate origin).
And S4, obtaining four coordinate points o, p, q and r located on the x axis and the y axis (namely obtaining an initial segmentation point), and judging whether o, p, q and r are located in the area a or not according to the map SDK.
And S5, if a certain point is outside the target area, excluding the point, otherwise, putting the point into a de-duplication cache (namely, storing the de-duplicated division point serving as an initial division point into an initial division point set).
And S6, sequentially taking the points cached in the o, p, q and r as central points to continuously construct coordinate axes (namely, taking the initial segmentation points as second coordinate origins and establishing second coordinate axes according to the longitude direction and the latitude direction) so as to form a grid, wherein each coordinate point (namely, each initial segmentation point) can be sequentially calculated to obtain four newly-obtained coordinate points (namely, the second segmentation points).
For example, the point location (x, y) of the initial segmentation point may be obtained as (x + k, y), (x-k, y), (x, y + k), (x, y-k) of new four points (i.e., the second segmentation point), and the new four points are deduplicated with all similarly calculated point locations, so as to find out the relationship between points within the custom kilometer (i.e., the preset segmentation distance).
And S7, repeating the steps S4, S5 and S6 to construct the grid, and stopping constructing the grid until all the points are outside the target area.
And S8, the remaining points in the deduplication cache at this time are point sets with kilometers between points in the area a as k.
In the embodiment of the invention, the image is compressed into two dimensions and the coordinates of each point of the grid graph are calculated and drawn through calculation according to the edge point position of a certain point and a certain area, then geographical cutting is carried out, all coordinate (longitude and latitude) points cut according to the set kilometer number in the area can be quickly reflected through inputting a certain specific position and setting the cut kilometer number, all coordinate points of the kilometer number around the position can be quickly calculated through inputting a certain coordinate point and setting the cut kilometer number, and other coordinate points among the kilometer numbers around the coordinate point can be quickly calculated through inputting a certain coordinate point and setting the cut kilometer number.
According to an embodiment of the present invention, an embodiment of a map dividing apparatus is further provided, and it should be noted that the map dividing apparatus may be configured to execute the map dividing method in the embodiment of the present invention, and the map dividing method in the embodiment of the present invention may be executed in the map dividing apparatus.
Fig. 3 is a schematic diagram of a map segmenting apparatus according to an embodiment of the present invention, and as shown in fig. 3, the apparatus may include: an obtaining module 32, configured to obtain target position information of a target area and a preset segmentation distance, where the target position information at least includes: target reference points and target boundary information of the target area; the determining module 34 is configured to determine a point to be segmented according to the target reference point, where a distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; the judging module 36 is configured to judge whether the point to be segmented is located in the target area according to the target boundary information, where the point to be segmented in the target area is a map segmentation point; and a dividing module 38, configured to divide the target area according to the directions of longitude and latitude based on the map dividing point and the target reference point.
It should be noted that the obtaining module 32 in this embodiment may be configured to execute the step S102 in this embodiment, the determining module 34 in this embodiment may be configured to execute the step S104 in this embodiment, the determining module 36 in this embodiment may be configured to execute the step S106 in this embodiment, and the dividing module 38 in this embodiment may be configured to execute the step S108 in this embodiment. The modules are the same as the corresponding steps in the realized examples and application scenarios, but are not limited to the disclosure of the above embodiments.
In the embodiment of the present invention, target position information and a preset segmentation distance of a target area are obtained, where the target position information at least includes: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; judging whether the point to be segmented is in a target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; the target area is divided according to the directions of longitude and latitude based on the map dividing points and the target reference points, so that the target area can be divided into grids according to the preset dividing distance based on the directions of longitude and latitude, the technical effect of intuitively acquiring the land parcel information of the target area is realized according to the map of the target area after grid division, and the technical problem that the information of each land parcel can not be intuitively acquired through the map in the prior art is solved.
As an alternative embodiment, the obtaining module includes: the device comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring a target field input by a user and a preset segmentation distance, and the target field is used for indicating a target area; the identification unit is used for identifying a target datum point and target boundary information corresponding to a target field from a preset database, wherein the preset database is used for recording the corresponding relation between the preset field and a preset area; and a first determining unit for determining target position information based on the target reference point and the target boundary information.
As an alternative embodiment, the determining module includes: the second coordinate unit is used for establishing a first coordinate axis according to the longitude direction and the latitude direction by taking the target reference point as a first coordinate origin; the second determining unit is used for determining a first division point of which the distance from the first coordinate origin is a preset division distance on the first coordinate axis; the first storage unit is used for storing the first segmentation point serving as an initial segmentation point into an initial segmentation point set; and the third determining unit is used for taking the initial segmentation points in the initial segmentation point set as the points to be segmented.
As an alternative embodiment, the apparatus further comprises: the acquisition unit is used for acquiring the initial segmentation points in the initial segmentation point set after the first segmentation points are used as the initial segmentation points and stored in the initial segmentation point set; the first coordinate unit is used for establishing a second coordinate axis according to the longitude direction and the latitude direction by taking the initial segmentation point as a second coordinate origin; a fourth determining unit, configured to determine, on the second coordinate axis, a second division point whose distance from the first coordinate origin is a preset division distance; and the second storage unit is used for storing the second segmentation point serving as the initial segmentation point into the initial segmentation point set.
As an alternative embodiment, the second storage unit includes: the judging subunit is used for judging whether the initial segmentation points in the initial segmentation point set comprise second segmentation points or not; the storage subunit is used for storing the second segmentation point serving as the initial segmentation point into the initial segmentation point set under the condition that the second segmentation point is not included in the initial segmentation point set; and the determining subunit is used for taking the initial segmentation points in the initial segmentation point set as the points to be segmented.
As an alternative embodiment, the determining module includes: the second acquisition unit is used for acquiring the segmentation coordinate information of the point to be segmented; the query unit is used for sending a query request to a preset server according to the segmentation coordinate information, wherein the query request comprises: the preset server is used for determining target boundary information according to the target identification information and judging whether the divided coordinate information is in the target area or not according to the target boundary information; and the receiving unit is used for receiving a query result returned by the preset server, wherein the query result is used for indicating whether the point to be segmented is in the target area.
As an alternative embodiment, the segmentation module comprises: the first determining submodule is used for determining connecting lines of the map dividing points and the target reference points in the longitude and latitude directions; the second determining submodule is used for determining extended lines of the map division point and the target reference point in the longitude and latitude directions, wherein the intersection point of the extended line and the boundary of the target area is an end point of the extended line; and the division submodule is used for dividing the target area according to the connecting line and the extension line.
The embodiment of the invention can provide a computer terminal which can be any computer terminal device in a computer terminal group. Optionally, in this embodiment, the computer terminal may also be replaced with a terminal device such as a mobile terminal.
Optionally, in this embodiment, the computer terminal may be located in at least one network device of a plurality of network devices of a computer network.
In this embodiment, the computer terminal may execute program codes of the following steps in the map segmentation method: acquiring target position information and a preset segmentation distance of a target area, wherein the target position information at least comprises: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; judging whether the point to be segmented is in a target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; and dividing the target area according to the directions of longitude and latitude based on the map dividing point and the target reference point.
Alternatively, fig. 4 is a block diagram of a computer terminal according to an embodiment of the present invention. As shown in fig. 4, the computer terminal 40 may include: one or more (only one shown) processors 42, and a memory 44.
The memory may be used to store software programs and modules, such as program instructions/modules corresponding to the map segmentation method and apparatus in the embodiments of the present invention, and the processor executes various functional applications and data processing by running the software programs and modules stored in the memory, so as to implement the map segmentation method. The memory may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory may further include memory located remotely from the processor, which may be connected to the terminal 40 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor can call the information and application program stored in the memory through the transmission device to execute the following steps: acquiring target position information and a preset segmentation distance of a target area, wherein the target position information at least comprises: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; judging whether the point to be segmented is in a target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; and dividing the target area according to the directions of longitude and latitude based on the map dividing point and the target reference point.
Optionally, the processor may further execute the program code of the following steps: acquiring a target field input by a user and a preset segmentation distance, wherein the target field is used for indicating a target area; identifying a target datum point and target boundary information corresponding to a target field from a preset database, wherein the preset database is used for recording the corresponding relation between the preset field and a preset area; and determining target position information according to the target reference points and the target boundary information.
Optionally, the processor may further execute the program code of the following steps: establishing a first coordinate axis according to the longitude direction and the latitude direction by taking the target reference point as a first coordinate origin; determining a first division point on the first coordinate axis, wherein the distance between the first division point and the first coordinate origin is a preset division distance; storing the first segmentation point serving as an initial segmentation point into an initial segmentation point set; and taking the initial segmentation points in the initial segmentation point set as points to be segmented.
Optionally, the processor may further execute the program code of the following steps: after the first segmentation point is used as an initial segmentation point and stored in an initial segmentation point set, acquiring the initial segmentation point in the initial segmentation point set; establishing a second coordinate axis according to the longitude direction and the latitude direction by taking the initial division point as a second coordinate origin; determining a second division point on a second coordinate axis, wherein the distance between the second division point and the origin of the first coordinate is a preset division distance; and storing the second segmentation point as an initial segmentation point into the initial segmentation point set.
Optionally, the processor may further execute the program code of the following steps: judging whether the initial segmentation points in the initial segmentation point set comprise second segmentation points or not; under the condition that the initial segmentation point set does not comprise the second segmentation point, the second segmentation point is taken as the initial segmentation point and is stored into the initial segmentation point set; and taking the initial segmentation points in the initial segmentation point set as points to be segmented.
Optionally, the processor may further execute the program code of the following steps: acquiring segmentation coordinate information of a point to be segmented; sending a query request to a preset server according to the segmentation coordinate information, wherein the query request comprises: the preset server is used for determining target boundary information according to the target identification information and judging whether the segmented coordinate information is in the target area or not according to the target boundary information; and receiving a query result returned by a preset server, wherein the query result is used for indicating whether the point to be segmented is in the target area.
Optionally, the processor may further execute the program code of the following steps: determining connecting lines of the map dividing points and the target reference points in the longitude and latitude directions; determining extended lines of the map division point and the target reference point in the longitude and latitude directions, wherein the intersection point of the extended line and the boundary of the target area is the terminal point of the extended line; the target area is divided according to the connecting lines and the extension lines.
The embodiment of the invention provides a map segmentation scheme. By acquiring target position information and a preset segmentation distance of a target area, the target position information at least comprises: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of a preset segmentation distance; judging whether the point to be segmented is in a target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; the target area is divided according to the directions of longitude and latitude based on the map dividing points and the target reference points, so that grid division can be performed on the target area according to the preset dividing distance based on the directions of longitude and latitude, the technical effect of intuitively acquiring the land parcel information of the target area is realized according to the map of the target area after grid division, and the technical problem that the information of each land parcel can not be intuitively acquired through the map in the prior art is solved.
It can be understood by those skilled in the art that the structure shown in fig. 4 is only an illustration, and the computer terminal may also be a terminal device such as a smart phone (e.g., an Android phone, an iOS phone, etc.), a tablet computer, a palmtop computer, a Mobile Internet Device (MID), a PAD, and the like. Fig. 4 is a diagram illustrating the structure of the electronic device. For example, the computer terminal 40 may also include more or fewer components (e.g., network interfaces, display devices, etc.) than shown in FIG. 4, or have a different configuration than shown in FIG. 4.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by a program instructing hardware associated with the terminal device, where the program may be stored in a computer-readable storage medium, and the storage medium may include: flash disks, read-Only memories (ROMs), random Access Memories (RAMs), magnetic or optical disks, and the like.
Embodiments of the present invention also provide a computer-readable storage medium. Alternatively, in this embodiment, the storage medium may be configured to store program codes executed by the map segmentation method provided in the above embodiment.
Optionally, in this embodiment, the computer-readable storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: acquiring target position information and a preset segmentation distance of a target area, wherein the target position information at least comprises: target reference points and target boundary information of the target area; determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of the preset segmentation distance; judging whether the point to be segmented is positioned in the target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point; and dividing the target area in directions of longitude and latitude based on the map division point and the target reference point.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: acquiring a target field input by a user and the preset segmentation distance, wherein the target field is used for indicating the target area; identifying a target datum point and target boundary information corresponding to the target field from a preset database, wherein the preset database is used for recording the corresponding relation between a preset field and a preset area; and determining the target position information according to the target reference point and the target boundary information.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: establishing a first coordinate axis according to the longitude direction and the latitude direction by taking the target reference point as a first coordinate origin; determining a first division point on the first coordinate axis, wherein the distance between the first coordinate axis and the first coordinate origin is the preset division distance; storing the first segmentation point serving as an initial segmentation point into an initial segmentation point set; and taking the initial segmentation point in the initial segmentation point set as the point to be segmented.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: after the first segmentation point is used as an initial segmentation point and stored in an initial segmentation point set, acquiring an initial segmentation point in the initial segmentation point set; establishing a second coordinate axis according to the longitude direction and the latitude direction by taking the initial division point as a second coordinate origin; determining a second division point on the second coordinate axis, wherein the distance between the second division point and the first coordinate origin is the preset division distance; and storing the second segmentation point as the initial segmentation point into the initial segmentation point set.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: judging whether the initial segmentation points in the initial segmentation point set comprise the second segmentation points or not; under the condition that the second segmentation point is not included in the initial segmentation point set, taking the second segmentation point as the initial segmentation point and storing the initial segmentation point into the initial segmentation point set; and taking the initial segmentation point in the initial segmentation point set as the point to be segmented.
Optionally, in this embodiment, a computer-readable storage medium is configured to store program code for performing the steps of: acquiring segmentation coordinate information of the point to be segmented; sending a query request to a preset server according to the segmentation coordinate information, wherein the query request comprises: the preset server is used for determining the target boundary information according to the target identification information and judging whether the segmentation coordinate information is in the target area or not according to the target boundary information; and receiving a query result returned by the preset server, wherein the query result is used for indicating whether the point to be segmented is in the target area.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: determining a connecting line of the map dividing point and the target reference point in the longitude and latitude directions; determining extension lines of the map division point and the target reference point in longitude and latitude directions, wherein an intersection point of the extension line and the boundary of the target area is an end point of the extension line; and dividing the target area according to the connecting lines and the extension lines.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A map segmentation method, comprising:
acquiring target position information and a preset segmentation distance of a target area, wherein the target position information at least comprises: target reference points and target boundary information for the target area;
determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of the preset segmentation distance;
judging whether the point to be segmented is located in the target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point;
and dividing the target area in directions of longitude and latitude based on the map division point and the target reference point.
2. The method of claim 1, wherein obtaining the target location information and the preset segmentation distance of the target area comprises:
acquiring a target field input by a user and the preset segmentation distance, wherein the target field is used for indicating the target area;
identifying a target datum point and target boundary information corresponding to the target field from a preset database, wherein the preset database is used for recording the corresponding relation between a preset field and a preset area;
and determining the target position information according to the target reference point and the target boundary information.
3. The method of claim 1, wherein determining points to be segmented from the target reference points comprises:
establishing a first coordinate axis according to the longitude direction and the latitude direction by taking the target reference point as a first coordinate origin;
determining a first division point on the first coordinate axis, wherein the distance between the first coordinate axis and the first coordinate origin is the preset division distance;
storing the first segmentation point serving as an initial segmentation point into an initial segmentation point set;
and taking the initial segmentation point in the initial segmentation point set as the point to be segmented.
4. The method of claim 3, wherein after storing the first segmentation point as an initial segmentation point into an initial set of segmentation points, the method further comprises:
acquiring initial segmentation points in the initial segmentation point set;
establishing a second coordinate axis according to the longitude direction and the latitude direction by taking the initial division point as a second coordinate origin;
determining a second division point on the second coordinate axis, wherein the distance between the second division point and the first coordinate origin is the preset division distance;
and storing the second segmentation point as the initial segmentation point into the initial segmentation point set.
5. The method of claim 4, wherein storing the second segmentation point as the initial segmentation point into the set of initial segmentation points comprises:
judging whether the initial segmentation points in the initial segmentation point set comprise the second segmentation points or not;
under the condition that the second segmentation point is not included in the initial segmentation point set, taking the second segmentation point as the initial segmentation point and storing the initial segmentation point into the initial segmentation point set;
and taking the initial segmentation point in the initial segmentation point set as the point to be segmented.
6. The method of claim 1, wherein determining whether the point to be segmented is within the target region according to the target boundary information comprises:
acquiring segmentation coordinate information of the point to be segmented;
sending a query request to a preset server according to the segmentation coordinate information, wherein the query request comprises: the preset server is used for determining the target boundary information according to the target identification information and judging whether the segmentation coordinate information is in the target area or not according to the target boundary information;
and receiving a query result returned by the preset server, wherein the query result is used for indicating whether the point to be segmented is in the target area.
7. The method of claim 1, wherein segmenting the target area in directions of longitude and latitude based on the map segmentation point and the target reference point comprises:
determining a connecting line of the map dividing point and the target reference point in the longitude and latitude directions;
determining extension lines of the map division point and the target reference point in longitude and latitude directions, wherein an intersection point of the extension line and the boundary of the target area is an end point of the extension line;
and dividing the target area according to the connecting lines and the extension lines.
8. A map division apparatus, comprising:
an obtaining module, configured to obtain target location information of a target area and a preset segmentation distance, where the target location information at least includes: target reference points and target boundary information of the target area;
the determining module is used for determining a point to be segmented according to the target reference point, wherein the distance between the point to be segmented and the target reference point in the longitude direction and the latitude direction is an integral multiple of the preset segmentation distance;
the judging module is used for judging whether the point to be segmented is positioned in the target area or not according to the target boundary information, wherein the point to be segmented in the target area is a map segmentation point;
and the dividing module is used for dividing the target area according to the directions of longitude and latitude based on the map dividing point and the target reference point.
9. A computer-readable storage medium, for storing a program, wherein when the program runs, the computer-readable storage medium controls a device to execute the map segmentation method according to any one of claims 1 to 7.
10. A processor configured to run a program, wherein the program is configured to execute the map segmentation method according to any one of claims 1 to 7 when the program is run.
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