CN111143500B - Visual area calculation method, terminal, control device and storage medium - Google Patents
Visual area calculation method, terminal, control device and storage medium Download PDFInfo
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Abstract
According to the visual area calculation method, the terminal, the control equipment and the storage medium, the area to be measured on the map is divided into grids with known and equal areas, so that a new map is obtained; acquiring positioning information uploaded by a terminal, determining a personnel action track route by using the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids; the invention further discloses a method for displaying the patrol area of the personnel, which comprises the steps of dividing the area to be detected into grids with known and equal areas, displaying the grids corresponding to the action track route of the personnel on a new map, and counting the number of the grids to conveniently determine the patrol area corresponding to the whole action track of the personnel.
Description
Technical Field
The present invention relates to terminal technologies, and in particular, to a method for calculating a visualization area, a terminal, a control device, and a storage medium.
Background
A geographic information system (Geographic Information System, abbreviated as GIS) is a particular very important spatial information system. The system is a technical system for collecting, storing, managing, operating, analyzing, displaying and describing the related geographic distribution data in the whole or partial earth surface (including atmosphere) space under the support of a computer hard and software system.
Regarding the area calculation problem in the existing GIS system, the area to be calculated is generally calculated in the field according to the actual requirement, and then the calculated area data is stored in a space database for retrieval by a user. However, the method can only inquire the area of the specific area stored in the database, the area calculation is not flexible enough, and the visual display of the image can not be provided for the user.
Therefore, a new visual area calculation method is needed to solve the problem that the area calculation in the prior art is not flexible enough and cannot be intuitively displayed.
Disclosure of Invention
In view of the above problems, the present invention provides a method, a terminal, a control device, and a storage medium for calculating a visualized area.
In a first aspect, the present invention provides a method for calculating a visualized area, including:
dividing the region to be detected on the map into grids with known and equal areas so as to obtain a new map;
and acquiring positioning information uploaded by the terminal, determining a personnel action track route by using the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids.
In other optional embodiments, the dividing the area to be measured on the map into grids with known and equal areas includes:
acquiring the actual range of the region to be measured on the map;
obtaining a region to be treated according to the actual range and the preset proportion;
dividing the region to be processed into grids with known and equal areas, and obtaining a gridded region layer to be processed;
and merging the gridded to-be-processed area layers into the to-be-detected area on the map to generate a new map.
In other optional embodiments, the dividing the area to be treated into grids with known and equal areas includes:
dividing the area to be processed into grids with known and equal areas, storing grid data, converting the grid data into map vector surface data, and obtaining a gridded area map layer according to the map vector surface data.
In other optional embodiments, the merging the gridded to-be-processed area layer into the to-be-detected area on the map includes:
and setting a plurality of matching points on the to-be-processed area layer and the to-be-detected area on the map, and merging the to-be-processed area layer into the to-be-detected area on the map according to the matching points.
In other alternative embodiments, the grid is a myriad of cells grid.
In a second aspect, the present invention provides a terminal, comprising:
the first processing module is used for dividing the region to be detected on the map into grids with known and equal areas so as to obtain a new map;
and the second processing module is used for acquiring the positioning information uploaded by the terminal, determining a personnel action track route by utilizing the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids.
In other optional embodiments, the first processing module is specifically configured to:
acquiring the actual range of the region to be measured on the map;
obtaining a region to be treated according to the actual range and the preset proportion;
dividing the region to be processed into grids with known and equal areas, and obtaining a gridded region layer to be processed;
and merging the gridded to-be-processed area layers into the to-be-detected area on the map to generate a new map.
In other optional embodiments, the first processing module is specifically configured to:
dividing the area to be processed into grids with known and equal areas, storing grid data, converting the grid data into map vector surface data, and obtaining a gridded area map layer according to the map vector surface data.
In a third aspect, the present invention provides a control apparatus comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing computer-executable instructions stored in the memory causes the at least one processor to perform the method of visualized area calculation of any of the preceding claims.
In a fourth aspect, the present invention provides a readable storage medium having stored therein computer-executable instructions which, when executed by a processor, implement the method of calculating a visualized area according to any one of the preceding claims.
According to the visual area calculation method, the terminal, the control equipment and the storage medium, the area to be measured on the map is divided into grids with known and equal areas, so that a new map is obtained; acquiring positioning information uploaded by a terminal, determining a personnel action track route by using the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids; the invention further discloses a method for displaying the patrol area of the personnel, which comprises the steps of dividing the area to be detected into grids with known and equal areas, displaying the grids corresponding to the action track route of the personnel on a new map, and counting the number of the grids to conveniently determine the patrol area corresponding to the whole action track of the personnel.
Drawings
FIG. 1 is a schematic view of an application scenario according to the present invention;
FIG. 2 is a schematic flow chart of a method for calculating a visualized area according to the present invention;
FIG. 3 is a flow chart of another method for calculating a visualized area according to the present invention;
FIG. 4 is a schematic diagram of a measuring area according to the present invention;
FIG. 5 is a schematic illustration of a personnel inspection area on which the present invention is based;
fig. 6 is a schematic structural diagram of a terminal according to the present invention;
fig. 7 is a schematic hardware structure of a control device according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings in the present invention examples.
A geographic information system (Geographic Information System, abbreviated as GIS) is a particular very important spatial information system. The system is a technical system for collecting, storing, managing, operating, analyzing, displaying and describing the related geographic distribution data in the whole or partial earth surface (including atmosphere) space under the support of a computer hard and software system.
In the existing GIS system, the area calculation problem is that the area to be calculated is calculated in the field according to the actual requirement, and then the calculated area data is stored in a space database for the user to inquire, but the area of a specific area in the database can only be calculated in the mode, if the user wants to calculate the sum of the areas of the area A and the area B, the area calculation is not flexible enough; secondly, the method has no visual display of specific areas, such as 39.78 square kilometers, and a user can hardly intuitively feel how large the area is; finally, the method is carried out at the server side, and resources of the server side are consumed.
The existing GIS system also has another area calculation method, namely, complex geometric operation can be carried out on the area to be calculated on the map, and the mathematical calculus principle and function call are involved.
Fig. 1 is a schematic view of an application scenario on which the present invention is based, as shown in fig. 1, when a worker performs a tour according to a track route from a start point to an end point within the range of the area a-B to be tested, the tour area cannot be intuitively displayed to the worker by adopting the prior art.
The invention provides a visual area calculation method for solving the problems that area calculation is not flexible enough and visual display is not possible in the prior art.
In a first aspect, an example of the present invention provides a method for calculating a visual area, and fig. 2 is a schematic flow chart of the method for calculating a visual area provided by the present invention.
As shown in fig. 2, the method for calculating the visualized area includes:
step 101, dividing the region to be measured on the map into grids with known and equal areas so as to obtain a new map.
Specifically, assuming that a worker needs to patrol an area of a certain area to be tested on a map, the area of the area to be tested can be divided into grids, wherein the areas of the grids are known and equal, the grids can be square, triangle, hexagon and the like, and the map after the grid division is used as a new map.
Step 102, obtaining positioning information uploaded by a terminal, determining a personnel action track route by using the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids.
Preferably, the grid is a myriad meter unit grid, i.e. in this case one grid on the map represents 1 myriad square meters, and the visual range of the human eye is typically around 100 meters. The staff holds the terminal, the terminal opens the positioning navigation system, acquires a plurality of pieces of positioning information of the terminal in real time, determines the action track route of the staff, displays grids penetrated by the action track route of the staff on a map, and the penetrated grids are the patrol area of the staff, so that the patrol area of the staff can be intuitively and vividly displayed.
In addition, it should be noted that the terminal is used to execute the above embodiment of the present invention. Compared with the prior art, the method needs to be carried out at the server side, and resources of the server side are saved.
According to the visual area calculation method provided by the invention, the area to be measured on the map is divided into grids with known and equal areas, so that a new map is obtained; acquiring positioning information uploaded by a terminal, determining a personnel action track route by using the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids; the invention further discloses a method for displaying the patrol area of the personnel, which comprises the steps of dividing the area to be detected into grids with known and equal areas, displaying the grids corresponding to the action track route of the personnel on a new map, and counting the number of the grids to conveniently determine the patrol area corresponding to the whole action track of the personnel.
With reference to the foregoing implementations, fig. 3 is a schematic flow chart of another method for calculating a visual area according to the present invention, as shown in fig. 3, where the method for calculating a visual area includes:
step 201, obtaining the actual range of the area to be measured on the map.
Specifically, a simple length and width distance calculation can be performed on the area to be measured by using a calculation tool in the map processing tool.
And 202, obtaining a region to be treated according to the actual range and the preset proportion.
Specifically, a region in proportion to the above-mentioned actual range may be drawn as the region to be processed by using software such as CAD.
And 203, dividing the area to be processed into grids with known and equal areas, and obtaining a gridded area map layer to be processed.
Specifically, the area to be processed may be gridded in a unit grid array manner by using software such as CAD, so as to obtain a gridded layer of the area to be processed.
As an alternative example, one implementation of step 203 is as follows:
dividing the area to be processed into grids with known and equal areas, storing grid data, converting the grid data into map vector surface data, and obtaining a gridded area map layer according to the map vector surface data.
Specifically, when the area to be processed is grid-divided by using a cell grid array in CAD, grid data is stored, and at this time, the grid data is line data, topology processing and topology surface construction processing are required to be performed on the grid data, the original line data is converted into vector surface data, and the vector surface data is used as a layer.
And 204, merging the gridded to-be-processed area layer into the to-be-detected area on the map to generate a new map.
As an alternative embodiment, one implementation of step 204 is as follows: and setting a plurality of matching points on the to-be-processed area layer and the to-be-detected area on the map, and merging the to-be-processed area layer into the to-be-detected area on the map according to the matching points.
Specifically, several matching points, for example, 4 matching points, are determined on the to-be-processed area layer, corresponding several matching points are also determined on the to-be-processed area, and then the gridded to-be-processed area layer is used as a transparent layer to cover the to-be-processed area map, so that a new map is generated.
Step 205, obtaining positioning information uploaded by the terminal, determining a personnel action track route by using the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids.
Step 205 in this embodiment is similar to the implementation of step 102 in the previous embodiment, and will not be described here.
Different from the foregoing embodiment, this embodiment further defines a specific process of how to grid-divide the map on the area to be measured, and in this embodiment, the actual range of the area to be measured on the map is obtained; obtaining a region to be treated according to the actual range and the preset proportion; dividing the region to be processed into grids with known and equal areas, and obtaining a gridded region layer to be processed; and merging the gridded to-be-processed area layers into the to-be-detected area on the map to generate a new map.
For example, firstly, a measuring tool in a map processing tool is used to simply measure a region to be measured, fig. 4 is a schematic diagram of measuring an actual range of the region to be measured according to the present invention, and as shown in fig. 4, an actual length of 5455 meters and an actual width of 3909 meters of the region to be measured are obtained; then, drawing a grid according to the calculated actual length and width distances by using CAD software, wherein the map unit of CAD is 1 millimeter to represent one meter on the map, so that two orthogonal lines with the length of 5455 millimeters and the width of 3909 millimeters can be drawn on the CAD, then, the two lines are respectively arranged in a row offset 100 and a column offset 100, the straight lines after the array are intersected into a square with 10000 square millimeters, and the square is represented as a grid of a universal meter unit on the map; storing the data, importing the data into a map data processing tool, such as idesktop software, performing topology processing and topology surface processing on the data, and converting the original line data into vector surface data; matching the vector surface data with a coordinate system of an original map, simultaneously selecting four matching points for registration, taking the vector surface data as a layer to be covered with a region to be detected, generating a new map, and reissuing map services; the method comprises the steps of obtaining a movement track route of a person, displaying map grids penetrated by the movement track route of the person on a map, wherein fig. 5 is a schematic diagram of a person inspection area based on the method, and the grids penetrated by the movement track route of the person are visual areas of the person inspection, can be intuitively displayed, and can determine the inspection area of the person by counting the number of the grids, as shown in fig. 5.
In addition, a worker can draw any polygon on the map of the terminal, and count how many grids are contained in the polygon, namely the area calculation of the invention example corresponding to the prior art is flexible.
According to the visual area calculation method provided by the invention, the actual range of the area to be measured on the map is obtained; determining a region to be treated according to the actual range and a preset proportion; dividing the region to be processed into grids with known and equal areas, and obtaining a gridded region layer to be processed; combining the gridded to-be-processed area layer into the to-be-detected area on the map to generate a new map; the method comprises the steps of obtaining positioning information uploaded by a terminal, determining a personnel action track route by utilizing the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids, namely, the example of the invention displays grids corresponding to the personnel action track route on the new map after dividing the region to be detected into grids with known and equal areas, thereby realizing the area of intuitively displaying the personnel inspection range, and conveniently determining the inspection area corresponding to the whole action track of the personnel by counting the number of the grids.
In a second aspect, an example of the present invention provides a terminal, and fig. 6 is a schematic structural diagram of a terminal provided in the present invention, as shown in fig. 6, where the terminal includes:
the first processing module 10 is configured to divide an area to be measured on the map into grids with known and equal areas, so as to obtain a new map;
and the second processing module 20 is configured to obtain the positioning information uploaded by the terminal, determine a path of a person action track according to the positioning information, display grids penetrated by the path of the person action track on the new map, and count the number of the penetrated grids.
In other alternative embodiments, the first processing module 10 is specifically configured to: acquiring the actual range of the region to be measured on the map; obtaining a region to be treated according to the actual range and the preset proportion; dividing the region to be processed into grids with known and equal areas, and obtaining a gridded region layer to be processed; and merging the gridded to-be-processed area layers into the to-be-detected area on the map to generate a new map.
In other alternative embodiments, the first processing module 10 is specifically configured to: dividing the area to be processed into grids with known and equal areas, storing grid data, converting the grid data into map vector surface data, and obtaining a gridded area map layer according to the map vector surface data.
In other alternative embodiments, the first processing module 10 is specifically configured to: and setting a plurality of matching points on the to-be-processed area layer and the to-be-detected area on the map, and merging the to-be-processed area layer into the to-be-detected area on the map according to the matching points.
In other alternative embodiments, the grid is a myriad of cells grid.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process and corresponding beneficial effects of the control device described above may refer to the corresponding process in the foregoing method example, which is not described herein again.
According to the terminal provided by the invention, the region to be detected on the map is divided into grids with known and equal areas through the first processing module, so that a new map is obtained; the second processing module acquires the positioning information uploaded by the terminal, determines a personnel action track route by using the positioning information, displays grids penetrated by the personnel action track route on the new map, and counts the number of the penetrated grids; the invention further discloses a method for displaying the patrol area of the personnel, which comprises the steps of dividing the area to be detected into grids with known and equal areas, displaying the grids corresponding to the action track route of the personnel on a new map, and counting the number of the grids to conveniently determine the patrol area corresponding to the whole action track of the personnel.
In a third aspect, an example of the present invention provides a control device, and fig. 7 is a schematic hardware structure of the control device provided by the present invention, where, as shown in fig. 7, the control device provided by the example of the present invention is disposed on a terminal side, and includes:
at least one processor 701 and a memory 702.
In a specific implementation process, at least one processor 701 executes computer-executable instructions stored in the memory 702, so that the at least one processor 701 executes the above method for calculating a visualization area, where the processor 701 and the memory 702 are connected through the bus 703.
The specific implementation process of the processor 701 can be referred to the above method embodiment, and its implementation principle and technical effects are similar, and this embodiment will not be described herein again.
In the embodiment shown in fig. 7, it should be understood that the processor may be a central processing unit (english: central Processing Unit, abbreviated as CPU), or may be other general purpose processors, digital signal processors (english: digital Signal Processor, abbreviated as DSP), application specific integrated circuits (english: application Specific Integrated Circuit, abbreviated as ASIC), or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor for execution, or in a combination of hardware and software modules in a processor for execution.
The memory may comprise high speed RAM memory or may further comprise non-volatile storage NVM, such as at least one disk memory.
The bus may be an industry standard architecture (Industry Standard Architecture, ISA) bus, an external device interconnect (Peripheral Component Interconnect, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The buses may be divided into address buses, data buses, control buses, etc. For ease of illustration, the buses in the drawings of the present application are not limited to only one bus or one type of bus.
In a fourth aspect, the present invention further provides a readable storage medium, provided at a terminal side, in which computer-executable instructions are stored, which when executed by a processor, implement the above-described visualized area calculation method.
The above-described readable storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk. A readable storage medium can be any available medium that can be accessed by a general purpose or special purpose computer.
An exemplary readable storage medium is coupled to the processor such the processor can read information from, and write information to, the readable storage medium. In the alternative, the readable storage medium may be integral to the processor. The processor and the readable storage medium may reside in an application specific integrated circuit (Application Specific Integrated Circuits, ASIC for short). The processor and the readable storage medium may reside as discrete components in a device.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the method embodiments described above may be performed by hardware associated with program instructions. The foregoing program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. A method of calculating a visualized area, comprising:
acquiring the actual range of the region to be measured on the map;
obtaining a region to be treated according to the actual range and the preset proportion;
dividing the area to be processed into grids with known and equal areas, storing grid data, converting the grid data into map vector surface data, and obtaining a gridded area map layer according to the map vector surface data, wherein the grids are universal meter unit grids;
merging the gridded to-be-processed area layer into an area to be detected on the map to generate a new map;
and acquiring positioning information uploaded by a terminal, determining a personnel action track route by using the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids to determine the patrol area of the region to be detected.
2. The method for calculating a visualized area according to claim 1, wherein the merging the layers of the gridded to-be-processed area into the to-be-measured area on the map includes:
and setting a plurality of matching points on the to-be-processed area layer and the to-be-detected area on the map, and merging the to-be-processed area layer into the to-be-detected area on the map according to the matching points.
3. A terminal, comprising:
the first processing module is used for dividing the region to be detected on the map into grids with known and equal areas so as to obtain a new map;
the second processing module is used for acquiring the positioning information uploaded by the terminal, determining a personnel action track route by utilizing the positioning information, displaying grids penetrated by the personnel action track route on the new map, and counting the number of the penetrated grids to determine the patrol area of the region to be detected;
the first processing module is specifically configured to:
acquiring the actual range of the region to be measured on the map;
obtaining a region to be treated according to the actual range and the preset proportion;
dividing the region to be processed into grids with known and equal areas, and obtaining a gridded region layer to be processed;
combining the gridded to-be-processed area layer into the to-be-detected area on the map to generate a new map;
the method is particularly used for:
dividing the area to be processed into grids with known and equal areas, storing grid data, converting the grid data into map vector surface data, and obtaining a gridded area map layer according to the map vector surface data, wherein the grids are universal meter unit grids.
4. A control apparatus, characterized by comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing computer-executable instructions stored in the memory causes the at least one processor to perform the method of visual area calculation of claim 1 or 2.
5. A readable storage medium having stored therein computer-executable instructions which, when executed by a processor, implement the method of calculating a visualized area according to claim 1 or 2.
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| CN116664663B (en) * | 2023-07-21 | 2023-10-20 | 湖北泰跃卫星技术发展股份有限公司 | Method, device, computer equipment and storage medium for calculating crop area |
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