CN111143500A - Visualized area calculation method, terminal, control device and storage medium - Google Patents
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Abstract
According to the visualized area calculation method, the terminal, the control device 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, acquiring the positioning information uploaded by the terminal, determining a personnel action track route by using the positioning information, displaying grids passed by the personnel action track route on the new map, and counting the number of the passed grids; namely, in the embodiment of the invention, after the area to be measured is divided into the grids with known and equal areas, the grids corresponding to the movement track routes of the personnel are displayed on the new map, so that the area of the patrol range of the personnel can be visually displayed, and the patrol area corresponding to the whole movement track of the personnel can be conveniently determined by counting the number of the grids.
Description
Technical Field
The present invention relates to terminal technologies, and in particular, to a method for calculating a visualized area, a terminal, a control device, and a storage medium.
Background
The Geographic Information System (GIS) is a specific spatial Information System of great importance. The system is a technical system for collecting, storing, managing, operating, analyzing, displaying and describing relevant geographic distribution data in the whole or partial earth surface (including the atmosphere) space under the support of a computer hardware and software system.
In the existing GIS system, regarding the area calculation problem, the real-field calculation is generally performed on the area requiring the calculation according to the actual demand, and then the calculated area data is stored in the spatial database for the user to retrieve. However, the above method can only query the area of a specific region stored in the database, and the area calculation is not flexible enough and cannot provide a visual display for the user.
Therefore, a new visualized area calculation method is needed to solve the problem that the area calculation is not flexible and cannot be intuitively displayed in the prior art.
Disclosure of Invention
In view of the above problems, the present invention provides a visualized area calculation method, a terminal, a control device, and a storage medium.
In a first aspect, the present invention provides a visualized area calculating method, including:
dividing a region to be measured on a map into grids with known and equal areas so as to obtain a new map;
and acquiring positioning information uploaded by a terminal, determining a person action track route by using the positioning information, displaying a grid passed by the person action track route on the new map, and counting the number of the passed grids.
In other optional embodiments, the dividing the region to be measured on the map into grids with known and equal areas includes:
acquiring an actual range of a region to be detected on a map;
obtaining a region to be processed 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;
and merging the gridded to-be-processed area map layer into the to-be-detected area on the map to generate a new map.
In other optional embodiments, the dividing the region to be processed into grids with known and equal areas includes:
dividing the region 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 grid region layer to be processed according to the map vector surface data.
In other optional embodiments, the merging the gridded to-be-processed area map layer into the to-be-measured area on the map includes:
and arranging a plurality of matching points on the map layer of the area to be processed and the area to be detected on the map, and combining the map layer of the area to be processed to the area to be detected on the map according to the matching points.
In other alternative embodiments, the grid is a ten thousand meter cell grid.
In a second aspect, the present invention provides a terminal, comprising:
the first processing module is used for dividing the 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 is used for acquiring the positioning information uploaded by the terminal, determining a personnel action track route by using the positioning information, displaying the grids passed by the personnel action track route on the new map, and counting the number of the passed grids.
In other optional embodiments, the first processing module is specifically configured to:
acquiring an actual range of a region to be detected on a map;
obtaining a region to be processed 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;
and merging the gridded to-be-processed area map layer 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 region 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 grid region layer to be processed 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 the computer-executable instructions stored by the memory causes the at least one processor to perform the visualization area calculation method of any one of the preceding claims.
In a fourth aspect, the present invention provides a readable storage medium, in which computer executable instructions are stored, and when a processor executes the computer executable instructions, the visualized area calculating method according to any one of the preceding items is implemented.
According to the visualized area calculation method, the terminal, the control device 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, acquiring the positioning information uploaded by the terminal, determining a personnel action track route by using the positioning information, displaying grids passed by the personnel action track route on the new map, and counting the number of the passed grids; namely, in the embodiment of the invention, after the area to be measured is divided into the grids with known and equal areas, the grids corresponding to the movement track routes of the personnel are displayed on the new map, so that the area of the patrol range of the personnel can be visually displayed, and the patrol area corresponding to the whole movement track of the personnel can be conveniently determined by counting the number of the grids.
Drawings
FIG. 1 is a schematic diagram of an application scenario in which the present invention is based;
FIG. 2 is a schematic flow chart of a visualization area calculation method according to the present invention;
FIG. 3 is a schematic flow chart of another visualization area calculation method provided by the present invention;
FIG. 4 is a schematic diagram of a method for calculating an actual range of a region to be measured according to the present invention;
FIG. 5 is a schematic illustration of a person patrol 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 diagram of a hardware structure of a control device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the examples of the present invention will be clearly and completely described below with reference to the accompanying drawings in the examples of the present invention.
The Geographic Information System (GIS) is a specific spatial Information System of great importance. The system is a technical system for collecting, storing, managing, operating, analyzing, displaying and describing relevant geographic distribution data in the whole or partial earth surface (including the atmosphere) space under the support of a computer hardware and software system.
In the existing GIS system, area calculation is usually performed on the area needing to be calculated according to actual needs, and then the calculated area data is stored in a spatial database for a user to query, but this method can only calculate the area of a specific area existing in the database, and if the user wants to calculate the sum of the areas of a part of the area a and a part of the area B, the area calculation cannot be calculated, that is, the area calculation is not flexible enough; secondly, the method has no visual and intuitive display of specific areas, for example 39.78 square kilometers, so that the user can hardly feel how large an area is visually; finally, the above method is performed at the server, which consumes the server resources.
The existing GIS system has another area calculation method, namely complex geometric operation is carried out on an area to be calculated on a map, a mathematical calculus principle and function calling are involved, a large amount of server side resources are consumed by the method, and particularly great pressure is caused to a server in a multi-concurrent access process.
Fig. 1 is a schematic view of an application scenario based on the invention, as shown in fig. 1, when a worker visits in a range from a starting point to a final point in an area a-B to be tested, the person cannot visually display a patrol area by using the prior art.
Aiming at the problems, the invention provides a visualized area calculation method which is used for solving the problems that the area calculation is not flexible enough and cannot be displayed visually in the prior art.
In a first aspect, an example of the present invention provides a method for calculating a visualization area, and fig. 2 is a schematic flow chart of the method for calculating a visualization area provided by the present invention.
As shown in fig. 2, the visualized area calculating method includes:
step 101, dividing a region to be measured on a map into grids with known and equal areas to obtain a new map.
Specifically, assuming that a worker needs to patrol the patrol area of a certain region to be measured on a map, the region to be measured may be subjected to mesh division, wherein the areas of the meshes are known and equal, the meshes may be squares, triangles, hexagons, and the like, and the map after mesh division is used as a new map.
And 102, acquiring positioning information uploaded by a terminal, determining a person action track route by using the positioning information, displaying grids passed by the person action track route on the new map, and counting the number of the passed grids.
Preferably, the grid is a ten thousand meter cell grid, i.e. when one grid on the map represents 1 ten thousand square meters, and the visual range of the human eye is typically around 100 meters. The terminal is held by a worker, the terminal opens the positioning navigation system, a plurality of positioning information of the terminal are obtained in real time, the action track routes of the worker are determined by the plurality of positioning information, the grids which the action track routes of the worker pass are displayed on a map, the passed grids are the patrol areas of the worker, and the patrol areas can be visually and vividly displayed.
In addition, it should be noted that the terminal is used for executing the above-mentioned embodiments of the invention. Compared with the prior art, the method needs to be carried out at the server, and the server resource is saved.
According to the visual area calculation method provided by the invention, a new map is obtained by dividing a region to be measured on the map into grids with known and equal areas; acquiring positioning information uploaded by a terminal, acquiring the positioning information uploaded by the terminal, determining a personnel action track route by using the positioning information, displaying grids passed by the personnel action track route on the new map, and counting the number of the passed grids; namely, in the embodiment of the invention, after the area to be measured is divided into the grids with known and equal areas, the grids corresponding to the movement track routes of the personnel are displayed on the new map, so that the area of the patrol range of the personnel can be visually displayed, and the patrol area corresponding to the whole movement track of the personnel can be conveniently determined by counting the number of the grids.
With reference to the foregoing implementation manners, fig. 3 is a schematic flowchart of another method for calculating a visualization area provided by the present invention, and as shown in fig. 3, the method for calculating a visualization area includes:
Specifically, a simple long and wide distance measurement can be performed on the region to be measured by using a measurement tool in the map processing tool.
And step 202, obtaining a region to be processed according to the actual range and a preset proportion.
Specifically, a region in a preset ratio to the actual range may be drawn as the region to be processed by using software such as CAD.
Specifically, the to-be-processed area may be subjected to grid division in a unit grid array manner by using software such as CAD, so as to obtain a grid to-be-processed area layer.
As an alternative example, one implementation of step 203 is as follows:
dividing the region 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 grid region layer to be processed according to the map vector surface data.
Specifically, after a to-be-processed area is subjected to grid division by using a unit grid array in a CAD, grid data is stored, the grid data is line data at this time, topology processing and topology surface structuring processing need 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 map 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 arranging a plurality of matching points on the map layer of the area to be processed and the area to be detected on the map, and combining the map layer of the area to be processed to the area to be detected on the map according to the matching points.
Specifically, several matching points, for example, 4 matching points, are determined on the map layer of the area to be processed, and corresponding several matching points are also determined on the area to be processed, and then the gridded map layer of the area to be processed is covered on the map of the area to be processed as a transparent map layer to generate a new map.
And step 205, acquiring the positioning information uploaded by the terminal, determining a person action track route by using the positioning information, displaying the grids passed by the person action track route on the new map, and counting the number of the passed grids.
Step 205 in this embodiment is similar to the implementation of step 102 in the foregoing embodiment, and is not described herein again.
Different from the foregoing embodiment, the present embodiment further defines a specific process of how to perform mesh division on the map of the area to be measured, and in the present embodiment, the actual range of the area to be measured on the map is obtained; obtaining a region to be processed 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; and merging the gridded to-be-processed area map layer into the to-be-detected area on the map to generate a new map.
For example, firstly, a simple quantity calculation is performed on the region to be measured by using a quantity calculation tool in the map processing tool, fig. 4 is a schematic diagram of an actual range of the region to be measured based on the quantity calculation, and as shown in fig. 4, the actual length of the obtained region to be measured is 5455 meters, and the actual width is 3909 meters; then, drawing a grid according to the actual length and width distances calculated by CAD software, wherein the map unit of the CAD is 1 mm to represent one meter on the map, so that two orthogonal lines with the length of 5455 mm and the width of 3909 mm can be drawn on the CAD, then the two lines are respectively arrayed in a manner of 100-offset rows and 100-offset columns, the straight lines after the arrays can be intersected into a square with the square of 10000 mm square, and the grid is represented as a ten-kilometer unit grid 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 construction processing on the data, and converting original line data into vector surface data; matching the vector surface data with a coordinate system of an original map, selecting four matching points for registration, covering the vector surface data serving as a map layer with an area to be detected to generate a new map, and re-issuing a map service; the method comprises the steps of obtaining a movement track route of a person, displaying a map grid through which the movement track route of the person passes on a map, and displaying a person patrol area schematic diagram based on the method in the invention in fig. 5.
In addition, the staff can draw any polygon on the map of the terminal, and the number of meshes contained in the polygon is counted, namely the area calculation of the invention is flexible corresponding to the area calculation of the prior art.
The visual area calculation method provided by the invention comprises the steps of obtaining the actual range of a region to be measured on a map; determining a region to be processed 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; merging the gridded to-be-processed area map 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 person action track route by utilizing the positioning information, displaying a grid through which the person action track route passes on a new map, and counting the number of the passed grids, namely, after dividing an area to be measured into grids with known and equal areas, displaying a grid corresponding to the person action track route on the new map, so that the area of a person patrol range is visually displayed, and the patrol area corresponding to the whole person action track can be conveniently determined by counting the number of the grids.
In a second aspect, the present invention provides a terminal, fig. 6 is a schematic structural diagram of the terminal provided in the present invention, and as shown in fig. 6, the terminal includes:
the first processing module 10 is configured to divide an area to be measured on a map into grids with known and equal areas to obtain a new map;
the second processing module 20 is configured to obtain positioning information uploaded by the terminal, determine a staff action trajectory route by using the positioning information, display a grid through which the staff action trajectory route passes on the new map, and count the number of the passed grids.
In other optional embodiments, the first processing module 10 is specifically configured to: acquiring an actual range of a region to be detected on a map; obtaining a region to be processed 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; and merging the gridded to-be-processed area map layer into the to-be-detected area on the map to generate a new map.
In other optional embodiments, the first processing module 10 is specifically configured to: dividing the region 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 grid region layer to be processed according to the map vector surface data.
In other optional embodiments, the first processing module 10 is specifically configured to: and arranging a plurality of matching points on the map layer of the area to be processed and the area to be detected on the map, and combining the map layer of the area to be processed to the area to be detected on the map according to the matching points.
In other alternative embodiments, the grid is a ten thousand meter cell grid.
It can be clearly understood by 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, and are not described herein again.
According to the terminal provided by the invention, the area to be detected on the map is divided into grids with known and equal areas through the first processing module so as to obtain a new map; 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 passed by the personnel action track route on the new map, and counts the number of the passed grids; namely, in the embodiment of the invention, after the area to be measured is divided into the grids with known and equal areas, the grids corresponding to the movement track routes of the personnel are displayed on the new map, so that the area of the patrol range of the personnel can be visually displayed, and the patrol area corresponding to the whole movement track of the personnel can be conveniently determined by counting the number of the grids.
In a third aspect, the present invention provides a control device, fig. 7 is a schematic diagram of a hardware structure of the control device provided in the present invention, and it should be noted that, the control device provided in the present invention is disposed on a terminal side, as shown in fig. 7, 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 method for calculating the visual area as described above, where the processor 701 and the memory 702 are connected through a bus 703.
For a specific implementation process of the processor 701, reference may be made to the above method embodiments, which implement principles and technical effects similar to each other, and details of this embodiment are not described herein again.
In the embodiment shown in fig. 7, it should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. 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, or in a combination of the hardware and software modules within the processor.
The memory may comprise high speed RAM memory and may also include non-volatile storage NVM, such as at least one disk memory.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures 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, which is disposed at a terminal side, and the readable storage medium stores therein computer-executable instructions, and when a processor executes the computer-executable instructions, the visualized area calculating method as above is implemented.
The readable storage medium described above may be implemented by any type of volatile or non-volatile memory device or combination thereof, 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. Readable storage media can be any available media 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. Of course, the readable storage medium may also be an integral part of the processor. The processor and the readable storage medium may reside in an Application Specific Integrated Circuits (ASIC). Of course, the processor and the readable storage medium may also reside as discrete components in the apparatus.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A visualized area calculation method is characterized by comprising the following steps:
dividing a region to be measured on a map into grids with known and equal areas so as to obtain a new map;
and acquiring positioning information uploaded by a terminal, determining a person action track route by using the positioning information, displaying a grid passed by the person action track route on the new map, and counting the number of the passed grids.
2. The visualized area calculating method according to claim 1, wherein the dividing the region to be measured on the map into grids with known and equal areas comprises:
acquiring an actual range of a region to be detected on a map;
determining a region to be processed 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;
and merging the gridded to-be-processed area map layer into the to-be-detected area on the map to generate a new map.
3. The visualization area calculating method according to claim 2, wherein the dividing the region to be processed into grids with known and equal areas comprises:
dividing the region 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 grid region layer to be processed according to the map vector surface data.
4. The visualization area calculating method according to claim 2 or 3, wherein the merging the gridded to-be-processed area layers into the to-be-detected area on the map comprises:
and arranging a plurality of matching points on the map layer of the area to be processed and the area to be detected on the map, and combining the map layer of the area to be processed to the area to be detected on the map according to the matching points.
5. The visualization area calculating method according to any one of claims 1 to 3, wherein the grid is a ten-kilometer unit grid.
6. A terminal, comprising:
the first processing module is used for dividing the 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 is used for acquiring the positioning information uploaded by the terminal, determining a personnel action track route by using the positioning information, displaying the grids passed by the personnel action track route on the new map, and counting the number of the passed grids.
7. The terminal according to claim 6, wherein the first processing module is specifically configured to:
acquiring an actual range of a region to be detected on a map;
obtaining a region to be processed 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;
and merging the gridded to-be-processed area map layer into the to-be-detected area on the map to generate a new map.
8. The terminal according to claim 7, wherein the first processing module is specifically configured to:
dividing the region 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 grid region layer to be processed according to the map vector surface data.
9. A control apparatus, characterized by comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the visualization area calculation method according to any of claims 1 to 5.
10. A readable storage medium, wherein the readable storage medium stores computer-executable instructions, which when executed by a processor, implement the visualization area calculation method according to any one of claims 1 to 5.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111625591A (en) * | 2020-05-15 | 2020-09-04 | 深圳市甲易科技有限公司 | Track rule analysis method for realizing information visualization |
| CN116664663A (en) * | 2023-07-21 | 2023-08-29 | 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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