CN113776495A - Real-time collection and processing method for land surveying and mapping operation data - Google Patents
Real-time collection and processing method for land surveying and mapping operation data Download PDFInfo
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- CN113776495A CN113776495A CN202111103072.5A CN202111103072A CN113776495A CN 113776495 A CN113776495 A CN 113776495A CN 202111103072 A CN202111103072 A CN 202111103072A CN 113776495 A CN113776495 A CN 113776495A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention discloses a real-time acquisition and processing method for land surveying and mapping operation data, and particularly relates to the technical field of xx. In the scheme, the unmanned aerial vehicle is used for aerial photography, aerial photography information is integrated through the data processing module, a digital elevation model is generated, the digital elevation model is led into the model building module, an initial three-dimensional model is obtained, in order to ensure the accuracy of the model, field surveying can be carried out on slope ditches, the model is calibrated, the three-dimensional model is uploaded to a terrain library of the place and is checked by technicians in real time, and therefore the technicians can further know the terrain, the landform and the ground conditions of the place.
Description
Technical Field
The invention relates to the technical field of xx, in particular to a real-time acquisition and processing method for land surveying and mapping operation data.
Background
Land mapping is an important part of modern city construction. The land surveying is a complex work, requires mastering of various knowledge, and is based on a computer technology, a photoelectric technology, a network communication technology, space science and information science, takes a Global Positioning System (GPS), Remote Sensing (RS) and a Geographic Information System (GIS) as technical cores, and obtains the graph and the sub-information reflecting the current situation of the ground by measuring means from the existing characteristic points and boundary lines of the ground for planning design and administrative management of engineering construction.
According to the method and the system for acquiring and processing the land surveying and mapping operation data in real time, which are published by the patent network and have the patent number of CN 112815931A, the acquisition end is provided with the LoRa module, the surveying and mapping data are sent to the NB-IoT internet of things in real time through the LoRa module, and the processing end at a distance receives the surveying and mapping data through the LoRa module. The mapping data of the working area is transmitted to the processing end of the background in real time for processing by utilizing the technology of the Internet of things of NB-IoT, so that the efficiency is high, the use is convenient, the processing end is prevented from being carried to the working site for operation, and the cost is saved; however, this does not disclose how to measure land related data specifically, such as: the variety of each layer of soil, the temperature and the humidity of the soil, the hardness of soil blocks, how to construct a three-dimensional model of the terrain and the like.
Therefore, it is necessary to provide a real-time data collecting and processing method for soil mapping operation.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a method for collecting and processing data of land surveying and mapping operations in real time, so as to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: a real-time collection and processing method for land surveying and mapping operation data comprises the following steps:
s1, dividing the field to be mapped into a plurality of blocks, wherein each block has similar size and area, and marking each block of land, for example: land A, land B and the like;
s2, respectively carrying out soil quality detection and soil temperature and humidity detection on each land;
s3, uploading the detection data to a background in time;
s4, detecting soil quality and soil temperature and humidity once every other period of time, and updating background data in time;
s5, constructing a three-dimensional model of each land by using aerial images of the unmanned aerial vehicle;
s6, integrating the three-dimensional models of each land into a complete land three-dimensional model;
and S7, combining the constructed three-dimensional model with the geographic position of the mapped ground through GPS and GIS technology, and incorporating the three-dimensional model into a terrain library of the ground for people to view.
Preferably, in S2, temperature and humidity detection is performed on soil by using a temperature sensor and a humidity sensor, respectively, and the soil quality detection in S2 includes detection on the variety, the softness, and the hardness of a soil block, and further includes the following steps;
s21, sampling the clod by using a drilling sampling tool, and keeping the original layering of the clod during sampling;
s22, placing each layer of soil blocks in different culture dishes respectively, and marking the variety of each layer of soil blocks respectively;
s23, measuring the hardness of each layer of soil block by using a pressure sensor to obtain corresponding data;
and S24, injecting water into each layer of soil, and calculating the water absorption to obtain the soil softness.
Preferably, the step S6 can be divided into the following steps;
s61, remotely controlling the unmanned aerial vehicle to take aerial photos of each land and integrating aerial photo information;
s62, generating a digital elevation model from the integrated aerial photography information by using a data processing module;
s63, importing the digital elevation model into a model building module to obtain an initial three-dimensional model;
s64, calculating the size according to the same proportion according to the actual size of the site, and marking the size of the initial three-dimensional model;
and S65, for the special slope, carrying out on-site measurement by using instruments such as a theodolite and the like, and calibrating the initial three-dimensional model to obtain a final three-dimensional model.
Preferably, in S7, a three-dimensional model stitching module is used to integrate a plurality of the initial three-dimensional models, so as to eliminate the boundary overlapping part of the initial three-dimensional models, thereby obtaining a complete three-dimensional model.
Preferably, in S61, before the aerial photography, the overhead view blocking object on the ground is removed, and during the aerial photography, the flying height is continuously adjusted, so that the aerial photography is performed in multiple dimensions and multiple angles.
Preferably, in S65, the special ramp includes a ramp with a steep slope, a high altitude and special soil texture.
The technical scheme of the invention has the following beneficial effects:
in the scheme, an operator firstly samples the soil blocks, detects the hardness of the soil blocks and the softness of the soil in a pressure sensor and a water injection mode respectively, then detects the temperature and humidity of the soil by using a temperature sensor and a humidity sensor respectively to achieve the aim of acquiring soil condition information of the soil, uploads the information to a background, and detects and updates data at regular time;
in the scheme, the unmanned aerial vehicle is used for aerial photography, aerial photography information is integrated through the data processing module, a digital elevation model is generated, the digital elevation model is led into the model building module, an initial three-dimensional model is obtained, in order to ensure the accuracy of the model, field surveying can be carried out on slope ditches, the model is calibrated, the three-dimensional model is uploaded to a terrain library of the place and is checked by technicians in real time, and therefore the technicians can further know the terrain, the landform and the ground conditions of the place.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a method for collecting and processing data of a land surveying and mapping operation in real time, which includes the following steps:
s1, dividing the field to be mapped into a plurality of blocks, wherein each block has similar size and area, and marking each block of land, for example: land A, land B and the like;
s2, respectively carrying out soil quality detection and soil temperature and humidity detection on each land;
s3, uploading the detection data to a background in time;
s4, detecting soil quality and soil temperature and humidity once every other period of time, and updating background data in time;
s5, constructing a three-dimensional model of each land by using aerial images of the unmanned aerial vehicle;
s6, integrating the three-dimensional models of each land into a complete land three-dimensional model;
and S7, combining the constructed three-dimensional model with the geographic position of the mapped ground through GPS and GIS technology, and incorporating the three-dimensional model into a terrain library of the ground for people to view.
Specifically, the whole land is divided into a plurality of equal parts, each equal part is marked, and then each equal part is further detected and measured, so that the accuracy of data is improved.
In the step S2, temperature and humidity detection is performed on soil by using a temperature sensor and a humidity sensor, respectively, and the soil quality detection in the step S2 includes detection on variety, softness and hardness of soil blocks, and the method further includes the following steps;
s21, sampling the clod by using a drilling sampling tool, and keeping the original layering of the clod during sampling;
s22, placing each layer of soil blocks in different culture dishes respectively, and marking the variety of each layer of soil blocks respectively;
s23, measuring the hardness of each layer of soil block by using a pressure sensor to obtain corresponding data;
and S24, injecting water into each layer of soil, and calculating the water absorption to obtain the soil softness.
Specifically, to the layering of soil, can be divided into two kinds of condition, one is natural layering, carries out the layering according to the colour of soil, variety or the soft or hard degree of soil piece in the soil, and one is that soil can't utilize the naked eye to carry out the layering, can carry out artificial layering to soil, according to certain thickness, for example: layering 5-10 cm, detecting the soil after layering, and detecting.
Specifically, after step S22, when can also carrying out the humiture to soil and detect, after the sample layering, rethread temperature sensor and humidity transducer detect, and the culture dish of accomodating soil should have the function of moisturizing that keeps warm, reduces the error that detects data.
Specifically, in S23, the hardness of the soil block can be detected by the pressure sensor, and the pressure resistance of the soil blocks in different layers can be known.
Specifically, in S24, pave soil in transparent containing box, slowly pour into water, after the one end time, look over soil, the numerical value of water liter to calculate the water absorption ratio of every kind of soil according to the volume, thereby learn the softness of soil.
Wherein, the step S6 can be further divided into the following steps;
s61, remotely controlling the unmanned aerial vehicle to take aerial photos of each land and integrating aerial photo information;
s62, generating a digital elevation model from the integrated aerial photography information by using a data processing module;
s63, importing the digital elevation model into a model building module to obtain an initial three-dimensional model;
s64, calculating the size according to the same proportion according to the actual size of the site, and marking the size of the initial three-dimensional model;
and S65, for the special slope, carrying out on-site measurement by using instruments such as a theodolite and the like, and calibrating the initial three-dimensional model to obtain a final three-dimensional model.
In S7, a three-dimensional model stitching module is used to integrate a plurality of initial three-dimensional models, and the boundary overlapping part of the initial three-dimensional models is eliminated, so as to obtain a complete three-dimensional model.
In S61, before aerial photography, the overhead view blocking object on the ground is removed, and during aerial photography, the flying height is continuously adjusted, so that aerial photography is performed in a multi-dimensional and multi-angle manner.
In order to avoid the complicated topography and cause the hidden or missing part of the shot image, the aerial photography can be carried out in multiple dimensions by adjusting the flying height and the flying angle of the unmanned aerial vehicle.
In S65, the special ramps include ramps with steep gradient, high altitude and special soil texture.
The working effect of the invention is as follows:
according to the scheme, soil blocks are sampled firstly, then the hardness of the soil blocks and the softness of soil are detected respectively in a pressure sensor and water injection mode, then temperature and humidity detection is carried out on the soil respectively by using a temperature sensor and a humidity sensor, the purpose of obtaining soil condition information of the soil is achieved, the information is uploaded to a background, and data are detected and updated regularly;
in the scheme, the unmanned aerial vehicle is used for aerial photography, aerial photography information is integrated through the data processing module, a digital elevation model is generated, the digital elevation model is led into the model building module, an initial three-dimensional model is obtained, in order to ensure the accuracy of the model, field surveying can be carried out on slope ditches, the model is calibrated, the three-dimensional model is uploaded to a terrain library of the place and is checked by technicians in real time, and therefore the technicians can further know the terrain, the landform and the ground conditions of the place.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. A real-time collection and processing method for land surveying and mapping operation data is characterized by comprising the following steps:
s1, dividing the field to be mapped into a plurality of blocks, wherein each block has similar size and area, and marking each block of land, for example: land A, land B and the like;
s2, respectively carrying out soil quality detection and soil temperature and humidity detection on each land;
s3, uploading the detection data to a background in time;
s4, detecting soil quality and soil temperature and humidity once every other period of time, and updating background data in time;
s5, constructing a three-dimensional model of each land by using aerial images of the unmanned aerial vehicle;
s6, integrating the three-dimensional models of each land into a complete land three-dimensional model;
and S7, combining the constructed three-dimensional model with the geographic position of the mapped ground through GPS and GIS technology, and incorporating the three-dimensional model into a terrain library of the ground for people to view.
2. The method according to claim 1, wherein in S2, temperature and humidity measurements are performed on soil by using a temperature sensor and a humidity sensor, respectively, and the soil quality measurement in S2 includes measuring the variety, softness and hardness of soil blocks, and further includes the following steps;
s21, sampling the clod by using a drilling sampling tool, and keeping the original layering of the clod during sampling;
s22, placing each layer of soil blocks in different culture dishes respectively, and marking the variety of each layer of soil blocks respectively;
s23, measuring the hardness of each layer of soil block by using a pressure sensor to obtain corresponding data;
and S24, injecting water into each layer of soil, and calculating the water absorption to obtain the soil softness.
3. The method for collecting and processing data of land surveying and mapping operation in real time as claimed in claim 1, wherein said step of S6 is further divided into the following steps;
s61, remotely controlling the unmanned aerial vehicle to take aerial photos of each land and integrating aerial photo information;
s62, generating a digital elevation model from the integrated aerial photography information by using a data processing module;
s63, importing the digital elevation model into a model building module to obtain an initial three-dimensional model;
s64, calculating the size according to the same proportion according to the actual size of the site, and marking the size of the initial three-dimensional model;
and S65, for the special slope, carrying out on-site measurement by using instruments such as a theodolite and the like, and calibrating the initial three-dimensional model to obtain a final three-dimensional model.
4. The method according to claim 1, wherein in step S7, a three-dimensional model stitching module is used to integrate a plurality of the initial three-dimensional models, so as to eliminate the overlapping of the boundary of a part of the initial three-dimensional models, thereby obtaining a complete three-dimensional model.
5. The method as claimed in claim 3, wherein in S61, the overhead view shelter is removed before aerial photography, and during aerial photography, the flying height is continuously adjusted to carry out aerial photography in multiple dimensions and multiple angles.
6. The method according to claim 1, wherein in step S65, the special ramps include steep-slope, high-altitude and special soil-texture ramps.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326023A (en) * | 2022-10-14 | 2022-11-11 | 长春市应天网络有限公司 | Land measurement preprocessing method based on unmanned aerial vehicle image |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115326023A (en) * | 2022-10-14 | 2022-11-11 | 长春市应天网络有限公司 | Land measurement preprocessing method based on unmanned aerial vehicle image |
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