CN114387394A - Railway canopy structure scanning and drawing method - Google Patents
Railway canopy structure scanning and drawing method Download PDFInfo
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- CN114387394A CN114387394A CN202210008690.XA CN202210008690A CN114387394A CN 114387394 A CN114387394 A CN 114387394A CN 202210008690 A CN202210008690 A CN 202210008690A CN 114387394 A CN114387394 A CN 114387394A
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Abstract
The invention provides a railway canopy structure scanning and drawing method, which comprises the following steps: the method comprises the steps that a plurality of detection points are deployed to detect the railway canopy structure, and each detection point consists of a fixed deployment point passively receiving a scanning command and a movable scanning point actively scanning; the fixed deployment point consists of a three-dimensional laser scanner, a first control main board, a network cable and a switch; a user issues an operation instruction through an operation interface, and then controls the first control mainboard through a network cable and a switch; the mobile scanning point consists of a handheld scanner, a second control main board, Beidou positioning equipment and a Wi-Fi router; the handheld scanner collects three-dimensional point data of the detection points and feeds the three-dimensional point data back to the second control main board; the invention realizes the scanning and drawing of the whole railway canopy by adopting the modes of multi-point deployment, information synchronization, synchronous calculation and drawing, solves the requirements of large range of the railway canopy structure and real-time monitoring, and is not easy to have potential safety hazards.
Description
Technical Field
The invention relates to scanning and drawing of a canopy structure, in particular to a method for scanning and drawing a railway canopy structure.
Background
The structural form of the railway rain shed is continuously developed and changed along with the development of railway construction and the progress of construction technical materials. Most railway rainsheds are composed of long rectangles, the range is large, comprehensive and real-time monitoring cannot be conducted, and the potential safety hazard is large.
Disclosure of Invention
The invention aims to provide a scanning and drawing method for a railway canopy structure, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a railway canopy structure scanning and drawing method comprises the following steps:
the method comprises the steps that firstly, a plurality of detection points are deployed to detect the railway canopy structure, and each detection point consists of a fixed deployment point passively receiving a scanning command and a movable scanning point actively scanning;
the fixed deployment point consists of a three-dimensional laser scanner, a first control main board, a network cable and a switch; a user issues an operation instruction through an operation interface, and controls the first control mainboard through a network cable and a switch, so that a scanning command is issued to the three-dimensional laser scanner, data is returned and processed, and point location information scanned by the point is obtained;
the mobile scanning point consists of a handheld scanner, a second control main board, Beidou positioning equipment and a Wi-Fi router; the handheld scanner collects three-dimensional point data of the detection points and feeds the three-dimensional point data back to the second control main board; the second control main board is linked with the Beidou positioning equipment to obtain current position information after obtaining the data, specific position and coordinate information are obtained according to the current position information and the scanning position, and the data are transmitted to the server side through the Wi-Fi router;
step two, the equipment in the detection points is in communication connection with the client through the switch to ensure that communication transmission data among the detection points are normal;
step three: after communication connection, scanning is started, returned data of the client side are confirmed, and after the scanned data are returned, the client side can display corresponding three-dimensional data;
step four, the server side is connected with all the clients through UDP communication, sends scanning commands to all the clients and receives returned scanning results according to a communication protocol, and analyzes and draws the returned scanning results;
step five, the server side actively sends scanning commands to all the clients of the fixed deployment point and returns data, or the mobile scanning point actively scans and returns scanning data;
after the server side obtains the scanning data, analyzing and processing the point clouds, and calculating to obtain the actual position and the position where the angle of each point location is correspondingly drawn;
step seven, drawing according to the calculated point cloud data, and displaying a three-dimensional interface on the interface;
according to the returned point cloud data, performing primary calculation and conversion for actual interface drawing; the scanning of the fixed deployment point needs to calculate the position and the angle of the fixed deployment point according to the point location information so as to determine the position of the fixed deployment point during drawing;
the specific algorithm of the three-dimensional coordinate axes for converting the corresponding angles and positions is as follows:
X1＝Z×cos(P)×cos(H)
Y1＝Z×cos(P)×sin(H)
Z1＝Z×sin(P)
z is the actual scan distance returned
P is the actual longitudinal angle of return
H is the actual transverse angle of return
The three-dimensional coordinate axes X1, Y1 and Z1 for drawing are obtained after calculation.
Compared with the prior art, the invention has the beneficial effects that:
after the method is adopted, the data scanning is carried out on the corresponding scanning point positions by utilizing the deployed multiple detection points, and the method comprises two deployment modes: the fixed deployment point and the mobile scanning point are transmitted to a system data center by a network switch. And the data center processes and models and analyzes the data transmitted by all point location information, draws the point cloud data according to the point cloud data information after obtaining the point cloud data of the three-dimensional structure, calculates the actual and drawn distances according to the transverse direction, the longitudinal direction and the distances, and presents the corresponding actual drawing result on the three-dimensional surface. The invention realizes the scanning and drawing of the whole railway canopy by adopting the modes of multi-point deployment, information synchronization, synchronous calculation and drawing, solves the requirements of large range of the railway canopy structure and real-time monitoring, and is not easy to have potential safety hazards.
The invention can scan and monitor the size and the change of any railway canopy and perform three-dimensional imaging drawing on the railway canopy, and the function is realized by multipoint deployment and multipoint scanning. The corresponding three-dimensional structure drawing for the curved surface and other structures is realized by utilizing the flexible mode of mobile acquisition and deployment. And the fixed and mobile deployment modes can be used for flexibly scanning and monitoring the mobile terminal in real time. The communication mode can enable the server side to send scanning commands to all deployed fixed points at any time and display the scanned data back, so that the purpose of monitoring the canopy structure in real time is achieved. The fixed point of the invention can greatly reduce the complexity and difficulty degree of manual scanning, and can conveniently scan partially complex and variable building structures by moving the scanning point.
Drawings
Fig. 1 is a flow chart of a method for scanning and drawing a railway canopy structure.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1, a method for scanning and drawing a railway canopy structure includes the following steps:
the method comprises the steps that firstly, a plurality of detection points are deployed to detect the railway canopy structure, and each detection point consists of a fixed deployment point passively receiving a scanning command and a movable scanning point actively scanning;
the fixed deployment point consists of a three-dimensional laser scanner, a first control main board, a network cable and a switch; a user issues an operation instruction through an operation interface, and controls the first control mainboard through a network cable and a switch, so that a scanning command is issued to the three-dimensional laser scanner, data is returned and processed, and point location information scanned by the point is obtained;
the mobile scanning point consists of a handheld scanner, a second control main board, Beidou positioning equipment and a Wi-Fi router; the handheld scanner collects three-dimensional point data of the detection points and feeds the three-dimensional point data back to the second control main board; the second control main board is linked with the Beidou positioning equipment to obtain current position information after obtaining the data, specific position and coordinate information are obtained according to the current position information and the scanning position, and the data are transmitted to the server side through the Wi-Fi router;
step two, the equipment in the detection points is in communication connection with the client through the switch to ensure that communication transmission data among the detection points are normal;
step three: after communication connection, scanning is started, returned data of the client side are confirmed, and after the scanned data are returned, the client side can display corresponding three-dimensional data;
step four, the server side is connected with all the clients through UDP communication, sends scanning commands to all the clients and receives returned scanning results according to a communication protocol, and analyzes and draws the returned scanning results;
step five, the server side actively sends scanning commands to all the clients of the fixed deployment point and returns data, or the mobile scanning point actively scans and returns scanning data;
after the server side obtains the scanning data, analyzing and processing the point clouds, and calculating to obtain the actual position and the position where the angle of each point location is correspondingly drawn;
step seven, drawing according to the calculated point cloud data, and displaying a three-dimensional interface on the interface;
according to the returned point cloud data, performing primary calculation and conversion for actual interface drawing; the scanning of the fixed deployment point needs to calculate the position and the angle of the fixed deployment point according to the point location information so as to determine the position of the fixed deployment point during drawing, and particularly, the positions of the fixed deployment point and the fixed deployment point relative to each other need to be determined when the plurality of deployment points are drawn simultaneously.
The specific algorithm of the three-dimensional coordinate axes for converting the corresponding angles and positions is as follows:
X1＝Z×cos(P)×cos(H)
Y1＝Z×cos(P)×sin(H)
Z1＝Z×sin(P)
z is the actual scan distance returned
P is the actual longitudinal angle of return
H is the actual transverse angle of return
The three-dimensional coordinate axes X1, Y1 and Z1 for drawing are obtained after calculation.
In this embodiment, fig. 1 mainly describes the flow of the whole measurement data, and the scan command is issued to each fixed deployment point through the monitoring thread, including that the data return processing flow part processes the return of the moving point data at any time, and after the processing is completed, the conversion between the corresponding actual point location and the drawing point location is performed, and then the conversion is displayed to the interface to display the three-dimensional imaging.
The working principle of the invention is as follows: the hardware equipment is as follows:
three-dimensional laser scanner, hand-held type scanner, first control mainboard, second control mainboard, big dipper positioning device, server side, Wi-Fi router, switch.
The software system is as follows:
client side and server side.
The deployment mode is as follows:
the three-dimensional laser scanner is fixedly deployed by the fixed deployment point, the three-dimensional laser scanner is connected with the switch through the first control main board and the network cable, and the client is opened and connected with the server side for monitoring.
The mobile scanning point connects the handheld scanner with the second control main board and the Beidou positioning equipment, and the client is opened to be connected with the Wi-Fi router and then is in communication connection with the server, so that scanning can be started.
Furthermore, after the fixed deployment point is connected to the service end, the client of the fixed deployment point needs to be configured specifically, including the location information, so that the service end can determine the location of each fixed point.
And finally, connecting the server side with the client side, starting monitoring and starting to execute scanning monitoring, namely waiting for data to return and automatically drawing.
And after detecting a group of data at all the detection points, transmitting the data to a service end system under the service end through the switch, and after obtaining the data, the service end processes the data and draws a three-dimensional result.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (1)
1. A railway canopy structure scanning and drawing method is characterized by comprising the following steps:
the method comprises the steps that firstly, a plurality of detection points are deployed to detect the railway canopy structure, and each detection point consists of a fixed deployment point passively receiving a scanning command and a movable scanning point actively scanning;
the fixed deployment point consists of a three-dimensional laser scanner, a first control main board, a network cable and a switch; a user issues an operation instruction through an operation interface, and controls the first control mainboard through a network cable and a switch, so that a scanning command is issued to the three-dimensional laser scanner, data is returned and processed, and point location information scanned by the point is obtained;
the mobile scanning point consists of a handheld scanner, a second control main board, Beidou positioning equipment and a Wi-Fi router; the handheld scanner collects three-dimensional point data of the detection points and feeds the three-dimensional point data back to the second control main board; the second control main board is linked with the Beidou positioning equipment to obtain current position information after obtaining the data, specific position and coordinate information are obtained according to the current position information and the scanning position, and the data are transmitted to the server side through the Wi-Fi router;
step two, the equipment in the detection points is in communication connection with the client through the switch to ensure that communication transmission data among the detection points are normal;
step three: after communication connection, scanning is started, returned data of the client side are confirmed, and after the scanned data are returned, the client side can display corresponding three-dimensional data;
step four, the server side is connected with all the clients through UDP communication, sends scanning commands to all the clients and receives returned scanning results according to a communication protocol, and analyzes and draws the returned scanning results;
step five, the server side actively sends scanning commands to all the clients of the fixed deployment point and returns data, or the mobile scanning point actively scans and returns scanning data;
after the server side obtains the scanning data, analyzing and processing the point clouds, and calculating to obtain the actual position and the position where the angle of each point location is correspondingly drawn;
step seven, drawing according to the calculated point cloud data, and displaying a three-dimensional interface on the interface;
according to the returned point cloud data, performing primary calculation and conversion for actual interface drawing; the scanning of the fixed deployment point needs to calculate the position and the angle of the fixed deployment point according to the point location information so as to determine the position of the fixed deployment point during drawing;
the specific algorithm of the three-dimensional coordinate axes for converting the corresponding angles and positions is as follows:
X1＝Z×cos(P)×cos(H)
Y1＝Z×cos(P)×sin(H)
Z1＝Z×sin(P)
z is the actual scan distance returned
P is the actual longitudinal angle of return
H is the actual transverse angle of return
The three-dimensional coordinate axes X1, Y1 and Z1 for drawing are obtained after calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008690.XA CN114387394A (en) | 2022-01-06 | 2022-01-06 | Railway canopy structure scanning and drawing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008690.XA CN114387394A (en) | 2022-01-06 | 2022-01-06 | Railway canopy structure scanning and drawing method |
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| CN114387394A true CN114387394A (en) | 2022-04-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100728377B1 (en) * | 2006-11-09 | 2007-06-13 | 주식회사 유삼씨앤씨 | Method for real-time updating gis of changed region vis laser scanning and mobile internet |
| US20100180169A1 (en) * | 2009-01-15 | 2010-07-15 | La Fever George B | Systems and methods of implementing remote boundary scan features |
| KR20160006441A (en) * | 2014-07-09 | 2016-01-19 | (주)블루다솔루션 | calamity safe management system, server and method using 3-dimensional scanning |
| US20180075643A1 (en) * | 2015-04-10 | 2018-03-15 | The European Atomic Energy Community (Euratom), Represented By The European Commission | Method and device for real-time mapping and localization |
| CN108052058A (en) * | 2018-01-31 | 2018-05-18 | 广州市建筑科学研究院有限公司 | Construction project site safety of the one kind based on " internet+" patrols business flow system of running affairs |
| US20210157004A1 (en) * | 2019-11-26 | 2021-05-27 | Universal City Studios Llc | Autonomous scanning and mapping system |
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2022
- 2022-01-06 CN CN202210008690.XA patent/CN114387394A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100728377B1 (en) * | 2006-11-09 | 2007-06-13 | 주식회사 유삼씨앤씨 | Method for real-time updating gis of changed region vis laser scanning and mobile internet |
| US20100180169A1 (en) * | 2009-01-15 | 2010-07-15 | La Fever George B | Systems and methods of implementing remote boundary scan features |
| KR20160006441A (en) * | 2014-07-09 | 2016-01-19 | (주)블루다솔루션 | calamity safe management system, server and method using 3-dimensional scanning |
| US20180075643A1 (en) * | 2015-04-10 | 2018-03-15 | The European Atomic Energy Community (Euratom), Represented By The European Commission | Method and device for real-time mapping and localization |
| CN108052058A (en) * | 2018-01-31 | 2018-05-18 | 广州市建筑科学研究院有限公司 | Construction project site safety of the one kind based on " internet+" patrols business flow system of running affairs |
| US20210157004A1 (en) * | 2019-11-26 | 2021-05-27 | Universal City Studios Llc | Autonomous scanning and mapping system |
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