CN116050105A - Digital twinning-based comprehensive treatment method for river basin emergency event - Google Patents
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Abstract
The invention discloses a comprehensive disposal method of a drainage basin emergency event based on digital twinning, which comprises the following steps: s1, acquiring emergency events occurring in a river basin through a butt joint earthquake platform, a river basin monitoring platform and a manual entry mode; s2, utilizing a space function of oracle to buffer and inquire surrounding protection targets and rescue force; s3, emergency analysis: based on the regional topography image, carrying out collaborative plotting, measurement analysis, profile analysis, influence contrast analysis, optimal path analysis and view output; s4, data service; s5, automatically matching the plans and treatment schemes of the same or similar events according to the types and the influence degrees of the event, and generating a treatment report for the event according to the stage conditions of event treatment. According to the invention, by analyzing the surrounding protection targets and rescue forces through the docking hydrology, rain conditions, unmanned aerial vehicle video data and inclination data, the emergency handling capacity of the river basin emergency event can be improved.
Description
Technical Field
The invention relates to a comprehensive disposal method for a drainage basin emergency event based on digital twinning.
Background
The method has the advantages that the method has wide distribution and a large number of river basin, various geological disaster events of the river basin are aggravated along with the past of the water and electricity construction peak of the country, landslide, debris flow and other geological disasters in the river basin range are easily formed by earthquakes and heavy rainfall, serious losses are caused to life and property safety of hydropower stations and cities in the river basin range, once emergency disaster occurs in the river basin, the analysis method of the comprehensive treatment flow of the river basin emergency event plays an important supporting role, and the analysis method is based on orthographic images, oblique photography, water condition monitoring data, rain condition monitoring data, geological disaster deformation monitoring data, model algorithm results and multi-source data such as roads, resident points, hidden danger points, protection targets, rescue teams, rescue equipment, rescue material and the like in the influence range to construct digital twin scenes of the emergency disaster scene, necessary reference information can be provided for decision makers, and simulation deduction of comprehensive research analysis and development of the situation is quickly started to furthest reduce losses caused by the river basin geological disasters.
After the occurrence of the geological disaster, the unmanned aerial vehicle can carry out aviation flight on the disaster site, and carries out data processing on the aviation flight result to obtain an orthographic image and an oblique photography result, emergency disposal personnel can only see a single unmanned aerial flight result and can not carry out rapid fusion with water condition monitoring data, rain condition monitoring data, geological disaster deformation monitoring data, and data such as roads, resident points, hidden danger points, protective targets, rescue teams, rescue equipment, rescue goods and materials in an influence range, comprehensive research, judgment analysis and simulation deduction are carried out, the existing geological disaster emergency disposal method has singleness, meanwhile, the non-uniformity of departments and rescue forces, the information transmission non-smoothness and the non-fusion among systems lead to incomplete response to the actual condition and actual rescue condition of the emergency disaster site, and the emergency disposal decision support can not be accurately carried out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a comprehensive disposal method of a watershed emergency event based on digital twinning, which can promote the emergency disposal capability of the watershed emergency event through analyzing peripheral protection targets and rescue forces by docking hydrology, water regime, rain regime, unmanned aerial vehicle video data and inclination data.
The aim of the invention is realized by the following technical scheme: a digital twinning-based method for comprehensively handling a river basin emergency event, comprising the following steps:
s1, event acquisition: the method comprises the steps of obtaining emergency events occurring in a river basin through a docking earthquake platform, a river basin monitoring platform and a manual entry mode, superposing hydrology, water regime, rain regime, unmanned aerial vehicle video data and inclination data of an emergency event occurrence area on a map for fusion display, and obtaining occurrence time, type, influence degree and influence range of the emergency events;
s2, peripheral analysis: taking the position of an event as a circle center, and utilizing the space function of oracle to buffer and inquire a protection target and rescue force within a certain distance around the event;
s3, emergency analysis: based on the regional topography image, carrying out collaborative plotting, measurement analysis, profile analysis, influence contrast analysis, optimal path analysis and view output;
s4, data service: superposing configured geographic information data on the basis of terrain, images and three-dimensional scenes;
s5, automatically matching the plans and treatment schemes of the same or similar events according to the occurrence type and influence degree of the events, providing reference basis for emergency event research analysis and process treatment, and generating a treatment report for the events according to the stage conditions of the event treatment.
In the step S3, the specific implementation method of collaborative plotting is as follows: based on the regional topography image around the event occurrence point, a collaborative plotting icon comprising a dot line surface plotting, a plotting flag and a plotting arrow is provided, two longitude and latitude coordinates on a map are obtained by clicking based on the longitude and latitude obtained on the map as points, two coordinate points are connected through a front page to form a line, and surrounding areas with different longitudes and latitudes and connected end to end are obtained by clicking different positions on the map as faces.
In the step S3, the specific implementation method of the measurement analysis is as follows: providing a distance measuring, surface measuring and height measuring tool based on the topographic image of the surrounding area of the event occurrence point;
the specific ranging method comprises the following steps: acquiring longitude and latitude coordinates of two points on a map by clicking, connecting a front page with the two coordinate points to form a line, and obtaining the distance length between the two points or multiple points by calling a distance measuring and calculating formula;
the formula for measuring the distance is:
ranLon＝(m 1 -m 2 )π/180
ranLat＝(n 1 -n 2 )π/180
the mask measuring method comprises the following steps: by clicking different positions on the map to obtain surrounding areas with different longitudes and latitudes and connected end to end as faces, a face is assumed to be composed of N vertexes, and the vertex coordinates are expressed as (x) i ,y i ) The area calculation method is as follows:
(1) Projecting each vertex of the polygon to the x-axis to obtain a plurality of projection points, namely (a ', b ', c ', …), wherein two adjacent points and the projection points form a trapezoid to obtain a plurality of trapezoids;
(2) Calculating the area of each trapezoid;
(3) Adding the areas of the trapezoids to obtain the area of the polygon;
the specific method for measuring the height comprises the following steps: the corresponding longitude and latitude coordinates (m) are obtained by selecting any two points in the three-dimensional scene 1 n 1 ,m 2 n 2 ) And obtain the corresponding elevation value (z 1 ,z 2 ) Through |z 1 -z 2 I gets the difference in height between the two points.
In step S3, the specific implementation method of the profile analysis function is as follows: and selecting two points from the map to obtain an area to be analyzed, and obtaining an elevation trend chart by obtaining the elevation distribution condition in the straight line distance between the two points to form the section analysis data of the area.
In step S3, the impact comparison analysis refers to impact comparison of the peripheral range of the occurrence point of the event, and the specific implementation method is as follows: and comparing the influence of the roller shutter analysis mode on the event before and after the event, and knowing the influence degree of the event on the region.
In step S3, the specific implementation method of the optimal path analysis function is as follows: and analyzing the path planning condition between any two points or multiple points in the event peripheral area by combining the road basic data, calling an optimal path algorithm of a sky map through a public interface, transmitting the coordinate information of a starting point or a plurality of passing points transmitted according to the requirement to obtain path coordinate range information fed back by the interface, rendering on a front page, and drawing the path planning information between the starting point and the passing points and the corresponding passing time and distance.
The beneficial effects of the invention are as follows: according to the invention, by analyzing the hydrology, the water regime, the rain regime, the unmanned aerial vehicle video data and the inclination data and analyzing the surrounding protection targets and the rescue force, an analysis decision function in an emergency scene can be provided, and a standardized flow and omnibearing data access are provided for each emergency event treatment by combining map data, so that the emergency treatment capability for the river basin emergency event is improved.
Drawings
FIG. 1 is a flow chart of a method of comprehensive handling of a river basin emergency of the present invention;
FIG. 2 is a schematic view of the projection of each vertex of the polygon to the x-axis according to the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the comprehensive treatment method of the drainage basin emergency based on digital twinning comprises the following steps:
s1, event acquisition: the emergency event occurring in the river basin is acquired through the abutting earthquake platform, the river basin monitoring platform and the manual entry mode, hydrology, water regime, rain regime, unmanned aerial vehicle video data and inclination data of the emergency event occurrence area are overlapped on a map to be subjected to fusion display (the hydrology, the water regime, the rain regime, the unmanned aerial vehicle video data and the inclination data are subjected to fusion display through map operation or are overlapped on the map), the display mode and achievement are also called digital twinning, the real model of the accident place is restored through a three-dimensional scene, some data monitoring conditions around the accident place are displayed, and the occurrence time, the type, the influence degree and the influence range of the emergency event are acquired;
s2, peripheral analysis: taking the position of an event as a circle center, and utilizing the space function of oracle to buffer and inquire a protection target and rescue force within a certain distance around the event; through buffer analysis of the surrounding area of the emergency, surrounding protection targets including hydropower stations, risk points, hidden danger points, schools, dangerous chemical enterprises, fueling and gas stations, hospitals and the like are displayed, and surrounding rescue forces including emergency teams and rescue material warehouses are displayed in a superimposed manner by combining with a GIS platform so as to analyze the position distribution situation of each protection target and rescue force and provide a visual platform support for emergency treatment rescue and protection work; the buffer radius can be manually switched according to the requirement, so that the comprehensive display of the protection targets and rescue forces around the emergency event is realized.
S3, emergency analysis: based on the regional topography images, collaborative plotting, measurement analysis, profile analysis, impact comparison analysis, optimal path analysis and view output are carried out, so that complete information is provided for emergency analysis such as emergency expert analysis, early warning and judgment, emergency treatment, resource scheduling, personnel evacuation and the like;
the concrete implementation method of the collaborative plotting comprises the following steps: providing a collaborative plotting icon comprising a dot line surface plot, a plotting flag and a plotting arrow on the basis of a topographic image of a surrounding area of an event occurrence point, acquiring two longitude and latitude coordinates on a map by clicking on the basis of the longitude and latitude acquired on the map as points, connecting the two coordinate points to form a line by a front page, and acquiring surrounding areas which are different in longitude and latitude and are connected end to end by clicking different positions on the map as faces; the collaborative plotting icons of the plotting flags and the plotting arrows are basic operations of the GIS, and are not repeated here.
The specific implementation method of the measurement analysis comprises the following steps: providing a distance measuring, surface measuring and height measuring tool based on the topographic image of the surrounding area of the event occurrence point;
the specific ranging method comprises the following steps: acquiring longitude and latitude coordinates of two points on a map by clicking, connecting a front page with the two coordinate points to form a line, and obtaining the distance length between the two points or multiple points by calling a distance measuring and calculating formula;
the distance between two points needs to be calculated by involving a southern hemisphere, a northern hemisphere and an east-west hemisphere, and the data processing needs to be processed respectively, the earth is a nearly standard ellipsoid, the equatorial radius of the earth is 6378.140 km, the polar radius is 6356.755 km, and the average radius is 6371.004 km. Assuming that the earth is a perfect sphere, its radius is the average radius of the earth, denoted R. If the longitude of 0 degree is used as a reference, the earth surface distance between any two points on the earth surface can be calculated according to the longitude and latitude of the two points (the error caused by the earth surface topography to calculation is ignored here, and only a theoretical estimated value is obtained). Let the Longitude and Latitude of the first point A be (LonA, latA), the Longitude and Latitude of the second point B be (LonB, latB), take the positive value of Longitude by east Longitude (Longitude) according to the standard of 0 degree Longitude, take the negative value of Longitude by west Longitude (-Longitude), take the 90-Latitude value by north Latitude (90-Latitude), take the 90+ Latitude value by south Latitude (90+Latitude) then derive according to triangle, can get the formula for calculating the two-point distance. The formula for measuring the distance is:
ranLon＝(m 1 -m 2 )π/180
ranLat＝(n 1 -n 2 )π/180
the mask measuring method comprises the following steps: by clicking different positions on the map to obtain surrounding areas with different longitudes and latitudes and connected end to end as faces, a face is assumed to be composed of N vertexes, and the vertex coordinates are expressed as (x) i ,y i ) The area calculation method is as follows:
(1) Projecting each vertex of the polygon to the x-axis to obtain a plurality of projection points, denoted as (a ', b ', c ', …), wherein two adjacent points and the projection points form a trapezoid as shown in fig. 2, so as to obtain a plurality of trapezoids;
(2) Calculating the area of each trapezoid;
(3) Adding the areas of the trapezoids to obtain the area of the polygon;
the specific method for measuring the height comprises the following steps: the corresponding longitude and latitude coordinates (m) are obtained by selecting any two points in the three-dimensional scene 1 n 1 ,m 2 n 2 ) And obtain the corresponding elevation value (z 1 ,z 2 ) Through |z 1 -z 2 I gets the difference in height between the two points.
Providing a profile analysis function to rationally arrange the treatment process according to the profile analysis result during the treatment process; the specific implementation method comprises the following steps: and selecting two points from the map to obtain an area to be analyzed, and obtaining an elevation trend chart by obtaining the elevation distribution condition in the straight line distance between the two points to form the section analysis data of the area.
The impact comparison analysis refers to impact comparison of the peripheral range of the occurrence point of the event, and the specific implementation method comprises the following steps: and comparing the influence of the roller shutter analysis mode on the event before and after the event, and knowing the influence degree of the event on the region. Image service data to be compared are configured through the system management platform, influence service data to be compared are respectively loaded on the left side and the right side through a rolling screen by a front-end page, meanwhile, a map is operated to drag, zoom in and zoom out, and the influence of a disaster is known by comparing the difference of images.
The specific implementation method of the optimal path analysis function comprises the following steps: analyzing the path planning condition between any two points or multiple points of the event peripheral area by combining the road base data so as to reasonably allocate personnel and rescue materials according to the path planning distance and time in the treatment process; and calling an optimal path algorithm of the sky map through the public interface, inputting the coordinate information of the starting point or a plurality of passing points which are input according to the requirement, obtaining path coordinate range information fed back by the interface, rendering on a front page, and drawing path planning information between the starting point and the passing points and corresponding passing time and distance.
The view output function is provided, the view output function is reasonably utilized in the emergency treatment process, the event treatment condition can be analyzed and checked in a staged mode, the view output comprises view names, legends, compass, drawing related information and the like, and the information to be added is operated in the view working area by intercepting the information on the map to the view working area, wherein the view names, the legends, the compass, the drawing related information and the like.
S4, data service is used for realizing dynamic management of geographic information space data, aiming at the type of disaster event, basic geographic information data is configured in a self-defined mode, the configured geographic information data is overlapped on the basis of terrain, images and three-dimensional scenes, and OGC standard service, vector data, tile service, three-dimensional data and the like are supported. According to the time, place, type and influence degree of the event, configuring corresponding map service data, utilizing arcgis service platform to issue required map service, configuring corresponding service address on the system back-end management platform, acquiring the service address by front-end page, and then superposing and displaying in the map, wherein the map service data comprise plot data stored in a collaborative plot, map service data comprise oblique photography data, peripheral influence data and other map service data, and the like, and meanwhile, the superposition and displaying with the GIS platform can be controlled through a service switch.
S5, automatically matching the plans and treatment schemes of the same or similar events according to the occurrence type and influence degree of the events, providing reference basis for emergency event research analysis and process treatment, and generating a treatment report for the events according to the stage conditions of the event treatment. When a disaster occurs, the system performs fuzzy query through the above information in all case libraries of the system (the case libraries can be manually added at a management end through the system, or treatment report forming cases can be generated and stored to the system when event treatment is completed), the query result is displayed, an administrator selects a relatively close plan or scheme to bind according to actual conditions, historical data support is provided for the subsequent treatment process of the event, and meanwhile, treatment reports for the event can be generated at any time according to the stage conditions of event treatment, and the data are stored to the system forming case libraries.
Those of ordinary skill in the art will recognize that the embodiments described herein are for the purpose of aiding the reader in understanding the principles of the present invention and should be understood that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (6)
1. A digital twinning-based method for comprehensively handling a river basin emergency, comprising the following steps:
s1, event acquisition: the method comprises the steps of obtaining emergency events occurring in a river basin through a docking earthquake platform, a river basin monitoring platform and a manual entry mode, superposing hydrology, water regime, rain regime, unmanned aerial vehicle video data and inclination data of an emergency event occurrence area on a map for fusion display, and obtaining occurrence time, type, influence degree and influence range of the emergency events;
s2, peripheral analysis: taking the position of an event as a circle center, and utilizing the space function of oracle to buffer and inquire a protection target and rescue force within a certain distance around the event;
s3, emergency analysis: based on the regional topography image, carrying out collaborative plotting, measurement analysis, profile analysis, influence contrast analysis, optimal path analysis and view output;
s4, data service: superposing configured geographic information data on the basis of terrain, images and three-dimensional scenes;
s5, automatically matching the plans and treatment schemes of the same or similar events according to the occurrence type and influence degree of the events, providing reference basis for emergency event research analysis and process treatment, and generating a treatment report for the events according to the stage conditions of the event treatment.
2. The method for comprehensively handling a basin emergency event based on digital twinning according to claim 1, wherein in the step S3, the specific implementation method of collaborative plotting is as follows: based on the regional topography image around the event occurrence point, a collaborative plotting icon comprising a dot line surface plotting, a plotting flag and a plotting arrow is provided, two longitude and latitude coordinates on a map are obtained by clicking based on the longitude and latitude obtained on the map as points, two coordinate points are connected through a front page to form a line, and surrounding areas with different longitudes and latitudes and connected end to end are obtained by clicking different positions on the map as faces.
3. The method for comprehensively handling a basin emergency event based on digital twinning according to claim 1, wherein in the step S3, the specific implementation method of the measurement analysis is as follows: providing a distance measuring, surface measuring and height measuring tool based on the topographic image of the surrounding area of the event occurrence point;
the specific ranging method comprises the following steps: acquiring longitude and latitude coordinates of two points on a map by clicking, connecting a front page with the two coordinate points to form a line, and obtaining the distance length between the two points or multiple points by calling a distance measuring and calculating formula;
the formula for measuring the distance is:
ranLon＝(m 1 -m 2 )·π/180
ranLat＝(n 1 -n 2 )·π/180
d＝2·Math,asin(Math,sqrt(Math,pow(Math,sin(ratLat/2),2)
+Math,cos(m 1 ·π/180)·Math,cos(m 2 ·π/180)·Math,pow(Math,sin(radLon/2),2)))·R
wherein m is 1 、m 2 Longitude, n of two points respectively 1 、n 2 Latitude of two points respectively; the Math, asin method is used for returning the sine to the angle with the specified number, the Math, sin method is used for returning the sine value of the angle set as the parameter, the Math, sqrt method is used for returning the arithmetic square root, the Math, pow method is used for returning the Nth power of the base, the Math, cos method is used for returning the cosine value of the angle set as the parameter; r represents the earth radius;
the mask measuring method comprises the following steps: by clicking different positions on the map to obtain surrounding areas with different longitudes and latitudes and connected end to end as faces, a face is assumed to be composed of N vertexes, and the vertex coordinates are expressed as (x) i ,y i ) The area calculation method is as follows:
(1) Projecting each vertex of the polygon to the x-axis to obtain a plurality of projection points, namely (a ', b ', c ', …), wherein two adjacent points and the projection points form a trapezoid to obtain a plurality of trapezoids;
(2) Calculating the area of each trapezoid;
(3) Adding the areas of the trapezoids to obtain the area of the polygon;
the specific method for measuring the height comprises the following steps: the corresponding longitude and latitude coordinates (m) are obtained by selecting any two points in the three-dimensional scene 1 n 1 ,m 2 n 2 ) And obtain the corresponding elevation value (z 1 ,z 2 ) Through |z 1 -z 2 I gets the difference in height between the two points.
4. The method for comprehensively handling a basin emergency event based on digital twinning according to claim 1, wherein in the step S3, the profile analysis function is specifically implemented as follows: and selecting two points from the map to obtain an area to be analyzed, and obtaining an elevation trend chart by obtaining the elevation distribution condition in the straight line distance between the two points to form the section analysis data of the area.
5. The method for comprehensively handling the basin emergency event based on the digital twin according to claim 1, wherein in the step S3, the impact comparison analysis refers to impact comparison of the peripheral range of the occurrence point of the event, and the specific implementation method is as follows: and comparing the influence of the roller shutter analysis mode on the event before and after the event, and knowing the influence degree of the event on the region.
6. The method for comprehensively handling the basin emergency event based on the digital twin according to claim 1, wherein in the step S3, the optimal path analysis function is specifically implemented as follows: and analyzing the path planning condition between any two points or multiple points in the event peripheral area by combining the road basic data, calling an optimal path algorithm of a sky map through a public interface, transmitting the coordinate information of a starting point or a plurality of passing points transmitted according to the requirement to obtain path coordinate range information fed back by the interface, rendering on a front page, and drawing the path planning information between the starting point and the passing points and the corresponding passing time and distance.
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