CN109472108B - Construction area investigation measuring and calculating method and system - Google Patents
Construction area investigation measuring and calculating method and system Download PDFInfo
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- CN109472108B CN109472108B CN201811409968.4A CN201811409968A CN109472108B CN 109472108 B CN109472108 B CN 109472108B CN 201811409968 A CN201811409968 A CN 201811409968A CN 109472108 B CN109472108 B CN 109472108B
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- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The invention discloses a construction area investigation and calculation method and a construction area investigation and calculation system, which belong to the technical field of building construction. And building a BIM model of the to-be-constructed area by using BIM software, performing space matching on the BIM model and a surrounding environment model of the to-be-constructed area to obtain an experiential virtual reality scene, and performing disassembly evaluation and early construction investigation on the basis of the virtual scene. The method can rapidly and accurately survey and calculate the to-be-constructed area for multiple times in the measurement period, and meets the requirements of large outdoor construction area, changeable construction environment and complex measurement planning.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction area investigation and calculation method and system.
Background
In the infrastructure, because the outdoor area of highway, railway earlier stage construction is big, and the environment is changeable and complicated, need plan the surrounding environment in the earlier stage of construction, calculate the building specification that needs to demolish.
The traditional method is that a measurer discharges the central line and well position of the pipeline according to the design drawing, and discharges the side line of the foundation pit according to the requirement of the central line of the pipeline and the excavation of the foundation pit. The measurer needs to calculate the height difference between the existing elevation and the designed elevation, dismantle the height difference, mark the designed piles, and retest the original landmark height of the construction section once to determine the excavation depth of the construction section. For areas with larger removal areas, the construction channels, waste soil stacking, filling borrowing, landslide treatment and off-line engineering reconstruction restoration are also required to be planned in advance, and the land for construction, supporting service facilities and the like is removed and returned. The uncertainty of the current period design of the highway and railway items and the unpredictability of some items in the construction process influence the strength and depth of overall planning of the land for the items, so that the construction period is tight and the construction period is required to be measured and planned for a plurality of times in a removed area. If the traditional method of measuring planning by means of measuring personnel is adopted, a large amount of manpower and material resources are consumed, the measuring efficiency is low, the requirement of variability of a construction area cannot be met, and the measurement and calculation are difficult to complete within a specified construction period.
Disclosure of Invention
The invention aims to provide a construction area investigation and calculation method so as to improve measurement planning efficiency.
In order to achieve the above object, the present invention adopts a construction area investigation and calculation method, comprising:
carrying task equipment by using an unmanned aerial vehicle, flying in a region to be detected according to a preset route, and collecting surface data of the region to be detected by using the task equipment;
performing space triangulation operation by using the surface data of the region to be measured to obtain a surrounding environment model of the region to be measured;
building a BIM model of the region to be tested, and building a vector line segment of the region to be tested;
performing space matching on the surrounding environment model, the BIM model and the vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected;
and obtaining a survey and calculation result of the region to be measured according to the three-dimensional live-action virtual model of the region to be measured.
Preferably, the surface data includes a photograph of the area to be measured taken by the task equipment and GPS information of a photographing point.
Preferably, before the task device is carried by the unmanned aerial vehicle and flies in the area to be measured according to a preset route, the method further includes:
marking at least three control points in the region to be detected, wherein the control points are uniformly distributed in the region to be detected;
coordinate values of the control points are measured using the RTK.
Preferably, the performing a spatial triangulation operation by using the surface data of the area to be measured to obtain a surrounding environment model of the area to be measured includes:
matching the GPS information of the photographing point with the photographed photo of the region to be measured to obtain a photo with the GPS information;
importing the photo with the GPS information into Context Capture software;
adding the control point in the Context Capture software, and adding the coordinate value of the control point to the corresponding control point;
marking the position of the control point in the photo with GPS information to obtain a photo with the control point marked;
and processing the photo of the marked control point by using space triangulation operation to obtain a surrounding environment model of the region to be detected.
Preferably, the processing the photo of the mark control point by using a space triangulation operation to obtain a surrounding environment model of the area to be measured includes:
processing the photo of the marked control point by using space triangulation operation to obtain a space triangulation result;
and obtaining a surrounding environment model of the region to be measured according to the space triangulation result and the set model generation parameters.
Preferably, after the obtaining the surrounding environment model of the area to be measured, the method further includes:
according to the characteristics of the region to be detected, repairing the surrounding environment model of the region to be detected to obtain a repaired surrounding environment model;
correspondingly, the space matching is carried out on the surrounding environment model, the BIM model and the vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected, which comprises the following specific steps:
and carrying out space matching on the repaired surrounding environment model, the BIM model of the region to be detected and the vector line segment to obtain a three-dimensional live-action virtual model of the region to be detected.
Preferably, the building the BIM model of the area to be measured and the vector line segment of the area to be measured includes:
building a BIM model of the interest area to be tested by using BIM software;
and obtaining a vector line segment of the region to be detected by utilizing the CAD drawing of the region to be detected, and generating a document in a corresponding format.
Preferably, the performing space matching on the surrounding environment model, the BIM model and the vector line segment of the area to be detected to obtain a three-dimensional live-action virtual model of the area to be detected includes:
and under the WGS84 coordinates of the graphic platform, importing a surrounding environment model, a BIM model and a vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected.
Preferably, the obtaining a survey measurement result of the area to be measured according to the three-dimensional live-action virtual model of the area to be measured includes:
in the three-dimensional live-action virtual model of the region to be detected, analyzing and marking collision intrusion buildings, roads and pipelines in the symptomatic red line and the BIM model to obtain a symptomatic migration scheme;
obtaining a building plan of the region to be tested according to the topography, the position information and the geometric dimension in the three-dimensional live-action virtual model of the region to be tested;
and carrying out construction channel line selection of the region to be detected by utilizing the plane information and the elevation information in the three-dimensional live-action virtual model of the region to be detected.
On the other hand, the construction area investigation and calculation system comprises an acquisition module, a surrounding environment model construction module, a BIM model construction module, a three-dimensional live-action virtual module construction module and a model application module;
the acquisition module is used for carrying task equipment by using an unmanned aerial vehicle, flying in the region to be detected according to a preset route, and acquiring ground surface data of the region to be detected by using the task equipment;
the surrounding environment model construction module is used for carrying out space triangulation operation by utilizing the earth surface data of the region to be detected to obtain a surrounding environment model of the region to be detected;
the BIM model building module is used for building a BIM model of the region to be tested and a vector line segment of the region to be tested;
the three-dimensional live-action virtual module building module is used for carrying out space matching on the surrounding environment model, the BIM model and the vector line segments of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected;
the model application module is used for obtaining a survey and calculation result of the region to be measured according to the three-dimensional live-action virtual model of the region to be measured.
Compared with the prior art, the invention has the following technical effects: according to the invention, unmanned aerial vehicles are used for investigation of road and railway early construction, investigation of early-stage removal areas is carried out, and the surrounding environment of the areas to be constructed and the conditions of buildings to be removed can be accurately and rapidly obtained. And building a BIM model of the to-be-constructed area by using BIM software, performing space matching on the BIM model and a surrounding environment model of the to-be-constructed area to obtain an experiential virtual reality scene, and performing disassembly evaluation and early construction investigation on the basis of the virtual scene. The method can rapidly and accurately survey and calculate the to-be-constructed area for multiple times in the measurement period, and meets the requirements of large outdoor construction area, changeable construction environment and complex measurement planning.
Drawings
The following detailed description of specific embodiments of the invention refers to the accompanying drawings, in which:
FIG. 1 is a flow chart of a construction area survey and calculation method;
FIG. 2 is a schematic diagram of a construction area survey and calculation system.
Detailed Description
For a further description of the features of the present invention, refer to the following detailed description of the invention and the accompanying drawings. The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present embodiment discloses a construction area investigation and calculation method, which includes steps S1 to S5 as follows:
s1, carrying task equipment by using an unmanned aerial vehicle, flying in a region to be detected according to a preset route, and acquiring ground surface data of the region to be detected by using the task equipment;
the planning process of the route preset in this embodiment is: taking the geographical position, line trend, precision requirement, take-off and landing points and other factors of the region to be measured into consideration, calculating the flight height, flight speed, shooting interval, flight track and other execution parameters of the unmanned aerial vehicle by utilizing route planning software (such as DJI GISpro and altizure), and controlling the unmanned aerial vehicle to acquire aviation images.
Specifically, ground resolution determines fly height:
the ground resolution is 0.01 m, and the flying height of the unmanned aerial vehicle is 50 m; ground resolution is 0.02 m, and unmanned aerial vehicle fly height is 100 m.
Specifically, the flying height determines the flying speed:
the flight height of the unmanned aerial vehicle is 50 meters, and the flight speed is 2 meters/second;
the flight height of the unmanned aerial vehicle is 60 meters, and the flight speed of the unmanned aerial vehicle is 3 meters/second;
the flight height of the unmanned aerial vehicle is 80 meters, and the flight speed is 4 meters/second;
the unmanned aerial vehicle fly height is 100 meters, and the flight speed is 5 meters/second.
Specifically, the flying speed determines the distance between the fixed shots: flight speed x 3.12 = photo distance.
And uploading the planned route data to the unmanned aerial vehicle, sending a take-off instruction through the ground, and enabling the unmanned aerial vehicle to climb to a designated height and enabling the route starting point to start to execute tasks according to the planned route. After the task is finished, the unmanned aerial vehicle automatically returns to the navigation. And copying the photo and the GPS file by ground personnel, and ending the field collection after confirming that the data has no problem.
S2, performing space triangulation operation by using the surface data of the region to be detected to obtain a surrounding environment model of the region to be detected;
it should be noted that, the surface data of the area to be measured is imported into Context Capture software to perform space triangulation operation, a result model is output, and integrated application is performed on third party software (such as google earth, localspace) to obtain a surrounding environment model of the area to be measured.
S3, building a BIM model of the region to be detected, and vector line segments of the region to be detected;
it should be noted that, in practical application, a model BIM model (for example OBJ, IFC, FBX) with different formats can be produced according to different application environments.
Specifically, the vector line segments can be generated by CAD design drawings, the vector line segments are established according to the requirements of construction conditions (such as symptomatic red lines, buildings, pipelines, marks and the like), and documents (such as KML, XML, csv and the like) with corresponding formats are generated.
S4, performing space matching on the surrounding environment model, the BIM model and the vector line segments of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected;
s5, obtaining a survey and calculation result of the region to be measured according to the three-dimensional live-action virtual model of the region to be measured.
It should be noted that, this scheme uses unmanned aerial vehicle to survey highway, railway earlier stage construction, surveys earlier stage removal region, can accurately quick obtain the regional surrounding environment of waiting to be under construction and the building condition that needs to be removed. And building a BIM model of the to-be-constructed area by using BIM software, performing space matching on the BIM model and a surrounding environment model of the to-be-constructed area to obtain an experiential virtual reality scene, and performing disassembly evaluation and early construction investigation on the basis of the virtual scene. The method can rapidly and accurately survey and calculate the to-be-constructed area for multiple times in the measurement period.
Preferably, the surface data includes a photograph of the area to be measured taken by the unmanned aerial vehicle oblique photography and GPS information of a photographing point.
Preferably, in said step S1: the unmanned aerial vehicle is used for carrying task equipment, flying is carried out in an area to be detected according to a preset route, and before the task equipment is used for collecting ground surface data of the area to be detected, the unmanned aerial vehicle further comprises:
marking at least three control points in the region to be detected, wherein the control points are uniformly distributed in the region to be detected;
coordinate values of the control points are measured using the RTK.
It should be noted that the at least three control points are not on the same straight line, and the WGS-84 geodetic longitude and latitude and ellipsoidal height of the control points are measured by RTK, so as to be fused into the Context Capture software for resolving later. According to the embodiment, at least 3 control points are selected in the region to be detected, so that a model of the surrounding environment of the region to be detected with higher absolute precision can be obtained, and the data splicing precision of the large-area multi-frame model is improved.
Preferably, the step S2: the method for obtaining the surrounding environment model of the region to be measured by using the surface data of the region to be measured to perform space triangulation operation specifically comprises the following steps S21 to S25:
s21, matching the GPS information of the photographing point with the photographed photo of the region to be measured to obtain a photo with the GPS information;
s22, importing the photo with the GPS information into Context Capture software;
it should be noted that, in this embodiment, after the photo with GPS information is imported into the software, the POS point is checked, and at the same time, the redundant photo is deleted, for example, the photo that is not on the airlines in the take-off and landing process, so that the unnecessary data is removed, and the data calculation achievement rate is ensured.
S23, adding the control points in the Context Capture software, and adding coordinate values of the control points to corresponding control points;
s24, marking the position of the control point in the photo with the GPS information to obtain a photo with the marked control point;
it should be noted that the same control point needs to be marked in at least 3 different photos, so that the point can be accurately identified and positioned in the graphic calculation process.
S25, processing the photo of the mark control point by using space triangulation operation to obtain a surrounding environment model of the region to be detected.
In the aerial triangulation, control point encryption is performed indoors based on a small number of field control points, and the height and planar position of the encrypted points are obtained. A method for encrypting control points indoors in aerial photogrammetry uses the inherent geometric characteristics of the photo. The method is to build a corresponding model of the aerial route or regional network (optical or digital) in the same field by using continuously shot aerial photographs with a certain overlap according to a small number of field control points by a photogrammetry method, thereby obtaining the plane coordinates and the elevation of the encryption points.
Preferably, the step S25: processing the photo of the mark control point by using space triangulation operation to obtain a surrounding environment model of the region to be detected, wherein the method specifically comprises the following steps:
processing the photo of the marked control point by using space triangulation operation to obtain a space triangulation result;
and obtaining a surrounding environment model of the region to be measured according to the space triangulation result and the set model generation parameters.
Specifically, after the space triangulation result is obtained, determining a model boundary, dividing a model tile into blocks, setting production precision, setting a model type, setting a model format, selecting a coordinate system, selecting tile production, submitting production and previewing results are performed in Context Capture software.
Specifically, in the embodiment, the three-dimensional live-action model is output in different formats for the third party software to integrate the models, integrate the data, and provide value-added services for project construction by using the live-action model data to the greatest extent.
Preferably, after obtaining the surrounding environment model of the area to be measured, the method further comprises:
according to the characteristics of the region to be detected, repairing the surrounding environment model of the region to be detected to obtain a repaired surrounding environment model;
accordingly, the step S4: performing space matching on a surrounding environment model, a BIM model and a vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected, wherein the three-dimensional live-action virtual model specifically comprises:
and carrying out space matching on the repaired surrounding environment model, the BIM model of the region to be detected and the vector line segment to obtain a three-dimensional live-action virtual model of the region to be detected.
It should be noted that, in the present embodiment, the model trimming is mainly to repair and remove the holes, distortion and unnecessary components existing in the surrounding environment model, so that the model is more attractive and is more beneficial to integration with the third party software model.
Preferably, the step S4: performing space matching on a surrounding environment model, a BIM model and a vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected, wherein the method specifically comprises the following steps:
importing a surrounding environment model into Descartes software in a 3MX format, extracting terrain model information, generating contour lines, importing Power Civil software in a tin format to create a road model, and calculating earthwork quantity and related BIM application;
the microstructure is imported into the lumenRT through one key, illumination simulation is carried out, model detail optimization, video output and other visual rendering are carried out, and therefore construction projects are better displayed;
the surrounding environment model is guided into WGS84 coordinates (such as Locaspace, skyLine and blue star system platform) of the GIS platform, and is combined with the GIS to carry out measurement, analysis and management information system integration, so that high-precision basic data is provided for the system platform, and the project is displayed more comprehensively.
Preferably, the step S5: according to the three-dimensional live-action virtual model of the region to be measured, obtaining a survey and calculation result of the region to be measured, specifically comprising the following steps:
in the three-dimensional live-action virtual model of the region to be detected, analyzing and marking collision intrusion buildings, roads and pipelines in the symptomatic red line and the BIM model to obtain a symptomatic migration scheme;
obtaining a building plan of the region to be tested according to the topography, the position information and the geometric dimension in the three-dimensional live-action virtual model of the region to be tested;
and carrying out construction channel line selection of the region to be detected by utilizing the plane information and the elevation information in the three-dimensional live-action virtual model of the region to be detected.
The three-dimensional live-action virtual model constructed in the embodiment can be used for early construction investigation of roads and railways and migration investigation of a migration area, a target fine model is established by utilizing BIM software, and a surrounding environment model of a target is established by utilizing an oblique photogrammetry technology; then, performing model space matching on the BIM model and the oblique photogrammetry model to form an experientable virtual reality scene; finally, a migration evaluation and standardization scheme based on the virtual model is provided, so that repeated investigation and measurement can be performed in a short time, and the requirements of construction precision and construction period are met.
As shown in fig. 2, the embodiment discloses a construction area investigation and calculation system, which comprises an acquisition module 10, a surrounding environment model construction module 20, a BIM model construction module 30, a three-dimensional live-action virtual module construction module 40 and a model application module 50;
the acquisition module 10 is used for carrying task equipment by using an unmanned aerial vehicle, flying in a region to be detected according to a preset route, and acquiring ground surface data of the region to be detected by using the task equipment;
the surrounding environment model construction module 20 is used for carrying out space triangulation operation by utilizing the earth surface data of the region to be detected to obtain a surrounding environment model of the region to be detected;
the BIM model building module 30 is used for building a BIM model of the region to be tested and vector line segments of the region to be tested;
the three-dimensional live-action virtual module 40 building module is used for performing space matching on the surrounding environment model, the BIM model and the vector line segments of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected;
the model application module 50 is configured to obtain a survey measurement result of the region to be measured according to the three-dimensional real-scene virtual model of the region to be measured.
It should be noted that, each functional module in this embodiment is configured to implement each flow step in the above construction area investigation and calculation method, which is not described herein again.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. A construction area survey and calculation method, characterized by comprising:
carrying task equipment by using an unmanned aerial vehicle, flying in a region to be detected according to a preset route, and collecting surface data of the region to be detected by using the task equipment;
performing space triangulation operation by using the surface data of the region to be measured to obtain a surrounding environment model of the region to be measured, wherein the method comprises the following steps: matching the GPS information of the photographing point with the photographed photo of the region to be measured to obtain a photo with the GPS information; importing the photo with the GPS information into Context Capture software; adding control points in the Context Capture software, and adding coordinate values of the control points to corresponding control points; marking the position of the control point in the photo with GPS information to obtain a photo with the control point marked; processing the photo of the marked control point by using space triangulation operation to obtain a surrounding environment model of the region to be detected; wherein the control points are at least three control points uniformly distributed in the region to be detected;
the processing the photo of the mark control point by using the space triangulation operation to obtain a surrounding environment model of the region to be detected comprises the following steps: processing the photo of the marked control point by using space triangulation operation to obtain a space triangulation result; obtaining a surrounding environment model of the region to be measured according to the space triangulation result and the set model generation parameters;
building a BIM model of the region to be tested, and building a vector line segment of the region to be tested;
performing space matching on the surrounding environment model, the BIM model and the vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected;
obtaining a survey and calculation result of the region to be measured according to the three-dimensional live-action virtual model of the region to be measured, wherein the method comprises the following steps: in the three-dimensional live-action virtual model of the region to be detected, analyzing and marking collision intrusion buildings, roads and pipelines in the symptomatic red line and the BIM model to obtain a symptomatic migration scheme; obtaining a building plan of the region to be tested according to the topography, the position information and the geometric dimension in the three-dimensional live-action virtual model of the region to be tested; and carrying out construction channel line selection of the region to be detected by utilizing the plane information and the elevation information in the three-dimensional live-action virtual model of the region to be detected.
2. The construction area survey measurement method of claim 1, wherein the surface data includes photographs of the area to be measured taken by the task equipment and GPS information of a photographing point.
3. The survey and calculating method of a construction area according to claim 2, wherein before the task equipment is carried by the unmanned aerial vehicle and flown in a predetermined route in the area to be measured, the task equipment is used to collect the surface data of the area to be measured, the method further comprises:
marking at least three control points in the region to be measured;
coordinate values of the control points are measured using the RTK.
4. The construction area survey measurement method of claim 1, further comprising, after the obtaining the surrounding environment model of the area to be measured:
according to the characteristics of the region to be detected, repairing the surrounding environment model of the region to be detected to obtain a repaired surrounding environment model;
correspondingly, the space matching is carried out on the surrounding environment model, the BIM model and the vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected, which comprises the following specific steps:
and carrying out space matching on the repaired surrounding environment model, the BIM model of the region to be detected and the vector line segment to obtain a three-dimensional live-action virtual model of the region to be detected.
5. The construction area survey and calculating method of claim 1, wherein the building of the BIM model of the area to be measured and the vector line segment of the area to be measured comprises:
building a BIM model of the interest area to be tested by using BIM software;
and obtaining a vector line segment of the region to be detected by utilizing the CAD drawing of the region to be detected, and generating a document in a corresponding format.
6. The construction area investigation and calculation method of claim 1, wherein the performing spatial matching on the surrounding environment model, the BIM model and the vector line segment of the area to be measured to obtain a three-dimensional live-action virtual model of the area to be measured comprises:
and under the WGS84 coordinates of the graphic platform, importing a surrounding environment model, a BIM model and a vector line segment of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected.
7. The construction area investigation and calculation system is characterized by comprising an acquisition module, a surrounding environment model construction module, a BIM model construction module, a three-dimensional live-action virtual module construction module and a model application module;
the acquisition module is used for carrying task equipment by using an unmanned aerial vehicle, flying in the region to be detected according to a preset route, and acquiring ground surface data of the region to be detected by using the task equipment;
the surrounding environment model construction module is used for carrying out space triangulation operation by utilizing the earth surface data of the region to be detected to obtain a surrounding environment model of the region to be detected, and comprises the following steps: matching the GPS information of the photographing point with the photographed photo of the region to be measured to obtain a photo with the GPS information; importing the photo with the GPS information into Context Capture software; adding control points in the Context Capture software, and adding coordinate values of the control points to corresponding control points; marking the position of the control point in the photo with GPS information to obtain a photo with the control point marked; processing the photo of the marked control point by using space triangulation operation to obtain a surrounding environment model of the region to be detected; wherein the control points are at least three control points uniformly distributed in the region to be detected;
the processing the photo of the mark control point by using the space triangulation operation to obtain a surrounding environment model of the region to be detected comprises the following steps: processing the photo of the marked control point by using space triangulation operation to obtain a space triangulation result; obtaining a surrounding environment model of the region to be measured according to the space triangulation result and the set model generation parameters;
the BIM model building module is used for building a BIM model of the region to be tested and a vector line segment of the region to be tested;
the three-dimensional live-action virtual module building module is used for carrying out space matching on the surrounding environment model, the BIM model and the vector line segments of the region to be detected to obtain a three-dimensional live-action virtual model of the region to be detected;
the model application module is used for obtaining a survey and calculation result of the region to be measured according to the three-dimensional live-action virtual model of the region to be measured, and comprises the following steps: in the three-dimensional live-action virtual model of the region to be detected, analyzing and marking collision intrusion buildings, roads and pipelines in the symptomatic red line and the BIM model to obtain a symptomatic migration scheme; obtaining a building plan of the region to be tested according to the topography, the position information and the geometric dimension in the three-dimensional live-action virtual model of the region to be tested; and carrying out construction channel line selection of the region to be detected by utilizing the plane information and the elevation information in the three-dimensional live-action virtual model of the region to be detected.
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| CN110096773A (en) * | 2019-04-17 | 2019-08-06 | 中广核工程有限公司 | Threedimensional model batch processing method and system for the exploitation of nuclear power station virtual emulation |
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