CN113284247B - Three-dimensional modeling method, system and storage medium for ocean engineering equipment - Google Patents
Three-dimensional modeling method, system and storage medium for ocean engineering equipment Download PDFInfo
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Abstract
The invention belongs to the technical field of three-dimensional modeling, and particularly relates to a three-dimensional modeling method, a three-dimensional modeling system and a storage medium for ocean engineering equipment, which comprise the following steps: s1, extracting ocean engineering equipment real scene information data, S2, inputting the ocean engineering equipment real scene information data in three-dimensional modeling software, setting modeling parameters, submitting modeling tasks, S3, virtualizing a plurality of virtual machines on each physical computer by using virtualization technology, S4, respectively allocating the modeling tasks to each physical computer according to modeling steps, S5, dividing the modeling tasks which are responsible for the physical computers into task blocks by each physical computer, allocating the task blocks to each virtual machine thereon for execution, and S6, displaying the three-dimensional model which is modeled through a front-end page. The invention greatly improves the modeling efficiency of three-dimensional modeling software, improves the modeling speed and can ensure the accuracy of the finally established three-dimensional model.
Description
Technical Field
The invention belongs to the technical field of three-dimensional modeling, and particularly relates to a three-dimensional modeling method, a three-dimensional modeling system and a storage medium for ocean engineering equipment.
Background
The ocean engineering equipment mainly refers to large-scale engineering equipment and auxiliary equipment in the aspects of ocean resource exploration, exploitation, processing, storage and transportation, management, logistics service and the like, has the characteristics of high technology, high investment, high output, high added value and high risk, and mainly comprises various drilling platforms, production platforms, lifting ships and the like. Because some facilities of the ocean engineering equipment are continuously exposed in seawater and corroded by seawater, and the maritime climate environment is complex, the ocean engineering equipment needs to be frequently checked and maintained for ensuring the safety of the ocean engineering equipment, but before the ocean engineering equipment is maintained at present, a worker firstly enters the field environment to check the ocean engineering equipment to determine the specific position needing to be maintained, and then the ocean engineering equipment can be maintained, the method for manually checking the ocean engineering equipment not only needs a large amount of manpower but also possibly has incomplete checking, the three-dimensional modeling technology can establish a high-quality and high-precision three-dimensional model according to the real scene information of the ocean engineering equipment, so that the worker can conveniently observe the conditions of each building on the ocean engineering equipment, but the problem that the operation efficiency is not high when the three-dimensional modeling method in the prior art is executed on a computer, and the model is usually checked after the modeling is completed, and the model needs to be modeled again once the model has deviation.
Disclosure of Invention
The invention aims to provide a three-dimensional modeling method, a three-dimensional modeling system and a storage medium for ocean engineering equipment. In order to achieve the purpose, the invention provides the following technical scheme:
a three-dimensional modeling method for ocean engineering equipment comprises the following steps:
s1, extracting the live-action information data of the ocean engineering equipment;
s2, inputting the ocean engineering equipment scene information data in the three-dimensional modeling software, setting modeling parameters and submitting a modeling task;
s3, virtualizing a plurality of virtual machines on each physical computer by using a virtualization technology;
s4, respectively distributing the modeling tasks to the physical computers according to the modeling steps;
s5, dividing the modeling task for each physical computer into task blocks, and distributing each task block to each virtual machine on the physical computer for execution;
and S6, displaying the three-dimensional model after modeling through a front page.
Further, in step S1, the method for extracting the live-action information data of the marine engineering equipment, which is provided by the present invention, includes: and extracting the live-action information data by an oblique photography technology, extracting the live-action information data by a laser radar technology, and carrying out fusion analysis on the two data.
Further, in step S4, the modeling steps of the three-dimensional modeling method for ocean engineering equipment provided by the present invention are as follows:
s41, carrying out triangulation on the ocean engineering equipment live-action information data;
s42, constructing dense point cloud data according to the data obtained through triangulation;
s43, establishing a three-dimensional model according to the dense point cloud data;
and S44, performing outer surface mapping on the three-dimensional model.
Further, in step S5, each physical computer allocates each task block to each virtual machine thereon for execution, and the specific execution steps are as follows:
s51, each virtual machine on the first physical computer executes the task block in charge of the virtual machine;
s52, when the execution of the task block by any virtual machine on the first physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to the second physical computer, otherwise, re-executing the task block;
s53, the second physical computer selects the virtual machine to execute the task block data transmitted by the first physical computer;
s54, when the execution of the task block by any virtual machine on the second physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to a third physical computer, otherwise, re-executing the task block;
s55, the third physical computer selects the virtual machine to execute the task block data transmitted by the second physical computer;
s56, when the execution of the task block by any virtual machine on the third physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to the fourth physical computer, otherwise, re-executing the task block;
s57, the fourth physical computer selects the virtual machine to execute the task block data transmitted by the third physical computer, the task block data is verified when the execution of the task block is completed, and the task block is executed again when the verification fails until each virtual machine completes the execution of the task block and the verification passes.
Further, in step S6, before the modeled three-dimensional model is displayed through the front page, the models obtained by completing each task block executed by the fourth physical computer need to be spliced.
The invention also provides a three-dimensional modeling system for the ocean engineering equipment, which comprises the following modules:
the first module is used for extracting the live-action information data of the ocean engineering equipment and storing the data;
the second module is used for setting modeling parameters and submitting a modeling task;
a third module, configured to virtualize a plurality of virtual machines on each physical computer by using a virtualization technology;
a fourth module for distributing the modeling tasks to the physical computers according to the modeling steps;
the fifth module is used for dividing the modeling task which is responsible for each physical computer into each task block by each physical computer and distributing each task block to each virtual machine on the physical computer for execution;
and the sixth module is used for displaying the three-dimensional model after modeling through the front page.
The present invention also provides a storage medium having stored therein instructions executable by a system for three-dimensional modeling of oceanographic engineering equipment, the instructions being executable by a processor comprised by a three-dimensional modeling system for oceanographic engineering equipment for implementing a three-dimensional modeling method for oceanographic engineering equipment as defined in any one of the above.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a three-dimensional modeling method for ocean engineering equipment, which comprises the steps of synchronously acquiring images from a vertical angle, four inclined angles and five different visual angles through an oblique photography technology, acquiring high-resolution images and textures of the top surface and side view of the ocean engineering equipment, acquiring high-precision data of the ocean engineering equipment through a laser radar technology, carrying out fusion analysis on the image data of the top surface and the side view of the ocean engineering equipment, supplementing the image information data acquired through the oblique photography technology with the data acquired through the laser radar technology, establishing a high-quality and high-precision three-dimensional model according to the fused image information data, and displaying the three-dimensional model on a front page. The invention can realize the three-dimensional modeling of the ocean engineering equipment, so that workers can conveniently observe the condition of the ocean engineering equipment so as to check and maintain the ocean engineering equipment in time, the safety of the ocean engineering equipment is better protected, and a large amount of manpower is saved.
2. The invention provides a three-dimensional modeling method for ocean engineering equipment, which comprises the steps of dividing a whole modeling task into a plurality of task blocks, respectively allocating the plurality of task blocks to each virtual machine on a first physical computer for execution, checking the executed task block data to verify the correctness of data processing when any virtual machine completes the execution of the task block, transmitting the executed task block data to a second physical computer if the data check is passed, and selecting one virtual machine of the second physical computer to continue the calculation processing of the subsequent steps on the task block data transmitted by the first physical computer through calculation; and if the data check is not passed, re-executing the task block until the executed task block data passes the data check, and the execution steps of each task block on each virtual machine on other physical computers can be analogized. In addition, data verification is performed after the execution of each task block is completed, the accuracy of data obtained after the execution of each task block is completed is guaranteed, the accuracy of the finally established whole three-dimensional model is further guaranteed, and the problem that the whole model needs to be reconstructed when the model is checked to find that a large error exists in the model after the establishment of the whole model is solved.
Drawings
FIG. 1 is a flow chart of a three-dimensional modeling method for ocean engineering equipment according to the present invention;
FIG. 2 is a flowchart illustrating the steps of building a three-dimensional model according to the present invention;
FIG. 3 is a specific flowchart of the steps performed by the task blocks of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a three-dimensional modeling method for ocean engineering equipment includes the following steps:
s1, extracting the live-action information data of the ocean engineering equipment;
s2, inputting the live-action information data of the ocean engineering equipment in the three-dimensional modeling software, setting modeling parameters and submitting a modeling task;
s3, virtualizing a plurality of virtual machines on each physical computer by using a virtualization technology;
s4, respectively distributing modeling tasks to each physical computer according to the modeling steps;
s5, each physical computer divides the modeling task in charge of the physical computer into task blocks, and distributes the task blocks to each virtual machine on the physical computer for execution;
and S6, displaying the three-dimensional model after modeling through a front page.
Specifically, in step S1, images are synchronously acquired from a vertical, four-oblique, and five different viewing angles by oblique photography, so that high-resolution images and textures of the top surface and side view of the marine engineering equipment can be acquired, high-precision data of the marine engineering equipment is acquired by laser radar technology, and is used for supplementing image information data acquired by oblique photography, and image data obtained by fusion analysis of the two image data is used for subsequently establishing a three-dimensional model of the marine engineering equipment.
Specifically, in step S2, image data obtained by fusion analysis of image data acquired by oblique photography and laser radar are first input into three-dimensional modeling software, then modeling parameters such as scale accuracy of modeling are set, and finally a modeling task is submitted, the three-dimensional modeling software can automatically generate a high-resolution three-dimensional model with realistic texture maps according to a series of two-dimensional images or a group of oblique images, the model has vivid effect and comprehensive elements, and has measurement accuracy, so that the real reduction energy of the real world brings people a sense of being personally on the scene, and workers can very conveniently observe the condition of the marine engineering equipment.
Specifically, in step S3, a plurality of virtual machines are virtualized on each physical computer using virtualization technology, and the virtualization technology can logically expand the hardware capacity and simplify the software reconfiguration process, for example, the virtualization technology of CPU can make a single CPU simulate multi-CPU parallel, the virtualization technology allows multiple virtual machines to be simultaneously run on one physical computer, each virtual machine is loaded with its own operating system, and application programs can run in mutually independent spaces without mutual influence, so as to significantly improve the work efficiency of the computer, and the modeling efficiency of the three-dimensional modeling software can be greatly improved and the modeling time can be shortened by simultaneously running modeling programs on multiple virtual machines.
Specifically, referring to fig. 2, in step S4, the modeling tasks are respectively assigned to the physical computers to be executed according to the modeling steps, and the detailed modeling steps are as follows:
s41, carrying out triangulation on the live-action information data of the ocean engineering equipment;
s42, constructing dense point cloud data according to the data obtained through triangulation;
s43, establishing a three-dimensional model according to the dense point cloud data;
and S44, performing outer surface mapping on the three-dimensional model.
The triangulation is a method for measuring a target distance by measuring angles of a target point and a known end point of a fixed datum line in trigonometry and geometry, the position, distance and other relations between point data on the appearance surface of the ocean engineering equipment can be obtained through triangulation, then dense point cloud data is formed by selecting a large amount of point data on the appearance surface of the ocean engineering equipment with small distance between the points, then a three-dimensional model is established through the dense point cloud data, and finally, the outer surface of the three-dimensional model is subjected to mapping, so that the purpose of really restoring the texture of the appearance surface of the ocean engineering equipment is achieved.
Specifically, referring to fig. 3, in step S5, each physical computer divides the task for modeling into task blocks, and allocates each task block to each virtual machine thereon for execution, where the execution steps of each task block are as follows:
s51, each virtual machine on the first physical computer executes the task block in charge of the virtual machine;
s52, when the execution of the task block by any virtual machine on the first physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to the second physical computer, otherwise, re-executing the task block;
s53, the second physical computer selects the virtual machine to execute the task block data transmitted by the first physical computer;
s54, when the execution of the task block by any virtual machine on the second physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to a third physical computer, otherwise, re-executing the task block;
s55, the third physical computer selects the virtual machine to execute the task block data transmitted by the second physical computer;
s56, when the execution of the task block by any virtual machine on the third physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to the fourth physical computer, otherwise, re-executing the task block;
s57, the fourth physical computer selects the virtual machine to execute the task block data transmitted by the third physical computer, the task block data is verified when the execution of the task block is completed, and the task block is executed again when the verification fails until each virtual machine completes the execution of the task block and the verification passes.
The method comprises the steps that a whole modeling task is divided into a plurality of task blocks, the plurality of task blocks are respectively distributed to each virtual machine on a first physical computer to be executed, when any virtual machine completes execution of the task blocks, the executed task block data needs to be checked firstly, correctness of data processing is verified, if the data check is passed, the executed task block data is transmitted to a second physical computer, and the second physical computer selects one virtual machine to continue to perform subsequent-step calculation processing on the task block data transmitted by the first physical computer through calculation; and if the data check is not passed, re-executing the task block until the executed task block data passes the data check, and the execution steps of each task block on each virtual machine on other physical computers can be analogized. In addition, data verification is performed after the execution of each task block is completed, the accuracy of data obtained after the execution of each task block is completed is guaranteed, the accuracy of the finally established whole three-dimensional model is further guaranteed, and the problem that the whole model needs to be reconstructed when the model is checked to find that a large error exists in the model after the establishment of the whole model is solved.
Specifically, in step S6, before the modeled three-dimensional model is displayed through the front page, since each virtual machine on the fourth physical computer respectively executes each task block and checks that a part of the entire three-dimensional model is obtained after passing, each part of the model needs to be spliced into a complete three-dimensional model.
The invention also provides a three-dimensional modeling system for the ocean engineering equipment, which comprises the following modules:
the first module is used for extracting the live-action information data of the ocean engineering equipment and storing the data;
the second module is used for setting modeling parameters and submitting a modeling task;
a third module, configured to virtualize a plurality of virtual machines on each physical computer by using a virtualization technology;
a fourth module for distributing modeling tasks to each of the physical computers according to the modeling steps;
the fifth module is used for dividing the modeling task which is responsible for each physical computer into each task block by each physical computer and distributing each task block to each virtual machine on the physical computer for execution;
and the sixth module is used for displaying the three-dimensional model after modeling through the front page.
The present invention also provides a storage medium having stored therein instructions executable by a system for three-dimensional modeling of oceanographic engineering equipment, the instructions being executable by a processor comprised by a three-dimensional modeling system for oceanographic engineering equipment for implementing a three-dimensional modeling method for oceanographic engineering equipment as defined in any one of the above.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A three-dimensional modeling method for ocean engineering equipment is characterized by comprising the following steps:
s1, extracting the live-action information data of the ocean engineering equipment;
s2, inputting the ocean engineering equipment scene information data in the three-dimensional modeling software, setting modeling parameters and submitting a modeling task;
s3, virtualizing a plurality of virtual machines on each physical computer by using a virtualization technology;
s4, respectively distributing the modeling tasks to the physical computers according to the modeling steps;
s5, each physical computer divides the modeling task in charge of the physical computer into task blocks, and distributes the task blocks to each virtual machine on the physical computer for execution;
in S5, each physical computer allocates each task block to each virtual machine thereon for execution, and the specific execution steps are as follows:
s51, each virtual machine on the first physical computer executes the task block in charge of the virtual machine;
s52, when the execution of the task block by any virtual machine on the first physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to the second physical computer, otherwise, re-executing the task block;
s53, the second physical computer selects the virtual machine to execute the task block data transmitted by the first physical computer;
s54, when the execution of the task block by any virtual machine on the second physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to a third physical computer, otherwise, re-executing the task block;
s55, the third physical computer selects the virtual machine to execute the task block data transmitted by the second physical computer;
s56, when the execution of the task block by any virtual machine on the third physical computer is completed, checking the task block data, and when the check is passed, transmitting the task block data to the fourth physical computer, otherwise, re-executing the task block;
s57, the fourth physical computer selects the virtual machine to execute the task block data transmitted by the third physical computer, the task block data is verified when the execution of the task block is completed, and the task block is executed again when the verification fails until each virtual machine completes the execution of the task block and the verification passes;
and S6, displaying the three-dimensional model after modeling through a front page.
2. The three-dimensional modeling method for ocean engineering equipment according to claim 1, wherein in S1, the method for extracting the real-world information data of ocean engineering equipment comprises: and extracting the live-action information data by an oblique photography technology, extracting the live-action information data by a laser radar technology, and carrying out fusion analysis on the two data.
3. The three-dimensional modeling method for ocean engineering equipment according to claim 1, wherein in S4, the modeling step is as follows:
s41, carrying out triangulation on the ocean engineering equipment live-action information data;
s42, constructing dense point cloud data according to the data obtained through triangulation;
s43, establishing a three-dimensional model according to the dense point cloud data;
and S44, performing outer surface mapping on the three-dimensional model.
4. The three-dimensional modeling method for ocean engineering equipment according to claim 1, wherein in S6, before displaying the modeled three-dimensional stereo model through the front end page, the models obtained by completing each task block executed by the fourth physical computer are required to be spliced.
5. A three-dimensional modeling system for ocean engineering equipment is characterized by comprising the following modules:
the first module is used for extracting the live-action information data of the ocean engineering equipment and storing the data;
the second module is used for setting modeling parameters and submitting a modeling task;
a third module, configured to virtualize a plurality of virtual machines on each physical computer by using a virtualization technology;
a fourth module for distributing the modeling tasks to the physical computers according to the modeling steps;
the fifth module is used for dividing the modeling task which is responsible by each physical computer into each task block and distributing each task block to each virtual machine on the physical computer for execution;
specifically, each physical computer allocates each task block to each virtual machine thereon for execution, and the method includes the following steps:
each virtual machine on the first physical computer executes the task block in charge of the virtual machine;
when any virtual machine on the first physical computer completes the execution of the task block, checking the task block data, and transmitting the task block data to the second physical computer when the check is passed, otherwise, re-executing the task block;
the second physical computer selects a virtual machine on the second physical computer to execute the task block data transmitted by the first physical computer;
when any virtual machine on the second physical computer completes the execution of the task block, checking the task block data, and transmitting the task block data to a third physical computer when the checking is passed, otherwise, re-executing the task block;
the third physical computer selects a virtual machine on the third physical computer to execute the task block data transmitted by the second physical computer;
when any virtual machine on the third physical computer completes the execution of the task block, the task block data is checked,
when the verification is passed, the data of the task block is transmitted to a fourth physical computer, otherwise, the task block is executed again;
the fourth physical computer selects the virtual machine to execute the task block data transmitted by the third physical computer, the task block data is verified when the execution of the task block is completed, and the task block is executed again when the verification is not passed until each virtual machine completes the execution of the task block and the verification is passed;
and the sixth module is used for displaying the three-dimensional model after modeling through the front page.
6. A storage medium having stored therein instructions executable by the system of claim 5, wherein the instructions when executed by a processor comprised by the system of claim 5 are adapted to implement a method of three-dimensional modeling for marine engineering equipment according to any of claims 1-4.
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