3D Model Generation Using Plane Element Feedback
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Solution Overview
Problem
Conventional three-dimensional model generating methods using measurement data from coordinate measuring devices often result in inaccuracies due to measurement errors, leading to difficulties in generating models with desired shapes and accurate dimensions, requiring significant manual correction.
Innovation Solution
A three-dimensional model generating method and system that utilizes a calculator to create three-dimensional model elements based on measurement data, displaying both a three-dimensional image and a list of plane elements, allowing users to accurately ascertain and correct the position and shape of structural elements, and includes features for error correction and visualization of unused plane elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If conventional three-dimensional model generating methods are used with measurement data from coordinate measuring devices, then the model generation process can be automated, but measurement errors and conversion errors cause positions connecting plane element data to be offset, resulting in inaccurate model dimensions and shapes
Solution Approach 1:
The patent implements a feedback mechanism by displaying a list of plane elements corresponding to each structural element in the three-dimensional image. This allows users to verify the correspondence between measurement data and generated model elements, identify offset positions caused by measurement or conversion errors, and perform targeted corrections to restore dimensional accuracy while maintaining automated generation capabilities
Solution Approach 2:
The patent introduces an intermediary verification interface that acts as a mediator between the automated model generation process and the final model output. This interface displays both the three-dimensional model and a detailed list of plane elements, allowing users to detect and correct errors before finalizing the model, thus improving accuracy without completely automating the entire process
2Manufacturing precision
If manual closing process is performed to correct boundary line offsets between plane element data, then connection accuracy can be improved, but significant amounts of time are required for correction work
Solution Approach 1:
The patent enables users to perform self-verification and self-correction of boundary connections by displaying the correspondence list of plane elements. Users can independently identify offset positions and perform targeted corrections without requiring extensive manual intervention or professional expertise, thus improving connection accuracy while minimizing time investment
Solution Approach 2:
The patent performs preliminary organization and display of plane element data before final model generation. By pre-displaying the correspondence list and allowing users to verify and correct connections in advance, the system prevents error propagation to the final model, reducing the need for extensive post-processing corrections
3Productivity
If automated closing process is performed assuming all plane element data elements are closed, then model generation speed is improved, but the generated three-dimensional model shape may differ greatly from the actual measured object
Solution Approach 1:
The patent implements feedback by displaying the list of plane elements corresponding to each structural element, allowing users to verify whether automated closing assumptions are correct. Users can identify discrepancies between the automated model and actual measured object shapes, and perform targeted corrections to restore shape accuracy while maintaining the speed benefits of automated generation
Solution Approach 2:
The patent applies partial automation rather than complete automation. By allowing users to review and correct specific problematic areas while maintaining automated generation for the majority of the model, the system achieves a balance between generation speed and shape accuracy, avoiding the need to perform excessive manual correction work
Data Source
AI summary
A three-dimensional model generating method selecting a predetermined plane element defining a three-dimensional model element using measurement data, which includes measurement point group data obtained by measuring a measured object, a type of a plane element, and geometric values of the plane element; obtaining a condition required for generating a three-dimensional model element; generating the three-dimensional model element using the selected plane element and the obtained condition; and generating the three-dimensional model of the measured object using one or a plurality of three-dimensional model elements. A calculator displays a three-dimensional image corresponding to the measured object as well as a list of at least the structural elements which, of the plane elements included in the measurement data, configure the three-dimensional image.