3D Model Revision Visualization via Viewpoint Optimization
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Solution Overview
Problem
When editing three-dimensional shape data, it is challenging to display the revised parts clearly, as the existing methods fail to effectively show the changes between the original and edited models from a viewpoint that highlights the revised features.
Innovation Solution
An information processing system that identifies revised parts changed during editing and controls the image display based on specific viewpoints where the feature values of these parts satisfy predetermined conditions, allowing for clear visualization of changes by adjusting the display settings such as area or number of revised parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a configuration in which an image obtained by viewing the three-dimensional shape from a predetermined viewpoint is displayed is adopted, then the display setup is simple, but an image that allows the revised part to be easily confirmed is not able to be displayed
Solution Approach 1:
The system performs preliminary identification of revised parts by comparing the edited three-dimensional shape data with the original data before displaying the image. This allows the system to pre-determine which parts have changed and use this information to automatically select or adjust the viewpoint to ensure revised parts are visible in the displayed image.
Solution Approach 2:
The system changes the viewpoint parameters (position, angle, orientation) based on the identified revised parts. By adjusting these display parameters dynamically according to the location and characteristics of revised parts, the system ensures that the most relevant changes are prominently displayed while maintaining operational simplicity.
2Loss of information
If multiple viewpoints are evaluated to find the optimal viewing angle for revised parts, then the revised part visibility is improved, but the processing time and computational complexity increase
Solution Approach 1:
The system applies local quality by focusing computational resources on evaluating viewpoints that are most relevant to the identified revised parts. Instead of uniformly evaluating all possible viewpoints, the system concentrates analysis on specific viewing angles that are likely to best display the changed areas, reducing overall processing time while maintaining visibility quality.
Solution Approach 2:
The system performs partial evaluation by assessing only a subset of viewpoints that are most promising for displaying revised parts, rather than exhaustively evaluating all possible viewpoints. This selective approach achieves sufficient visibility improvement without the full computational cost of complete viewpoint analysis.
Data Source
AI summary
An information processing system includes one or plural processors configured to: identify at least one revised part changed between before and after editing of three-dimensional shape data representing a three-dimensional shape; and control a specific image that is based on the three-dimensional shape data and is obtained by viewing the three-dimensional shape from a specific viewpoint at which a feature value of the at least one revised part satisfies a predetermined condition to be displayed.