3D Garment Style Line Deformation Propagation
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Solution Overview
Problem
Existing methods fail to accurately reflect changes in style lines of 3D garments on associated 2D patterns, making it difficult to simulate the dynamic appearance of garments on a person's body due to fabric flexibility and motion.
Innovation Solution
A method and apparatus that allow users to modify style lines in 3D garments, propagating these changes to associated 2D patterns while maintaining the overall shape and volume of the garment, using a mass-spring model to simulate fabric deformation based on user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If style lines are deformed to reflect design changes on a 3D garment, then the design flexibility is improved, but it is difficult to accurately reflect the changes on associated 2D patterns
Solution Approach 1:
The system dynamically updates 2D pattern lines based on 3D style line deformations. When a user modifies a style line on the 3D garment, the corresponding 2D pattern lines are automatically adjusted to reflect the same design changes, maintaining consistency between 3D visualization and 2D manufacturing patterns throughout the design process
Solution Approach 2:
The system implements a feedback mechanism where deformations applied to 3D style lines are propagated back to the 2D patterns. The deformation information flows from the 3D garment model to the associated 2D pattern lines, ensuring that pattern modifications accurately represent the intended design changes on the finished garment
2Reliability
If fabric flexibility is considered to simulate natural appearance, then the realism of garment simulation is improved, but the complexity of simulating motion and shape changes increases
Solution Approach 1:
The system uses 2D patterns as simplified representations (copies) of the 3D garment structure. By maintaining and updating these 2D pattern copies in response to 3D deformations, the system provides a computationally efficient way to track and visualize garment shape changes without requiring full 3D physics simulation for every design iteration
Solution Approach 2:
The garment is divided into multiple style lines and associated pattern lines that can be independently manipulated. This segmentation allows the system to handle complex deformations by breaking them down into manageable line segments, reducing the overall computational complexity while maintaining simulation realism
Data Source
AI summary
According to an example embodiment, a method and an apparatus for simulating a garment may receive, through a user interface expressing a three-dimensional (3D) garment, an input of deforming at least one style line among a plurality of style lines representing a style of the 3D garment, identify a first line corresponding to the style line among a plurality of lines included in a two-dimensional (2D) pattern corresponding to the 3D garment, deform the first line based on the input, deform the 2D pattern by propagating deformation of the first line to candidate lines associated with the first line, and output at least one of the deformed 2D pattern and the 3D garment in which the style line is deformed based on the deformed 2D pattern.