Outer Shell Determination for Composite 3D Models
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Solution Overview
Problem
Three-dimensional modeling applications face significant computational resource challenges when rendering and manipulating composite models with both exterior and interior geometry, as they require substantial processing power, often unnecessary for exterior-only views or manipulations.
Innovation Solution
A method to determine and isolate the outer shell of a composite three-dimensional model by identifying intersections between faces, splitting intersecting faces, and classifying faces as either part of the outer shell or interior geometry, allowing for the removal of interior components, thereby reducing computational demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If interior geometry is included in the composite three-dimensional model, then the model completeness is improved, but the computational resource consumption increases
Solution Approach 1:
The patent segments the composite three-dimensional model into two distinct parts: exterior geometry and interior geometry. By separating these components, the system can selectively process only the exterior geometry when interior details are not required, thereby reducing computational resource consumption while maintaining model completeness when needed
Solution Approach 2:
The patent implements partial action by allowing users to select whether to process and render only the exterior geometry or the complete model including interior geometry. When only exterior visualization is needed, the system performs partial processing on the exterior shell, avoiding the excessive computational resources that would be required to process the entire model including hidden interior elements
2Manufacturing precision
If interior geometry is rendered in the composite three-dimensional model, then the model detail is improved, but the rendering time increases
Solution Approach 1:
The patent divides the model rendering process into separate exterior and interior geometry processing streams. This segmentation allows the system to render only the exterior shell when detailed interior visualization is not required, significantly reducing rendering time while preserving the option to include interior details when model detail is prioritized
3Measurement precision
If interior geometry is included in the composite three-dimensional model, then the model accuracy is improved, but the processing speed decreases
Solution Approach 1:
The patent implements dynamic processing by allowing the system to adaptively adjust the level of geometry processing based on real-time user needs and operational context. When processing speed is prioritized, the system dynamically processes only exterior geometry; when model accuracy is prioritized, it processes the complete model including interior geometry, thus optimizing processing speed without permanently sacrificing model accuracy
Data Source
AI summary
In a computer-implemented method of determining an outer shell of a composite three-dimensional model, an indication of a plurality of initial faces of the composite three-dimensional model is received. A plurality of intersections between the plurality of initial faces is determined. A plurality of split faces is generated by splitting each of the plurality of initial faces that intersects another one or more of the plurality of initial faces into two or more split faces along one or more lines of intersection. It is determined whether each of the plurality of split faces and each of the plurality of initial faces that does not intersect another one or more of the plurality of initial faces corresponds to the outer shell or to an interior portion of the composite three-dimensional model.