Multi-Layer CAD Renderer Boundary Alignment
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Solution Overview
Problem
Existing technologies face challenges in efficiently rendering and aligning multiple layers in computer-aided design (CAD) documents, particularly when these layers have different sizes and coordinate systems, leading to misalignment and user interaction discrepancies.
Innovation Solution
The system generates a CAD boundary layer based on the outer boundaries of selected layers, scales other layers to match this boundary layer, and aligns a visual layer with an interactive layer in a merged graphics layer, ensuring accurate user interaction detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple layers with different sizes and coordinate systems are rendered directly, then rendering efficiency is maintained, but misalignment and interaction accuracy deteriorate
Solution Approach 1:
The system performs preliminary scaling and alignment of layers to a common coordinate system before rendering. The processor scales each layer according to its size relative to a reference layer and adjusts coordinate systems in advance, ensuring layers are pre-aligned to prevent misalignment during rendering and user interaction.
Solution Approach 2:
The patent introduces an intermediate processing step that acts as a mediator between layers of different sizes. The system creates a unified coordinate framework that intermediates between disparate layer coordinate systems, enabling accurate alignment without requiring direct coordinate transformation between all layer pairs.
2Manufacturing precision
If layers are scaled to match different sizes, then alignment accuracy improves, but processing complexity increases
Solution Approach 1:
The system changes the parameter of coordinate systems by scaling layers to match a reference size. The processor applies scaling factors to transform layer dimensions and coordinate values, converting layers with different size parameters into a unified size parameter set, thereby simplifying the alignment process.
3Measurement precision
If a unified coordinate system is established for all layers, then interaction accuracy improves, but processing time increases
Solution Approach 1:
The patent segments the coordinate system unification process into efficient processing steps. Instead of transforming all layers simultaneously, the system processes layers individually against a reference layer, applying scaling and coordinate adjustment in discrete segments, which reduces overall processing time while maintaining accuracy.
Data Source
AI summary
Systems and techniques for rendering multi-layer computer-aided design related documents are described. A described technique includes accessing layers associated with a floorplan, the layers including a visual layer that depicts the floorplan and an interactive layer that enables user interaction with the visual layer. The layers can have different sizes. The technique includes determining outer boundaries for a selected layer. The technique includes generating a boundary layer based on a polygon defined by the outer boundaries that surrounds layer content. The technique includes scaling, based on the boundary layer, one or more of the layers to have a size that is within a threshold distance of the boundary layer's size, and after scaling, aligning the visual layer and the interactive layer in a merged graphics layer so that the interactive layer can detect user interaction with a corresponding portion of the visual layer.