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An accurate scaling algorithm for convex and non-convex polygons based on the angle bisector method
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DOI：10.1016/j.array.2026.100899.png)
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Abstract
En 中文
• Proposes ABO (Angular Bisector Offset) algorithm for accurate scaling of convex and non-convex polygons via angle bisectors and convexity detection. • Resolves self-intersection during outward scaling through a planar graph based outer boundary search, ensuring topological correctness. • Demonstrates superior geometric accuracy, topological robustness, and computational efficiency, with extension to curved boundaries via equal error discretization.
Keywords:
Convex and non-convex polygon
Scaling angle bisector method
Direction vector
Topological structure
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