Signed Distance Function

A signed distance function \(\phi (\mathbf{x} )\) defines the distance from \(\mathbf{x}\) to a surface with a sign. The sign indicates on which side \(\mathbf{x}\) is located.

P12

Signed Distance Function Examples

✅ 圆柱SDF基于勾股定理，\(\sqrt{\cdot }\) 内第一项为斜边长， 第二项为底边长，得出点到中轴的距离。