From Ohm

Marching Tetrahedra Cases

Classification of corner points into greater than (+) or smaller as (-) the iso value $c_{iso}$.

The intersection point $\vec{p}$ on an edge with the two end points $\vecā$ and $\vec{b}$ and the scalar values $s_a$ und $s_b$ is

$ \vec{p}= \frac{s_b-c_{iso}}{s_b-s_a}\vec{ a } + \frac{c_{iso}-s_a}{s_b-s_a}\vec{ b } $

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Page last modified on December 01, 2015, at 10:16 AM