sknano.core.geometric_regions.Cylinder.axis¶

Cylinder.axis

Cylinder axis Vector $$\boldsymbol{\ell}=p_2 - p_1$$.

Returns: Vector 3D Vector along Cylinder axis from Point $$p_1=(x_1, y_1, z_1)$$ to Point $$p_2=(x_2, y_2, z_2)$$.