parallel_coeff

static GeometryOperators.parallel_coeff(a1, a2, b1, b2)

ADD DESCRIPTION.

Parameters:

a1List

List of [x, y, z] coordinates for the first point of the first segment.

a2List

List of [x, y, z] coordinates for the second point of the first segment.

b1List

List of [x, y, z] coordinates for the first point of the second segment.

b2List

List of [x, y, z] coordinates for the second point of the second segment.

Returns:

float

_vdot of 4 vertices of 2 segments.