SFCGAL::algorithm::Frame Struct Reference

Right-handed orthonormal basis at a point on the sweep path. More...

#include <Sweep.h>

Public Attributes
Kernel::Vector_3	tangent
	Direction of motion along the path. More...
Kernel::Vector_3	normal
	Profile X-axis direction. More...
Kernel::Vector_3	binormal
	Profile Y-axis direction (tangent × normal) More...

Detailed Description

Right-handed orthonormal basis at a point on the sweep path.

Defines how the 2D profile is oriented in 3D space at each path vertex. The profile's X-axis maps to normal and its Y-axis maps to binormal. The three vectors satisfy: binormal = tangent × normal.

Member Data Documentation

Kernel::Vector_3 SFCGAL::algorithm::Frame::binormal

Profile Y-axis direction (tangent × normal)

Kernel::Vector_3 SFCGAL::algorithm::Frame::normal

Profile X-axis direction.

Kernel::Vector_3 SFCGAL::algorithm::Frame::tangent

Direction of motion along the path.