ellipse_point_on_tangent Struct Reference

structure for storing point on tangent line

List of all members.

Public Attributes
ml_matrix	x
	x-coordinate on ellipse at tangent line
ml_matrix	y
	y-coordinate on ellipse at tangent line
ml_matrix	b
	Constant y-offset for tangent line (y=m*x+b)
double	m
	Slope dy/dx for tangent line (y=m*x+b)