Detailed Description

Represent a rotation in 2D space.

Note: This class requires the angles to be given in radians, and the convention used is that the rotations are performed rotating counterclockwise (right hand side convention).

See geometric primitives for more information.

Definition at line 36 of file Rotation2D.h.

Public Member Functions
	Rotation2D (double angle)
	Build the matrix for the given angle. More...

double	get_angle () const
	Get the angle. More...

Rotation2D	get_inverse () const
	Return the matrix for the inverse rotation. More...

Vector2D	get_rotated (const Vector2D &o) const
	Rotate a 2D point. More...

Vector2D	get_rotated (const double x, const double y) const
	Rotate a 2D point. More...

void	set_angle (double angle)
	Set the angle for the rotation. More...

void	show (std::ostream &out=std::cout) const
	Print the angle. More...

Constructor & Destructor Documentation

IMP::algebra::Rotation2D::Rotation2D ( double angle )

Build the matrix for the given angle.

Definition at line 41 of file Rotation2D.h.

double IMP::algebra::Rotation2D::get_angle ( ) const

Get the angle.

Definition at line 78 of file Rotation2D.h.

Rotation2D IMP::algebra::Rotation2D::get_inverse ( ) const

Return the matrix for the inverse rotation.

Definition at line 61 of file Rotation2D.h.

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Vector2D IMP::algebra::Rotation2D::get_rotated ( const Vector2D & o ) const

Rotate a 2D point.

Parameters

[in] o a 2D vector to be rotated

Definition at line 47 of file Rotation2D.h.

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Vector2D IMP::algebra::Rotation2D::get_rotated	(	const double	x,
		const double	y
	)		const

Rotate a 2D point.

Definition at line 54 of file Rotation2D.h.

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void IMP::algebra::Rotation2D::set_angle ( double angle )

Set the angle for the rotation.

Parameters

[in] angle the angle

Definition at line 71 of file Rotation2D.h.

void IMP::algebra::Rotation2D::show ( std::ostream & out = std::cout ) const

Print the angle.

The documentation for this class was generated from the following file: