georegression.struct.shapes

Class EllipseRotated_F32

java.lang.Object

georegression.struct.shapes.EllipseRotated_F32

All Implemented Interfaces:

java.io.Serializable

public class EllipseRotated_F32
extends java.lang.Object
implements java.io.Serializable

An ellipse described using its center, semi-axes, and orientation.
(x'*cos(phi) + y'*sin(phi))^2/a^2 + (-x'*sin(phi) + y'*cos(phi))^2/b_2 = 1
x' = x-x_0, y' = y-y_0
where (x_0,y_0) is the center, (a,b) are major and minor axises, and phi is it's orientation.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
float	a semi major-axis
float	b semi minor-axis
Point2D_F32	center Center of the ellipse
float	phi counter clockwise angle of rotation from x-axis to the major axis.

Constructor Summary

Constructors

Constructor and Description
EllipseRotated_F32()
EllipseRotated_F32(float x0, float y0, float a, float b, float phi)
EllipseRotated_F32(Point2D_F32 center, float a, float b, float phi)

Method Summary

Modifier and Type	Method and Description
float	getA()
float	getB()
Point2D_F32	getCenter()
float	getPhi()
void	set(EllipseRotated_F32 ellipse)
void	set(float x0, float y0, float a, float b, float phi)
void	setA(float a)
void	setB(float b)
void	setCenter(Point2D_F32 center)
void	setPhi(float phi)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

center

public Point2D_F32 center

Center of the ellipse

a

public float a

semi major-axis

b

public float b

semi minor-axis

phi

public float phi

counter clockwise angle of rotation from x-axis to the major axis. Standard range is from -PI/2 to PI/2

Constructor Detail

EllipseRotated_F32

public EllipseRotated_F32(Point2D_F32 center,
                          float a,
                          float b,
                          float phi)

EllipseRotated_F32

public EllipseRotated_F32(float x0,
                          float y0,
                          float a,
                          float b,
                          float phi)

EllipseRotated_F32

public EllipseRotated_F32()

Method Detail

getCenter

public Point2D_F32 getCenter()

setCenter

public void setCenter(Point2D_F32 center)

getA

public float getA()

setA

public void setA(float a)

getB

public float getB()

setB

public void setB(float b)

getPhi

public float getPhi()

setPhi

public void setPhi(float phi)

set

public void set(float x0,
                float y0,
                float a,
                float b,
                float phi)

set

public void set(EllipseRotated_F32 ellipse)