ij3d.geom
Class Vector3D

java.lang.Object
  ij3d.geom.Point3D
      ij3d.geom.Vector3D

public class Vector3D
extends Point3D

Vecteur 3D

Author:

thomas

Constructor Summary

Vector3D()
constructeurs

Vector3D(double x, double y, double z)
Constructor for the Vector3D object

Vector3D(float x, float y, float z)
Constructor for the Vector3D object

Vector3D(Point3D P)

Vector3D(Vector3D V)
Copy constructor for the Vector3D object

Method Summary

Vector3D	add(Vector3D v) Add a vector
Vector3D	add(Vector3D v, double f1, double f2) Description of the Method
Vector3D	add(Vector3D v, float f1, float f2) add a vector with ration
double	angle(Vector3D v) angle between two vectors in radians between 0 and PI
double	angleDegrees(Vector3D v) angle between two vectors in degrees between 0 and 180
Vector3D	crossProduct(Vector3D V) the cross product between two vectors
double	distance(Vector3D V) Distance between two vectors
double	distanceSquare(Vector3D V) Description of the Method
double	getLength() Gets the value attribute of the Pixel3D object
double	getLength(double resXY, double resZ) Gets the length attribute of the Vector3D object with units
Vector3D	getPerpendicularVector()
double	intersection_unit_cube(double x, double y, double z, double rx, double ry, double rz) Distance traversée dans un cube (for projection computation)
Vector3D	multiply(double f) multiply a vector by a scalar
Vector3D	multiply(double fx, double fy, double fz) mumultiply the coordinates
void	normalize() normalization of the vector, put length to 1.0
double	scalarProduct(Vector3D Y) scalar product between two vectors
void	setCoord(double x, double y, double z) Sets the attributes of the Vector3D object
java.lang.String	toString() display vector information
void	xmlWrite(java.io.Writer wr)

Methods inherited from class ij3d.geom.Point3D

distance, distanceSquare, getPosition, getVector3D, getX, getY, getZ, setX, setY, setZ, translate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Vector3D

public Vector3D()

constructeurs

Vector3D

public Vector3D(float x,
                float y,
                float z)

Constructor for the Vector3D object

Parameters:

x - x coordinate of the vector

y - y coordinate of the vector

z - z coordinate of the vector

Vector3D

public Vector3D(double x,
                double y,
                double z)

Constructor for the Vector3D object

Parameters:

x - x coordinate of the vector

y - y coordinate of the vector

z - z coordinate of the vector

Vector3D

public Vector3D(Vector3D V)

Copy constructor for the Vector3D object

Parameters:

V - the vector to copy

Vector3D

public Vector3D(Point3D P)

Parameters:

P - the point3D to copy

Method Detail

setCoord

public void setCoord(double x,
                     double y,
                     double z)

Sets the attributes of the Vector3D object

Parameters:

x - x coordinate of the vector

y - y coordinate of the vector

z - z coordinate of the vector

getLength

public double getLength()

Gets the value attribute of the Pixel3D object

Returns:

The value value

getLength

public double getLength(double resXY,
                        double resZ)

Gets the length attribute of the Vector3D object with units

Parameters:

resXY - resolution in XY

resZ - resolution in Z

Returns:

The length value

distance

public double distance(Vector3D V)

Distance between two vectors

Parameters:

V - the other vector

Returns:

the length of the difference

distanceSquare

public double distanceSquare(Vector3D V)

Description of the Method

Parameters:

V - Description of the Parameter

Returns:

Description of the Return Value

add

public Vector3D add(Vector3D v)

Add a vector

Parameters:

v - the other vector

Returns:

the new vector

add

public Vector3D add(Vector3D v,
                    float f1,
                    float f2)

add a vector with ration

Parameters:

v - the other vector V2

f1 - the ratio for V1

f2 - the ratio for V2

Returns:

V1*f1 + V2*f2

add

public Vector3D add(Vector3D v,
                    double f1,
                    double f2)

Description of the Method

Parameters:

v - Description of the Parameter

f1 - Description of the Parameter

f2 - Description of the Parameter

Returns:

Description of the Return Value

multiply

public Vector3D multiply(double f)

multiply a vector by a scalar

Parameters:

f - the scalar

Returns:

the new vector multiplied

multiply

public Vector3D multiply(double fx,
                         double fy,
                         double fz)

mumultiply the coordinates

Parameters:

fx - multiplication factor for x

fy - multiplication factor for y

fz - multiplication factor for z

Returns:

the new vector

angle

public double angle(Vector3D v)

angle between two vectors in radians between 0 and PI

Parameters:

v - the other vector

Returns:

the angle

angleDegrees

public double angleDegrees(Vector3D v)

angle between two vectors in degrees between 0 and 180

Parameters:

v - the other vector

Returns:

the angle

scalarProduct

public double scalarProduct(Vector3D Y)

scalar product between two vectors

Parameters:

Y - the other vector

Returns:

this.Y

getPerpendicularVector

public Vector3D getPerpendicularVector()

Returns:

a random perpendicular vector

crossProduct

public Vector3D crossProduct(Vector3D V)

the cross product between two vectors

Parameters:

V - the other vector

Returns:

the result vector

normalize

public void normalize()

normalization of the vector, put length to 1.0

intersection_unit_cube

public double intersection_unit_cube(double x,
                                     double y,
                                     double z,
                                     double rx,
                                     double ry,
                                     double rz)

Distance traversée dans un cube (for projection computation)

Parameters:

rx - coordonnée x du point de passage

ry - coordonnée x du point de passage

rz - coordonnée x du point de passage

x - Description of the Parameter

y - Description of the Parameter

z - Description of the Parameter

Returns:

distance

toString

public java.lang.String toString()

display vector information

Overrides:

toString in class Point3D

Returns:

text

xmlWrite

public void xmlWrite(java.io.Writer wr)

Overrides:

xmlWrite in class Point3D

Parameters:

wr -