Mathematics CATMathDirection

Usage: you must use this class as is. You should never derive it.

public class CATMathDirection

Class defining a normalized vector.
Use now CATMathVector directly and normalize if needed.

Constructor and Destructor Index


o CATMathDirection()
Constructs a (1,0,0) vector.
o CATMathDirection(CATMathVector&)
Constructs from a CATMathVector.
o CATMathDirection(double,double,double)
Constructs a direction from coordinates.
o CATMathDirection(CATMathDirection&)
Copy constructor.

Method Index


o Norm()
Returns the euclidean norm.
o SetCoord(double[])
Modifies the direction coordinates from an array of three doubles.
o SetCoord(double,double,double)
Modifies the direction coordinates from three doubles.
o SetCylindricalCoord(double,CATAngle,double)
Modifies this CATMathDirection with cylindrical coordinates.
o SetSphericalCoord(double,CATAngle,CATAngle)
Modifies this CATMathDirection with spherical coordinates.
o SetX(double)
Modifies the direction first coordinate.
o SetY(double)
Modifies the direction second coordinate.
o SetZ(double)
Modifies the direction third coordinate.
o SquareNorm()
Returns the square of the euclidean norm.
o operator -(CATMathDirection&)
Defines the opposite of this CATMathDirection.

Constructor and Destructor


o CATMathDirection
public CATMathDirection()
Constructs a (1,0,0) vector.
o CATMathDirection
public CATMathDirection( const iVector)
Constructs from a CATMathVector.
o CATMathDirection
public CATMathDirection( const iFirstCoord,
const iSecondCoord,
const iThirdCoord)
Constructs a direction from coordinates.
o CATMathDirection
public CATMathDirection( const iDirectionToCopy)
Copy constructor.

Methods


o Norm
public Norm()
Returns the euclidean norm.
o SetCoord
public SetCoord( const iCoord)
Modifies the direction coordinates from an array of three doubles.
o SetCoord
public SetCoord( const iFirstCoord,
const iSecondCoord,
const iThirdCoord)
Modifies the direction coordinates from three doubles.
o SetCylindricalCoord
public SetCylindricalCoord( const iRadius,
const iAngle,
const iHeight)
Modifies this CATMathDirection with cylindrical coordinates.
iAngle is expressed in radians.
o SetSphericalCoord
public SetSphericalCoord( const iRadius,
const iLongitudeAngle,
const iLatitudeAngle)
Modifies this CATMathDirection with spherical coordinates.
iLongitudeAngle and iLatitudeAngle are expressed in radians.
o SetX
public SetX( const iFirstCoord)
Modifies the direction first coordinate.
o SetY
public SetY( const iSecondCoord)
Modifies the direction second coordinate.
o SetZ
public SetZ( const iThirdCoord)
Modifies the direction third coordinate.
o SquareNorm
public SquareNorm()
Returns the square of the euclidean norm.
o operator -
public operator -( const iDirection)
Defines the opposite of this CATMathDirection.
Parameters:
iDirection
The CATMathDirection of (u1,u2,u3) coordinates.
Returns:
The CATMathDirection of (-u1,-u2,-u3) coordinates.
This object is included in the file: CATMathDirection.h
If needed, your Imakefile.mk should include the module: CATMathematics

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