TPoint3D Class Reference

#include <e32cmn.h>

class TPoint3D

Public Attributes
TInt	iX
TInt	iY
TInt	iZ

Public Member Enumerations
enum	TUninitialized { EUninitialized }

Public Member Functions
	TPoint3D(TUninitialized)
	TPoint3D()
	TPoint3D(TInt, TInt, TInt)
	TPoint3D(const TPoint &)
IMPORT_C TPoint	AsPoint()
IMPORT_C void	SetPoint(const TPoint &)
IMPORT_C void	SetXYZ(TInt, TInt, TInt)
IMPORT_C TBool	operator!=(const TPoint3D &)
IMPORT_C TPoint3D	operator+(const TPoint3D &)
IMPORT_C TPoint3D	operator+(const TPoint &)
IMPORT_C TPoint3D &	operator+=(const TPoint3D &)
IMPORT_C TPoint3D &	operator+=(const TPoint &)
IMPORT_C TPoint3D	operator-(const TPoint3D &)
IMPORT_C TPoint3D	operator-(const TPoint &)
IMPORT_C TPoint3D	operator-()
IMPORT_C TPoint3D &	operator-=(const TPoint3D &)
IMPORT_C TPoint3D &	operator-=(const TPoint &)
IMPORT_C TBool	operator==(const TPoint3D &)

Detailed Description

Stores a three-dimensional point in Cartesian or polar co-ordinates. Its data members (iX, iY and iZ) are public and can be manipulated directly.

Member Attribute Documentation

iX

TInt

The x co-ordinate.

iY

TInt

The y co-ordinate.

iZ

TInt

The z co-ordinate.

Member Enumeration Documentation

Enum TUninitialized

Enumerator	Value	Description
EUninitialized

Constructor & Destructor Documentation

TPoint3D ( TUninitialized )

TPoint3D

(

TUninitialized

)

[inline]

TUninitialized Constructor

TPoint3D ( )

TPoint3D

(

)

[inline]

Constructs default TPoint3D, initialising its iX , iY and iZ members to zero.

Constructs default 3Dpoint, initialising its iX, iY and iZ members to zero.

TPoint3D ( TInt, TInt, TInt )

TPoint3D	(	TInt	aX,
		TInt	aY,
		TInt	aZ
	)	[inline]

Constructs TPoint3D with the specified x,y and z co-ordinates.

Parameter	Description
aX	The x co-ordinate value.
aY	The y co-ordinate value.
aZ	The z co-ordinate value.

TPoint3D ( const TPoint & )

TPoint3D

(

const TPoint &

aPoint

)

[inline]

Copy Construct from TPoint , initialises Z co-ordinate to Zero

Member Function Documentation

AsPoint ( )

IMPORT_C TPoint

AsPoint

(

)

const

Returns TPoint from TPoint3D

Gets Tpoint from Tpoint3D

Returns: TPoint from X and Y cordinates of Tpoint3D

SetPoint ( const TPoint & )

IMPORT_C void

SetPoint

(

const TPoint &

aPoint

)

TPoint3D from TPoint, sets the Z co-ordinate to Zero

SetXYZ ( TInt, TInt, TInt )

IMPORT_C void	SetXYZ	(	TInt	aX,
			TInt	aY,
			TInt	aZ
		)

Set Method to set the xyz co-ordinates of TPoint3D

Sets the x , y and z co-ordinates for this point.

Parameter	Description
aX	The value to assign to the x co-ordinate.
aY	The value to assign to the y co-ordinate.
aZ	The value to assign to the z co-ordinate.

operator!= ( const TPoint3D & )

IMPORT_C TBool

operator!=

(

const TPoint3D &

aPoint3D

)

const

Compares two 3D points for inequality.

For two points to be unequal, their x or y or z co-ordinate values must be different.

Parameter	Description
aPoint3D	The point to be compared with this point.

Returns: True, if the two points are unequal; false, otherwise.

operator+ ( const TPoint3D & )

IMPORT_C TPoint3D

operator+

(

const TPoint3D &

aPoint3D

)

const

The operator adds the specified point to this point, and returns the resulting value.

Parameter	Description
aPoint3D	The point to be added to this point.

Returns: the point(TPoint3D) which is the result of the operation.

operator+ ( const TPoint & )

IMPORT_C TPoint3D

operator+

(

const TPoint &

aPoint

)

const

TPoint addition operator.

The operator adds the specified TPoint to this point, and returns the resulting value.

Returns: the point(TPoint3D) which is the result of the operation.

operator+= ( const TPoint3D & )

IMPORT_C TPoint3D &

operator+=

(

const TPoint3D &

aPoint3D

)

TPoint3D addition assignment operator.

The operator adds the specified point to this point, and assigns the result back to this point.

Parameter	Description
aPoint3D	The point to be added.

Returns: A reference to this point object.

operator+= ( const TPoint & )

IMPORT_C TPoint3D &

operator+=

(

const TPoint &

aPoint

)

TPoint addition assignment operator.

The operator adds the specified TPoint to this point, and assigns the result back to this point.

The operation proceeds by: adding x and y cordinates of the TPoin to this point and no changes to the Z-coordinatete value

Parameter	Description
aPoint	The TPoint to be added to this point.

Returns: A reference to this point object.

operator- ( const TPoint3D & )

IMPORT_C TPoint3D

operator-

(

const TPoint3D &

aPoint3D

)

const

TPoint3D subtraction operator.

The operator subtracts the specified point from this point, and returns the resulting value.

Parameter	Description
aPoint3D	The point to be subtracted from this point.

Returns: the point(TPoint3D) which is the result of the operation.

operator- ( const TPoint & )

IMPORT_C TPoint3D

operator-

(

const TPoint &

aPoint

)

const

TPoint subtraction operator.

The operator subtracts the specified TPoint from this point, and returns the resulting value.

Parameter	Description
aPoint	The TPoint to be subtracted.

Returns: the point(TPoint3D) which is the result of the operation.

operator- ( )

IMPORT_C TPoint3D

operator-

(

)

const

Unary minus operator. The operator returns the negation of this Point3D

Unary minus operator.

The operator returns the negation of this point.

Returns: the point(TPoint3D) which is the result of Unary minus operation.

operator-= ( const TPoint3D & )

IMPORT_C TPoint3D &

operator-=

(

const TPoint3D &

aPoint3D

)

TPoint3D subtraction assignment operator.

The operator subtracts the specified point from this point, and assigns the result back to this point.

Returns: A reference to this point object.

operator-= ( const TPoint & )

IMPORT_C TPoint3D &

operator-=

(

const TPoint &

aPoint

)

TPoint subtraction assignment operator.

The operator subtracts the specified TPoint from this point(TPoint3D), and assigns the result back to this point.

The operation proceeds by subtracting x and y cordinates of the TPoin to this point and no changes to the Z-coordinatete value

Parameter	Description
aPoint	The aPoint to be subtracted.

Returns: A reference to this point object.

operator== ( const TPoint3D & )

IMPORT_C TBool

operator==

(

const TPoint3D &

aPoint3D

)

const

Compares two 3D points(TPoint3D) for equality.

For two TPoint3D to be equal, their x , y and zco-ordinate values must be equal.

Parameter	Description
aPoint3D	The point to be compared with this point.

Returns: True, if the two points are equal; false, otherwise.