Package chemaxon.struc

Class MPoint

java.lang.Object

chemaxon.struc.MObject

chemaxon.struc.MPoint

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

MAtomSetPoint, MEFlowBasePoint, MMidPoint, MRectanglePoint

@PublicAPI
public class MPoint
extends MObject

Point object.

Since:

Marvin 3.3, 10/18/2003

See Also:

Serialized Form

Field Summary

Fields inherited from class chemaxon.struc.MObject

TRANSFORM_DISTORT

Constructor Summary

Constructors

Constructor	Description
MPoint(double x, double y)	Contructs a point object.
MPoint(double x, double y, double z)	Contructs a point object.
MPoint(DPoint3 p)	Constructs a point object.
MPoint(MPoint p)	Copy constructor.

Method Summary

Modifier and Type	Method	Description
void	calcCenter(DPoint3 p, CTransform3D t)	Calculates the geometrical center.
MPoint	clone()	Creates a clone.
double	distanceFrom(double x, double y, CTransform3D t)	Gets the 2D distance from the specified point.
boolean	equals(Object o)	Two points equal if their location equals.
DPoint3	getLocation()	Gets the point's location.
DPoint3	getLocation(CTransform3D t)	Gets the point's location.
void	getLocation(DPoint3 p, CTransform3D t)	Gets the point's location.
MPoint	getPoint(int i)	Gets the point.
int	getPointCount()	Gets the number of points.
MPoint	getPointRef(int i, CTransform3D trot)	Gets a point of the line.
int	getPointRefCount()	Gets the number of point references.
int	hashCode()
boolean	isChildOf(MObject o)	Is this object a children of another one?
boolean	isInternalSelectable()	Is it a selection only internal object?
void	setLocation(DPoint3 p, CTransform3D t)	Sets the point's location.
String	toString()	Overrides Object.toString() to ease debugging.
void	transform(CTransform3D t, int opts, CTransform3D trot)	Transforms all points.

Methods inherited from class chemaxon.struc.MObject

addAttributeKeys, addCdataAttributeKeys, addNotify, checkValidity, connectToSgroupOfAtom, containsAtom, containsPoint, distanceFrom, finishCloning, fixClonedPoints, getAttribute, getBackground, getColor, getContainerMObject, getLineColor, hasBackground, hasColor, hasLineColor, isEmpty, isReactionArrow, isSelectableNow, isSelected, isTransformable, makeColor, removeAtom, removeChild, removeNotify, replaceAtom, setAttribute, setBackground, setColor, setLineColor, setSelected, unselectContents, updateBoundingRect, updateBoundingRect

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MPoint

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

Contructs a point object.

Parameters:

x - the x coordinate

y - the y coordinate

z - the z coordinate

MPoint

public MPoint(double x,
              double y)

Contructs a point object.

Parameters:

x - the x coordinate

y - the y coordinate

Since:

Marvin 4.1, 03/06/2006

MPoint

public MPoint(DPoint3 p)

Constructs a point object.

Parameters:

p - the point

MPoint

public MPoint(MPoint p)

Copy constructor.

Parameters:

p - the point

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Two points equal if their location equals.

Overrides:

equals in class Object

Parameters:

o - the other point

Returns:

true if they equal, false otherwise

isChildOf

public boolean isChildOf(MObject o)

Is this object a children of another one?

Overrides:

isChildOf in class MObject

Parameters:

o - a possible parent

Returns:

true if the other object is the parent, false otherwise

isInternalSelectable

public boolean isInternalSelectable()

Is it a selection only internal object?

Overrides:

isInternalSelectable in class MObject

Returns:

true

clone

public MPoint clone()

Description copied from class: MObject

Creates a clone.

Overrides:

clone in class MObject

Returns:

the clone

getLocation

public void getLocation(DPoint3 p,
                        CTransform3D t)

Gets the point's location.

Parameters:

p - the output point object

t - transformation or null

Since:

Marvin 4.1, 04/28/2006

getLocation

public final DPoint3 getLocation(CTransform3D t)

Gets the point's location.

Parameters:

t - transformation or null

Returns:

the point

Since:

Marvin 4.1, 04/28/2006

getLocation

public final DPoint3 getLocation()

Gets the point's location.

Returns:

the point

setLocation

public void setLocation(DPoint3 p,
                        CTransform3D t)

Sets the point's location.

Parameters:

p - new location in the 'absolute' system (null transform)

t - viewing transformation

Since:

Marvin 4.1, 04/28/2006

getPointCount

public int getPointCount()

Gets the number of points.

Specified by:

getPointCount in class MObject

Returns:

1

getPoint

public MPoint getPoint(int i)

Gets the point.

Specified by:

getPoint in class MObject

Parameters:

i - the point index (must be 0)

Returns:

the point's clone

getPointRefCount

public int getPointRefCount()

Gets the number of point references.

Overrides:

getPointRefCount in class MObject

Returns:

1

getPointRef

public MPoint getPointRef(int i,
                          CTransform3D trot)

Gets a point of the line.

Overrides:

getPointRef in class MObject

Parameters:

i - the point index

trot - the viewing transformation or null

Returns:

the point's reference

Since:

Marvin 4.1, 05/01/2006

transform

public void transform(CTransform3D t,
                      int opts,
                      CTransform3D trot)

Transforms all points.

Specified by:

transform in class MObject

Parameters:

t - the transformation matrix

opts - transform options or 0

trot - the viewing transformation or null

See Also:

MObject.TRANSFORM_DISTORT

calcCenter

public final void calcCenter(DPoint3 p,
                             CTransform3D t)

Calculates the geometrical center.

Specified by:

calcCenter in class MObject

Parameters:

p - store the coordinates here

t - the transformation matrix or null

Since:

Marvin 4.1, 04/28/2006

distanceFrom

public final double distanceFrom(double x,
                                 double y,
                                 CTransform3D t)

Gets the 2D distance from the specified point.

Specified by:

distanceFrom in class MObject

Parameters:

x - the x coordinate

y - the y coordinate

t - transformation or null

Since:

Marvin 3.5, 11/04/2004

toString

public String toString()

Description copied from class: MObject

Overrides Object.toString() to ease debugging. Returns a string consisting of the classname (without the package name!), the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object.

Overrides:

toString in class MObject

Returns:

a string representation of the object