java.lang.Object
- chemaxon.struc.MObject
- - chemaxon.struc.graphics.MPolyline

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

MEFlow, MRectangle
```
@PublicAPI
public class MPolyline
extends MObject
```
Polyline object.

Since:

Marvin 3.3, 10/03/2003

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ARROW_BACK_FLAG`	Arrow points back.
`static int`	`ARROW_CROSSED_FLAG`	Crossed arrow flag.
`static int`	`ARROW_CURVED_FLAG`	Curved arrow flag.
`static int`	`ARROW_DASHED_FLAG`	Dashed arrow flag.
`static int`	`ARROW_EQUILIBRIUM_FLAG`	Equilibrium arrow flag.
`static int`	`ARROW_GROUP1_MASK`	Mask for the equilibrium and retrosynthetic arrow flags.
`static int`	`ARROW_GROUP2_MASK`	Mask for the curved, dashed and crosed arrow flags.
`static int`	`ARROW_HALF_LEFT`	Only the left half of the arrow head is drawn.
`static int`	`ARROW_HALF_MASK`	Unshifted mask of the half arrow option bits in flags.
`static int`	`ARROW_HALF_RIGHT`	Only the right half of the arrow head is drawn.
`static int`	`ARROW_RETROSYNTHETIC_FLAG`	Retrosynthetic arrow flag.
`protected int[]`	`arrowFlags`	Arrow flags.
`static int`	`CLOSED_FLAG`	Closed flag.
`static double`	`DEFAULT_ARROW_HEAD_LENGTH`	Default arrow head length.
`static double`	`DEFAULT_ARROW_HEAD_WIDTH`	Default arrow head width.
`static double`	`DEFAULT_EQUILIBRIUM_HEAD_WIDTH`	Default equilibrium head width.
`static double`	`DEFAULT_MAX_CROSS_SIZE`	Default maximum cross size.
`static double`	`DEFAULT_RETROSYNTHETIC_HEAD_WIDTH`	Default retrosynthetic head width.
`static double`	`DEFAULT_THICKNESS`	Default line thickness.
`static int`	`HEAD`	Arrow head.
`protected MPoint[]`	`points`
`static int`	`TAIL`	Arrow tail (feather).
`static int`	`THICKNESS_SET_FLAG`	Thickness is set flag.

Fields inherited from class chemaxon.struc.MObject
TRANSFORM_DISTORT

Constructor Summary

Constructors
Modifier	Constructor	Description
	`MPolyline()`	Contructs an empty line.
`protected`	`MPolyline(boolean closed, Color c, Color bg)`	Creates a closed polyline.
`protected`	`MPolyline(MPolyline l)`	Copy constructor.
	`MPolyline(MPolyline l, MPoint p)`	Contructs a polyline from the specified starting polyline and endpoint.
	`MPolyline(MPoint p1, MPoint p2)`	Contructs a line with the specified endpoints.
	`MPolyline(MPoint p1, MPoint p2, Color c, Color bg)`	Contructs a line with the specified endpoints.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`void`	`addAttributeKeys(List<String> v)`	Adds the attribute names to the specified vector.
`void`	`calcCenter(DPoint3 p, CTransform3D trot)`	Calculates the geometrical center.
`boolean`	`checkValidity(MDocument doc, Collection<MolAtom> invec)`	Is it a valid object in the document?
`MPolyline`	`clone()`	Creates a clone.
`boolean`	`containsAtom(MolAtom a)`	Checks if the atom set contains the specified atom object.
`void`	`copyProperties(MPolyline l)`	Copies line properties to another line object.
`double`	`distanceFrom(double x, double y, CTransform3D t)`	Gets the 2D distance from the specified point.
`void`	`finishCloning(MDocument olddoc, MDocument newdoc)`	Finish cloning a document.
`void`	`fixClonedPoints(MObject[] objarr0, MObject[] objarr, int i)`	Sets the parent object for this object.
`static void`	`fixMidPointClones(MObject[] objarr0, MObject[] objarr)`	Fixes the parents of the cloned MMidPoints.
`double`	`getArcAngle()`	Gets the central angle of the arc.
`static DPoint3`	`getArcCenter(DPoint3 p1, DPoint3 p2, double angle)`	Returns the arc center.
`double`	`getArcRadius(CTransform3D t)`	Gets the arc radius.
`static double`	`getArcRadius(DPoint3 pointA, DPoint3 pointB, double angle)`
`int`	`getArrowFlags(int i)`	Gets the arrow flags.
`double`	`getArrowLength(int i)`	Gets the arrow head length.
`double`	`getArrowWidth(int i)`	Gets the arrow head width.
`String`	`getAttribute(String s)`	Gets the value of an attribute.
`int`	`getFlags()`	Gets the flags.
`static DPoint3`	`getLineMiddlePoint(DPoint3 p1, DPoint3 p2)`
`DPoint3`	`getMidPointLocation(int i, CTransform3D t)`	Gets the middle point of the arc.
`protected int`	`getMirroredArrowFlags(int i)`	Mirror transformation for arrow heads.
`MPoint`	`getPoint(int i)`	Gets the clone of a point of the line.
`int`	`getPointCount()`	Gets the number of points.
`MPoint`	`getPointRef(int i, CTransform3D trot)`	Gets a reference to a point or midpoint in the polyline.
`int`	`getPointRefCount()`	Gets the number of point references.
`MPoint[]`	`getPoints()`	Gets the points.
`double`	`getSkip(int i)`	Gets the distance of the (visible) head or tail from the corresponding line end point.
`double`	`getThickness()`	Gets the line thickness.
`boolean`	`hasBackground()`	A polyline has a background only if it is closed.
`boolean`	`hasColor()`	A polyline does not have a non-line, non-background color.
`boolean`	`hasFace()`	Is it 2 dimensional?
`boolean`	`hasLineColor()`	A polyline have a line color always.
`boolean`	`hasOutline()`	Does it have an outline?
`boolean`	`isArrow()`	Checks if it is an arrow.
`boolean`	`isEmpty()`	A polyline becomes empty if it has less than 2 points.
`boolean`	`isThicknessSet()`	Checks if the line thickness is set.
`void`	`removeChild(MObject o)`	Removes a child object.
`void`	`removeNotify(MDocument doc)`	Called when the object is removed from a document.
`void`	`replaceAtom(MolAtom orig, MolAtom a)`	Replaces a contained atom with another one.
`void`	`reverse()`	Reverses the order of points.
`static void`	`rotate(DPoint3 center, double dphi, DPoint3 p)`	Deprecated. As of Marvin 6.1, replaced by `CTransform3D.setRotation(double, double, double, double)` and `CTransform3D.setRotationCenter(DPoint3)`.
`void`	`setArcAngle(double phi)`	Sets the central angle of the arc.
`void`	`setArrow(boolean v)`	Sets or unsets arrow mode.
`void`	`setArrowFlags(int i, int f)`	Sets the flags.
`void`	`setArrowLength(int i, double l)`	Sets the arrow head length.
`void`	`setArrowWidth(int i, double l)`	Sets the arrow head width.
`void`	`setAttribute(String s, String v)`	Sets the value of an attribute.
`void`	`setFlags(int f)`	Sets the flags.
`void`	`setPoints(MPoint[] p)`	Sets the points.
`void`	`setSkip(int i, double d)`	Sets the distance of the (visible) head or tail from the corresponding line end point.
`void`	`setThickness(double w)`	Sets the line thickness.
`void`	`transform(CTransform3D t, int opts, CTransform3D trot)`	Transforms all points, scales the arrow head widths and lengths.
`void`	`unselectContents()`	Unselects the points.
`void`	`updateBoundingRect(double[] xyminm, CTransform3D pretrf)`	Calculate the bounding rectangle.

Methods inherited from class chemaxon.struc.MObject
addCdataAttributeKeys, addNotify, connectToSgroupOfAtom, containsPoint, distanceFrom, getBackground, getColor, getContainerMObject, getLineColor, isChildOf, isInternalSelectable, isReactionArrow, isSelectableNow, isSelected, isTransformable, makeColor, removeAtom, setBackground, setColor, setLineColor, setSelected, toString, updateBoundingRect

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - DEFAULT_THICKNESS
```
public static final double DEFAULT_THICKNESS
```
    Default line thickness.
    
    Since:
    
    Marvin 3.4, 06/09/2004
    
    See Also:
    
    Constant Field Values
  - DEFAULT_ARROW_HEAD_LENGTH
```
public static final double DEFAULT_ARROW_HEAD_LENGTH
```
    Default arrow head length.
    
    Since:
    
    Marvin 3.5, 07/01/2004
    
    See Also:
    
    Constant Field Values
  - DEFAULT_ARROW_HEAD_WIDTH
```
public static final double DEFAULT_ARROW_HEAD_WIDTH
```
    Default arrow head width.
    
    Since:
    
    Marvin 3.5, 07/01/2004
    
    See Also:
    
    Constant Field Values
  - DEFAULT_MAX_CROSS_SIZE
```
public static final double DEFAULT_MAX_CROSS_SIZE
```
    Default maximum cross size.
    
    Since:
    
    Marvin 14.7.7, 07/01/2014
    
    See Also:
    
    Constant Field Values
  - DEFAULT_EQUILIBRIUM_HEAD_WIDTH
```
public static final double DEFAULT_EQUILIBRIUM_HEAD_WIDTH
```
    Default equilibrium head width.
    
    Since:
    
    Marvin 14.7.7, 07/01/2014
    
    See Also:
    
    Constant Field Values
  - DEFAULT_RETROSYNTHETIC_HEAD_WIDTH
```
public static final double DEFAULT_RETROSYNTHETIC_HEAD_WIDTH
```
    Default retrosynthetic head width.
    
    Since:
    
    Marvin 14.7.7, 07/01/2014
    
    See Also:
    
    Constant Field Values
  - TAIL
```
public static final int TAIL
```
    Arrow tail (feather).
    
    Since:
    
    Marvin 3.5, 06/30/2004
    
    See Also:
    
    getArrowLength(int), getArrowWidth(int), Constant Field Values
  - HEAD
```
public static final int HEAD
```
    Arrow head.
    
    Since:
    
    Marvin 3.5, 06/30/2004
    
    See Also:
    
    getArrowLength(int), getArrowWidth(int), Constant Field Values
  - CLOSED_FLAG
```
public static final int CLOSED_FLAG
```
    Closed flag.
    
    Since:
    
    Marvin 3.5, 06/30/2004
    
    See Also:
    
    Constant Field Values
  - THICKNESS_SET_FLAG
```
public static final int THICKNESS_SET_FLAG
```
    Thickness is set flag.
    
    Since:
    
    Marvin 3.5, 06/30/2004
    
    See Also:
    
    Constant Field Values
  - ARROW_BACK_FLAG
```
public static final int ARROW_BACK_FLAG
```
    Arrow points back.
    
    Since:
    
    Marvin 3.5, 07/02/2004
    
    See Also:
    
    Constant Field Values
  - ARROW_HALF_MASK
```
public static final int ARROW_HALF_MASK
```
    Unshifted mask of the half arrow option bits in flags.
    
    Since:
    
    Marvin 3.5, 07/01/2004
    
    See Also:
    
    Constant Field Values
  - ARROW_HALF_LEFT
```
public static final int ARROW_HALF_LEFT
```
    Only the left half of the arrow head is drawn.
    
    Since:
    
    Marvin 3.5, 07/01/2004
    
    See Also:
    
    Constant Field Values
  - ARROW_HALF_RIGHT
```
public static final int ARROW_HALF_RIGHT
```
    Only the right half of the arrow head is drawn.
    
    Since:
    
    Marvin 3.5, 07/01/2004
    
    See Also:
    
    Constant Field Values
  - ARROW_GROUP1_MASK
```
public static final int ARROW_GROUP1_MASK
```
    Mask for the equilibrium and retrosynthetic arrow flags.
    
    Since:
    
    Marvin 5.10, 04/20/2012
    
    See Also:
    
    Constant Field Values
  - ARROW_RETROSYNTHETIC_FLAG
```
public static final int ARROW_RETROSYNTHETIC_FLAG
```
    Retrosynthetic arrow flag.
    
    Since:
    
    Marvin 5.10, 04/20/2012
    
    See Also:
    
    Constant Field Values
  - ARROW_EQUILIBRIUM_FLAG
```
public static final int ARROW_EQUILIBRIUM_FLAG
```
    Equilibrium arrow flag.
    
    Since:
    
    Marvin 5.10, 04/20/2012
    
    See Also:
    
    Constant Field Values
  - ARROW_GROUP2_MASK
```
public static final int ARROW_GROUP2_MASK
```
    Mask for the curved, dashed and crosed arrow flags.
    
    Since:
    
    Marvin 5.10, 04/20/2012
    
    See Also:
    
    Constant Field Values
  - ARROW_DASHED_FLAG
```
public static final int ARROW_DASHED_FLAG
```
    Dashed arrow flag.
    
    Since:
    
    Marvin 5.10, 04/20/2012
    
    See Also:
    
    Constant Field Values
  - ARROW_CROSSED_FLAG
```
public static final int ARROW_CROSSED_FLAG
```
    Crossed arrow flag.
    
    Since:
    
    Marvin 5.10, 04/20/2012
    
    See Also:
    
    Constant Field Values
  - ARROW_CURVED_FLAG
```
public static final int ARROW_CURVED_FLAG
```
    Curved arrow flag.
    
    Since:
    
    Marvin 5.10, 04/20/2012
    
    See Also:
    
    Constant Field Values
  - points
```
protected transient MPoint[] points
```
  - arrowFlags
```
protected transient int[] arrowFlags
```
    Arrow flags.
- Constructor Detail
  - MPolyline
```
public MPolyline()
```
    Contructs an empty line.
  - MPolyline
```
public MPolyline(MPoint p1,
                 MPoint p2)
```
    Contructs a line with the specified endpoints.
    
    Parameters:
    
    p1 - the starting point
    
    p2 - the endpoint
  - MPolyline
```
public MPolyline(MPoint p1,
                 MPoint p2,
                 Color c,
                 Color bg)
```
    Contructs a line with the specified endpoints.
    
    Parameters:
    
    p1 - the starting point
    
    p2 - the endpoint
    
    c - the color
    
    bg - the background color
  - MPolyline
```
protected MPolyline(boolean closed,
                    Color c,
                    Color bg)
```
    Creates a closed polyline.
    
    Parameters:
    
    closed - the polyline is closed if true, open otherwise
    
    c - the color
    
    bg - the background color
  - MPolyline
```
protected MPolyline(MPolyline l)
```
    Copy constructor.
    
    Parameters:
    
    l - the original polyline
  - MPolyline
```
public MPolyline(MPolyline l,
                 MPoint p)
```
    Contructs a polyline from the specified starting polyline and endpoint.
    
    Parameters:
    
    l - the starting polyline
    
    p - the new endpoint
- Method Detail
  - copyProperties
```
public void copyProperties(MPolyline l)
```
    Copies line properties to another line object.
    
    Parameters:
    
    l - the other line
    
    Since:
    
    Marvin 3.5, 07/13/2004
  - isArrow
```
public boolean isArrow()
```
    Checks if it is an arrow.
    
    Returns:
    
    true if the line has an arrow head or tail, false otherwise
    
    Since:
    
    Marvin 3.5, 06/30/2004
  - setArrow
```
public void setArrow(boolean v)
```
    Sets or unsets arrow mode.
    
    Parameters:
    
    v - true to make an arrow from the line, false to remove arrow properties
    
    Since:
    
    Marvin 3.5, 06/30/2004
  - setPoints
```
public void setPoints(MPoint[] p)
```
    Sets the points.
    
    Parameters:
    
    p - the points
  - clone
```
public MPolyline clone()
```
    Description copied from class: MObject
    
    Creates a clone.
    
    Overrides:
    
    clone in class MObject
    
    Returns:
    
    the clone
  - getFlags
```
public int getFlags()
```
    Gets the flags.
    
    Since:
    
    Marvin 3.5, 06/30/2004
    
    See Also:
    
    CLOSED_FLAG, THICKNESS_SET_FLAG
  - setFlags
```
public void setFlags(int f)
```
    Sets the flags.
    
    Since:
    
    Marvin 3.5, 06/30/2004
    
    See Also:
    
    CLOSED_FLAG, THICKNESS_SET_FLAG
  - getArrowFlags
```
public int getArrowFlags(int i)
```
    Gets the arrow flags.
    
    Since:
    
    Marvin 3.5, 07/01/2004
  - setArrowFlags
```
public void setArrowFlags(int i,
                          int f)
```
    Sets the flags. arrowFlags[MPolyline.HEAD] tells the type of the arrow.
    
    Since:
    
    Marvin 3.5, 07/01/2004
  - getSkip
```
public double getSkip(int i)
```
    Gets the distance of the (visible) head or tail from the corresponding line end point.
    
    Parameters:
    
    i - HEAD or TAIL
    
    Returns:
    
    the skip value
    
    Since:
    
    Marvin 3.5, 07/15/2004
  - setSkip
```
public void setSkip(int i,
                    double d)
```
    Sets the distance of the (visible) head or tail from the corresponding line end point.
    
    Parameters:
    
    i - HEAD or TAIL
    
    d - the skip value
    
    Since:
    
    Marvin 3.5, 07/15/2004
  - hasColor
```
public boolean hasColor()
```
    A polyline does not have a non-line, non-background color.
    
    Overrides:
    
    hasColor in class MObject
    
    Returns:
    
    false
  - hasLineColor
```
public boolean hasLineColor()
```
    A polyline have a line color always.
    
    Overrides:
    
    hasLineColor in class MObject
    
    Returns:
    
    true
  - hasBackground
```
public boolean hasBackground()
```
    A polyline has a background only if it is closed.
    
    Overrides:
    
    hasBackground in class MObject
    
    Returns:
    
    true if closed
  - isThicknessSet
```
public boolean isThicknessSet()
```
    Checks if the line thickness is set. If it is not set, then the default value is used.
    
    Returns:
    
    true if thickness is set, false otherwise
    
    Since:
    
    Marvin 3.4, 06/09/2004
    
    See Also:
    
    DEFAULT_THICKNESS
  - getThickness
```
public double getThickness()
```
    Gets the line thickness.
    
    Returns:
    
    the line thickness
    
    Since:
    
    Marvin 3.4, 06/09/2004
  - setThickness
```
public void setThickness(double w)
```
    Sets the line thickness.
    
    Parameters:
    
    w - thickness value or 0 to use default
    
    Since:
    
    Marvin 3.4, 06/09/2004
  - getArcAngle
```
public double getArcAngle()
```
    Gets the central angle of the arc.
    
    Returns:
    
    the central angle of the arc or zero if the line is linear.
    
    Since:
    
    Marvin 3.5, 07/02/2004
  - setArcAngle
```
public void setArcAngle(double phi)
```
    Sets the central angle of the arc.
    
    Parameters:
    
    phi - the central angle of the arc, zero makes the line linear
    
    Since:
    
    Marvin 3.5, 07/02/2004
  - getArcRadius
```
public double getArcRadius(CTransform3D t)
```
    Gets the arc radius.
    
    Parameters:
    
    t - the transformation matrix
    
    Returns:
    
    the radius
    
    Since:
    
    Marvin 4.1, 04/28/2006
  - getArrowLength
```
public double getArrowLength(int i)
```
    Gets the arrow head length.
    
    Parameters:
    
    i - HEAD or TAIL
    
    Returns:
    
    the arrow head length
    
    Since:
    
    Marvin 3.5, 06/30/2004
  - setArrowLength
```
public void setArrowLength(int i,
                           double l)
```
    Sets the arrow head length.
    
    Parameters:
    
    i - HEAD or TAIL
    
    l - the head length
    
    Since:
    
    Marvin 3.5, 06/30/2004
  - getArrowWidth
```
public double getArrowWidth(int i)
```
    Gets the arrow head width.
    
    Parameters:
    
    i - HEAD or TAIL
    
    Returns:
    
    the arrow head width
    
    Since:
    
    Marvin 3.5, 06/30/2004
  - setArrowWidth
```
public void setArrowWidth(int i,
                          double l)
```
    Sets the arrow head width.
    
    Parameters:
    
    i - HEAD or TAIL
    
    l - the head width
    
    Since:
    
    Marvin 3.5, 06/30/2004
  - getPointCount
```
public int getPointCount()
```
    Gets the number of points.
    
    Specified by:
    
    getPointCount in class MObject
    
    Returns:
    
    the number of points (at least 2)
  - getPoints
```
public MPoint[] getPoints()
```
    Gets the points.
    
    Returns:
    
    the points
    
    Since:
    
    Marvin 4.1, 03/06/2006
  - getPoint
```
public MPoint getPoint(int i)
```
    Gets the clone of a point of the line.
    
    Specified by:
    
    getPoint in class MObject
    
    Parameters:
    
    i - the point index
    
    Returns:
    
    the point's clone
  - getPointRefCount
```
public int getPointRefCount()
```
    Gets the number of point references.
    
    Overrides:
    
    getPointRefCount in class MObject
    
    Returns:
    
    the number of points and midpoints
  - getPointRef
```
public MPoint getPointRef(int i,
                          CTransform3D trot)
```
    Gets a reference to a point or midpoint in the polyline.
    
    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
  - fixMidPointClones
```
public static void fixMidPointClones(MObject[] objarr0,
                                     MObject[] objarr)
```
    Fixes the parents of the cloned MMidPoints.
    
    Parameters:
    
    objarr0 - the original object array
    
    objarr - the cloned object array
  - transform
```
public void transform(CTransform3D t,
                      int opts,
                      CTransform3D trot)
```
    Transforms all points, scales the arrow head widths and lengths.
    
    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
  - reverse
```
public void reverse()
```
    Reverses the order of points.
    
    Since:
    
    Marvin 5.0, 09/20/2007
  - updateBoundingRect
```
public void updateBoundingRect(double[] xyminm,
                               CTransform3D pretrf)
```
    Calculate the bounding rectangle.
    
    Overrides:
    
    updateBoundingRect in class MObject
    
    Parameters:
    
    xyminm - array containing the current minimum x, y and maximum x, y coordinates
    
    pretrf - transformation matrix
    
    Since:
    
    Marvin 5.0, 02/16/2007
  - unselectContents
```
public void unselectContents()
```
    Unselects the points.
    
    Overrides:
    
    unselectContents in class MObject
  - calcCenter
```
public void calcCenter(DPoint3 p,
                       CTransform3D trot)
```
    Calculates the geometrical center.
    
    Specified by:
    
    calcCenter in class MObject
    
    Parameters:
    
    p - store the coordinates here
    
    trot - the viewing transformation or null
    
    Since:
    
    Marvin 4.1, 04/28/2006
  - getMidPointLocation
```
public DPoint3 getMidPointLocation(int i,
                                   CTransform3D t)
```
    Gets the middle point of the arc.
    
    Parameters:
    
    i - the polyline point index
    
    t - the transformation matrix or null
    
    Returns:
    
    the middle point
    
    Since:
    
    Marvin 4.1, 04/26/2006
  - distanceFrom
```
public 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:
    
    3.5, 11/04/2004
  - rotate
```
@Deprecated
public static void rotate(DPoint3 center,
                          double dphi,
                          DPoint3 p)
```
    Deprecated.
    As of Marvin 6.1, replaced by CTransform3D.setRotation(double, double, double, double) and CTransform3D.setRotationCenter(DPoint3).
    
    Rotates the third argument around the first argument with the second argument.
    
    Parameters:
    
    center - the center of rotation
    
    dphi - the angle of rotation
    
    p - the point to rotate
  - getLineMiddlePoint
```
public static DPoint3 getLineMiddlePoint(DPoint3 p1,
                                         DPoint3 p2)
```
  - getArcRadius
```
public static double getArcRadius(DPoint3 pointA,
                                  DPoint3 pointB,
                                  double angle)
```
  - getArcCenter
```
public static DPoint3 getArcCenter(DPoint3 p1,
                                   DPoint3 p2,
                                   double angle)
```
    Returns the arc center. For internal use only.
    
    Parameters:
    
    p1 - the first arc endpoint
    
    p2 - the second arc endpoint
    
    angle - the arc angle (degrees)
    
    Returns:
    
    the arc center
    
    Since:
    
    Marvin 3.5.1
  - isEmpty
```
public boolean isEmpty()
```
    A polyline becomes empty if it has less than 2 points.
    
    Overrides:
    
    isEmpty in class MObject
    
    Returns:
    
    true if empty, false otherwise
  - hasOutline
```
public boolean hasOutline()
```
    Does it have an outline?
    
    Returns:
    
    true if the color is not null or the object does not have a face
  - hasFace
```
public boolean hasFace()
```
    Is it 2 dimensional?
    
    Returns:
    
    true if closed and it has a background color, false otherwise
  - removeChild
```
public void removeChild(MObject o)
```
    Description copied from class: MObject
    
    Removes a child object.
    
    Overrides:
    
    removeChild in class MObject
    
    Parameters:
    
    o - the child
  - addAttributeKeys
```
public void addAttributeKeys(List<String> v)
```
    Adds the attribute names to the specified vector.
    
    Overrides:
    
    addAttributeKeys in class MObject
    
    Parameters:
    
    v - the vector
    
    Since:
    
    Marvin 3.4, 06/09/2004
  - getAttribute
```
public String getAttribute(String s)
```
    Gets the value of an attribute.
    
    Overrides:
    
    getAttribute in class MObject
    
    Parameters:
    
    s - the attribute name
    
    Returns:
    
    the value or null
    
    Since:
    
    Marvin 3.4, 06/09/2004
  - setAttribute
```
public void setAttribute(String s,
                         String v)
```
    Sets the value of an attribute.
    
    Overrides:
    
    setAttribute in class MObject
    
    Parameters:
    
    s - the attribute name
    
    v - the attribute value
    
    Since:
    
    Marvin 3.4, 07/01/2004
  - containsAtom
```
public boolean containsAtom(MolAtom a)
```
    Checks if the atom set contains the specified atom object.
    
    Overrides:
    
    containsAtom in class MObject
    
    Returns:
    
    true if the atom set contains the specified object, false otherwise
    
    Since:
    
    Marvin 3.5, 07/04/2004
  - replaceAtom
```
public void replaceAtom(MolAtom orig,
                        MolAtom a)
```
    Replaces a contained atom with another one.
    
    Overrides:
    
    replaceAtom in class MObject
    
    Parameters:
    
    orig - the original atom
    
    a - the new atom
    
    Since:
    
    Marvin 3.5, 07/04/2004
  - checkValidity
```
public boolean checkValidity(MDocument doc,
                             Collection<MolAtom> invec)
```
    Is it a valid object in the document?
    
    Overrides:
    
    checkValidity in class MObject
    
    Parameters:
    
    doc - the document
    
    invec - collection of invalid atoms or null
    
    Returns:
    
    true if the object is valid, false if it contains an invalid point
    
    Since:
    
    Marvin 3.5, 07/06/2004
  - finishCloning
```
public void finishCloning(MDocument olddoc,
                          MDocument newdoc)
```
    Finish cloning a document.
    
    Overrides:
    
    finishCloning in class MObject
    
    Since:
    
    Marvin 3.5, 07/02/2004
  - getMirroredArrowFlags
```
protected int getMirroredArrowFlags(int i)
```
    Mirror transformation for arrow heads.
  - fixClonedPoints
```
public void fixClonedPoints(MObject[] objarr0,
                            MObject[] objarr,
                            int i)
```
    Description copied from class: MObject
    
    Sets the parent object for this object. Should only be called by the copy constructor.
    
    Overrides:
    
    fixClonedPoints in class MObject
    
    Parameters:
    
    objarr0 - the new object list
    
    objarr - the old object list
    
    i - the corresponding index from the old object list
  - removeNotify
```
public void removeNotify(MDocument doc)
```
    Description copied from class: MObject
    
    Called when the object is removed from a document.
    
    Overrides:
    
    removeNotify in class MObject
    
    Parameters:
    
    doc - The document from which the object is removed.

Class MPolyline

Field Summary

Fields inherited from class chemaxon.struc.MObject

Constructor Summary

Method Summary

Methods inherited from class chemaxon.struc.MObject

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_THICKNESS

DEFAULT_ARROW_HEAD_LENGTH

DEFAULT_ARROW_HEAD_WIDTH

DEFAULT_MAX_CROSS_SIZE

DEFAULT_EQUILIBRIUM_HEAD_WIDTH

DEFAULT_RETROSYNTHETIC_HEAD_WIDTH

TAIL

HEAD

CLOSED_FLAG

THICKNESS_SET_FLAG

ARROW_BACK_FLAG

ARROW_HALF_MASK

ARROW_HALF_LEFT

ARROW_HALF_RIGHT

ARROW_GROUP1_MASK

ARROW_RETROSYNTHETIC_FLAG

ARROW_EQUILIBRIUM_FLAG

ARROW_GROUP2_MASK

ARROW_DASHED_FLAG

ARROW_CROSSED_FLAG

ARROW_CURVED_FLAG

points

arrowFlags

Constructor Detail

MPolyline

MPolyline

MPolyline

MPolyline

MPolyline

MPolyline

Method Detail

copyProperties

isArrow

setArrow

setPoints

clone

getFlags

setFlags

getArrowFlags

setArrowFlags

getSkip

setSkip

hasColor

hasLineColor

hasBackground

isThicknessSet

getThickness

setThickness

getArcAngle

setArcAngle

getArcRadius

getArrowLength

setArrowLength

getArrowWidth

setArrowWidth

getPointCount

getPoints

getPoint

getPointRefCount

getPointRef

fixMidPointClones

transform

reverse

updateBoundingRect

unselectContents

calcCenter

getMidPointLocation

distanceFrom

rotate

getLineMiddlePoint

getArcRadius

getArcCenter