Constructor Detail

• GeoEllipticArc

  public GeoEllipticArc()

  Initializes a new GeoEllipticArc object.

• GeoEllipticArc

  public GeoEllipticArc(GeoEllipticArc geoEllipticArc)

  Initializes an object identical to the given GeoEllipticArc object.

  Parameters:

  geoEllipticArc - The given GeoEllipticArc object.

• GeoEllipticArc

  public GeoEllipticArc(Point2D center,
                        double semimajorAxis,
                        double semiminorAxis,
                        double startAngle,
                        double sweepAngle,
                        double rotation)

  Creates a new GeoEllipticArc object according to the specified arguments.

  Parameters:

  center - the specified center of the ellipse where the elliptic arc lies.

  semimajorAxis - The semimajor axis

  semiminorAxis - The semiminor axis

  startAngle - The start angle

  sweepAngle - The end angle

  rotation - the rotation angle of the ellipse where the elliptic arc lies. The pivot point is the center of the ellipse which the GeoEllipticArc object belongs to.

Method Detail

• getCenter

  public Point2D getCenter()

  Returns the center of the ellipse which the GeoEllipticArc object belongs to.

  Returns:

  the center of the ellipse which the GeoEllipticArc object belongs to.

  Default:

  The default value is {X = 0,Y = 0}.

• setCenter

  public void setCenter(Point2D point2D)

  Sets the center of the ellipse where the elliptic arc lies.

  Parameters:

  point2D - the center of the ellipse which the GeoEllipticArc object belongs to.

• getSemimajorAxis

  public double getSemimajorAxis()

  Returns the length of the semimajor of the ellipse where the elliptic arc lies.

  Returns:

  the length of the semimajor of the ellipse where the elliptic arc lies.

  Default:

  The default value is 2.

• setSemimajorAxis

  public void setSemimajorAxis(double value)

  Sets the length of the semimajor of the ellipse where the elliptic arc lies.

  Parameters:

  value - the length of the semimajor of the ellipse where the elliptic arc lies.

• getSemiminorAxis

  public double getSemiminorAxis()

  Returns the length of the semiminor of the ellipse where the elliptic arc lies.

  Returns:

  the length of the semiminor of the ellipse where the elliptic arc lies.

  Default:

  The default value is 1.

• setSemiminorAxis

  public void setSemiminorAxis(double value)

  Sets the length of the semiminor of the ellipse where the elliptic arc lies.

  Parameters:

  value - the length of the semiminor of the ellipse where the elliptic arc lies.

• getStartAngle

  public double getStartAngle()

  Returns the start angle of the elliptic arc, with the accuracy being 0.1 degrees.

  Returns:

  the start angle of the GeoEllipticArc object.

  Default:

  The default value is 0.

• setStartAngle

  public void setStartAngle(double value)

  Sets the start angle of the elliptic arc, with the accuracy being 0.1 degrees.

  Parameters:

  value - the start angle of the GeoEllipticArc object.

• getSweepAngle

  public double getSweepAngle()

  Returns the sweep angle in degrees of the elliptical arc. It is accurate to 0.1 degree. The sweep angle (measured from the start angle) ranging from -360 degrees to 360 degrees defining where the elliptical arc ends. Positive angle indicates the sweep direction is anticlockwise, negative is clockwise.

  Returns:

  The sweep angle of the GeoEllipticArc object.

  Default:

  The default value is 180.

• setSweepAngle

  public void setSweepAngle(double value)

  Sets the sweep angle in degrees of the elliptical arc. It is accurate to 0.1 degree. The sweep angle (measured from the start angle) ranging from -360 degrees to 360 degrees defining where the elliptical arc ends. Positive angle indicates the sweep direction is anticlockwise, negative is clockwise.

  Parameters:

  value - The sweep angle of the GeoEllipticArc object.

• getRotation

  public double getRotation()

  Returns the angle of the rotation of the elliptic arc. It is accurate to 0.1 degree. The pivot point is the center of the ellipse which the GeoEllipticArc object belongs to.

  The rotation angle of the GeoEllipticArc object after being stored with the data engine. The accuracy is 0.1 degrees. The rotation angle accuracy doesn't change for the GeoEllipticArc object constructed by the constructor.

  Returns:

  the rotation angle of the GeoEllipticArc object.

  Default:

  The default value is 0.

• setRotation

  public void setRotation(double value)

  Sets the angle of the rotation of the elliptic arc. It is accurate to 0.1 degree. The pivot point is the center of the ellipse which the GeoEllipticArc object belongs to.

  Parameters:

  value - the start angle of the GeoEllipticArc object.

• getLength

  public double getLength()

  Returns the length of the elliptic arc.

  Returns:

  the length of the elliptic arc.

  Default:

  The default value is 3.1413434449768.

• convertToLine

  public GeoLine convertToLine(int segmentCount)

  Converts the GeoEllipticArc object to the GeoLine object.

  Parameters:

  segmentCount - The count of the segment that are divided equally into.

  Returns:

  The line geometrical object.

• findPointOnArc

  public Point2D findPointOnArc(double sweepAngle)

  Gets one point of the elliptic arc according to the specified angle.

  Parameters:

  sweepAngle - Angle value, it's a absolute angle value here, it's between the start angle and the end angle.

  Returns:

  Point2D Type object.

• clone

  public GeoEllipticArc clone()

  Returns a copy of the current GeoEllipticArc object.

  Specified by:

  clone in class Geometry

  Returns:

  The GeoEllipticArc object generated from the clone operation.

• dispose

  public void dispose()

  Disposes the resources occupied by the object. After calling this method, this object will not be usable.

  Overrides:

  dispose in class Geometry