org.deegree.geometry.standard.curvesegments
Class DefaultCubicSpline

java.lang.Object
  org.deegree.geometry.standard.curvesegments.DefaultCubicSpline

All Implemented Interfaces:

CubicSpline, CurveSegment

public class DefaultCubicSpline
extends java.lang.Object
implements CubicSpline

Default implementation of CubicSpline segments.

Version:

$Revision:$, $Date:$

Author:

Markus Schneider , last edited by: $Author:$

Nested Class Summary

Nested classes/interfaces inherited from interface org.deegree.geometry.primitive.segments.CurveSegment

CurveSegment.CurveSegmentType

Constructor Summary

DefaultCubicSpline(Points points, Point vectorAtStart, Point vectorAtEnd)
Creates a new DefaultCubicSpline instance from the given parameters.

Method Summary

Points	getControlPoints() Returns the control points of the spline.
int	getCoordinateDimension() Returns the coordinate dimension, i.e. the dimension of the space that the curve is embedded in.
Point	getEndPoint() Returns the end point of the segment.
CurveSegment.CurveSegmentType	getSegmentType() Returns the type of curve segment.
Point	getStartPoint() Returns the start point of the segment.
Point	getVectorAtEnd() Returns the unit tangent vector at the end point of the spline.
Point	getVectorAtStart() Returns the unit tangent vector at the start point of the spline.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultCubicSpline

public DefaultCubicSpline(Points points,
                          Point vectorAtStart,
                          Point vectorAtEnd)

Creates a new DefaultCubicSpline instance from the given parameters.

Parameters:

points - control points, must have at least two entries

vectorAtStart - the unit tangent vector at the start point of the spline

vectorAtEnd - the unit tangent vector at the end point of the spline

Method Detail

getVectorAtStart

public Point getVectorAtStart()

Description copied from interface: CubicSpline

Returns the unit tangent vector at the start point of the spline.

Specified by:

getVectorAtStart in interface CubicSpline

Returns:

the unit tangent vector at the start point of the spline

getVectorAtEnd

public Point getVectorAtEnd()

Description copied from interface: CubicSpline

Returns the unit tangent vector at the end point of the spline.

Specified by:

getVectorAtEnd in interface CubicSpline

Returns:

the unit tangent vector at the end point of the spline

getCoordinateDimension

public int getCoordinateDimension()

Description copied from interface: CurveSegment

Returns the coordinate dimension, i.e. the dimension of the space that the curve is embedded in.

Specified by:

getCoordinateDimension in interface CurveSegment

Returns:

the coordinate dimension

getControlPoints

public Points getControlPoints()

Description copied from interface: CubicSpline

Returns the control points of the spline.

Specified by:

getControlPoints in interface CubicSpline

Returns:

the control points of the spline

getStartPoint

public Point getStartPoint()

Description copied from interface: CurveSegment

Returns the start point of the segment.

Specified by:

getStartPoint in interface CurveSegment

Returns:

the start point of the segment

getEndPoint

public Point getEndPoint()

Description copied from interface: CurveSegment

Returns the end point of the segment.

Specified by:

getEndPoint in interface CurveSegment

Returns:

the end point of the segment

getSegmentType

public CurveSegment.CurveSegmentType getSegmentType()

Description copied from interface: CurveSegment

Returns the type of curve segment.

Specified by:

getSegmentType in interface CurveSegment

Returns:

the type of curve segment