org.deegree.model.spatialschema
Class CurveImpl

java.lang.Object
  org.deegree.model.spatialschema.GeometryImpl
      org.deegree.model.spatialschema.PrimitiveImpl
          org.deegree.model.spatialschema.OrientablePrimitiveImpl
              org.deegree.model.spatialschema.OrientableCurveImpl
                  org.deegree.model.spatialschema.CurveImpl

All Implemented Interfaces:

java.io.Serializable, Curve, GenericCurve, Geometry, OrientableCurve, OrientablePrimitive, Primitive

public class CurveImpl
extends OrientableCurveImpl
implements Curve, GenericCurve

default implementation of

Version:

$Revision: 23675 $ $Date: 2010-04-19 11:20:41 +0200 (Mo, 19 Apr 2010) $

Author:

Andreas Poth

See Also:

Curve, Serialized Form

Field Summary

protected java.util.ArrayList<CurveSegment>

segments

Fields inherited from class org.deegree.model.spatialschema.OrientablePrimitiveImpl

orientation

Fields inherited from class org.deegree.model.spatialschema.GeometryImpl

boundary, centroid, convexHull, crs, empty, envelope, mute, valid

Fields inherited from interface org.deegree.model.spatialschema.Geometry

BUFFER_CAP_BUTT, BUFFER_CAP_ROUND, BUFFER_CAP_SQUARE

Constructor Summary

protected	CurveImpl(char orientation, CurveSegment[] segments) initialize the curve by submitting a spatial reference system, an array of curve segments and the orientation of the curve
protected	CurveImpl(CurveSegment segments) initialize the curve by submitting a spatial reference system and an array of curve segments. the orientation of the curve is '+'
protected	CurveImpl(CurveSegment[] segments) initialize the curve by submitting a spatial reference system and an array of curve segments. the orientation of the curve is '+'
protected	CurveImpl(CurveSegment[] segments, CoordinateSystem crs) initialize the curve by submitting a spatial reference system and an array of curve segments. the orientation of the curve is '+'

Method Summary

protected void	calculateParam() recalculates internal parameters
java.lang.Object	clone()
boolean	equals(java.lang.Object other) checks if this curve is completely equal to the submitted geometry
LineString	getAsLineString() returns the curve as LineString. if there isn't a curve segment within the curve null will be returned
int	getCoordinateDimension() The operation "coordinateDimension" shall return the dimension of the coordinates that define this Geometry, which must be the same as the coordinate dimension of the coordinate reference system for this Geometry.
CurveBoundary	getCurveBoundary() returns the boundary of the curve
CurveSegment	getCurveSegmentAt(int index) returns the curve segment at the submitted index
CurveSegment[]	getCurveSegments()
int	getDimension() The operation "dimension" shall return the inherent dimension of this Geometry, which shall be less than or equal to the coordinate dimension.
Point	getEndPoint() returns the last point of the curve.if the curve doesn't contain a segment or the last segment doesn't contain a point null will be returned
double	getLength() returns the length of the curve in units of the related spatial reference system
int	getNumberOfCurveSegments() returns the number of segments building the curve
Point	getStartPoint() returns the first point of the curve. if the curve doesn't contain a segment or the first segment doesn't contain a point null will be returned
boolean	intersects(Geometry gmo) The Boolean valued operation "intersects" shall return TRUE if this Geometry intersects another Geometry.
boolean	isEmpty()
java.lang.String	toString()
void	translate(double[] d) translate each point of the curve with the values of the submitted double array.
Geometry	union(Geometry other) The "union" operation shall return the set theoretic union of this Geometry and the passed Geometry.

Methods inherited from class org.deegree.model.spatialschema.OrientablePrimitiveImpl

getOrientation, setOrientation

Methods inherited from class org.deegree.model.spatialschema.GeometryImpl

contains, contains, difference, distance, getBoundary, getBuffer, getBuffer, getCentroid, getConvexHull, getCoordinateSystem, getEnvelope, getTolerance, intersection, isValid, isWithinDistance, setCoordinateSystem, setEmpty, setTolerance, setValid

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.deegree.model.spatialschema.OrientablePrimitive

getOrientation, setOrientation

Methods inherited from interface org.deegree.model.spatialschema.Geometry

contains, contains, difference, distance, getBoundary, getBuffer, getBuffer, getCentroid, getConvexHull, getCoordinateSystem, getEnvelope, getTolerance, intersection, isWithinDistance, setTolerance

Field Detail

segments

protected java.util.ArrayList<CurveSegment> segments

Constructor Detail

CurveImpl

protected CurveImpl(CurveSegment segments)
             throws GeometryException

initialize the curve by submitting a spatial reference system and an array of curve segments. the orientation of the curve is '+'

Parameters:

segments - array of CurveSegment

Throws:

GeometryException

CurveImpl

protected CurveImpl(CurveSegment[] segments)
             throws GeometryException

initialize the curve by submitting a spatial reference system and an array of curve segments. the orientation of the curve is '+'

Parameters:

segments - array of CurveSegment

Throws:

GeometryException

CurveImpl

protected CurveImpl(CurveSegment[] segments,
                    CoordinateSystem crs)
             throws GeometryException

initialize the curve by submitting a spatial reference system and an array of curve segments. the orientation of the curve is '+'

Parameters:

segments - array of CurveSegment

crs -

Throws:

GeometryException

CurveImpl

protected CurveImpl(char orientation,
                    CurveSegment[] segments)
             throws GeometryException

initialize the curve by submitting a spatial reference system, an array of curve segments and the orientation of the curve

Parameters:

segments - array of CurveSegment

orientation - of the curve

Throws:

GeometryException

Method Detail

calculateParam

protected void calculateParam()

Description copied from class: GeometryImpl

recalculates internal parameters

Specified by:

calculateParam in class GeometryImpl

getCurveBoundary

public CurveBoundary getCurveBoundary()

returns the boundary of the curve

Specified by:

getCurveBoundary in interface OrientableCurve

Returns:

the curve boundary of an orientable curve.

getDimension

public int getDimension()

The operation "dimension" shall return the inherent dimension of this Geometry, which shall be less than or equal to the coordinate dimension. The dimension of a collection of geometric objects shall be the largest dimension of any of its pieces. Points are 0-dimensional, curves are 1-dimensional, surfaces are 2-dimensional, and solids are 3-dimensional.

Specified by:

getDimension in interface Geometry

Returns:

the for this geometry defined dimension.

getCoordinateDimension

public int getCoordinateDimension()

The operation "coordinateDimension" shall return the dimension of the coordinates that define this Geometry, which must be the same as the coordinate dimension of the coordinate reference system for this Geometry.

Specified by:

getCoordinateDimension in interface Geometry

Returns:

the actual dimension

intersects

public boolean intersects(Geometry gmo)

The Boolean valued operation "intersects" shall return TRUE if this Geometry intersects another Geometry. Within a Complex, the Primitives do not intersect one another. In general, topologically structured data uses shared geometric objects to capture intersection information.

dummy implementation

Specified by:

intersects in interface Geometry

Overrides:

intersects in class GeometryImpl

Parameters:

gmo - the Geometry to intersect with

Returns:

true if the objects intersects, else false

getLength

public double getLength()

returns the length of the curve in units of the related spatial reference system

Specified by:

getLength in interface GenericCurve

Returns:

the length of the curve in units of the related spatial reference system

getNumberOfCurveSegments

public int getNumberOfCurveSegments()

returns the number of segments building the curve

Specified by:

getNumberOfCurveSegments in interface Curve

Returns:

number of segments

getStartPoint

public Point getStartPoint()

returns the first point of the curve. if the curve doesn't contain a segment or the first segment doesn't contain a point null will be returned

Specified by:

getStartPoint in interface GenericCurve

Returns:

the first point of the curve

getEndPoint

public Point getEndPoint()

returns the last point of the curve.if the curve doesn't contain a segment or the last segment doesn't contain a point null will be returned

Specified by:

getEndPoint in interface GenericCurve

Returns:

the last point of the curve

getAsLineString

public LineString getAsLineString()
                           throws GeometryException

returns the curve as LineString. if there isn't a curve segment within the curve null will be returned

Specified by:

getAsLineString in interface GenericCurve

Returns:

the curve as LineString

Throws:

GeometryException

getCurveSegmentAt

public CurveSegment getCurveSegmentAt(int index)
                               throws GeometryException

returns the curve segment at the submitted index

Specified by:

getCurveSegmentAt in interface Curve

Parameters:

index - index of the curve segment that should be returned

Returns:

segment at passed index position

Throws:

GeometryException - a exception will be thrown if index is smaller than '0' or larger than getNumberOfCurveSegments()-1

getCurveSegments

public CurveSegment[] getCurveSegments()
                                throws GeometryException

Specified by:

getCurveSegments in interface Curve

Returns:

all segments of a Curve

Throws:

GeometryException

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Geometry

Overrides:

isEmpty in class GeometryImpl

Returns:

true if no segment is within the curve

translate

public void translate(double[] d)

translate each point of the curve with the values of the submitted double array.

Specified by:

translate in interface Geometry

Overrides:

translate in class GeometryImpl

Parameters:

d - vector to translate the geometry with

equals

public boolean equals(java.lang.Object other)

checks if this curve is completely equal to the submitted geometry

Overrides:

equals in class GeometryImpl

Parameters:

other - object to compare to

Returns:

true if the objects are equal, else false

union

public Geometry union(Geometry other)

Description copied from class: GeometryImpl

The "union" operation shall return the set theoretic union of this Geometry and the passed Geometry.

Specified by:

union in interface Geometry

Overrides:

union in class GeometryImpl

Parameters:

other - the Geometry to unify

Returns:

intersection or null, if computation failed

clone

public java.lang.Object clone()

Overrides:

clone in class GeometryImpl

toString

public java.lang.String toString()

Overrides:

toString in class GeometryImpl