/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2006-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.geometry.iso.root;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.geotools.geometry.iso.PositionFactoryImpl;
import org.geotools.geometry.iso.PrecisionModel;
import org.geotools.geometry.iso.UnsupportedDimensionException;
import org.geotools.geometry.iso.aggregate.MultiCurveImpl;
import org.geotools.geometry.iso.aggregate.MultiPointImpl;
import org.geotools.geometry.iso.aggregate.MultiPrimitiveImpl;
import org.geotools.geometry.iso.aggregate.MultiSurfaceImpl;
import org.geotools.geometry.iso.complex.ComplexImpl;
import org.geotools.geometry.iso.complex.CompositeCurveImpl;
import org.geotools.geometry.iso.complex.CompositeSurfaceImpl;
import org.geotools.geometry.iso.coordinate.EnvelopeImpl;
import org.geotools.geometry.iso.operation.overlay.OverlayOp;
import org.geotools.geometry.iso.operation.relate.RelateOp;
import org.geotools.geometry.iso.primitive.CurveBoundaryImpl;
import org.geotools.geometry.iso.primitive.CurveImpl;
import org.geotools.geometry.iso.primitive.PointImpl;
import org.geotools.geometry.iso.primitive.PrimitiveFactoryImpl;
import org.geotools.geometry.iso.primitive.RingImpl;
import org.geotools.geometry.iso.primitive.RingImplUnsafe;
import org.geotools.geometry.iso.primitive.SurfaceBoundaryImpl;
import org.geotools.geometry.iso.primitive.SurfaceImpl;
import org.geotools.geometry.iso.topograph2D.Coordinate;
import org.geotools.geometry.iso.topograph2D.IntersectionMatrix;
import org.geotools.geometry.iso.util.Assert;
import org.geotools.geometry.iso.util.algorithm2D.CGAlgorithms;
import org.geotools.geometry.iso.util.algorithm2D.CentroidArea2D;
import org.geotools.geometry.iso.util.algorithm2D.ConvexHull;
import org.geotools.geometry.iso.util.algorithmND.CentroidLine;
import org.geotools.geometry.iso.util.algorithmND.CentroidPoint;
import org.geotools.referencing.CRS;
import org.opengis.geometry.Boundary;
import org.opengis.geometry.DirectPosition;
import org.opengis.geometry.Envelope;
import org.opengis.geometry.Geometry;
import org.opengis.geometry.MismatchedDimensionException;
import org.opengis.geometry.PositionFactory;
import org.opengis.geometry.Precision;
import org.opengis.geometry.TransfiniteSet;
import org.opengis.geometry.aggregate.MultiPrimitive;
import org.opengis.geometry.complex.Complex;
import org.opengis.geometry.coordinate.LineSegment;
import org.opengis.geometry.primitive.OrientableCurve;
import org.opengis.geometry.primitive.OrientableSurface;
import org.opengis.geometry.primitive.Primitive;
import org.opengis.geometry.primitive.Ring;
import org.opengis.referencing.FactoryException;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import org.opengis.referencing.operation.TransformException;
/**
*
* GeometryImpl is the root class of the geometric object taxonomy and supports
* methods common to all geographically referenced geometric objects.
* GeometryImpl instances are sets of direct positions in a particular
* coordinate reference system. A GeometryImpl can be regarded as an infinite
* set of points that satisfies the set operation interfaces for a set of direct
* positions, TransfiniteSet<DirectPosition>. Since an infinite collection
* class cannot be implemented directly, a boolean test for inclusion is
* provided by this class.
*
* NOTE As a type, GeometryImpl does not have a well-defined default state or
* value representation as a data type. Instantiated subclasses of GeometryImpl
* will.
*
*
*
* @source $URL$
* @version <A HREF="http://www.opengis.org/docs/01-101.pdf">Abstract
* Specification V5</A>
* @author Jackson Roehrig & Sanjay Jena
*/
public abstract class GeometryImpl implements Geometry, Serializable {
private boolean mutable = true;
// TODO: Remove this and use positionFactory.getCoordinateReferenceSystem()
protected final CoordinateReferenceSystem crs;
// TODO: Remove this and use positionFactory.getPrecision()
protected final Precision percision;
//protected final PrimitiveFactory primitiveFactory; // for making stuff like curve, point
//protected final GeometryFactory geometryFactory; // geometry for Line etc...
private transient PositionFactory positionFactory; // for position and point array
//protected final ComplexFactory complexFactory; // surface and friends
public GeometryImpl(CoordinateReferenceSystem crs, Precision pm ){
this.crs = crs;
this.percision = pm;
this.positionFactory = new PositionFactoryImpl(crs, pm);
}
public GeometryImpl(CoordinateReferenceSystem coordinateReferenceSystem) {
this( coordinateReferenceSystem, new PrecisionModel() );
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#clone()
*/
public abstract GeometryImpl clone() throws CloneNotSupportedException;
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getBoundary()
*/
public abstract Boundary getBoundary();
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getDimension(org.opengis.geometry.coordinate.DirectPosition)
*/
public abstract int getDimension(DirectPosition point);
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getEnvelope()
*/
public abstract Envelope getEnvelope();
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getRepresentativePoint()
*/
public abstract DirectPosition getRepresentativePoint();
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#isMutable()
*/
public boolean isMutable() {
// TODO semantic JR, SJ
// TODO implementation
// TODO test
// TODO documentation
return this.mutable;
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#toImmutable()
*/
public Geometry toImmutable() {
// TODO semantic JR, SJ
// TODO implementation
// TODO test
// TODO documentation
if (this.mutable) {
try {
GeometryImpl g = this.clone();
g.mutable = false;
return g;
} catch (CloneNotSupportedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
}
return this;
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getCoordinateReferenceSystem()
*/
public CoordinateReferenceSystem getCoordinateReferenceSystem() {
return crs;
}
public Precision getPrecision() {
return percision;
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getCoordinateDimension()
*/
public int getCoordinateDimension() {
return crs.getCoordinateSystem().getDimension();
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#transform(org.opengis.referencing.crs.CoordinateReferenceSystem)
*/
public Geometry transform(CoordinateReferenceSystem newCRS)
throws TransformException {
// create the appropriate math transform and do the transform
MathTransform transform = null;
try {
transform = CRS.findMathTransform(this.getCoordinateReferenceSystem(), newCRS);
} catch (FactoryException e) {
Assert.isTrue(false, "Could not find math transform for given CRS objects.");
//e.printStackTrace();
}
return transform(newCRS, transform);
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#transform(org.opengis.referencing.crs.CoordinateReferenceSystem,
* org.opengis.referencing.operation.MathTransform)
*/
public Geometry transform(CoordinateReferenceSystem newCRS,
MathTransform transform) throws MismatchedDimensionException, TransformException {
// this should be handled in each of the individual geometry classes (ie:
// PointImpl, CurveImpl, etc), if not it will fall through to here
throw new UnsupportedOperationException("Transform not implemented for this geometry type yet.");
}
/**
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getDistance(org.opengis.geometry.coordinate.root.Geometry)
* @deprecated use distance()
*/
public final double getDistance(Geometry geometry) {
return this.distance(geometry);
}
/**
* Computes the distance between this and another geometry. We have
* to implement the logic of dealing with multiprimtive geometries separately.
*
* gdavis - This method should really be broken out into 1 of 2 things:
* 1. an operator class that figures out the geometry type
* and does the operation based on that, or
* 2. a double dispatch command pattern system that returns a command to perform
* based on the geometry type and the command of "distance".
* Currently this implementation works for our needs, but we should
* consider re-designing it with one of the above approaches for better
* scalability.
* @see org.opengis.geometry.coordinate.root.Geometry#distance(org.opengis.geometry.coordinate.root.Geometry)
*/
public final double distance(Geometry geometry) {
// first determine if this or the given geom is a multiprimitive, if so, break it
// down and loop through each of its geoms and determine the mindistance from
// those.
if (geometry instanceof MultiPrimitive) {
double minDistance = Double.POSITIVE_INFINITY;
MultiPrimitive gc1 = (MultiPrimitive) geometry;
Iterator<? extends Geometry> iter = gc1.getElements().iterator();
while (iter.hasNext()) {
GeometryImpl prim = (GeometryImpl) iter.next();
double d = prim.distance(this);
if (d < minDistance) {
minDistance = d;
// can't get smaller than 0, so exit now if that is the case
if (minDistance == 0) return 0;
}
}
return minDistance;
}
else if (this instanceof MultiPrimitive) {
double minDistance = Double.POSITIVE_INFINITY;
MultiPrimitive gc1 = (MultiPrimitive) this;
Iterator<? extends Geometry> iter = gc1.getElements().iterator();
while (iter.hasNext()) {
GeometryImpl prim = (GeometryImpl) iter.next();
double d = prim.distance(geometry);
if (d < minDistance) {
minDistance = d;
// can't get smaller than 0, so exit now if that is the case
if (minDistance == 0) return 0;
}
}
return minDistance;
}
else {
// first check if the geometries intersect (if so the min distance is 0)
if (this.intersects(geometry)) {
return 0;
}
// ensure both this and the given geometry are either points or
// linesegments so we can use the CGAlrogrithm calculations.
List<LineSegment> lines1 = null;
List<LineSegment> lines2 = null;
PointImpl point1 = null;
PointImpl point2 = null;
// convert this geom
if (this instanceof PointImpl) {
point1 = (PointImpl) this;
}
else if (this instanceof CurveImpl) {
lines1 = ((CurveImpl)this).asLineSegments();
}
else if (this instanceof RingImplUnsafe) {
lines1 = ((RingImplUnsafe)this).asLineString().asLineSegments();
}
else if (this instanceof RingImpl) {
lines1 = ((RingImpl)this).asLineString().asLineSegments();
}
else if (this instanceof SurfaceImpl) {
lines1 = ((RingImplUnsafe)((SurfaceImpl)this).getBoundary().getExterior()).asLineString().asLineSegments();
}
// convert given geom
if (geometry instanceof PointImpl) {
point2 = (PointImpl) geometry;
}
else if (geometry instanceof CurveImpl) {
lines2 = ((CurveImpl)geometry).asLineSegments();
}
else if (geometry instanceof RingImplUnsafe) {
lines2 = ((RingImplUnsafe)geometry).asLineString().asLineSegments();
}
else if (geometry instanceof RingImpl) {
lines2 = ((RingImpl)geometry).asLineString().asLineSegments();
}
else if (geometry instanceof SurfaceImpl) {
lines2 = ((RingImplUnsafe)((SurfaceImpl)geometry).getBoundary().getExterior()).asLineString().asLineSegments();
}
// now determine which algorithm to use for finding the shortest
// distance between the two geometries
if (point1 != null && point2 != null) {
// use directposition.distance()
return point1.getPosition().distance(point2.getPosition());
}
else if (lines1 != null) {
if (point2 != null) {
// loop through each linesegment and check for the min distance
double minDistance = Double.POSITIVE_INFINITY;
for (int i=0; i<lines1.size(); i++) {
Coordinate c1 = new Coordinate(point2.getRepresentativePoint().getCoordinates());
Coordinate cA = new Coordinate(lines1.get(i).getStartPoint().getCoordinates());
Coordinate cB = new Coordinate(lines1.get(i).getEndPoint().getCoordinates());
double d = CGAlgorithms.distancePointLine(c1, cA, cB);
if ( d < minDistance) {
minDistance = d;
if (minDistance == 0) return 0;
}
}
return minDistance;
}
else if (lines2 != null) {
// loop through each set of linesegments and check for the
// min distance
double minDistance = Double.POSITIVE_INFINITY;
for (int i=0; i<lines1.size(); i++) {
for (int y=0; y<lines2.size(); y++) {
Coordinate A = new Coordinate(lines1.get(i).getStartPoint().getCoordinates());
Coordinate B = new Coordinate(lines1.get(i).getEndPoint().getCoordinates());
Coordinate C = new Coordinate(lines2.get(y).getStartPoint().getCoordinates());
Coordinate D = new Coordinate(lines2.get(y).getEndPoint().getCoordinates());
double d = CGAlgorithms.distanceLineLine(A, B, C, D);
if ( d < minDistance) {
minDistance = d;
if (minDistance == 0) return 0;
}
}
}
return minDistance;
}
}
else if (lines2 != null) {
if (point1 != null) {
// loop through each linesegment and check for the min distance
double minDistance = Double.POSITIVE_INFINITY;
for (int i=0; i<lines2.size(); i++) {
Coordinate c1 = new Coordinate(point1.getRepresentativePoint().getCoordinates());
Coordinate cA = new Coordinate(lines2.get(i).getStartPoint().getCoordinates());
Coordinate cB = new Coordinate(lines2.get(i).getEndPoint().getCoordinates());
double d = CGAlgorithms.distancePointLine(c1, cA, cB);
if ( d < minDistance) {
minDistance = d;
if (minDistance == 0) return 0;
}
}
return minDistance;
}
}
}
// if it is some other type, show an error
// TODO: implement code for any missing types
Assert.isTrue(false);
return Double.NaN;
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getBuffer(double)
*/
public Geometry getBuffer(double distance) {
// TODO semantic JR, SJ
// TODO implementation
// TODO test
// TODO documentation
Assert.isTrue(false);
return null;
}
/**
* Return a Primitive which represents the envelope of this Geometry instance
* (non-Javadoc)
*
* @return primitive representing the envelope of this Geometry
* @see org.opengis.geometry.coordinate.root.Geometry#getMbRegion()
*/
public Geometry getMbRegion() {
PrimitiveFactoryImpl primitiveFactory = new PrimitiveFactoryImpl(crs, getPositionFactory());
return primitiveFactory.createPrimitive( this.getEnvelope() );
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getCentroid()
*/
public DirectPosition getCentroid() {
// Point: the point itself
// MultiPoint: the average of the contained points
if (this instanceof PointImpl ||
this instanceof MultiPointImpl) {
CentroidPoint cp = new CentroidPoint(this.crs);
cp.add(this);
return cp.getCentroid();
} else
// CurveBoundary: the average of start and end point
if (this instanceof CurveBoundaryImpl) {
CentroidPoint cp = new CentroidPoint(this.crs);
cp.add(((CurveBoundaryImpl)this).getStartPoint());
cp.add(((CurveBoundaryImpl)this).getEndPoint());
return cp.getCentroid();
} else
// Curve: the average of the weighted line segments
// MultiCurve: the average of the weighted line segments of all contained curves
// Ring: the average of the weighted line segments of the contained curves
if (this instanceof CurveImpl ||
this instanceof MultiCurveImpl ||
this instanceof RingImpl) {
CentroidLine cl = new CentroidLine(this.crs);
cl.add(this);
return cl.getCentroid();
} else
// SurfaceBoundary: the average of the weighted line segments of all curves of the exterior and interior rings
if (this instanceof SurfaceBoundaryImpl) {
CentroidLine cl = new CentroidLine(this.crs);
cl.add(((SurfaceBoundaryImpl)this).getExterior());
Iterator<Ring> interiors = ((SurfaceBoundaryImpl)this).getInteriors().iterator();
while (interiors.hasNext()) {
cl.add((GeometryImpl) interiors.next());
}
return cl.getCentroid();
} else
// Surface: the average of the surface (considers holes)
// MultiSurface: the average of all contained surfaces (considers holes)
if (this instanceof SurfaceImpl ||
this instanceof MultiSurfaceImpl) {
CentroidArea2D ca = new CentroidArea2D(this.crs);
ca.add(this);
return ca.getCentroid();
}
// Missing: CompositePoint, CompositeCurve, CompositeSurface
// - MultiPrimitive
// The ISO 19107 specs state that the centroid of a colleciton of primitives
// should only take into consideration the primitives with the largest
// dimension (ie: if there are points, lines and polygons, it only considers
// the polygons).
if (this instanceof MultiPrimitiveImpl) {
// First figure out what type of primtives should be considered in this
// multiprimitive
int maxD = this.getDimension(null);
// get the centroid point of each element in this multiprimitive that matches
// the maxD dimension and return the average of the centroid points
CentroidPoint cp = new CentroidPoint(this.crs);
Set<? extends Primitive> elems = ((MultiPrimitiveImpl)this).getElements();
Iterator<? extends Primitive> iter = elems.iterator();
while (iter.hasNext()) {
Geometry prim = iter.next();
if (prim.getDimension(null) == maxD) {
cp.add(new PointImpl(prim.getCentroid()));
}
}
// return the average of the centroid points
return cp.getCentroid();
}
Assert.isTrue(false, "The centroid operation is not defined for this geometry object");
return null;
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getConvexHull()
*/
public Geometry getConvexHull() {
ConvexHull ch = new ConvexHull(this);
return ch.getConvexHull();
}
// ***************************************************************************
// ***************************************************************************
// ****** RELATIONAL BOOLEAN OPERATORS
// ***************************************************************************
// ***************************************************************************
/**
* Verifies a boolean relation between two geometry objects
*
* @version <A HREF="http://www.opengis.org/docs/01-101.pdf">Abstract Specification V5</A>, page 126 (Clementini Operators)
*
* @param geom1
* @param geom2
* @param intersectionPatternMatrix
*
* @return TRUE if the Intersection Pattern Matrix describes the topological relation between the two input geomtries correctly, FALSE if not.
* @throws UnsupportedDimensionException
*/
public static boolean cRelate(Geometry g1, Geometry g2, String intersectionPatternMatrix) throws UnsupportedDimensionException {
GeometryImpl geom1 = GeometryImpl.castToGeometryImpl(g1);
GeometryImpl geom2 = GeometryImpl.castToGeometryImpl(g2);
IntersectionMatrix tIM = RelateOp.relate((GeometryImpl) geom1, (GeometryImpl) geom2);
return tIM.matches(intersectionPatternMatrix);
}
/**
* Verifies a boolean relation between two geometry objects
*
* @version <A HREF="http://www.opengis.org/docs/01-101.pdf">Abstract Specification V5</A>, page 126 (Clementini Operators)
*
* @param aOther
* @param intersectionPatternMatrix
*
* @return TRUE if the Intersection Pattern Matrix describes the topological relation between the two input geomtries correctly, FALSE if not.
* @throws UnsupportedDimensionException
*/
public boolean relate(Geometry aOther, String intersectionPatternMatrix)
throws UnsupportedDimensionException {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(aOther);
IntersectionMatrix tIM = RelateOp.relate(this, geom);
return tIM.matches(intersectionPatternMatrix);
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#contains(org.opengis.geometry.coordinate.TransfiniteSet)
*/
public boolean contains(TransfiniteSet pointSet) {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
// a.Contains(b) = b.within(a)
return geom.within(this);
}
/**
* This operator tests, whether an object is spatially within this Geometry object
*
* @param pointSet Another Object
*
* @return TRUE, if the other object is spatially within this object
*/
public boolean within(TransfiniteSet pointSet) {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
// Return false, if the envelopes doesn´t intersect
if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
return false;
IntersectionMatrix tIM = null;
try {
tIM = RelateOp.relate(this, geom);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return false;
}
boolean rValue = false;
rValue = tIM.matches("T*F**F***");
// if (this instanceof PrimitiveImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Primitive / Primitive
// rValue = tIM.matches("TFF******");
// } else
// if (geom instanceof ComplexImpl) {
// // Primitive / Complex
// rValue = tIM.matches("T*F******");
// } else {
// Assert.isTrue(false);
// }
// } else
// if (this instanceof ComplexImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Complex / Primitive
// rValue = tIM.matches("T***F****");
// } else
// if (geom instanceof ComplexImpl) {
// // Complex / Complex
// rValue = tIM.matches("T*F**F***");
// } else {
// Assert.isTrue(false);
// }
// }
return rValue;
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#contains(org.opengis.geometry.coordinate.DirectPosition)
*/
public boolean contains(DirectPosition position) {
// Return false, if the point doesn´t lie in the envelope of this object
if (!((EnvelopeImpl)this.getEnvelope()).intersects(position))
return false;
GeometryImpl point = new PointImpl( position );
return point.within(this);
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#intersects(org.opengis.geometry.coordinate.TransfiniteSet)
*/
public boolean intersects(TransfiniteSet pointSet) {
// Intersects = !Disjoint
return !this.disjoint(pointSet);
}
/**
* This operator tests, whether an object is spatially disjoint with this Geometry object
*
* @param pointSet The other object
*
* @return TRUE, if the other object is disjoint with this object
*/
public boolean disjoint(TransfiniteSet pointSet) {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
// Return true, if the envelopes doesn´t intersect
if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
return true;
// String intersectionPatternMatrix = "";
// if (this instanceof PrimitiveImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Primitive / Primitive
// // Empty: I/I
// // B/I, I/B, B/B may intersect
// intersectionPatternMatrix = "F********";
// } else
// if (geom instanceof ComplexImpl) {
// // Primitive / Complex
// // Empty: I/I, I/B
// // B/I, B/B may intersect
// intersectionPatternMatrix = "FF*******";
// } else {
// Assert.isTrue(false);
// }
// } else
// if (this instanceof ComplexImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Complex / Primitive
// // Empty: I/I, B/I
// // I/B, B/B may intersect
// intersectionPatternMatrix = "F**F*****";
// } else
// if (geom instanceof ComplexImpl) {
// // Complex / Complex
// // Empty: I/I, B/I, I/B, B/B
// intersectionPatternMatrix = "FF*FF****";
// } else {
// Assert.isTrue(false);
// }
// }
String intersectionPatternMatrix = "FF*FF****";
try {
IntersectionMatrix tIM = RelateOp.relate(this, geom);
boolean rValue = tIM.matches(intersectionPatternMatrix);
return rValue;
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return false;
}
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#equals(org.opengis.geometry.coordinate.TransfiniteSet)
*/
public boolean equals(TransfiniteSet pointSet) {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
// Return false, if the envelopes doesn´t intersect
if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
return false;
IntersectionMatrix tIM = null;
try {
tIM = RelateOp.relate(this, geom);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return false;
}
boolean rValue = false;
// No distinction between primitive and complex (explanation see thesis)
rValue = tIM.matches("T*F**FFF*");
// if (this instanceof PrimitiveImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Primitive / Primitive
// rValue = tIM.matches("T*F**FFF*");
// } else
// if (geom instanceof ComplexImpl) {
// // Primitive / Complex
// //rValue = tIM.matches("TTFF*TFF*");
// rValue = tIM.matches("T*F**FFF*");
// } else {
// Assert.isTrue(false);
// }
// } else
// if (this instanceof ComplexImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Complex / Primitive
// //rValue = tIM.matches("TFFT*FFT*");
// rValue = tIM.matches("T*F**FFF*");
// } else
// if (geom instanceof ComplexImpl) {
// // Complex / Complex
// rValue = tIM.matches("T*F**FFF*");
// } else {
// Assert.isTrue(false);
// }
// }
return rValue;
}
/**
* This operator tests, whether an object touches this object in an edge or point
*
* @param pointSet The other object
*
* @return TRUE, if the other object touches this object
*/
public boolean touches(TransfiniteSet pointSet) {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
// Return false, if the envelopes doesn´t intersect
if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
return false;
IntersectionMatrix tIM = null;
try {
tIM = RelateOp.relate(this, geom);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return false;
}
boolean rValue = false;
rValue = tIM.matches("F***T****")
|| tIM.matches("FT*******")
|| tIM.matches("F**T*****");
// if (this instanceof PrimitiveImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Primitive / Primitive
// rValue = tIM.matches("FT*******")
// || tIM.matches("F**T*****");
// } else
// if (geom instanceof ComplexImpl) {
// // Primitive / Complex
// rValue = tIM.matches("F***T****")
// || tIM.matches("FT*******")
// || tIM.matches("F**T*****");
// } else {
// Assert.isTrue(false);
// }
// } else
// if (this instanceof ComplexImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Complex / Primitive
// rValue = tIM.matches("F***T****")
// || tIM.matches("FT*******")
// || tIM.matches("F**T*****");
// } else
// if (geom instanceof ComplexImpl) {
// // Complex / Complex
// rValue = tIM.matches("F***T****")
// || tIM.matches("FT*******")
// || tIM.matches("F**T*****");
// } else {
// Assert.isTrue(false);
// }
// }
return rValue;
}
/**
* This operator tests, whether an object overlaps with this object.
* That is that a part of the object lies within this object and another part lies without this object,
* e.g. the other object intersects with the interior, boundary and exterior of this object
*
* @param pointSet The other object
*
* @return TRUE, if the other object overlaps with this object
*/
public boolean overlaps(TransfiniteSet pointSet) {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
int d1 = geom.getDimension(null);
int d2 = this.getDimension(null);
// Overlaps only for Point/Point, Curve/Curve, Surface/Surface
if (d1 != d2) {
return false;
}
// Return false, if the envelopes doesn´t intersect
if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
return false;
IntersectionMatrix tIM = null;
try {
tIM = RelateOp.relate(this, geom);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return false;
}
boolean rValue = false;
if (d1 == 1)
rValue = tIM.matches("1*T***T**");
else
rValue = tIM.matches("T*T***T**");
// if (this instanceof PrimitiveImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Primitive / Primitive
// if (geom.getDimension(null) == 1)
// rValue = tIM.matches("1*T***T**");
// else
// rValue = tIM.matches("T*T***T**");
// } else
// if (geom instanceof ComplexImpl) {
// // Primitive / Complex
// if (geom.getDimension(null) == 1)
// rValue = tIM.matches("1*T***T**");
// else
// rValue = tIM.matches("T*T***T**");
// } else {
// Assert.isTrue(false);
// }
// } else
// if (this instanceof ComplexImpl) {
// if (geom instanceof PrimitiveImpl) {
// // Complex / Primitive
// if (geom.getDimension(null) == 1)
// rValue = tIM.matches("1*T***T**");
// else
// rValue = tIM.matches("T*T***T**");
// } else
// if (geom instanceof ComplexImpl) {
// // Complex / Complex
// if (geom.getDimension(null) == 1)
// rValue = tIM.matches("1*T***T**");
// else
// rValue = tIM.matches("T*T***T**");
// } else {
// Assert.isTrue(false);
// }
// }
return rValue;
}
public boolean crosses(TransfiniteSet pointSet) {
GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
int d1 = geom.getDimension(null);
int d2 = this.getDimension(null);
// Crosses only for Point/Curve, Curve/Curve, Point/Surface, Curve/Surface
if ((d1 == 2 && d2 == 2) || (d1 == 0) && (d2 == 0)) {
return false;
}
// Return false, if the envelopes doesn´t intersect
if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
return false;
IntersectionMatrix tIM = null;
try {
tIM = RelateOp.relate(this, geom);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return false;
}
// No distinction between primitive and complex (explanation see thesis)
boolean rValue = false;
if (d1 == 1 && d2 == 1)
rValue = tIM.matches("0********");
else
rValue = tIM.matches("T*T******");
return rValue;
}
// public boolean covers(TransfiniteSet pointSet) {
// // TO-DO test
// // TO-DO documentation
// GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
//
// // Return false, if the envelopes doesn´t intersect
// if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
// return false;
//
// try {
// IntersectionMatrix tIM = RelateOp.relate(this, geom);
// return tIM.isCovers();
// } catch (UnsupportedDimensionException e) {
// e.printStackTrace();
// return false;
// }
// }
// public boolean coveredBy(TransfiniteSet pointSet) {
// // TO-DO test
// // TO-DO documentation
// GeometryImpl geom = GeometryImpl.castToGeometryImpl(pointSet);
//
// // Return false, if the envelopes doesn´t intersect
// if (!((EnvelopeImpl)this.getEnvelope()).intersects(geom.getEnvelope()))
// return false;
//
// try {
// IntersectionMatrix tIM = RelateOp.relate(geom, this);
// return tIM.isCovers();
// } catch (UnsupportedDimensionException e) {
// e.printStackTrace();
// return false;
// }
// }
// ***************************************************************************
// ***************************************************************************
// ****** SET OPERATIONS
// ***************************************************************************
// ***************************************************************************
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#union(org.opengis.geometry.coordinate.TransfiniteSet)
*/
public TransfiniteSet union(TransfiniteSet pointSet) {
GeometryImpl otherGeom = GeometryImpl.castToGeometryImpl(pointSet);
// Return the result geometry of the Union operation between the input
// geometries
try {
return OverlayOp.overlayOp(this, otherGeom, OverlayOp.UNION);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return null;
}
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#intersection(org.opengis.geometry.coordinate.TransfiniteSet)
*/
public TransfiniteSet intersection(TransfiniteSet pointSet) {
// Return the result geometry of the Intersection operation between the
// input geometries
GeometryImpl otherGeom = GeometryImpl.castToGeometryImpl(pointSet);
try {
return OverlayOp.overlayOp(this, otherGeom, OverlayOp.INTERSECTION);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return null;
}
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#difference(org.opengis.geometry.coordinate.TransfiniteSet)
*/
public TransfiniteSet difference(TransfiniteSet pointSet) {
// Return the result geometry of the Difference operation between the
// input geometries
GeometryImpl otherGeom = GeometryImpl.castToGeometryImpl(pointSet);
try {
return OverlayOp.overlayOp(this, otherGeom, OverlayOp.DIFFERENCE);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return null;
}
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.TransfiniteSet#symmetricDifference(org.opengis.geometry.coordinate.TransfiniteSet)
*/
public TransfiniteSet symmetricDifference(TransfiniteSet pointSet) {
// Return the result geometry of the Symmetric Difference operation
// between the input geometries
GeometryImpl otherGeom = GeometryImpl.castToGeometryImpl(pointSet);
try {
return OverlayOp
.overlayOp(this, otherGeom, OverlayOp.SYMDIFFERENCE);
} catch (UnsupportedDimensionException e) {
e.printStackTrace();
return null;
}
}
/*
* (non-Javadoc)
*
* @see org.opengis.geometry.coordinate.root.Geometry#getClosure()
*/
public Complex getClosure() {
if (this instanceof ComplexImpl) {
// Return this Complex instance, because complexes already contain their boundary
// CompositePoint, CompositeCurve, CompositeSurface, Ring, CurveBoundary, SurfaceBoundary
return (Complex) this;
} else
if (this instanceof CurveImpl) {
List<OrientableCurve> cl = new ArrayList<OrientableCurve>();
cl.add((OrientableCurve) this);
return new CompositeCurveImpl(cl);
} else
if (this instanceof SurfaceImpl) {
List<OrientableSurface> cs = new ArrayList<OrientableSurface>();
cs.add( (OrientableSurface) this);
return new CompositeSurfaceImpl(cs);
} else
if (this instanceof MultiPrimitiveImpl) {
// TODO
return null;
} else
Assert.isTrue(false, "The closure operation is not implemented for this geometry object");
return null;
}
/* (non-Javadoc)
* @see org.opengis.geometry.coordinate.#isCycle()
*/
public boolean isCycle() {
// The object is a cycle, if the boundary is empty: isCycle() = boundary().isEmpty()
return (this.getBoundary() == null);
}
/**
* Use this function to cast Geometry instances to a GeometryImpl instance.
* In that way we can control the illegal injection of other instances at a central point.
*
* @param g Geometry instance
* @return Instance of Geometry Impl
*/
protected static GeometryImpl castToGeometryImpl(Geometry g) {
if (g instanceof GeometryImpl) {
return (GeometryImpl)g;
} else {
throw new IllegalArgumentException("Illegal Geometry instance.");
}
}
/**
* Use this function to cast TransfiniteSet instances to a GeometryImpl instance.
* In that way we can control the illegal injection of other instances at a central point.
*
* @param tf
* @return
*/
protected static GeometryImpl castToGeometryImpl(TransfiniteSet tf) {
if (tf instanceof GeometryImpl) {
return (GeometryImpl)tf;
} else {
throw new IllegalArgumentException("TransfiniteSet instance not supported.");
}
}
protected PositionFactory getPositionFactory() {
if( positionFactory == null ){
// we must of been transfered over a wire?
positionFactory = new PositionFactoryImpl(crs, percision );
}
return positionFactory;
}
}