/*
* The JTS Topology Suite is a collection of Java classes that
* implement the fundamental operations required to validate a given
* geo-spatial data set to a known topological specification.
*
* Copyright (C) 2001 Vivid Solutions
*
* 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For more information, contact:
*
* Vivid Solutions
* Suite #1A
* 2328 Government Street
* Victoria BC V8T 5G5
* Canada
*
* (250)385-6040
* www.vividsolutions.com
*/
package com.vividsolutions.jts.geom;
/**
* Models a collection of {@link Point}s.
* <p>
* Any collection of Points is a valid MultiPoint.
*
*@version 1.7
*/
public class MultiPoint
extends GeometryCollection
implements Puntal
{
private static final long serialVersionUID = -8048474874175355449L;
/**
* Constructs a <code>MultiPoint</code>.
*
*@param points the <code>Point</code>s for this <code>MultiPoint</code>
* , or <code>null</code> or an empty array to create the empty geometry.
* Elements may be empty <code>Point</code>s, but not <code>null</code>s.
*@param precisionModel the specification of the grid of allowable points
* for this <code>MultiPoint</code>
*@param SRID the ID of the Spatial Reference System used by this
* <code>MultiPoint</code>
* @deprecated Use GeometryFactory instead
*/
public MultiPoint(Point[] points, PrecisionModel precisionModel, int SRID) {
super(points, new GeometryFactory(precisionModel, SRID));
}
/**
*@param points the <code>Point</code>s for this <code>MultiPoint</code>
* , or <code>null</code> or an empty array to create the empty geometry.
* Elements may be empty <code>Point</code>s, but not <code>null</code>s.
*/
public MultiPoint(Point[] points, GeometryFactory factory) {
super(points, factory);
}
public int getDimension() {
return 0;
}
public int getBoundaryDimension() {
return Dimension.FALSE;
}
public String getGeometryType() {
return "MultiPoint";
}
/**
* Gets the boundary of this geometry.
* Zero-dimensional geometries have no boundary by definition,
* so an empty GeometryCollection is returned.
*
* @return an empty GeometryCollection
* @see Geometry#getBoundary
*/
public Geometry getBoundary() {
return getFactory().createGeometryCollection(null);
}
public boolean isValid() {
return true;
}
public boolean equalsExact(Geometry other, double tolerance) {
if (!isEquivalentClass(other)) {
return false;
}
return super.equalsExact(other, tolerance);
}
/**
* Returns the <code>Coordinate</code> at the given position.
*
*@param n the index of the <code>Coordinate</code> to retrieve, beginning
* at 0
*@return the <code>n</code>th <code>Coordinate</code>
*/
protected Coordinate getCoordinate(int n) {
return ((Point) geometries[n]).getCoordinate();
}
}