MultiPoint.java
/*
* Copyright (c) 2016 Vivid Solutions.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v20.html
* and the Eclipse Distribution License is available at
*
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.locationtech.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 boolean hasDimension(int dim) {
return dim == 0;
}
public int getBoundaryDimension() {
return Dimension.FALSE;
}
public String getGeometryType() {
return Geometry.TYPENAME_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();
}
public MultiPoint reverse() {
return (MultiPoint) super.reverse();
}
protected MultiPoint reverseInternal() {
Point[] points = new Point[this.geometries.length];
for (int i = 0; i < points.length; i++) {
points[i] = (Point) this.geometries[i].copy();
}
return new MultiPoint(points, factory);
}
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();
}
protected MultiPoint copyInternal() {
Point[] points = new Point[this.geometries.length];
for (int i = 0; i < points.length; i++) {
points[i] = (Point) this.geometries[i].copy();
}
return new MultiPoint(points, factory);
}
protected int getTypeCode() {
return Geometry.TYPECODE_MULTIPOINT;
}
}