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Java example source code file (BoundaryProjection.java)

This example Java source code file (BoundaryProjection.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

boundaryprojection, point, space

The BoundaryProjection.java Java example source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.math3.geometry.partitioning;

import org.apache.commons.math3.geometry.Point;
import org.apache.commons.math3.geometry.Space;

/** Class holding the result of point projection on region boundary.
 * <p>This class is a simple placeholder, it does not provide any
 * processing methods.</p>
 * <p>Instances of this class are guaranteed to be immutable

* @param <S> Type of the space. * @since 3.3 * @see AbstractRegion#projectToBoundary(Point) */ public class BoundaryProjection<S extends Space> { /** Original point. */ private final Point<S> original; /** Projected point. */ private final Point<S> projected; /** Offset of the point with respect to the boundary it is projected on. */ private final double offset; /** Constructor from raw elements. * @param original original point * @param projected projected point * @param offset offset of the point with respect to the boundary it is projected on */ public BoundaryProjection(final Point<S> original, final Point projected, final double offset) { this.original = original; this.projected = projected; this.offset = offset; } /** Get the original point. * @return original point */ public Point<S> getOriginal() { return original; } /** Projected point. * @return projected point, or null if there are no boundary */ public Point<S> getProjected() { return projected; } /** Offset of the point with respect to the boundary it is projected on. * <p> * The offset with respect to the boundary is negative if the {@link * #getOriginal() original point} is inside the region, and positive otherwise. * </p> * <p> * If there are no boundary, the value is set to either {@code * Double.POSITIVE_INFINITY} if the region is empty (i.e. all points are * outside of the region) or {@code Double.NEGATIVE_INFINITY} if the region * covers the whole space (i.e. all points are inside of the region). * </p> * @return offset of the point with respect to the boundary it is projected on */ public double getOffset() { return offset; } }

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