1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.geometry.core.partitioning; 18 19 import org.apache.commons.geometry.core.Point; 20 import org.apache.commons.geometry.core.Transform; 21 22 /** Extension of the {@link HyperplaneSubset} interface with the additional restriction 23 * that instances represent convex regions of space. 24 * @param <P> Point implementation type 25 */ 26 public interface HyperplaneConvexSubset<P extends Point<P>> extends HyperplaneSubset<P> { 27 28 /** Reverse the orientation of the hyperplane for this instance, returning the result as 29 * a new instance. The returned subset contains the same points but has a reversed orientation. 30 * @return a hyperplane convex subset representing the same region but with the 31 * opposite orientation. 32 */ 33 HyperplaneConvexSubset<P> reverse(); 34 35 /** {@inheritDoc} 36 * 37 * <p>The parts resulting from a split operation with a convex subset 38 * are guaranteed to also be convex.</p> 39 */ 40 @Override 41 Split<? extends HyperplaneConvexSubset<P>> split(Hyperplane<P> splitter); 42 43 /** {@inheritDoc} 44 * 45 * <p>Hyperplane convex subsets subjected to affine transformations remain 46 * convex.</p> 47 */ 48 @Override 49 HyperplaneConvexSubset<P> transform(Transform<P> transform); 50 }