/* * 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.lucene.geo; import java.util.Random; import org.apache.lucene.index.PointValues; import org.apache.lucene.util.LuceneTestCase; public class TestRectangle2D extends LuceneTestCase { public void testTriangleDisjoint() { XYRectangle rectangle = new XYRectangle(0f, 1f, 0f, 1f); Component2D rectangle2D = Rectangle2D.create(rectangle); float ax = 4f; float ay = 4f; float bx = 5f; float by = 5f; float cx = 5f; float cy = 4f; assertFalse(rectangle2D.intersectsTriangle(ax, ay, bx, by , cx, cy)); assertFalse(rectangle2D.intersectsLine(ax, ay, bx, by)); assertFalse(rectangle2D.containsTriangle(ax, ay, bx, by , cx, cy)); assertFalse(rectangle2D.containsLine(ax, ay, bx, by)); assertEquals(Component2D.WithinRelation.DISJOINT, rectangle2D.withinTriangle(ax, ay, random().nextBoolean(), bx, by, random().nextBoolean(), cx, cy, random().nextBoolean())); } public void testTriangleIntersects() { XYRectangle rectangle = new XYRectangle(0f, 1f, 0f, 1f); Component2D rectangle2D = Rectangle2D.create(rectangle); float ax = 0.5f; float ay = 0.5f; float bx = 2f; float by = 2f; float cx = 0.5f; float cy = 2f; assertTrue(rectangle2D.intersectsTriangle(ax, ay, bx, by , cx, cy)); assertTrue(rectangle2D.intersectsLine(ax, ay, bx, by)); assertFalse(rectangle2D.containsTriangle(ax, ay, bx, by , cx, cy)); assertFalse(rectangle2D.containsLine(ax, ay, bx, by)); assertEquals(Component2D.WithinRelation.NOTWITHIN, rectangle2D.withinTriangle(ax, ay, true, bx, by, true, cx, cy, true)); } public void testTriangleContains() { XYRectangle rectangle = new XYRectangle(0, 1, 0, 1); Component2D rectangle2D = Rectangle2D.create(rectangle); float ax = 0.25f; float ay = 0.25f; float bx = 0.5f; float by = 0.5f; float cx = 0.5f; float cy = 0.25f; assertTrue(rectangle2D.intersectsTriangle(ax, ay, bx, by , cx, cy)); assertTrue(rectangle2D.intersectsLine(ax, ay, bx, by)); assertTrue(rectangle2D.containsTriangle(ax, ay, bx, by , cx, cy)); assertTrue(rectangle2D.containsLine(ax, ay, bx, by)); assertEquals(Component2D.WithinRelation.NOTWITHIN, rectangle2D.withinTriangle(ax, ay, true, bx, by , true, cx, cy, true)); } public void testRandomTriangles() { Random random = random(); XYRectangle rectangle = ShapeTestUtil.nextBox(random); Component2D rectangle2D = Rectangle2D.create(rectangle); for (int i =0; i < 100; i++) { float ax = ShapeTestUtil.nextFloat(random); float ay = ShapeTestUtil.nextFloat(random); float bx = ShapeTestUtil.nextFloat(random); float by = ShapeTestUtil.nextFloat(random); float cx = ShapeTestUtil.nextFloat(random); float cy = ShapeTestUtil.nextFloat(random); float tMinX = StrictMath.min(StrictMath.min(ax, bx), cx); float tMaxX = StrictMath.max(StrictMath.max(ax, bx), cx); float tMinY = StrictMath.min(StrictMath.min(ay, by), cy); float tMaxY = StrictMath.max(StrictMath.max(ay, by), cy); PointValues.Relation r = rectangle2D.relate(tMinX, tMaxX, tMinY, tMaxY); if (r == PointValues.Relation.CELL_OUTSIDE_QUERY) { assertFalse(rectangle2D.intersectsTriangle(ax, ay, bx, by, cx, cy)); assertFalse(rectangle2D.intersectsLine(ax, ay, bx, by)); assertFalse(rectangle2D.containsTriangle(ax, ay, bx, by , cx, cy)); assertFalse(rectangle2D.containsLine(ax, ay, bx, by)); assertEquals(Component2D.WithinRelation.DISJOINT, rectangle2D.withinTriangle(ax, ay, true, bx, by, true, cx, cy, true)); } else if (r == PointValues.Relation.CELL_INSIDE_QUERY) { assertTrue(rectangle2D.intersectsTriangle(ax, ay, bx, by, cx, cy)); assertTrue(rectangle2D.intersectsLine(ax, ay, bx, by)); assertTrue(rectangle2D.containsTriangle(ax, ay, bx, by , cx, cy)); assertTrue(rectangle2D.containsLine(ax, ay, bx, by)); } } } }