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Java example source code file (SegmentTest.java)
The SegmentTest.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.euclidean.twod; import org.apache.commons.math3.geometry.euclidean.twod.Line; import org.apache.commons.math3.geometry.euclidean.twod.Vector2D; import org.apache.commons.math3.util.FastMath; import org.junit.Assert; import org.junit.Test; public class SegmentTest { @Test public void testDistance() { Vector2D start = new Vector2D(2, 2); Vector2D end = new Vector2D(-2, -2); Segment segment = new Segment(start, end, new Line(start, end, 1.0e-10)); // distance to center of segment Assert.assertEquals(FastMath.sqrt(2), segment.distance(new Vector2D(1, -1)), 1.0e-10); // distance a point on segment Assert.assertEquals(FastMath.sin(Math.PI / 4.0), segment.distance(new Vector2D(0, -1)), 1.0e-10); // distance to end point Assert.assertEquals(FastMath.sqrt(8), segment.distance(new Vector2D(0, 4)), 1.0e-10); // distance to start point Assert.assertEquals(FastMath.sqrt(8), segment.distance(new Vector2D(0, -4)), 1.0e-10); } } Other Java examples (source code examples)Here is a short list of links related to this Java SegmentTest.java source code file: |
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