Package chunmap.model.geom

Source Code of chunmap.model.geom.LinearRingTest

/**
* Copyright (c) 2009-2011, chunquedong(YangJiandong)
*
* This file is part of ChunMap project
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE(Version >=3)
*
* History:
*     2010-05-05  Jed Young  Creation
*/
package chunmap.model.geom;

import static org.junit.Assert.*;

import org.junit.Test;

import chunmap.model.coord.Coordinate2D;
import chunmap.model.coord.CPoint;

/**
* @author chunquedong
*
*/
public class LinearRingTest {

  /**
   * {@link chunmap.model.geom.Ring#containIn(chunmap.model.geom.CPoint)}
   * 的测试方法。
   */
  @Test
  public void testContain() {
    WktReader wkt = new WktReader();
    Geometry g = wkt.read("LINESTRING(1 2,3 1,4 0,3 -2,0 0,1 2)");
    Ring lr = ((LineString) g).toLinearRing();
    CPoint p1 = new Coordinate2D(1, 0);
    CPoint p2 = new Coordinate2D(1, 2);
    CPoint p3 = new Coordinate2D(2, 3);
    CPoint p4 = new Coordinate2D(0.5, 1);

    assertTrue(lr.containIn(p1));
    assertTrue(lr.containIn(p2));
    assertTrue(!lr.containIn(p3));
    assertTrue(lr.containIn(p4));

  }

  @Test
  public void testContainLineStringIn() {
    WktReader wkt = new WktReader();
    Geometry g = wkt.read("LINESTRING(1 2,3 1,4 0,3 -2,0 0,1 2)");
    Ring lr = ((LineString) g).toLinearRing();

    Geometry g2 = wkt.read("LINESTRING(3 1,1 2,0 0)");
    LineString l2 = (LineString) g2;
    assertTrue(lr.containLineStringIn(l2));
    assertTrue(lr.clockwise());

  }
}
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