Package chunmap.model.coord

Examples of chunmap.model.coord.CPoint

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  }

  @Test
  public void testIsSimple2() {
    List<CPoint> points = new ArrayList<CPoint>();
    CPoint p1 = new Coordinate2D(10, 20);
    CPoint p2 = new Coordinate2D(20, 40);
    CPoint p3 = new Coordinate2D(30, 60);
    CPoint p5 = new Coordinate2D(50, 100);
    points.add(p1);
    points.add(p3);
    points.add(p5);
    points.add(p2);
    LineString ls = new LineString(points);
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  }

  @Test
  public void testIsSimple3() {
    List<CPoint> points = new ArrayList<CPoint>();
    CPoint p1 = new Coordinate2D(10, 20);
    CPoint p3 = new Coordinate2D(30, 60);
    CPoint p5 = new Coordinate2D(50, 100);
    points.add(p1);
    points.add(p3);
    points.add(p5);
    points.add(p1);
    LineString ls = new LineString(points);
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  }

  @Test
  public void testIsSimple4() {
    List<CPoint> points = new ArrayList<CPoint>();
    CPoint p1 = new Coordinate2D(1, 1);
    CPoint p2 = new Coordinate2D(1, 2);
    CPoint p3 = new Coordinate2D(3, 2);
    CPoint p4 = new Coordinate2D(4, 0);
    points.add(p3);
    points.add(p1);
    points.add(p2);
    points.add(p3);
    points.add(p4);
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   * {@link chunmap.model.elem.Line#getX(double)} 的测试方法。
   */
  @Test
  public void testGetX() {
    // y=4x+1;
    CPoint p1 = new Coordinate2D(1, 5);
    CPoint p2 = new Coordinate2D(-1, -3);
    Line l1 = new Line(p1, p2);
    double x1 = l1.getX(9);
    assertTrue(MyDouble.approximateEquals(x1, 2));
  }
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   * 测试水平线
   */
  @Test
  public void testCritical() {
    // y=5;
    CPoint p1 = new Coordinate2D(1, 5);
    CPoint p2 = new Coordinate2D(-1, 5);
    Line l1 = new Line(p1, p2);
    double x1 = l1.getX(9);
    String s = x1 + "";
    assertTrue(s.equals("NaN"));

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   * 测试垂直线
   */
  @Test
  public void testCritical2() {
    // x=1
    CPoint p1 = new Coordinate2D(1, 5);
    CPoint p2 = new Coordinate2D(1, 0.5);
    Line l1 = new Line(p1, p2);
    double x1 = l1.getX(9);
    assertTrue(MyDouble.approximateEquals(x1, 1));

    double y1 = l1.getY(10);
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  }

  @Test
  public void testCritical3() {
    // x=1
    CPoint p1 = new Coordinate2D(1, 5);
    Line l1 = new Line(p1, Double.NEGATIVE_INFINITY);
    double x1 = l1.getX(9);
    assertTrue(MyDouble.approximateEquals(x1, 1));

    double y1 = l1.getY(10);
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   * 的测试方法。
   */
  @Test
  public void testCrossCoordinate2D() {
    // y=4x+1;
    CPoint p1 = new Coordinate2D(1, 5);
    CPoint p2 = new Coordinate2D(-1, -3);
    Line l1 = new Line(p1, p2);

    // y=x-1;
    Line l2 = new Line(1, -1);
    CPoint p = new Coordinate2D(-2d / 3d, (-2d / 3d) - 1);
    assertTrue(p.equals(l1.crossPoint(l2)));
    assertTrue(p.equals(l2.crossPoint(l1)));
  }
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  }

  @Test
  public void testCriticalCrossCoordinate2D() {
    // y=4x+1;
    CPoint p1 = new Coordinate2D(1, 5);
    CPoint p2 = new Coordinate2D(1, 3);
    Line l1 = new Line(p1, p2);

    // y=x-1;
    Line l2 = new Line(1, -1);
    CPoint p = new Coordinate2D(1, 0);
    assertTrue(p.equals(l1.crossPoint(l2)));
    assertTrue(p.equals(l2.crossPoint(l1)));
  }
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  @Test
  public void testDistance() {
    // y=x+1;
    Line l = new Line(1, 1);
    CPoint p = new Coordinate2D(0, 0);
    double d = l.distance(p);
    assertTrue(MyDouble.approximateEquals(Math.sqrt(2) / 2d, d));
  }
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Related Classes of chunmap.model.coord.CPoint

  • chunmap.data.index.QuartNode
  • chunmap.example.buffer.SimpleBufferTest
  • chunmap.model.algorithm.EnvelopeAlgorithm
  • chunmap.model.algorithm.LineAlgorithm
  • chunmap.model.algorithm.LinearReference
  • chunmap.model.algorithm.LineSegmentAlgorithm
  • chunmap.model.algorithm.MonotonyChain
  • chunmap.model.algorithm.RingAlgorithm
  • chunmap.model.coord.CompactedCoordinateArrayTest
  • chunmap.model.elem.AngleTest
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