Exemple #1
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  // Note this is a bit of a integration test not a strict unit test
  @Test
  public void testFillingAMoreComplicatedBoundingRectangle() throws Exception {
    double xStart = 0.0;
    double xStop = 25.5;
    double yStart = 0.0;
    double yStop = 33.33;

    double xStep = 0.4;
    double yStep = 0.6;

    RectangularROI roi = new RectangularROI();
    roi.setPoint(Math.min(xStart, xStop), Math.min(yStart, yStop));
    roi.setLengths(Math.abs(xStop - xStart), Math.abs(yStop - yStart));

    RasterModel model = new RasterModel();
    model.setxStep(xStep);
    model.setyStep(yStep);

    // Get the point list
    IPointGenerator<RasterModel, Point> gen = service.createGenerator(model, roi);
    List<Point> pointList = gen.createPoints();

    int rows = (int) (Math.floor((xStop - xStart) / xStep) + 1);
    int cols = (int) (Math.floor((yStop - yStart) / yStep) + 1);
    // Check the list size
    assertEquals("Point list size should be correct", rows * cols, pointList.size());

    // Check some points
    assertEquals(new Point(0, xStart, 0, yStart), pointList.get(0));
    assertEquals(xStart + 3 * xStep, pointList.get(3).getX(), 1e-8);
    // TODO more

    GeneratorUtil.testGeneratorPoints(gen);
  }
Exemple #2
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  @Test
  public void testFillingBoundingRectangle() throws Exception {
    // Create a simple bounding rectangle
    RectangularROI boundingRectangle = new RectangularROI(0, 0, 3, 3, 0);

    // Create a raster scan path
    RasterModel model = new RasterModel();
    model.setxStep(1);
    model.setyStep(1);

    // Get the point list
    IPointGenerator<RasterModel, Point> gen = service.createGenerator(model, boundingRectangle);
    List<Point> pointList = gen.createPoints();

    // Check correct number of points
    assertEquals(16, pointList.size());

    // Check some random points are correct
    assertEquals(0.0, pointList.get(0).getX(), 1e-8);
    assertEquals(0.0, pointList.get(0).getY(), 1e-8);

    assertEquals(3.0, pointList.get(3).getX(), 1e-8);
    assertEquals(0.0, pointList.get(3).getY(), 1e-8);

    assertEquals(3.0, pointList.get(7).getX(), 1e-8);
    assertEquals(1.0, pointList.get(7).getY(), 1e-8);

    assertEquals(3.0, pointList.get(11).getX(), 1e-8);
    assertEquals(2.0, pointList.get(11).getY(), 1e-8);

    GeneratorUtil.testGeneratorPoints(gen);
  }
Exemple #3
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  @Test
  public void testNestedNeXus() throws Exception {

    int[] size = {8, 5};

    // Create scan points for a grid and make a generator
    RasterModel rmodel = new RasterModel();
    rmodel.setxName("xNex");
    rmodel.setxStep(3d / size[1]);
    rmodel.setyName("yNex");
    rmodel.setyStep(3d / size[0]);
    rmodel.setBoundingBox(new BoundingBox(0, 0, 3, 3));

    IPointGenerator<?, IPosition> gen = service.createGenerator(rmodel);

    IPosition first = gen.iterator().next();
    assertEquals(0d, first.get("xNex"));
    assertEquals(0d, first.get("yNex"));

    IPosition last = null;
    Iterator<IPosition> it = gen.iterator();
    while (it.hasNext()) last = it.next();

    assertEquals(3d, last.get("xNex"));
    assertEquals(3d, last.get("yNex"));
  }
Exemple #4
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  // Note this is a bit of a integration test not a strict unit test
  @Test
  public void testFillingACircle() throws Exception {
    double xCentre = 0;
    double yCentre = 0;
    double radius = 1;

    CircularROI roi = new CircularROI();
    roi.setPoint(xCentre, yCentre);
    roi.setRadius(radius);

    RasterModel model = new RasterModel();
    model.setxStep(1);
    model.setyStep(1);

    // Get the point list
    IPointGenerator<RasterModel, Point> gen = service.createGenerator(model, roi);
    List<Point> pointList = gen.createPoints();

    // Check the length of the lists are equal
    assertEquals(5, pointList.size());

    // Check the points are correct and the order is maintained
    // 0
    assertEquals(0, pointList.get(0).getX(), 1e-8);
    assertEquals(-1, pointList.get(0).getY(), 1e-8);
    // 1
    assertEquals(-1, pointList.get(1).getX(), 1e-8);
    assertEquals(0, pointList.get(1).getY(), 1e-8);
    // 2
    assertEquals(0, pointList.get(2).getX(), 1e-8);
    assertEquals(0, pointList.get(2).getY(), 1e-8);
    // 3
    assertEquals(1, pointList.get(3).getX(), 1e-8);
    assertEquals(0, pointList.get(3).getY(), 1e-8);
    // 4
    assertEquals(0, pointList.get(4).getX(), 1e-8);
    assertEquals(1, pointList.get(4).getY(), 1e-8);

    GeneratorUtil.testGeneratorPoints(gen);
  }
Exemple #5
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  @Test
  public void testFillingRectangleAwayFromOrigin() throws Exception {

    // Create a simple bounding rectangle
    RectangularROI roi = new RectangularROI(-10, 5, 2.5, 3.0, 0.0);

    // Create a raster scan path
    RasterModel model = new RasterModel();
    model.setxStep(1);
    model.setyStep(1);

    // Get the point list
    IPointGenerator<RasterModel, Point> gen = service.createGenerator(model, roi);
    List<Point> pointList = gen.createPoints();

    assertThat(pointList.size(), is(equalTo(12)));

    // Check some points
    assertThat(pointList.get(0), is(equalTo(new Point(0, -10.0, 0, 5.0))));
    assertThat(pointList.get(1), is(equalTo(new Point(1, -9.0, 0, 5.0))));
    assertThat(pointList.get(3), is(equalTo(new Point(0, -10.0, 1, 6.0))));
    assertThat(pointList.get(7), is(equalTo(new Point(1, -9.0, 2, 7.0))));
  }
Exemple #6
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  @Test
  public void testFillingRectangleWithSnake() throws Exception {

    // Create a simple bounding rectangle
    RectangularROI roi = new RectangularROI(1, 1, 2, 2, 0);

    // Create a raster scan path
    RasterModel model = new RasterModel();
    model.setxStep(1);
    model.setyStep(1);
    model.setSnake(true);

    // Get the point list
    IPointGenerator<RasterModel, Point> gen = service.createGenerator(model, roi);
    List<Point> pointList = gen.createPoints();

    assertThat(pointList.size(), is(equalTo(9)));

    // Check some points
    assertThat(pointList.get(0), is(equalTo(new Point(0, 1.0, 0, 1.0))));
    assertThat(pointList.get(1), is(equalTo(new Point(1, 2.0, 0, 1.0))));
    assertThat(pointList.get(3), is(equalTo(new Point(2, 3.0, 1, 2.0))));
    assertThat(pointList.get(7), is(equalTo(new Point(1, 2.0, 2, 3.0))));
  }