// 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);
}
@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);
}
@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"));
}
// 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);
}
@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))));
}
@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))));
}