Examples with Point com.forstudy.efjava.ch03.item10.Point used on opensource projects

Example 26 with Point

use of com.forstudy.efjava.ch03.item10.Point in project imagej-ops by imagej.

the class NonCirculantNormalizationFactor method createNormalizationImageSemiNonCirculant.

protected void createNormalizationImageSemiNonCirculant(Interval fastFFTInterval) {
    // k is the window size (valid image region)
    final int length = k.numDimensions();
    final long[] n = new long[length];
    final long[] nFFT = new long[length];
    // also referred to as object space size
    for (int d = 0; d < length; d++) {
        n[d] = k.dimension(d) + l.dimension(d) - 1;
    }
    // to a fast FFT size
    for (int d = 0; d < length; d++) {
        nFFT[d] = fastFFTInterval.dimension(d);
    }
    FinalDimensions fd = new FinalDimensions(nFFT);
    // create the normalization image
    normalization = create.calculate(fd);
    // size of the measurement window
    final Point size = new Point(length);
    final long[] sizel = new long[length];
    for (int d = 0; d < length; d++) {
        size.setPosition(k.dimension(d), d);
        sizel[d] = k.dimension(d);
    }
    // starting point of the measurement window when it is centered in fft space
    final Point start = new Point(length);
    final long[] startl = new long[length];
    final long[] endl = new long[length];
    for (int d = 0; d < length; d++) {
        start.setPosition((nFFT[d] - k.dimension(d)) / 2, d);
        startl[d] = (nFFT[d] - k.dimension(d)) / 2;
        endl[d] = startl[d] + sizel[d] - 1;
    }
    // size of the object space
    final Point maskSize = new Point(length);
    final long[] maskSizel = new long[length];
    for (int d = 0; d < length; d++) {
        maskSize.setPosition(Math.min(n[d], nFFT[d]), d);
        maskSizel[d] = Math.min(n[d], nFFT[d]);
    }
    // starting point of the object space within the fft space
    final Point maskStart = new Point(length);
    final long[] maskStartl = new long[length];
    for (int d = 0; d < length; d++) {
        maskStart.setPosition((Math.max(0, nFFT[d] - n[d]) / 2), d);
        maskStartl[d] = (Math.max(0, nFFT[d] - n[d]) / 2);
    }
    final RandomAccessibleInterval<O> temp = Views.interval(normalization, new FinalInterval(startl, endl));
    final Cursor<O> normCursor = Views.iterable(temp).cursor();
    // draw a cube the size of the measurement space
    while (normCursor.hasNext()) {
        normCursor.fwd();
        normCursor.get().setReal(1.0);
    }
    final Img<O> tempImg = create.calculate(fd);
    // 3. correlate psf with the output of step 2.
    correlater.compute(normalization, tempImg);
    normalization = tempImg;
    final Cursor<O> cursorN = normalization.cursor();
    while (cursorN.hasNext()) {
        cursorN.fwd();
        if (cursorN.get().getRealFloat() <= 1e-3f) {
            cursorN.get().setReal(1.0f);
        }
    }
}

Example 27 with Point

use of com.forstudy.efjava.ch03.item10.Point in project imagej-ops by imagej.

the class ConvolveTest method placeSphereInCenter.

// utility to place a small sphere at the center of the image
private void placeSphereInCenter(Img<FloatType> img) {
    final Point center = new Point(img.numDimensions());
    for (int d = 0; d < img.numDimensions(); d++) center.setPosition(img.dimension(d) / 2, d);
    HyperSphere<FloatType> hyperSphere = new HyperSphere<>(img, center, 2);
    for (final FloatType value : hyperSphere) {
        value.setReal(1);
    }
}

Example 28 with Point

use of com.forstudy.efjava.ch03.item10.Point in project ddf by codice.

the class KmlToJtsPointConverterTest method setupClass.

@BeforeClass
public static void setupClass() {
    InputStream stream = KmlToJtsPointConverterTest.class.getResourceAsStream("/kmlPoint.kml");
    Kml kml = Kml.unmarshal(stream);
    testKmlPoint = ((Point) ((Placemark) kml.getFeature()).getGeometry());
}

Example 29 with Point

use of com.forstudy.efjava.ch03.item10.Point in project ddf by codice.

the class MetacardToKmlTest method getKmlPointGeoFromWkt.

@Test
public void getKmlPointGeoFromWkt() throws CatalogTransformerException {
    final Point kmlGeoFromWkt = (Point) MetacardToKml.getKmlGeoFromWkt("POINT (2 3)");
    final List<Coordinate> coordinates = kmlGeoFromWkt.getCoordinates();
    assertThat(coordinates, hasSize(1));
    assertThat(coordinates.get(0).getLatitude(), is(3.0));
    assertThat(coordinates.get(0).getLongitude(), is(2.0));
}

Example 30 with Point

use of com.forstudy.efjava.ch03.item10.Point in project ddf by codice.

the class MetacardToKmlTest method getKmlGeoFromJtsGeo.

@Test
public void getKmlGeoFromJtsGeo() throws CatalogTransformerException {
    final org.locationtech.jts.geom.Geometry jtsGeo = new GeometryFactory().createPoint(new org.locationtech.jts.geom.Coordinate(1.0, 2.0));
    final Geometry kmlGeo = MetacardToKml.getKmlGeoFromJtsGeo(jtsGeo);
    assertTrue(kmlGeo instanceof Point);
    final Point kmlPoint = (Point) kmlGeo;
    assertThat(kmlPoint.getCoordinates(), hasSize(1));
    assertThat(kmlPoint.getCoordinates().get(0).getLongitude(), is(1.0));
    assertThat(kmlPoint.getCoordinates().get(0).getLatitude(), is(2.0));
}