Exemple #1
0
  // type 'java Parallel' to run this application
  public static void main(String args[]) throws VisADException, RemoteException, IOException {

    RealType index = RealType.getRealType("index");
    RealType[] coords = new RealType[NCOORDS];
    for (int i = 0; i < NCOORDS; i++) {
      coords[i] = RealType.getRealType("coord" + i);
    }
    RealTupleType range = new RealTupleType(coords);
    FunctionType ftype = new FunctionType(index, range);
    Integer1DSet index_set = new Integer1DSet(NROWS);

    float[][] samples = new float[NCOORDS][NROWS];
    for (int i = 0; i < NCOORDS; i++) {
      for (int j = 0; j < NROWS; j++) {
        samples[i][j] = (float) Math.random();
      }
    }

    FlatField data = new FlatField(ftype, index_set);
    data.setSamples(samples, false);

    // create a 2-D Display using Java3D
    DisplayImpl display = new DisplayImplJ3D("display", new TwoDDisplayRendererJ3D());

    parallel(display, data);

    // create JFrame (i.e., a window) for display and slider
    JFrame frame = new JFrame("Parallel Coordinates VisAD Application");
    frame.addWindowListener(
        new WindowAdapter() {
          public void windowClosing(WindowEvent e) {
            System.exit(0);
          }
        });

    // create JPanel in JFrame
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.setAlignmentY(JPanel.TOP_ALIGNMENT);
    panel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
    frame.getContentPane().add(panel);

    // add display to JPanel
    panel.add(display.getComponent());

    // set size of JFrame and make it visible
    frame.setSize(500, 500);
    frame.setVisible(true);
  }
Exemple #2
0
  /**
   * run 'java FlowTest middle_latitude' to test with (lat, lon) run 'java FlowTest middle_latitude
   * x' to test with (lon, lat) adjust middle_latitude for south or north
   */
  public static void main(String args[]) throws VisADException, RemoteException {
    double mid_lat = -10.0;
    if (args.length > 0) {
      try {
        mid_lat = Double.valueOf(args[0]).doubleValue();
      } catch (NumberFormatException e) {
      }
    }
    boolean swap = (args.length > 1);
    RealType lat = RealType.Latitude;
    RealType lon = RealType.Longitude;
    RealType[] types;
    if (swap) {
      types = new RealType[] {lon, lat};
    } else {
      types = new RealType[] {lat, lon};
    }
    RealTupleType earth_location = new RealTupleType(types);
    System.out.println("earth_location = " + earth_location + " mid_lat = " + mid_lat);

    RealType flowx = RealType.getRealType("flowx", CommonUnit.meterPerSecond);
    RealType flowy = RealType.getRealType("flowy", CommonUnit.meterPerSecond);
    RealType red = RealType.getRealType("red");
    RealType green = RealType.getRealType("green");
    EarthVectorType flowxy = new EarthVectorType(flowx, flowy);
    TupleType range = null;

    range = new TupleType(new MathType[] {flowxy, red, green});
    FunctionType flow_field = new FunctionType(earth_location, range);

    DisplayImpl display = new DisplayImplJ3D("display1", new TwoDDisplayRendererJ3D());
    ScalarMap xmap = new ScalarMap(lon, Display.XAxis);
    display.addMap(xmap);
    ScalarMap ymap = new ScalarMap(lat, Display.YAxis);
    display.addMap(ymap);
    ScalarMap flowx_map = new ScalarMap(flowx, Display.Flow1X);
    display.addMap(flowx_map);
    flowx_map.setRange(-10.0, 10.0);
    ScalarMap flowy_map = new ScalarMap(flowy, Display.Flow1Y);
    display.addMap(flowy_map);
    flowy_map.setRange(-10.0, 10.0);
    FlowControl flow_control = (FlowControl) flowy_map.getControl();
    flow_control.setFlowScale(0.05f);
    display.addMap(new ScalarMap(red, Display.Red));
    display.addMap(new ScalarMap(green, Display.Green));
    display.addMap(new ConstantMap(1.0, Display.Blue));

    double lonlow = -10.0;
    double lonhi = 10.0;
    double latlow = mid_lat - 10.0;
    double lathi = mid_lat + 10.0;
    Linear2DSet set;
    if (swap) {
      set = new Linear2DSet(earth_location, lonlow, lonhi, N, latlow, lathi, N);
    } else {
      set = new Linear2DSet(earth_location, latlow, lathi, N, lonlow, lonhi, N);
    }
    double[][] values = new double[4][N * N];
    int m = 0;
    for (int i = 0; i < N; i++) {
      for (int j = 0; j < N; j++) {
        int k = i;
        int l = j;
        if (swap) {
          k = j;
          l = i;
        }
        double u = (N - 1.0) / 2.0 - l;
        double v = k - (N - 1.0) / 2.0;
        // double u = 2.0 * k / (N - 1.0) - 1.0;
        // double v = 2.0 * l / (N - 1.0);
        double fx = 6.0 * u;
        double fy = 6.0 * v;
        values[0][m] = fx;
        values[1][m] = fy;
        values[2][m] = u;
        values[3][m] = v;
        m++;
      }
    }
    FlatField field = new FlatField(flow_field, set);
    field.setSamples(values);
    DataReferenceImpl ref = new DataReferenceImpl("ref");
    ref.setData(field);
    display.addReference(ref);

    // create JFrame (i.e., a window) for display and slider
    JFrame frame = new JFrame("test FlowTest");
    frame.addWindowListener(
        new WindowAdapter() {
          public void windowClosing(WindowEvent e) {
            System.exit(0);
          }
        });

    // create JPanel in JFrame
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.setAlignmentY(JPanel.TOP_ALIGNMENT);
    panel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
    frame.getContentPane().add(panel);

    // add display to JPanel
    panel.add(display.getComponent());

    // set size of JFrame and make it visible
    frame.setSize(500, 500);
    frame.setVisible(true);
  }