Пример #1
0
  private void initOriginal() throws Exception {
    int size = 500000;
    float x;
    float y;
    float z;
    float a;

    Coord3d[] points = new Coord3d[size];
    Color[] colors = new Color[size];

    Random r = new Random();
    r.setSeed(0);

    for (int i = 0; i < size; i++) {
      x = r.nextFloat() - 0.5f;
      y = r.nextFloat() - 0.5f;
      z = r.nextFloat() - 0.5f;
      points[i] = new Coord3d(x, y, z);
      a = 0.25f;
      colors[i] = new Color(x, y, z, a);
    }

    Scatter scatter = new Scatter(points, colors);
    chart = AWTChartComponentFactory.chart(Quality.Advanced, "newt");
    chart.getScene().add(scatter);
  }
Пример #2
0
  private void initSample() throws Exception {
    Coord3d[] points =
        readSample("/Users/jwjoubert/Documents/r/MATSim-SA/digicore/data/sample.csv");

    /* Get the centroid of the data set. */
    double sumX = 0.0;
    double sumY = 0.0;
    double sumZ = 0.0;
    for (Coord3d c : points) {
      sumX += c.x;
      sumY += c.y;
      sumZ += c.z;
    }
    double cX = sumX / (double) points.length;
    double cY = sumY / (double) points.length;
    double cZ = sumZ / (double) points.length;
    Coord3d centroid = new Coord3d(cX, cY, cZ);

    /* Report the mean. */
    LOG.info(String.format("Mean X: %.2f", cX));
    LOG.info(String.format("Mean Y: %.2f", cY));
    LOG.info(String.format("Mean Z: %.2f", cZ));

    /* Calculate the distance from the centroid for each point. */
    Double[] distances = new Double[points.length];
    Double[] distancesAdjusted = new Double[points.length];
    double maxD = Double.NEGATIVE_INFINITY;
    double maxDAdjusted = Double.NEGATIVE_INFINITY;
    for (int i = 0; i < points.length; i++) {
      Coord3d c = points[i];
      double d = Math.sqrt(Math.pow(cX - c.x, 2) + Math.pow(cY - c.y, 2) + Math.pow(cZ - c.z, 2));
      distances[i] = d;
      maxD = Math.max(maxD, d);

      /* Adjust distance to account for angle as well. Diagonals should be
       * penalised more. */
      double multiplier = 1e-5;
      double angleXY = Math.atan2(Math.abs(c.y - centroid.y), Math.abs(c.x - centroid.x));
      double angleXZ = Math.atan2(Math.abs(c.z - centroid.z), Math.abs(c.x - centroid.x));
      distancesAdjusted[i] =
          d
              * Math.abs(Math.sin(angleXY * 2))
              *
              //					Math.abs(  Math.sin(angleXZ*2) ) *
              multiplier;
      maxDAdjusted = Math.max(maxDAdjusted, distancesAdjusted[i]);
    }

    /* Set the colour for each point, based on the distances from the
     * data centroid. */
    ColorMapRainbow map = new ColorMapRainbow();
    Color[] colors = new Color[points.length];
    for (int i = 0; i < points.length; i++) {
      colors[i] = map.getColor(0, 0, distancesAdjusted[i], 0, maxDAdjusted);
    }

    /* Make rainbow colors. */
    Scatter scatter = new Scatter(points, colors, 4f);
    chart = AWTChartComponentFactory.chart(Quality.Advanced, "newt");

    Polygon polygon1 = new Polygon();
    polygon1.add(new Point(new Coord3d(-500, -500, 1000)));
    polygon1.add(new Point(new Coord3d(-500, 500, 1000)));
    polygon1.add(new Point(new Coord3d(500, 500, 1000)));
    polygon1.add(new Point(new Coord3d(500, -500, 1000)));
    polygon1.setColor(new Color(0f, 1f, 0f, 0.5f));
    polygon1.setFaceDisplayed(true);

    Polygon polygon2 = new Polygon();
    polygon2.add(new Point(new Coord3d(-500, -500, 800)));
    polygon2.add(new Point(new Coord3d(-500, 500, 800)));
    polygon2.add(new Point(new Coord3d(500, 500, 800)));
    polygon2.add(new Point(new Coord3d(500, -500, 800)));
    polygon2.setColor(new Color(1f, 0f, 0f, 0.5f));
    polygon2.setFaceDisplayed(true);

    //		chart.getScene().add(polygon1);
    //		chart.getScene().add(polygon2);
    chart.getScene().add(scatter);
  }
 public static Chart chart(String toolkit) {
   AWTChartComponentFactory f = new AWTChartComponentFactory();
   return f.newChart(Chart.DEFAULT_QUALITY, toolkit);
 }
 public static Chart chart(Quality quality, String toolkit) {
   AWTChartComponentFactory f = new AWTChartComponentFactory();
   return f.newChart(quality, toolkit);
 }
 public static Chart chart(Quality quality) {
   AWTChartComponentFactory f = new AWTChartComponentFactory();
   return f.newChart(quality, Toolkit.newt);
 }