Package scalaSci.math.plot.plots

Source Code of scalaSci.math.plot.plots.CloudPlot3D

package scalaSci.math.plot.plots;

import java.awt.Color;

import javax.swing.JFrame;

import scalaSci.math.plot.FrameView;
import scalaSci.math.plot.Plot3DPanel;
import scalaSci.math.plot.PlotPanel;
import scalaSci.math.plot.render.AbstractDrawer;

public class CloudPlot3D extends Plot {
  double[][] topNW,  topNE,  topSW,  topSE,  botNW,  botNE,  botSW, botSE;
        double[] width_constant = { -1, -1 };
        double[][] XY;
        float[] f;
        boolean fill_shape = true;

  public CloudPlot3D(String n, Color c, double[][] _XYcard, double wX, double wY, double wZ) {
    super(n, c);
    splitXYf(_XYcard);
    width_constant = new double[] { wX, wY, wZ };

    build();
  }

  private void splitXYf(double[][] xycard) {
    XY = new double[xycard.length][3];
    f = new float[xycard.length];
    float normf = 0;
    for (int i = 0; i < xycard.length; i++) {
      XY[i][0] = xycard[i][0];
      XY[i][1] = xycard[i][1];
      XY[i][2] = xycard[i][2];
      f[i] = (float) xycard[i][3];
      normf += f[i];//Math.max(normf, f[i]);
    }

    for (int i = 0; i < f.length; i++) {
      f[i] = f[i] / normf;
    }

  }

  private void build() {
    if (width_constant[0] > 0) {
      topNW = new double[XY.length][];
      topNE = new double[XY.length][];
      topSW = new double[XY.length][];
      topSE = new double[XY.length][];
      botNW = new double[XY.length][];
      botNE = new double[XY.length][];
      botSW = new double[XY.length][];
      botSE = new double[XY.length][];
      for (int i = 0; i < XY.length; i++) {
        topNW[i] = new double[] { XY[i][0] - width_constant[0] / 2, XY[i][1] + width_constant[1] / 2, XY[i][2] + width_constant[1] / 2 };
        topNE[i] = new double[] { XY[i][0] + width_constant[0] / 2, XY[i][1] + width_constant[1] / 2, XY[i][2] + width_constant[1] / 2 };
        topSW[i] = new double[] { XY[i][0] - width_constant[0] / 2, XY[i][1] - width_constant[1] / 2, XY[i][2] + width_constant[1] / 2 };
        topSE[i] = new double[] { XY[i][0] + width_constant[0] / 2, XY[i][1] - width_constant[1] / 2, XY[i][2] + width_constant[1] / 2 };
        botNW[i] = new double[] { XY[i][0] - width_constant[0] / 2, XY[i][1] + width_constant[1] / 2, XY[i][2] - width_constant[1] / 2 };
        botNE[i] = new double[] { XY[i][0] + width_constant[0] / 2, XY[i][1] + width_constant[1] / 2, XY[i][2] - width_constant[1] / 2 };
        botSW[i] = new double[] { XY[i][0] - width_constant[0] / 2, XY[i][1] - width_constant[1] / 2, XY[i][2] - width_constant[1] / 2 };
        botSE[i] = new double[] { XY[i][0] + width_constant[0] / 2, XY[i][1] - width_constant[1] / 2, XY[i][2] - width_constant[1] / 2 };
      }
    }
  }

  public void plot(AbstractDrawer draw, Color c) {
    if (!visible)
      return;

    draw.canvas.includeInBounds(botSW[0]);
    draw.canvas.includeInBounds(topNE[XY.length - 1]);

    draw.setColor(c);
    draw.setLineType(AbstractDrawer.CONTINOUS_LINE);
    for (int i = 0; i < XY.length; i++) {
      if (f[i] > 0) {
        draw.fillPolygon(f[i], topNW[i], topNE[i], topSE[i], topSW[i]);
        draw.fillPolygon(f[i], botNW[i], botNE[i], botSE[i], botSW[i]);

        draw.fillPolygon(f[i], botNW[i], botNE[i], topNE[i], topNW[i]);
        draw.fillPolygon(f[i], botSW[i], botSE[i], topSE[i], topSW[i]);

        draw.fillPolygon(f[i], botNW[i], botSW[i], topSW[i], topNW[i]);
        draw.fillPolygon(f[i], botNE[i], botSE[i], topSE[i], topNE[i]);
      }
    }
  }

  @Override
  public void setData(double[][] d) {
    splitXYf(d);
  }

  @Override
  public double[][] getData() {
    return XY;
  }

  public double[] isSelected(int[] screenCoordTest, AbstractDrawer draw) {
    for (int i = 0; i < XY.length; i++) {
      int[] screenCoord = draw.project(XY[i]);

      if ((screenCoord[0] + note_precision > screenCoordTest[0]) && (screenCoord[0] - note_precision < screenCoordTest[0])
          && (screenCoord[1] + note_precision > screenCoordTest[1]) && (screenCoord[1] - note_precision < screenCoordTest[1]))
        return XY[i];
    }
    return null;
  }

    
public static void main(String[] args) {
    Plot3DPanel p = new Plot3DPanel();

    //triangular random cloud (as sum of two uniform random numbers)
    double[][] cloud = new double[1000][3];
    for (int i = 0; i < cloud.length; i++) {
      cloud[i][0] = Math.random() + Math.random();
      cloud[i][1] = Math.random() + Math.random();
      cloud[i][2] = Math.random() + Math.random();
    }
    p.addCloudPlot("cloud", Color.RED, cloud, 3, 3, 3);

    double[][] cloud2 = new double[1000][3];
    for (int i = 0; i < cloud.length; i++) {
      cloud2[i][0] = 2 + Math.random() + Math.random();
      cloud2[i][1] = 2 + Math.random() + Math.random();
      cloud2[i][2] = 2 + Math.random() + Math.random();
    }
    p.addCloudPlot("cloud2", Color.GREEN, cloud2, 3, 3, 3);

    p.setLegendOrientation(PlotPanel.SOUTH);
    new FrameView(p).setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
  }

}
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