Example #1
0
  //    int frame = 0;
  public void paint(Graphics g) {
    // System.out.println("frame: " + (frame++));
    lStatus.setText(
        "t = "
            + df.format(md.dt * md.step)
            + ", "
            + "N = "
            + md.N
            + ", "
            + "E/N = "
            + df.format(md.E / md.N)
            + ", "
            + "U/N = "
            + df.format(md.U / md.N)
            + ", "
            + "K/N = "
            + df.format(md.K / md.N)
            + ", "
            + "p = "
            + df.format(md.p)
            + ";");
    tAvK.setText(df.format(md.avK.getAve() / md.N) + "  ");
    tAvU.setText(df.format(md.avU.getAve() / md.N) + "  ");
    tTemp.setText(df.format((2 * md.K) / (3 * (md.N - 1))) + "  ");
    tAvp.setText(df.format(md.avp.getAve()) + "  ");
    canvas.refresh(md.getXWrap(), md.N, true, false);
    cpnl.repaint();
    spnl.repaint();

    try {

      PrintWriter wavefunc =
          new PrintWriter(new FileOutputStream(new File("energyData.txt"), true));
      wavefunc.print(md.E / md.N + " " + md.K / md.N + " " + md.U / md.N);
      wavefunc.println();
      wavefunc.close();
    } catch (IOException ex) {
    }

    try {

      PrintWriter tempwriter =
          new PrintWriter(new FileOutputStream(new File("tempData.txt"), true));
      tempwriter.print(df.format((2 * md.K) / (3 * (md.N - 1))));
      tempwriter.println();
      tempwriter.close();
    } catch (IOException ex) {
    }
  }
Example #2
0
  public void actionPerformed(ActionEvent e) {
    Object src = e.getSource();
    if (src == timer) {
      for (int i = 0; i < speed; i++) // integrate a few steps
      md.vv();
      repaint();
      return;
    }

    boolean adjCanvasScale = false;

    if (src == bTstat) md.thermostat = !md.thermostat;

    if (src == bPot) {
      md.ljPotential = !md.ljPotential;
      md.clearData();

      if (timer.isRunning()) timer.stop();
      bStart.setSelected(false);
      bStart.setText("Start");
      md.init(md.rho);
    }

    if (src == tTemp || src == bReset) {
      double kT = Double.parseDouble(tTemp.getText().trim());
      if (kT < 1e-8) {
        kT = 1e-8;
        tTemp.setText("  " + kT);
      }
      md.kT = kT;
      md.clearData();
    }

    if (src == tRho || src == bReset) {
      double rho = Double.parseDouble(tRho.getText().trim());
      if (rho < 1e-3) {
        rho = 1e-3;
        tRho.setText("   " + rho);
      }
      if (rho > 1.2) {
        rho = 1.2;
        tRho.setText("   " + rho);
      }
      md.setDensity(rho);
      md.clearData();
      adjCanvasScale = true;
    }

    if (src == tSpeed || src == bReset) {
      speed = Integer.parseInt(tSpeed.getText().trim());
      if (speed < 1) {
        speed = 1;
        tSpeed.setText("   " + speed);
      }
    }

    if (src == bRetime) md.clearData();

    if (src == bStart) {
      boolean on = bStart.isSelected();
      if (on) {
        timer.restart();
        bStart.setText("Pause");
      } else {
        timer.stop();
        bStart.setText("Resume");
      }
    }

    if (src == tNum) {
      int n = Integer.parseInt(tNum.getText().trim());
      if (n < 2) {
        n = 2;
        tNum.setText(" " + n);
      }
      md.N = n;
      md.init(md.rho);
      adjCanvasScale = true;
    }

    if (src == bReset) {
      if (timer.isRunning()) timer.stop();
      bStart.setSelected(false);
      bStart.setText("Start");
      md.init(md.rho);
    }

    canvas.refresh(md.getXWrap(), md.N, true, adjCanvasScale);

    repaint();
  }