Method initializeAnimation

src/debugging/physicsapps/IsingApp.java:150–183

Set the parameters in the calculation.

()

    * Set the parameters in the calculation.
    */
   @Override
public void initializeAnimation() {
      stopAnimation();
      int newSize = control.getInt("grid size");
      if(newSize!=size) {
         size = newSize;
         spinData = new int[size][size];
         lattice = new BinaryLattice(size, size);
         drawingPanel.clear();
         drawingPanel.addDrawable(lattice);
         randomizeCells();
      }
      flipsPerStep = size*size;
      if(T<0) {
         System.out.println("\nTemperature is negative, automatically negated!");
         T *= -1;
      }
      T = control.getDouble("T");
      H = control.getDouble("H");
      time_counter = 0;
      getME();
      enData.clear();
      magData.clear();
      enData.append(time_counter/10.0, E);
      magData.append(time_counter/10.0, M);
      double ave = org.opensourcephysics.numerics.Util.computeAverage(magData.getYPoints(), 0, magData.getIndex());
      magPanel.setTitle("<M> = "+format.format((float) ave));
      ave = org.opensourcephysics.numerics.Util.computeAverage(enData.getYPoints(), 0, enData.getIndex());
      enPanel.setTitle("<E> = "+format.format((float) ave));
      enPanel.repaint();
      magPanel.repaint();
      drawingPanel.invalidateImage();
      drawingPanel.repaint();
   }

   /**
    * Calculate the total energy and magnetization by summing over all spin states.