code: def plot_circ(fignum, pole, ang, col):
      
      plt.figure(num=fignum)
      D_c, I_c = pmag.circ(pole[0], pole[1], ang)
      X_c_up, Y_c_up = [], []
      X_c_d, Y_c_d = [], []
      for k in range(len(D_c)):
          XY = pmag.dimap(D_c[k], I_c[k])
          if I_c[k] < 0:
              X_c_up.append(XY[0])
              Y_c_up.append(XY[1])
          else:
              X_c_d.append(XY[0])
              Y_c_d.append(XY[1])
      plt.plot(X_c_d, Y_c_d, col + '.', ms=5)
      plt.plot(X_c_up, Y_c_up, 'c.', ms=2)
docs: function to put a small circle on an equal area projection plot, fig,fignum
      Parameters
      __________
      fignum : matplotlib figure number
      pole : dec,inc of center of circle
      ang : angle of circle
      col :