Small fixes

- output to four letter formats (svgz etc.) fixed
- last fraction was not displayed, fixed

pycorn.py

@@ -14,7 +14,7 @@
 try:
  import matplotlib.pyplot as plt
  from matplotlib.ticker import AutoMinorLocator
- print("\n Matplotlib found - WARNING - PLOTTING IS EXPERIMENTAL\n")
+ print("\n Matplotlib found - Plotting enabled\n")
 except ImportError:
  print("\n Matplotlib not found. Printing will not work!\n")
  plt = None
@@ -372,15 +372,20 @@ def expander(min_val,max_val,perc):
 def plotter(inp,fractions):
  '''
  plots a data series with fractions if present
+ x-scaling is based on first/last fraction (if present)
+ y-scaling is based on biggest/smallest y-value within x-range
  '''
  x_val = [x[0] for x in inp['data']]
  y_val = [x[1] for x in inp['data']]
  if fractions == None:
  plot_x_min = x_val[0]
  plot_x_max = x_val[-1]
  else:
+ frac_vol = [x[0] for x in fractions]
+ frac_delta = [abs(a - b) for a,b in zip(frac_vol,frac_vol[1:])]
+ frac_delta.append(frac_delta[-1])
  plot_x_min = fractions[0][0]
- plot_x_max = fractions[-1][0]
+ plot_x_max = fractions[-1][0] + frac_delta[-1]
  if args.begin != None:
  plot_x_min = args.begin
  if args.finish != None:
@@ -415,15 +420,11 @@ def plotter(inp,fractions):
  ax.tick_params(axis='x',top='off',which='minor', direction='out', length=4, color='0.17')
  ax.tick_params(axis='y',right='off',which='minor', direction='out', length=4, color='0.17')
  if fractions != None:
- frac_x = [x[0] for x in fractions]
- frac_tmp = frac_x[1:]
- frac_tmp.append(0)
- frac_delta = [abs(a - b) for a,b in zip(frac_tmp,frac_x)]
  for i in fractions:
  plt.axvline(x=i[0], ymin=0.065, ymax=0.0,color='r', linewidth=0.85)
  plt.annotate(i[1], xy=(i[0]+frac_delta[fractions.index(i)]*0.5,frac_y_pos), horizontalalignment='center', verticalalignment='bottom', size=8, rotation=90)
  print(" Plotting " + inp['data_name'])
- ext = "." + (args.format)[-3:]
+ ext = "." + args.format
  file_name = file_base + "_Plot_" + inp['run_name'] + "_" + inp['data_name'] + ext
  plt.savefig(file_name, papertype='a4',dpi=300)
  plt.clf()