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#!/usr/bin/env python
#
# Quantify peak intensities
#
# Copyright (c) 2015 Deutsches Elektronen-Synchrotron DESY,
# a research centre of the Helmholtz Association.
#
# Author:
# 2015 Thomas White <taw@physics.org>
#
import sys
import os
import re
f = open(sys.argv[1], 'r')
prog1 = re.compile("^\s*[\d\-\.]+\s+[\d\-\.]+\s+[\d\-\.]+\s+([\d\-\.]+)\s+.+$")
n_peaks = 0
n_patt = 0
total_intens = 0.0
while True:
fline = f.readline()
if not fline:
break
if fline == '----- Begin chunk -----\n':
n_patt += 1
match = prog1.match(fline)
if match:
intens = float(match.group(1))
total_intens += intens
n_peaks += 1
f.close()
print '%i patterns, %i peaks' % (n_patt,n_peaks)
print 'Mean %.2f peaks per pattern' % (n_peaks/n_patt)
print 'Mean %.2f ADU per peak' % (total_intens/n_peaks)
print 'Mean %.2f ADU total per pattern' % (total_intens/n_patt)
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