import os
import re # Regular expressions - for removing comments
import odict #ordered dictionary
+import copy
-def main():
-
- if (len(sys.argv) != 2):
- sys.stderr.write(sys.argv[0] + " - Require 1 argument (filename)\n")
- return 1
+import Gnuplot, Gnuplot.funcutils
- input_file = open(sys.argv[1], "r")
- data = odict.odict([])
+gnuplot = Gnuplot.Gnuplot()
+
+def GetData(filename):
+ input_file = open(filename, "r")
+ data = []
for line in input_file:
line = re.sub("#.*", "", line).strip("\r\n ")
if len(line) == 0:
continue
- line = line.split("\t")
- #sys.stdout.write(str(line))
- if float(line[1]) in data:
- data[float(line[1])].append(float(line[2]))
- else:
- data[float(line[1])] = [float(line[2])]
+ data.append(map(lambda e : float(e), line.split("\t")))
+ return data
+
+def DoNothing(data):
+ return data
+
+def GetDataSets(directory=".", function=DoNothing):
+ dirs = {}
+ for f in os.listdir(directory):
+ if os.path.isdir(directory+"/"+str(f)) == True:
+ data_set = []
+ for datafile in os.listdir(directory+"/"+str(f)):
+ if datafile.split(".")[1] == "dat":
+ data_set.append(function(map(lambda e : [e[1], e[2]], GetData("./"+str(f)+"/"+str(datafile)))))
+
+ avg = Average(data_set)
+ dirs.update({f : avg})
+ return dirs
-
- for dac in data.keys():
- avg = sum(data[dac], 0.0) / len(data[dac])
- data[dac] = avg
+def Derivative(data, a=0, b=1):
result = []
- for i in range(0, len(data.keys())-1, 1):
- dE = data.keys()[i+1] - data.keys()[i]
- dI = data[data.keys()[i+1]] - data[data.keys()[i]]
- result.append((data.keys()[i], dI/dE))
- sys.stdout.write(str(data.keys()[i]) + "\t" + str(data[data.keys()[i]]) + "\t" + str(dI/dE) + "\n")
+ n = 0
+ dI = 0
+ dE = 0
+ for i in range(1, len(data)-1):
+ dE = data[i+1][a] - data[i][a]
+ if (dE != 0):
+ n = 0
+ dI = 0
+
+ n += 1
+ dI += data[i+1][b] - data[i][b]
+ if (dE != 0):
+ result.append([data[i][a], (dI / (n * dE)) ] ) #/ data[i][2]])
+ return result
+
+def MaxNormalise(data, u=1):
+ maxval = max(data, key = lambda e : e[u])[u]
+
+ result = copy.deepcopy(data)
+ for d in result:
+ d[u] = d[u] / maxval
+
+ return result
+
+def Average(data_sets, u=1):
+ avg = odict.odict()
+ for t in data_sets:
+ for p in t:
+ if p[0] in avg:
+ avg[p[0]][0] += p[u]
+ avg[p[0]][1] += 1
+ else:
+ avg.update({p[0] : [p[u], 1]})
+
+ for a in avg.keys():
+ avg[a] = float(avg[a][0]) / float(avg[a][1])
+ return sorted(avg.items(), key = lambda e : e[0])
- #for dac in data:
- # sys.stdout.write(str(dac) + "\t" + str(data[dac]) + "\n")
+def Plot(*args):
+ gnuplot.plot(args)
+def FitTCS(data):
+ pass
+
+def FullWidthAtHalfMax(data, u=1):
+ maxval = max(data, key = lambda e : e[u])
+ peak = data.index(maxval)
+ maxval = maxval[0]
+ lhs = None
+ rhs = None
+ for i in range(1, len(data)/2):
+ if lhs == None:
+ if (peak-i > 0 and data[peak-i] < 0.50*maxval):
+ lhs = data[peak-i][u]
+ if rhs == None:
+ if (peak+i < len(data) and data[peak+i] < 0.50*maxval):
+ rhs = peak+i
+ if lhs != None and rhs != None:
+ break
+ if rhs == None or lhs == None:
+ return abs(data[len(data)-1][0] - data[0][0])
+ else:
+ return abs(rhs - lhs)
+
+def SaveData(filename, data):
+ out = open(filename, "w", 0)
+ for a in data:
+ out.write(str(a[0]) + "\t" + str(a[1]) + "\n")
+
+
+def main():
+ if (len(sys.argv) < 2):
+ sys.stderr.write(sys.argv[0] + " - Require arguments (filename)\n")
+ return 1
+
+ tcs = []
+ gnuplot("set style data lp")
+ gnuplot("set key outside right")
+ #gnuplot("set title \"Au on Si (50min 3.5A 3-6 e-8mbar)\"")
+ #gnuplot("set xlabel \"E (DAC Counts)\"")
+ #gnuplot("set ylabel \"S(E) (ADC/DAC Counts)\"")
+ #gnuplot("set term postscript colour")
+ #gnuplot("set output \"test.eps\"")
+ for i in range(1, len(sys.argv)):
+ tcs.append(Derivative(map(lambda e : [e[1], e[2]], GetData(sys.argv[i]))))
+ #tcs.append(GetTCS(GetData(sys.argv[i])))
+ if (len(tcs[i-1]) > 0):
+ gnuplot.replot(Gnuplot.Data(tcs[i-1], title=sys.argv[i], with_="lp"))
+
+ # Now average the data
+
+
+
+ avg = Average(tcs)
+ #gnuplot.replot(Gnuplot.Data(avg, title="Average", with_="l lw 2"))
+
+ sys.stdout.write("Save averaged data as (blank for no save): ")
+ filename = sys.stdin.readline().strip(" \r\n\t")
+ if (filename != ""):
+ SaveData(filename, avg)
+
return 0