Add scripts subdirectory for test scripts for sensor. Add plothisto.py which plots histograms for the raw sensor pixel data

scripts/plothisto.py

@@ -0,0 +1,27 @@
+# This script takes raw images from OreSat CFC sensor and plots a histogram
+# of the values along with a line plot of the cumulative distribution function.
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib as mp
+import sys
+bins=200
+# For Mac OS X:
+# set MPLBACKEND environment variable or
+# put backend: MACOSX in matplotlibrc file
+# or uncomment the following line:
+# mp.use("MACOSX")
+
+def plothisto(file):
+    data = np.fromfile(file, dtype=np.uint16)
+    fig, ax = plt.subplots(ncols=1)
+    ax1 = ax.twinx()
+    ax1.tick_params(axis='y',colors='red')
+    ax.hist(data,density=False, bins=bins, range=[0,16384])
+    N = data.size
+    X2 = np.sort(data)
+    F2 = np.array(range(N))/float(N)
+    ax1.plot(X2, F2,alpha=0.3,color='red')
+    plt.show()
+
+if __name__ == "__main__" and "get_ipython" not in dir():
+    plothisto(sys.argv[1])