update 20180530 1200

data/m02_adccalib_48/processing_adccalib_48.py

@@ -1,9 +1,10 @@
 #! /usr/bin/python3
 
-import scipy.optimize as opt 
+import scipy.optimize as opt
 import numpy as np
 import pandas as pd
 import matplotlib.pyplot as plt
+import VisTools.plotting as vt
 
 plt.ioff()
 plt.style.use('bmh')
@@ -14,14 +15,14 @@ data['Dv'] = data['v_pit48/v'] - data['v_keith/v']
 print(data)
 
 axarr[0].errorbar(
-    data['v_keith/v'],
+    data['v_set/v'],
     data['v_pit48/v'],
     yerr=data['dv_pit48/v'],
     label="V$_{MONITOR\_48V}$",
     fmt='.'
 )
 axarr[0].errorbar(
-    data['v_keith/v'],
+    data['v_set/v'],
     data['v_ps/v'],
     yerr=data['dv_ps/v'],
     label="V$_{PS}$",
@@ -29,7 +30,7 @@ axarr[0].errorbar(
 )
 
 axarr[1].errorbar(
-    data['v_keith/v'],
+    data['v_set/v'],
     data['Dv'],
     yerr=data['dv_pit48/v'],
     label=" absolute Error of ADC",
@@ -41,7 +42,7 @@ linfnc = lambda x,m,c: x*m+c
 
 pfinal, pcov = opt.curve_fit(
     linfnc,
-    data['v_keith/v'],
+    data['v_set/v'],
     data['Dv'],
     p0=(.1,2.6),
     sigma=[.5 for e in range(data['Dv'].size)]
@@ -50,10 +51,13 @@ pfinal, pcov = opt.curve_fit(
 print( pfinal )
 
 axarr[1].plot(
-    data['v_keith/v'],
+    data['v_set/v'],
     data['v_keith/v']*pfinal[0]+pfinal[1]
 )
-plt.xlabel('V$_{Keith}$/k$\Omega$')
+
+vt.annotate_val(plt, pfinal[0], np.sqrt(pcov[0][0]), name="V48[2]", data_pos=(44, 3))
+
+plt.xlabel('V$_{set}$/V')
 axarr[0].set_ylabel('V$_{IN}$/V')
 axarr[0].set_title("PowerIt ADC Calibration: 48V Input")
 axarr[1].set_ylabel('$\Delta$V$_{IN}$ / V')