Script execution

script/users/Granas/xps_measure_2.py

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+"""
+author chritstoph seitz
+
+starting the xps measurement
+
+Fermi edge of C1s test
+"""
+
+#my debug
+def my_debug(str_):
+    open("/sls/X03DA/data/gac-03da/Data1/2018/10/Granas/XPSstuff/commands/debugging.txt",'a').write(time.strftime("%H:%M")+" "+ str_+"\n")
+    print(str_)
+
+"""
+here the copy of XPSSpectrum starts
+
+"""
+
+#Parameters (global variables):
+#    ranges: list of RangeSelection havinf args = (step_size, step_time, iterations)
+#    pass_energy
+#    save_scienta_image
+#
+#    skip_iteration: if set to 1 then skips after end of current iteration
+
+global ranges, pass_energy, skip_iteration, ENDSCAN
+""" old settings
+ranges = []
+# (eph, min, max, step, time, iter)
+ranges.append((1300.0, 577.0, 593.0, 0.1, 0.2, 1700))
+ranges.append((1300.0, 713.0, 722.0, 0.1, 0.2, 1000))
+ranges.append((1300.0, 1294.5, 1297.0, 0.02, 1, 2))
+pass_energy = 50
+skip_iteration = False
+ENDSCAN = True
+"""
+
+ranges = []
+
+select_edge_tmp = "O1s "
+pass_energy = 20    #O1s
+#save_scienta_image = True
+
+skip_iteration = False
+ENDSCAN = True
+
+# (eph, min, max, step, time, iter)
+if "O1s" in select_edge_tmp:
+    pass_energy = 50 #C1s
+    ranges.append((650.0, 645., 647.0, 0.1, 0.2, 10)) # O1s
+elif "C1s" in select_edge_tmp:
+    ranges.append((390.0, 384.4, 387.0, 0.1, 0.2, 20)) # C1s
+
+from ch.psi.pshell.data.LayoutDefault import ATTR_WRITABLE_DIMENSION as ATTR_WRITABLE_DIMENSION
+
+cur_range = 0
+cur_iteration = 0
+
+Scienta.acquisitionMode = Scienta.AcquisitionMode.Swept
+ret=[]
+
+set_exec_pars(open = True)
+
+#Global arguments
+Scienta.passEnergy = pass_energy
+
+names=[]
+names.append("Online Spectrum")
+for i in range(len(ranges)):       
+    names.append(str(ranges[i][0]))
+plots = plot(None, names)
+spectrum_series = plots[0].getSeries(0)
+def plot_cur_spectrum():
+    global spectrum_series
+    try:
+      while get_context().state.running:
+        y = Scienta.spectrum.take(100)
+        x = Scienta.spectrumX
+        spectrum_series.setData(x, y)        
+        time.sleep(1.0)
+    finally:
+        print "Stopping spectrum plotting"        
+task = None
+
+try:
+    for cur_range in range(len(ranges)): 
+        cur_iteration = 0 
+        skip_iteration = False       
+        params = ranges[cur_range]
+        Eph.move(params[0])
+        time.sleep(5.0)
+        Scienta.lowEnergy.write(params[1])
+        Scienta.highEnergy.write(params[2])
+        Scienta.update()
+
+        Scienta.stepSize.write(params[3])
+        Scienta.stepTime.write(params[4])
+        Scienta.setIterations(1)
+
+        set_adc_averaging()
+
+        #iterations done in script
+        xdata = None
+        ydata = None
+        image_data = None
+        task = fork(plot_cur_spectrum)
+
+        path="scan" + str(cur_range+1) + "/"
+        for cur_iteration in range(params[5]):   
+            plots[cur_range+1].setTitle(str(params[0]) + " - iteration " + str(cur_iteration+1))
+            while True:
+                wait_beam()
+                trig_scienta()
+                spectrum_array = Scienta.spectrum.read()                
+                if beam_ok:
+                    break
+            if ydata is None:
+                ydata = spectrum_array
+            else:
+                for k in range (len(spectrum_array)):
+                    ydata[k] = ydata[k] + spectrum_array[k]
+            if xdata is None:
+                xdata = Scienta.spectrumX
+            plots[cur_range+1].getSeries(0).setData(xdata, ydata)
+            if skip_iteration: 
+                break            
+            save_dataset(path + "ScientaSpectrum", ydata)            
+            set_attribute(path, "Iterations",cur_iteration+1)
+            if cur_iteration==0:
+                save_dataset(path + "ScientaChannels", xdata)
+                set_attribute(path + "ScientaChannels", ATTR_WRITABLE_DIMENSION, 1)
+                set_attribute(path, "Range Low", params[1])
+                set_attribute(path, "Range High", params[2])
+                set_attribute(path, "Step Time", params[4])
+                set_attribute(path, "Step Size", params[3])
+                set_attribute(path, "Pass Energy", pass_energy)
+                set_attribute(path, "Readables", ["ScientaSpectrum",])
+                set_attribute(path, "Writables", ["ScientaChannels",])
+                create_diag_datasets(path)
+                append_diag_datasets(path)                
+
+        plots[cur_range+1].setTitle(str(params[0]))
+        ret.append((xdata, ydata))
+
+finally:
+    cur_range = -1
+    if not Scienta.isReady():
+        Scienta.stop()
+    Scienta.update()
+    task[0].cancel(True)
+    if ENDSCAN:
+        after_scan()    
+    
+set_return(to_array(ret,'o'))