Script execution

script/DeflectorScan.py

@@ -0,0 +1,63 @@
+"""
+Arguments:
+
+MOTOR (device)
+SENSORS (list)
+RANGE (tuple (min, max))
+STEPS (int or tuple)
+LATENCY (double)
+RELATIVE (BOOLEAN)
+FLY_SCAN (BOOLEAN)
+ENDSCAN (BOOLEAN)
+"""
+
+
+MOTORS = (ScientaCenterThetaY)
+# save Scienta image:
+SENSORS = (Counts, Scienta.dataMatrix, Scienta.spectrum, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
+# don't save Scienta image, derived data only:
+# SENSORS = (Counts, Scienta.spectrum, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
+
+STARTPOS = -15.
+ENDPOS = +15.
+# if integer, actual number of positions will be +1!
+STEPS = 1
+RELATIVE = False
+LATENCY = 0.0
+ENDSCAN = True
+ZIGZAG = False
+FLY_SCAN = False
+
+adjust_sensors()
+set_adc_averaging()
+set_preference(Preference.PLOT_TYPES, {'Scienta spectrum':1})
+set_exec_pars(compression=True)
+
+try:
+    if FLY_SCAN:        
+        # time per scienta acquisition in seconds
+        trig_scienta()
+        time1 = time.time()
+        before_readout()
+        time.sleep(0.2)
+        time2 = time.time()
+        scienta_time = (time2 - time1) + 1.
+        print "step time: ", scienta_time        
+        
+        if isinstance(STEPS,int):
+            raise Exception ("Fly Scan must define step size, and not number of steps")
+            
+        STEP = STEPS[0]
+        SPEED = STEP / scienta_time
+        fly_time = (RANGE[1] - RANGE[0]) / SPEED
+        STEPS = int(fly_time / scienta_time) + 1
+                                          
+        print "speed: ", SPEED
+        print "scan time: ", fly_time            
+        cscan(MOTOR, SENSORS, RANGE[0], RANGE[1], STEPS, LATENCY, fly_time, RELATIVE, before_read=before_readout, after_read = after_readout, check_positions = False)
+    else:
+        lscan(MOTOR, SENSORS, RANGE[0], RANGE[1], STEPS, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout)
+finally:
+    if ENDSCAN:
+        after_scan()    
+