Script execution

script/staff/HoloFlyScan2.py

@@ -0,0 +1,70 @@
+"""
+Flying hologram scan (experimental)
+
+Arguments:
+
+THETA_RANGE  (tuple (min, max))
+PHI_RANGE (tuple (min, max))
+THETA_STEP (scalar)
+PHI_STEP (scalar)
+
+ZIGZAG (BOOLEAN)
+LATENCY (float) in seconds
+SENSORS (list of devices)
+"""
+
+THETA_RANGE = (-9.0, 80.0)
+THETA_STEP = 1.0
+#PHI_RANGE = (-40.0, +40.0)
+PHI_RANGE = (-170.0, +170.0)
+PHI_STEP = 20.0
+
+LATENCY = 0.0
+ZIGZAG = True
+ENDSCAN = True
+MOTORS = (ManipulatorTheta)
+#SENSORS = (Counts, Scienta.spectrum, SampleCurrent, RefCurrent, MachineCurrent)
+SENSORS = (Counts, Scienta.dataMatrix, SampleCurrent, RefCurrent, MachineCurrent)
+efix = 110.
+Scienta.centerEnergy.write(efix)
+
+#set_preference(Preference.ENABLED_PLOTS, [ManipulatorPhi, ManipulatorTheta, Scienta.dataMatrix, ImageIntegrator])
+#set_preference(Preference.PLOT_TYPES,{'ImageIntegrator':1})
+adjust_sensors()
+set_adc_averaging()
+set_preference(Preference.PLOT_TYPES, {'Scienta spectrum':1})
+set_exec_pars(compression=True)
+
+# time per scienta acquisition in seconds
+time1 = time.time()
+trig_scienta()
+time2 = time.time()
+scienta_time = (time2 - time1)
+print "scienta_time: ", scienta_time
+
+# time for one theta scan in seconds
+THETA_NSTEPS = int((THETA_RANGE[1] - THETA_RANGE[0]) / THETA_STEP) + 1
+theta_time = scienta_time * THETA_NSTEPS
+print "theta_time: ", theta_time
+
+PHI_NSTEPS = int((PHI_RANGE[1] - PHI_RANGE[0]) / PHI_STEP) + 1
+phi_positions = [PHI_RANGE[0] + PHI_STEP * i for i in range(PHI_NSTEPS)]
+print "phi_positions: ", phi_positions
+
+
+def before_pass(index, scan):
+    global phi_positions
+    print "Starting pass: ", index
+    phi = phi_positions[index-1]
+    ManipulatorPhi.write(phi)
+    print "phi = ", phi
+    ManipulatorPhi.waitValueInRange(phi, 1.0, 100)    
+
+    
+try:
+    cscan(MOTORS, SENSORS, THETA_RANGE[0], THETA_RANGE[1], THETA_NSTEPS - 1, time=theta_time, passes=len(phi_positions), zigzag=ZIGZAG, before_read=before_readout, after_read = after_readout, before_pass = before_pass, check_positions = False)
+    
+finally:
+    if ENDSCAN:
+        after_scan()
+