51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
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THETA_RANGE = (0.0, 5.0)
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THETA_STEP = 1.0
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PHI_RANGE = (-160.0, +160.0)
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PHI_STEP = 40.0
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LATENCY = 0.0
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ZIGZAG = True
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ENDSCAN = False
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MOTORS = (motor)
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SENSORS = (sin, arr, out, inp, motor.readback)
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set_preference(Preference.PLOT_TYPES, {'Scienta spectrum':1})
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# time per scienta acquisition in second
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scienta_time = 0.1
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print "scienta_time: ", scienta_time
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# time for one theta scan in seconds
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THETA_NSTEPS = int((THETA_RANGE[1] - THETA_RANGE[0]) / THETA_STEP) + 1
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theta_time = scienta_time * THETA_NSTEPS
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print "theta_time: ", theta_time
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PHI_NSTEPS = int((PHI_RANGE[1] - PHI_RANGE[0]) / PHI_STEP) + 1
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phi_positions = [PHI_RANGE[0] + PHI_STEP * i for i in range(PHI_NSTEPS)]
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print "phi_positions: ", phi_positions
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def before_pass(pass_num, scan):
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print "Initializing pass ", pass_num
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phi = phi_positions[pass_num]
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inp.write(phi)
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print "phi = ", phi
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#phi = phi_positions[record.index/THETA_NSTEPS]
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#ManipulatorPhi.write(phi)
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#print "phi = ", phi
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#ManipulatorPhi.waitValueInRange(phi, 1.0, 100)
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try:
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try:
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cscan(MOTORS, SENSORS, THETA_RANGE[0], THETA_RANGE[1], THETA_NSTEPS - 1, time=theta_time, passes = len(phi_positions), zigzag = ZIGZAG, before_pass=before_pass)
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except Exception:
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print sys.exc_info()[1]
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finally:
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if ENDSCAN:
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after_scan() |