46 lines
988 B
Python
46 lines
988 B
Python
"""
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Focusing mirror Rx scan
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to center the beam on the monochromator grating
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Rx = -20...+20
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set the front end to 0.5 x 0.5, exit slit to 25, photon energy to 1500
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"""
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import math
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# adjust the following parameters
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STARTPOS = (-5.0)
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ENDPOS = (+5.0)
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STEPS = 0.01
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LATENCY = 1.0
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DWELL = 1.0
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ENDSCAN = False
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MOTORS = [FocusXRot]
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SENSORS = [SampleCurrent, RefCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX]
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RELATIVE = False
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value = DWELL * 10.0
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SampleCurrentAveraging.write(value)
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RefCurrentAveraging.write(value)
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SampleCurrentGain.write("L, 10^9")
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RefCurrentGain.write("L, 10^9")
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# front end size includes offset!
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FrontendHSize.write(1.0)
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FrontendVSize.write(0.9)
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ExitSlit.write(25.0)
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adjust_sensors()
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set_adc_averaging()
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def trig():
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wait_beam()
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caput("X03DA-OP-10ADC:TRG.PROC", 1)
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try:
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lscan(MOTORS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, RELATIVE, before_read=trig, after_read = after_readout)
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finally:
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if ENDSCAN:
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after_scan()
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