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gac-x03da
2019-08-12 15:54:05 +02:00
parent 153ed352ef
commit 8491492375
1 changed files with 34 additions and 16 deletions
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script/test/FindCenter.py
+34 -16
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@@ -15,42 +15,60 @@ START_POS = 0.0
adjust_sensors()
set_adc_averaging()
# time per scienta acquisition in seconds
time1 = time.time()
trig_scienta()
time2 = time.time()
scienta_time = (time2 - time1)
print "scienta time: ", scienta_time
SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent)
MOTORS = ManipulatorY
RANGE = (START_POS - 5., START_POS + 5.)
STEP = 0.2
RANGE = (START_POS + 5., START_POS - 5.)
# time for one scan in seconds
Scienta.setExposure(0.5)
scienta_time = 3.75
print "scienta time: ", scienta_time
STEP = 0.2
SPEED = STEP / scienta_time
print "speed: ", SPEED
fly_time = (RANGE[1] - RANGE[0]) / SPEED
STEPS = int(fly_time / scienta_time) + 1
print "coarse scan"
print "speed: ", SPEED
print "scan time: ", fly_time
set_exec_pars(keep=True)
result = cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, time=fly_time, before_read=before_readout, after_read = after_readout, check_positions = False)
readable = result.getReadable(0)
positions = result.getPositions(0)
min_counts = min(readable)
max_counts = max(readable)
thresh = (max_counts - min_counts) / 2. + min_counts
print "threshhold: ", thresh
sample_positions = [pos for idx, pos in enumerate(positions) if readable[idx] >= thresh]
lo_edge = min(sample_positions)
hi_edge = max(sample_positions)
print "low and high edge: ", lo_edge, ", ", hi_edge
print "lower edge, upper edge: ", lo_edge, ", ", hi_edge
RANGE = (hi_edge - 0.4, hi_edge + 0.4)
STEP = 0.01
result = cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, time=fly_time, before_read=before_readout, after_read = after_readout, check_positions = False)
RANGE = (lo_edge - 0.4, lo_edge + 0.4)
STEP = 0.01
result = cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, time=fly_time, before_read=before_readout, after_read = after_readout, check_positions = False)
SPEED = STEP / scienta_time
fly_time = (RANGE[1] - RANGE[0]) / SPEED
STEPS = int(fly_time / scienta_time) + 1
print "lower edge scan"
print "speed: ", SPEED
print "scan time: ", fly_time
cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, time=fly_time, before_read=before_readout, after_read = after_readout, check_positions = False)
RANGE = (hi_edge - 0.4, hi_edge + 0.4)
STEP = 0.01
SPEED = STEP / scienta_time
fly_time = (RANGE[1] - RANGE[0]) / SPEED
STEPS = int(fly_time / scienta_time) + 1
print "upper edge scan"
print "speed: ", SPEED
print "scan time: ", fly_time
cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, time=fly_time, before_read=before_readout, after_read = after_readout, check_positions = False)