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gac-x03da
2019-08-13 15:17:39 +02:00
parent 625ec7b0e1
commit a1f5a1d467
1 changed files with 22 additions and 8 deletions
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30
script/test/FindCenter.py
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@@ -1,26 +1,38 @@
"""
automated sample finder (EXPERIMENTAL)
automated sample finder for the Y axis (TESTING)
the script first runs a coarse scan to find the lower and upper edges of the sample.
after that it runs a fine scan on either edge.
set the scienta to a clear peak in fixed mode.
"""
import math
# estimated center of the sample
START_POS = 0.0
# coarse scan range = estimated size of the sample + margins
COARSE_RANGE = 10.0
# scienta dwell time (fixed mode)
DWELL_TIME = 0.5
# --- do not edit below ---
RELATIVE = False
LATENCY = 0.0
ZIGZAG = False
ENDSCAN = False
START_POS = 0.0
SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent)
MOTORS = ManipulatorY
RANGE = (START_POS + 5., START_POS - 5.)
RANGE = (START_POS + COARSE_RANGE / 2., START_POS - COARSE_RANGE / 2.)
Scienta.setExposure(0.5)
scienta_time = 3.75
Scienta.setExposure(DWELL_TIME)
scienta_time = 3.25 + DWELL_TIME
print "scienta time: ", scienta_time
STEP = 0.2
STEP = 0.25
SPEED = STEP / scienta_time
fly_time = abs(RANGE[1] - RANGE[0]) / SPEED
STEPS = int(fly_time / scienta_time) + 1
@@ -49,7 +61,7 @@ print "lower edge, upper edge: ", lo_edge, ", ", hi_edge
RANGE = (lo_edge - 0.4, lo_edge + 0.4)
STEP = 0.01
STEP = 0.025
SPEED = STEP / scienta_time
fly_time = abs(RANGE[1] - RANGE[0]) / SPEED
STEPS = int(fly_time / scienta_time) + 1
@@ -62,7 +74,7 @@ cscan(MOTORS, SENSORS, RANGE[0], RANGE[1], STEPS, time=fly_time, before_read=bef
RANGE = (hi_edge - 0.4, hi_edge + 0.4)
STEP = 0.01
STEP = 0.025
SPEED = STEP / scienta_time
fly_time = abs(RANGE[1] - RANGE[0]) / SPEED
STEPS = int(fly_time / scienta_time) + 1
@@ -72,3 +84,5 @@ 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)
MOTORS.move((lo_edge + hi_edge) / 2)