42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
SCAN_RANGE = [1455.0, 1475.0]
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STEP_SIZE = 0.2
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EXPOSURE_TIME = 1.0
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SETTLING_TIME = 0.1
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start = time.time()
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objective = microscope.get_child("Objective")
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add_device(objective, True)
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objective.polling=1000
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class CoefficientOfVariation(Readable):
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def read(self):
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d = image.data
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ip = load_array(d.array, d.width, d.height)
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img_stddev = get_measurement(ip, "StdDev")
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img_mean= get_measurement(ip, "Mean")
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try:
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return img_stddev/img_mean
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except:
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return float('nan')
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variation = CoefficientOfVariation()
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sensors = [variation]
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if not get_dry_run() and str(get_setting("AUTO_SWITCH_VALVE")).lower() == "true":
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open_vg10()
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if not get_dry_run() and str(get_setting("AUTO_SWITCH_SHUTTER")).lower() == "true":
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caput(FAST_SHTR, 'Open')
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init_eiger(EXPOSURE_TIME)
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try:
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lscan(objective, sensors, SCAN_RANGE[0], SCAN_RANGE[1], float(STEP_SIZE), latency=SETTLING_TIME, before_read=trigger_eiger, keep=False)
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finally:
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if not get_dry_run() and str(get_setting("AUTO_SWITCH_VALVE")).lower() == "true":
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close_vg10()
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if not get_dry_run() and str(get_setting("AUTO_SWITCH_SHUTTER")).lower() == "true":
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caput(FAST_SHTR, 'Close')
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restore_eiger()
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print "Running time: " + str(time.time() - start) |