135 lines
3.7 KiB
Python
135 lines
3.7 KiB
Python
#Parameters
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if (get_exec_pars().source == CommandSource.ui) and (get_exec_pars().script == "EnergyScan_img") :
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E1 = 800
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E2 = 820
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TIME = 1 #min
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DELAY = 0.1 #s
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FOLDER = get_context().setup.expandPath("{year}_{month}/{date}")
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FILE = 'ImageOTF'
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ROI = {"Region1": [286, 86, 79, 70], "Region2": [153, 279, 95, 82]}
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SAVE_IMAGES=True
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EXPOSURE = 0.2
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SAVE_DIAGS = True
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print "\nStart image energy scan..."
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print E1,"eV ->",E2,"eV,",TIME,"min duration,",DELAY,"sec delay"
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print "ROIs: ", ROI
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#set_exec_pars(format="h5", layout="default")
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folder = os.path.expanduser("~/Data1/") + FOLDER + "/";
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set_exec_pars(name=FILE)
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rois = create_roi_devices(ROI)
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class NormROI(Readable):
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def __init__(self, roi):
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self.roi = roi
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def read(self):
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return float(self.roi.take())/float(CADC1.take())
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def getName(self):
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return self.roi.name + " norm"
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#sensors = [Ecrbk, eiger.getDataMatrix().getCache(), CADC1]
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sensors = [Ecrbk, eiger.getImageCounter().getCache(), CADC1]
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for roi in rois:
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sensors.append(roi)
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sensors.append(NormROI(roi))
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#Pre-actions
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#if NO_BEAM_CHECK == False:
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# print "Wait beam"
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# wait_beam()
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"""
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if MODE is not None:
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pol_mode.write(MODE)
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if MODE == 'LINEAR':
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if ALPHA is not None:
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pol_angle.write(ALPHA)
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time.sleep(0.5)
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if OFFSET is not None:
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pol_offset.write(OFFSET)
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wait_device(pol_done, "DONE")
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"""
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energy.write(float(E1))
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time.sleep(0.5)
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wait_channel(ALL_DONE, 1, type = 'i')
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caput('E1', E1)
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caput('E2', E2)
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caput('TIME', TIME)
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caput('FOLDER', FOLDER)
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caput('FILE', FILE)
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time.sleep(DELAY)
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caput('START', '1')
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#Pseudo-devices
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class Time(Readable):
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def __init__(self):
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self.start = time.time()
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def read(self):
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return time.time()-self.start
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scan_completed = False
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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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try:
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if EXPOSURE != eiger.getExposure():
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restore_eiger(exposure_time = EXPOSURE)
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caput('START', '1')
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#av = create_averager(CADC1, -1, -1)
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def monitoring_task():
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global scan_completed
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time.sleep(1.0)
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wait_channel('START', 'STOP', type = 's')
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scan_completed = True
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get_exec_pars().currentScan.abort()
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ret = fork(monitoring_task)
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def before_read():
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pass
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def after_read():
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if SAVE_DIAGS:
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index = eiger.getImageCounter().take()
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filename = get_exec_pars().path + "/" + str(index) + ".tif"
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save_as_tiff(image.data, filename, check=False, parallel=True, metadata=(get_diags() if SAVE_DIAGS else {}))
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print "Scanning...",
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try:
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CADC1.alias = "I0"
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mscan(image.trigger, sensors, -1, None, async = False, range="auto", domain_axis="Ecrbk", before_read=before_read, after_read=after_read)
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finally:
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CADC1.alias = None
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ret[0].cancel(True)
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print "Finished Energy scan."
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except:
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if not scan_completed:
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print sys.exc_info()
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print("Aborting...")
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while caget('START') == 'START':
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caput('START', '0')
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time.sleep(0.1)
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raise
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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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after_sample() #To call check_id_error() |