540 lines
23 KiB
Python
540 lines
23 KiB
Python
import traceback
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is_embedded = (get_exec_pars().getCommand(False).parent != None)
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has_args = is_embedded or (get_exec_pars().source != CommandSource.ui)
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STREAM_CREATION_RETRIES = 3
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MAX_RANGE_STEP = 3
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run("Devices/Elements")
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run("Devices/WireScanner")
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run("Diagnostics/sig_process_wrapper")
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#LayoutSF
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DATA_GROUP_PREFIX = "data/"
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DATASET_SUFIX = "/value"
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set_exec_pars(layout="default")
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#LayoutDefault
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DATA_GROUP_PREFIX = ""
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DATASET_SUFIX = ""
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#Paramter parsing
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prefix = args[0] if has_args else "SARCL01-DWSC160" # "SINDI01-DWSC090" # "S10DI01-DWSC010" #"S10CB07-DWSC440" #"SINDI01-DWSC090"
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scan_type = args[1] if has_args else WireScanner.WireX1
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scan_range = args[2] if has_args else []
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cycles = args[3] if has_args else 2
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#velocity = args[4] if has_args else 200
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n_shot = args[4] if has_args else 200
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bpms = args[5] if has_args else [] #get_wire_scanners_bpms(prefix)
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blms = args[6] if has_args else get_wire_scanners_blms(prefix)
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bkgrd = args[7] if has_args else 10
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plt = args[8] if has_args else plot(None, title = "Wire Scan")[0]
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save_raw = args[9] if has_args else False
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bunch = args[10] if has_args else 1
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adaptive = args[11] if has_args else 1 #0=Off, 1=Gain, 2=Gain+range
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filter_beam_ok = (args[12] if (has_args and len(args)>12) else True)
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do_elog = True if (has_args and (not is_embedded) and (plt is not None)) else False
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print has_args, is_embedded, do_elog
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print "WireScan parameters: ", prefix, scan_type, scan_range, cycles, n_shot, bpms, blms, bkgrd, bunch, adaptive
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#Adaptive mode parameters
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MIN_GAIN, MAX_GAIN = 0.5, 1.1
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INCREMENT_FACTOR = 0.5
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SCAN_RANGE_FACTOR = 6
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MAX_RANGE_STEP = 300
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SET_BLM_WS_MODE = True
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SET_BLM_WS_SETTLING_TIME = 2.0
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SET_BLM_WS_BS_READBACK_TIMEOUT = 10000 #ms
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ADD_CHANNELS = []
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#ADD_CHANNELS = ["SARFE10-PBPG050:HAMP-INTENSITY-CAL", "SARFE10-PBIG050-EVR0:CALCI"]
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#TODO: configure biggerCAJ buffer size and set back to 10000
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SAMPLE_CHANNEL_SIZE = 2049 #10000
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SAMPLE_CHANNEL_EMPTY_VALUE = 0.0
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BPM_SENSORS = [("x","X"+str(bunch)), ("y","Y"+str(bunch)), ("q","Q"+str(bunch))] #(logic name suffix, channel suffix)
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#Plot setup
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if plt is not None:
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plt.clear()
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plt.removeMarker(None)
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plt.getAxis(plt.AxisId.X).setLabel("Position");
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plt.getAxis(plt.AxisId.Y).setLabel("");
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plt.getAxis(plt.AxisId.Y2).setLabel("");
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plt.setLegendVisible(True);
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snapshots = []
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if scan_range is None or len(scan_range) !=4:
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if scan_type in [WireScanner.WireX2, WireScanner.WireY2, WireScanner.Set2]:
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scan_range = [ caget(prefix+":W2X_START_SP", 'd'), \
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caget(prefix+":W2X_END_SP", 'd'), \
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caget(prefix+":W2Y_START_SP", 'd'), \
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caget(prefix+":W2Y_END_SP", 'd') ]
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else:
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scan_range = [ caget(prefix+":W1X_START_SP", 'd'), \
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caget(prefix+":W1X_END_SP", 'd'), \
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caget(prefix+":W1Y_START_SP", 'd'), \
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caget(prefix+":W1Y_END_SP", 'd') ]
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rr = get_repetition_rate(bunch)
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velocity_x = abs(scan_range[1]-scan_range[0])*rr/n_shot
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velocity_y = abs(scan_range[3]-scan_range[2])*rr/n_shot
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#Creating WireScanner object
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print "Creating scanner..."
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if prefix not in get_wire_scanners():
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raise Exception("Invalid wire scan: " + prefix)
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scanner = WireScanner(prefix, scan_range, cycles, None, True)
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#List of stream channels
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channels = [("m_pos", scanner.motor_bs_readback.get_channel_name()),
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("cur_cycle", scanner.curr_cycl.get_channel_name()),
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("scanning", scanner.status_channels[0].get_channel_name())]
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for i in range (len(blms)):
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channels.append (("blm" + str(i+1), blms[i] + ":B" + str(bunch) + "_LOSS_RAW"))
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#channels.append (("blm" + str(i+1), blms[i] + ":B" + str(bunch) + "_LOSS"))
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if plt is not None:
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series = LinePlotSeries(blms[i], None, min(i+1, 2))
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plt.addSeries(series)
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series.setLinesVisible(False)
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series.setPointSize(2)
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if save_raw:
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channels.append (("blm" + str(i+1) + "_raw" , blms[i] + ":LOSS_SIGNAL_RAW"))
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for i in range (len(bpms)):
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for sensor in BPM_SENSORS:
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channels.append (("bpm" + str(i+1) + "_" + sensor[0], bpms[i] + ":" + sensor[1]))
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if SET_BLM_WS_MODE and (len(blms)>0):
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channels.append(("blm1_ws_mode", blms[0] + ":WS_RUNNING"))
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channels.append(("beam_ok", get_beam_ok_channel(bunch)))
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for ch in ADD_CHANNELS:
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channels.append((ch, ch))
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#Metadata
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set_attribute("/", "Wire Scanner", prefix)
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set_attribute("/", "Scan Type", scan_type)
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set_attribute("/", "Range", scan_range)
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set_attribute("/", "Cycles", cycles)
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set_attribute("/", "Scan Points", n_shot)
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set_attribute("/", "Motor Velocity X", velocity_x*math.sqrt(2))
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set_attribute("/", "Wire Velocity X", velocity_x)
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set_attribute("/", "Motor Velocity Y", velocity_y*math.sqrt(2))
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set_attribute("/", "Wire Velocity Y", velocity_y)
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set_attribute("/", "Background Measures", bkgrd)
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set_attribute("/", "BPMs", bpms)
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set_attribute("/", "BLMs", blms)
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set_attribute("/", "Bunch", bunch)
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filename = get_exec_pars().path
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#Stream creation
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for retry in range(STREAM_CREATION_RETRIES):
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try:
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print "Starting stream..."
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st = Stream("pulse_id", dispatcher)
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for c in channels:
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if c[1].endswith("LOSS_SIGNAL_RAW"):
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st.addWaveform(c[0], c[1], int(100.0 / rr), 0)
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else:
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st.addScalar(c[0], c[1], int(100.0 / rr), 0)
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st.initialize()
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st.start()
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add_device(st, True)
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st.waitCacheChange(10000) #Wait stream be running before starting scan
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break
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except:
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print sys.exc_info()[1]
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if retry >= (STREAM_CREATION_RETRIES-1):
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channels_names = [dev.name for dev in st1.children]
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msg = "Error creating stream with channels:\n" + "\n".join(channels_names)
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show_message(msg)
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print(msg)
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raise
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else:
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print "Error creating stream, retrying..."
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class Timestamp(Readable):
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def read(self):
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return st.getTimestamp()
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#Pseudo-device returning the wire position
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class w_pos(Readable):
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def read(self):
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return scanner.get_sel_wire_pos(st.getChild("m_pos").take())
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#End of scan checking
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scan_complete, cur_cycle, wire = None, None, None
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rec =None
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def check_end_scan(record, scan):
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global scan_complete,cur_cycle
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global rec
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if (rec is None) and (record is not None):
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print "Started receiving from stream"
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rec = record
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if record["scanning"]<1:
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print "Data aquisition completed"
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scan_complete=True
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scan.abort()
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record.cancel() #So it won't be saved
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else:
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position = record["w_pos"]
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if record["cur_cycle"] != cur_cycle:
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cur_cycle = record["cur_cycle"]
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get_context().dataManager.splitScanData(scan)
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#if plt is not None: for s in plt.getAllSeries(): s.clear()
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if plt is not None:
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for i in range (len(blms)):
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try:
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val = record["blm" + str(i+1)]
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if val is None:
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val = float("NaN")
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print "Null value for blm ", ("blm" + str(i+1))
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plt.getSeries(i).appendData(position, val)
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except:
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print "Error plotting position " , position, record["blm" + str(i+1)]
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if scanner.take() != "At start":
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print "Not at start: parking scanner"
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scanner.park(wait=True)
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#Process background
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def do_background():
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#Store Background
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if bkgrd>0:
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#scanner.park(wait=True)
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set_exec_pars(group = "background")
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r = mscan (st, st.getReadables()[4:], bkgrd)
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for i in range(len(r.getReadables())):
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d = r.getReadable(i)
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try:
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path = get_exec_pars().group + "/" + DATA_GROUP_PREFIX + r.getReadables()[i].name
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set_attribute(path, "Mean", mean(d))
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set_attribute(path, "Sigma", stdev(d) )
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except:
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pass
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def set_blm_gain(scan_type, index):
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if SET_BLM_WS_MODE and len(blms)>0:
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if scan_type == WireScanner.Set1:
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scan_type = (WireScanner.WireX1 if index == 0 else WireScanner.WireY1)
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if scan_type == WireScanner.Set2:
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scan_type = (WireScanner.WireX2 if index == 0 else WireScanner.WireY2)
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cfg_gain = read_ws_gain (blms[0], scan_type)
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print "cfg_gain = " , cfg_gain
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if cfg_gain is not None:
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set_blm_ws_gain(blms[0],cfg_gain)
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print "Set = " , blms[0], cfg_gain
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#Scan
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def do_scan(index):
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global scan_complete, cur_cycle, wire, rec
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rec =None
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wire = "y" if (index==1) or (scan_type in [WireScanner.WireY1, WireScanner.WireY2]) else "x"
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if wire == "x":
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scanner.set_velocity(velocity_x)
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else:
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scanner.set_velocity(velocity_y)
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set_exec_pars(group=wire+"_{count}", reset=True)
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scanner.set_selection(get_scan_selection(scan_type, index))
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if plt is not None:
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if wire == "x":
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plt.getAxis(plt.AxisId.X).setRange(scan_range[0], scan_range[1])
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else:
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plt.getAxis(plt.AxisId.X).setRange(scan_range[2], scan_range[3])
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if adaptive>0:
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set_blm_gain(scan_type, index)
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scanner.init(wait=True)
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scanner.curr_cycl.write(0)
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scan_complete=False
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cur_cycle = 1.0
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if plt is not None:
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for s in plt.getAllSeries():
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s.clear()
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plt.removeMarker(None)
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try:
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scanner.scan() #scanner.waitState(State.Busy, 60000) Not needed as stream filter will make the wait
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st.getChild("scanning").waitValue(1.0, 10000)
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#print st.getValues()
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#TODO: Check what the problem is
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#mscan (st, [w_pos(),] + st.getReadables() + [Timestamp(),], -1, -1, take_initial = True, after_read = check_end_scan)
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l=[w_pos()] ; l.extend(st.getReadables()); l.append(Timestamp())
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print "Start scan"
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mscan (st, l, -1, -1, take_initial = True, after_read = check_end_scan)
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print "End scan"
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#tscan([w_pos()] + st.getReadables() + [Timestamp(),], 10, 0.5)
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except:
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print sys.exc_info()[1]
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if not scanner.isReady():
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print "Aborting scan"
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scanner.abort()
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if not scan_complete:
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raise
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finally:
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#Combining data of multiple series
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#s=plt.getSeries(0)
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#indexes = sorted(range(len(s.x)),key=lambda x:s.x[x])
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#x,y = [s.x[x] for x in indexes], [s.y[x] for x in indexes]
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#plot(y, xdata = x)
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if rec is None:
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raise Exception("Didn't receive from stream")
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if not scan_complete:
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raise Exception("Scan didn't conmplete")
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print "Calculating"
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rec
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calculate()
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print "Ok"
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img_file = os.path.abspath(filename + "_" + get_exec_pars().group[0:1] + ".png")
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time.sleep(0.1) #Give some time to plot finish (async)
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if plt is not None:
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plt.saveSnapshot(img_file, "png")
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snapshots.append(img_file)
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print "Finished"
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pars = []
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msg = ""
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ret = []
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def calculate():
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global msg
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stats, samples_val, samples_pos = [], [],[]
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for i in range(len(blms)):
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msg += "Wire " + wire + " - BLM " + str(i+1) + ":\n"
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try:
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blm_back_path = "background/" + DATA_GROUP_PREFIX + "blm" + str(i+1)
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print "BLM path: ", blm_back_path
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blm_back_attrs = get_attributes(blm_back_path)
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print "BLM attrs: ", blm_back_attrs
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bg = blm_back_attrs["Mean"] if bkgrd>0 else 0.0
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samples = [[], [], [], [], [], []]
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for cycle in range (cycles):
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pos_path = wire+"_" + ("%04d" % (cycle+1)) + "/" + DATA_GROUP_PREFIX+ "w_pos"
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print "Loading: ", pos_path
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pos = load_data(pos_path + DATASET_SUFIX)
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path = wire+"_" + ("%04d" % (cycle+1)) + "/" + DATA_GROUP_PREFIX + "blm" + str(i+1)
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print "Loading ", path
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data = load_data(path + DATASET_SUFIX)
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print "OK"
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sp = data #blm_remove_spikes(data)
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sig = sp if bg is None else [v-bg for v in sp]
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#print [com, rms]
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[off, amp, com, sigma] = profile_gauss_stats(pos, sig, off=None, amp=None, com=None, sigma=None)
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set_attribute(path, "Gauss COM", float("nan") if (com is None) else com)
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set_attribute(path, "Gauss Sigma", float("nan") if (sigma is None) else sigma)
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#[rms_com, rms_sigma] = profile_rms_stats(pos, sig,noise_std=0, n_sigma=3.5)
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[rms_com, rms_sigma] = profile_rms_stats_with_estimate(pos, sig, com_estimate = com, window_size = sigma * 3.5)
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set_attribute(path, "RMS COM", float("nan") if (rms_com is None) else rms_com)
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set_attribute(path, "RMS Sigma", float("nan") if (rms_sigma is None) else rms_sigma)
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if i==0: #Write channels for BLM 1
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samples_val.extend(sig)
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samples_pos.extend(pos)
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samples[0].append(rms_com);samples[1].append(rms_sigma);
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samples[2].append(com);samples[3].append(sigma);samples[4].append(amp);samples[5].append(off)
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#print [off, amp, com, sigma]
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#from mathutils import Gaussian
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#g = Gaussian(amp, com, sigma)
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#gauss = [g.value(v)+off for v in pos]
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#plot([data, sp, sig, gauss], ["data", "sp", "signal", "gauss", ], xdata = pos, title="Fit blm" + str(i+1) + " - " + str(cycle+1))
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ret.extend([rms_com, rms_sigma, com, sigma, filename + "|"+ pos_path + DATASET_SUFIX, filename + "|"+ path + DATASET_SUFIX])
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stats.append([])
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for sample in samples:
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sample = [v for v in sample if v is not None]
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stats[i].append( (mean(sample), stdev(sample)) if len(sample)>0 else (float("nan"), float("nan")) )
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if plt is not None:
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plt.addMarker(stats[i][2][0], None, "Gcom=" + "%.2f" % stats[i][2][0], plt.getSeries(i).color)
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plt.addMarker(stats[i][0][0], None, "Rcom=" + "%.2f" % stats[i][0][0], plt.getSeries(i).color.brighter())
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msg += " RMS COM: " + "%.4f" % stats[i][0][0] + " +- " +"%.4f" % stats[i][0][1] + "\n" #unichr(0x03C3) + "="
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msg += " RMS Sigma: " + "%.4f" % stats[i][1][0] + " +- " + "%.4f" % stats[i][1][1] + "\n"
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msg += " Gauss COM: " + "%.4f" % stats[i][2][0] + " +- " + "%.4f" % stats[i][2][1] + "\n"
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msg += " Gauss Sigma: " + "%.4f" % stats[i][3][0] + " +- " + "%.4f" % stats[i][3][1] + "\n"
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if i==0: #Write channels for BLM 1
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scanner.set_out_com(bunch,wire,stats[i][0][0])
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scanner.set_out_rms(bunch,wire,stats[i][1][0])
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scanner.set_out_mean(bunch,wire,stats[i][2][0])
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scanner.set_out_sigma(bunch,wire,stats[i][3][0] )
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scanner.set_out_amp(bunch,wire,stats[i][4][0])
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scanner.set_out_off(bunch,wire,stats[i][5][0])
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if len(samples_pos) > SAMPLE_CHANNEL_SIZE:
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samples_pos = samples_pos[0:SAMPLE_CHANNEL_SIZE]
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else:
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samples_pos += [SAMPLE_CHANNEL_EMPTY_VALUE] * (SAMPLE_CHANNEL_SIZE - len(samples_pos))
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if len(samples_val) > SAMPLE_CHANNEL_SIZE:
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samples_val = samples_pos[0:SAMPLE_CHANNEL_SIZE]
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else:
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samples_val += [SAMPLE_CHANNEL_EMPTY_VALUE] * (SAMPLE_CHANNEL_SIZE - len(samples_val))
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scanner.set_out_pos(bunch,wire,samples_pos)
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scanner.set_out_samples(bunch,wire,samples_val)
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try:
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gauss = Gaussian(stats[i][4][0], stats[i][2][0], stats[i][3][0])
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gauss = [gauss.value(v)+stats[i][5][0] for v in samples_pos]
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except:
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traceback.print_exc()
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gauss = [0.0] * SAMPLE_CHANNEL_SIZE
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scanner.set_out_gauss(bunch,wire,gauss)
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#com = stats[i][2][0]
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#sigma = stats[i][3][0]
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#saturration_loss = get_blm_saturation(blms[i])
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#current_gain = get_blm_ws_gain(blms[i]) #read_ws_gain (blms[i], wire)
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#current_loss = get_blm_loss(blms[i])
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#global pars
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|
#pars = [blms, com, sigma, saturration_loss, current_gain, current_loss]
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|
com = stats[i][0][0]
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|
rms = stats[i][1][0]
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|
mn = stats[i][2][0]
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|
sigma = stats[i][3][0]
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(cur_x_range_min, cur_x_range_max) = (scan_range[0], scan_range[1]) if wire == "x" else (scan_range[2], scan_range[3])
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x_range_min, x_range_max = mn - SCAN_RANGE_FACTOR * sigma, mn + SCAN_RANGE_FACTOR * sigma
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off_min, off_max = (x_range_min - cur_x_range_min), (x_range_max - cur_x_range_max)
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valid_range = (abs(off_min) < MAX_RANGE_STEP) and (abs(off_max) < MAX_RANGE_STEP)
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|
valid_fitting = (com!=float('NaN')) and (mn!=float('NaN')) and \
|
|
(com>cur_x_range_min) and (com<cur_x_range_max) and \
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(mn>cur_x_range_min) and (mn<cur_x_range_max)
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|
print "Scan range: ", (cur_x_range_min, cur_x_range_max)
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|
print "Valid fitting: ", valid_fitting
|
|
print "Valid range: ", valid_range
|
|
if adaptive > 0 and \
|
|
valid_fitting and \
|
|
(scan_type not in [WireScanner.Set1, WireScanner.Set2]):
|
|
|
|
new_gain, new_voltage = None, None
|
|
#desired_loss= 800
|
|
desired_loss= get_blm_saturation(blms[i])
|
|
current_voltage = get_blm_ws_gain(blms[i]) #read_ws_gain (blms[i], scan_type)
|
|
#current_loss = float(get_blm_loss(blms[i]))
|
|
current_loss = max(sig)
|
|
print "current_loss=", current_loss
|
|
current_gain = get_gain_from_voltage(current_voltage)
|
|
|
|
dg = current_gain * (desired_loss/ current_loss -1)
|
|
new_gain = current_gain + dg * INCREMENT_FACTOR
|
|
new_voltage = get_voltage_from_gain(new_gain)
|
|
new_voltage = max(min(new_voltage, MAX_GAIN),MIN_GAIN)
|
|
print "dg=", dg, " ng=", new_gain
|
|
|
|
if (new_voltage is not None) and (new_voltage != current_voltage):
|
|
logstr= "Adapting " + str(blms[i]) + " - " + str(scan_type) + "gain: " + str(new_voltage)
|
|
print logstr
|
|
log(logstr)
|
|
write_ws_gain(blms[i], scan_type, new_voltage)
|
|
set_blm_ws_gain(blms[i], new_voltage)
|
|
|
|
if adaptive > 1:
|
|
if valid_range:
|
|
new_min, new_max = (cur_x_range_min + INCREMENT_FACTOR*off_min), (cur_x_range_max + INCREMENT_FACTOR*off_max)
|
|
logstr= "Adapting range: " , new_min , " to " , new_max
|
|
set_wire_scan_range(prefix, scan_type, new_min, new_max)
|
|
print logstr
|
|
log(logstr)
|
|
|
|
except Exception, e:
|
|
print >> sys.stderr, traceback.format_exc()
|
|
msg += str(e)+ "\n"
|
|
|
|
|
|
def get_scan_time():
|
|
global bkgrd, scan_type, scan_range, velocity_x, velocity_y
|
|
ret = 0
|
|
if not scan_type in [WireScanner.WireY1, WireScanner.WireY2]:
|
|
ret += abs(scan_range[0] - scan_range[1])/velocity_x #X SCAN
|
|
if not scan_type in [WireScanner.WireX1, WireScanner.WireX2]:
|
|
ret += abs(scan_range[2] - scan_range[3])/velocity_y #Y SCAN
|
|
ret += 2.0 #ACC/DEC
|
|
ret *= cycles
|
|
ret += bkgrd * (1.0/rr) #BACK
|
|
print "Scan time = " + str(ret),
|
|
ret = ret * 2.0 + 10.0 #Tolernces
|
|
print "; with tolerance = " + str(ret),
|
|
return ret
|
|
|
|
print "Starting scan..."
|
|
try:
|
|
if SET_BLM_WS_MODE and len(blms)>0:
|
|
for i in range(len(blms)):
|
|
start_blm_ws(blms[i], get_scan_time())
|
|
#TODO: Wait for stream variable indicate bllm is in ws mode
|
|
print "Waiting for WS mode..."
|
|
#time.sleep(SET_BLM_WS_SETTLING_TIME)
|
|
st.getChild("blm1_ws_mode").waitValue(1, SET_BLM_WS_BS_READBACK_TIMEOUT)
|
|
print "Reading background..."
|
|
do_background()
|
|
stream_filter = scanner.curr_cycl.get_channel_name() + ">0"
|
|
if filter_beam_ok:
|
|
stream_filter = stream_filter + " AND " + get_beam_ok_channel(bunch) + " == 1"
|
|
st.setFilter(stream_filter)
|
|
print "Executing scan 1..."
|
|
do_scan(0)
|
|
if scan_type in [WireScanner.Set1, WireScanner.Set2]:
|
|
print "Executing scan 2..."
|
|
do_scan(1)
|
|
except:
|
|
print >> sys.stderr, traceback.format_exc()
|
|
raise
|
|
finally:
|
|
try:
|
|
scanner.park(wait=False)
|
|
pass
|
|
except:
|
|
pass
|
|
if SET_BLM_WS_MODE and len(blms)>0:
|
|
for i in range(len(blms)):
|
|
stop_blm_ws(blms[i])
|
|
print "Closing scanner"
|
|
scanner.close()
|
|
print "Closing stream"
|
|
st.close()
|
|
|
|
print msg
|
|
|
|
# save the entry in the logbook
|
|
if do_elog:
|
|
if get_option("Generated data file:\n" + filename +"\n\n" + msg + "\n\n" + "Save to ELOG?", "YesNo") == "Yes":
|
|
log_msg = "Data file: " + filename
|
|
log_msg = log_msg + "\nWire Scanner: " + prefix
|
|
log_msg = log_msg + "\nScan Type: " + str(scan_type)
|
|
log_msg = log_msg + "\nRange: " + str(scan_range)
|
|
log_msg = log_msg + "\nCycles: " + str(cycles)
|
|
log_msg = log_msg + "\nScan Points: " + str(n_shot)
|
|
log_msg = log_msg + "\nWire Velocity X: " + str(velocity_x)
|
|
log_msg = log_msg + "\nWire Velocity Y: " + str(velocity_y)
|
|
log_msg = log_msg + "\nBackground Measures: " + str(bkgrd)
|
|
log_msg = log_msg + "\nBPMs: " + str(bpms)
|
|
log_msg = log_msg + "\nBLMs: " + str(blms)
|
|
log_msg = log_msg + "\nBunch: " + str(bunch)
|
|
|
|
log_msg = log_msg + "\n" + msg
|
|
elog("Wire Scan", log_msg, snapshots)
|
|
|
|
set_exec_pars(open=False)
|
|
print ret
|
|
set_return(ret)
|