110 lines
3.4 KiB
Python
110 lines
3.4 KiB
Python
"""
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author chritstoph seitz
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starting the xps measurement
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Fermi edge of C1s test
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"""
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global ranges, pass_energy, skip_iteration, ENDSCAN
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from ch.psi.pshell.data.LayoutDefault import ATTR_WRITABLE_DIMENSION as ATTR_WRITABLE_DIMENSION
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cur_range = 0
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cur_iteration = 0
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Scienta.acquisitionMode = Scienta.AcquisitionMode.Swept
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ret=[]
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set_exec_pars(open = True)
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#Global arguments
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Scienta.passEnergy = pass_energy
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names=[]
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names.append("Online Spectrum")
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for i in range(len(ranges)):
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names.append(str(ranges[i][0]))
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plots = plot(None, names)
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spectrum_series = plots[0].getSeries(0)
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def plot_cur_spectrum():
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global spectrum_series
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try:
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while get_context().state.running:
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y = Scienta.spectrum.take(100)
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x = Scienta.spectrumX
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spectrum_series.setData(x, y)
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time.sleep(1.0)
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finally:
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print "Stopping spectrum plotting"
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task = None
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try:
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for cur_range in range(len(ranges)):
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cur_iteration = 0
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skip_iteration = False
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params = ranges[cur_range]
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Eph.move(params[0])
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time.sleep(5.0)
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Scienta.lowEnergy.write(params[1])
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Scienta.highEnergy.write(params[2])
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Scienta.update()
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Scienta.stepSize.write(params[3])
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Scienta.stepTime.write(params[4])
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Scienta.setIterations(1)
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set_adc_averaging()
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#iterations done in script
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xdata = None
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ydata = None
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image_data = None
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task = fork(plot_cur_spectrum)
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path="scan" + str(cur_range+1) + "/"
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for cur_iteration in range(params[5]):
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plots[cur_range+1].setTitle(str(params[0]) + " - iteration " + str(cur_iteration+1))
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while True:
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wait_beam()
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trig_scienta()
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spectrum_array = Scienta.spectrum.read()
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if beam_ok:
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break
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if ydata is None:
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ydata = spectrum_array
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else:
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for k in range (len(spectrum_array)):
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ydata[k] = ydata[k] + spectrum_array[k]
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if xdata is None:
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xdata = Scienta.spectrumX
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plots[cur_range+1].getSeries(0).setData(xdata, ydata)
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if skip_iteration:
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break
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save_dataset(path + "ScientaSpectrum", ydata)
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set_attribute(path, "Iterations",cur_iteration+1)
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if cur_iteration==0:
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save_dataset(path + "ScientaChannels", xdata)
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set_attribute(path + "ScientaChannels", ATTR_WRITABLE_DIMENSION, 1)
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set_attribute(path, "Range Low", params[1])
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set_attribute(path, "Range High", params[2])
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set_attribute(path, "Step Time", params[4])
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set_attribute(path, "Step Size", params[3])
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set_attribute(path, "Pass Energy", pass_energy)
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set_attribute(path, "Readables", ["ScientaSpectrum",])
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set_attribute(path, "Writables", ["ScientaChannels",])
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create_diag_datasets(path)
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append_diag_datasets(path)
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plots[cur_range+1].setTitle(str(params[0]))
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ret.append((xdata, ydata))
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finally:
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cur_range = -1
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if not Scienta.isReady():
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Scienta.stop()
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Scienta.update()
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task[0].cancel(True)
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if ENDSCAN:
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after_scan()
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set_return(to_array(ret,'o')) |