def runShadowSource(self):
self.setStatusMessage("")
self.progressBarInit()
# this is to be able to start the widget out of Oasys
try:
tmp = self.workspace_units
except:
self.workspace_units = 'm'
self.workspace_units_label = 'm'
self.workspace_units_to_m = 1.0
self.workspace_units_to_cm = 1e2
self.workspace_units_to_mm = 1e3
self.checkFields()
self.progressBarSet(10)
self.setStatusMessage("Running SHADOW")
sys.stdout = EmittingStream(textWritten=self.writeStdOut)
if self.trace_shadow:
grabber = TTYGrabber()
grabber.start()
self.progressBarSet(50)
try:
self.shadow_output.setText("")
su = Undulator.initialize_as_vertical_undulator(
K=self.K,
period_length=self.period_length,
periods_number=int(self.periods_number))
ebeam = ElectronBeam(energy_in_GeV=self.energy_in_GeV,
energy_spread=0.0,
current=self.current,
number_of_bunches=1,
moment_xx=(self.sigma_x)**2,
moment_xxp=0.0,
moment_xpxp=(self.sigma_divergence_x)**2,
moment_yy=(self.sigma_z)**2,
moment_yyp=0.0,
moment_ypyp=(self.sigma_divergence_z)**2)
print(ebeam.info())
codes = ["internal", "pySRU", "SRW"]
selected_code = codes[self.code_undul_phot]
self.sourceundulator = SourceUndulator(
name="shadowOui-Full-Undulator",
syned_electron_beam=ebeam,
syned_undulator=su,
flag_emittance=self.use_emittances_combo,
flag_size=self.flag_size,
emin=1000, # to be set later
emax=1001, # to be set later
ng_e=2, # to be set later
maxangle=self.maxangle_urad * 1e-6,
ng_t=self.ng_t,
ng_p=self.ng_p,
ng_j=self.ng_j,
code_undul_phot=selected_code)
if self.set_at_resonance == 0:
if self.delta_e == 0:
self.sourceundulator.set_energy_box(
self.photon_energy, self.photon_energy, 1)
else:
self.sourceundulator.set_energy_box(
self.photon_energy - 0.5 * self.delta_e,
self.photon_energy + 0.5 * self.delta_e, self.ng_e)
else:
self.sourceundulator.set_energy_monochromatic_at_resonance(
self.harmonic)
if self.delta_e > 0.0:
e0, e1, ne = self.sourceundulator.get_energy_box()
self.sourceundulator.set_energy_box(
e0 - 0.5 * self.delta_e, e0 + 0.5 * self.delta_e,
self.ng_e)
rays = self.sourceundulator.calculate_rays(
user_unit_to_m=self.workspace_units_to_m,
F_COHER=self.coherent,
SEED=self.seed,
NRAYS=self.number_of_rays)
if self.plot_aux_graph:
self.set_PlotAuxGraphs()
print(self.sourceundulator.info())
shadow3_beam = Shadow3Beam(N=rays.shape[0])
shadow3_beam.rays = rays
if self.file_to_write_out >= 1:
shadow3_beam.write("begin.dat")
print("File written to disk: begin.dat")
if self.file_to_write_out >= 2:
SourceUndulatorInputOutput.write_file_undul_phot_h5(
self.sourceundulator.get_result_dictionary(),
file_out="radiation.h5",
mode="w",
entry_name="radiation")
beam_out = ShadowBeam(beam=shadow3_beam)
beam_out.getOEHistory().append(ShadowOEHistoryItem())
if self.add_power:
additional_parameters = {}
pd, vx, vy = self.sourceundulator.get_power_density_interpolated_cartesian(
)
total_power = self.power_step if self.power_step > 0 else pd.sum(
) * (vx[1] - vx[0]) * (vy[1] - vy[0])
additional_parameters["total_power"] = total_power
additional_parameters["photon_energy_step"] = self.delta_e
beam_out.setScanningData(
ShadowBeam.ScanningData("photon_energy",
self.photon_energy,
"Energy for Power Calculation",
"eV", additional_parameters))
if self.delta_e == 0.0:
beam_out.set_initial_flux(self.sourceundulator.get_flux()[0])
self.progressBarSet(80)
self.plot_results(beam_out)
#
# create python script for creating the shadow3 beam and display the script in the standard output
#
dict_parameters = {
"K": self.K,
"period_length": self.period_length,
"periods_number": self.periods_number,
"energy_in_GeV": self.energy_in_GeV,
"energy_spread": 0.0,
"current": self.current,
"number_of_bunches": 1,
"moment_xx": (self.sigma_x)**2,
"moment_xxp": 0.0,
"moment_xpxp": (self.sigma_divergence_x)**2,
"moment_yy": (self.sigma_z)**2,
"moment_yyp": 0.0,
"moment_ypyp": (self.sigma_divergence_z)**2,
"name": "shadowOui-Full-Undulator",
"flag_emittance": self.use_emittances_combo,
"flag_size": self.flag_size,
"emin": 1000, # to be set later
"emax": 1001, # to be set later
"ng_e": 2, # to be set later
"maxangle": self.maxangle_urad * 1e-6,
"ng_t": self.ng_t,
"ng_p": self.ng_p,
"ng_j": self.ng_j,
"code_undul_phot": selected_code,
"user_unit_to_m": self.workspace_units_to_m,
"F_COHER": self.coherent,
"SEED": self.seed,
"NRAYS": self.number_of_rays,
"EMIN": self.sourceundulator._EMIN,
"EMAX": self.sourceundulator._EMAX,
"NG_E": self.sourceundulator._NG_E,
"MAXANGLE": self.sourceundulator._MAXANGLE,
}
# write python script in standard output
print(self.script_template().format_map(dict_parameters))
self.setStatusMessage("")
self.send("Beam", beam_out)
except Exception as exception:
QtWidgets.QMessageBox.critical(self, "Error", str(exception),
QtWidgets.QMessageBox.Ok)
if self.IS_DEVELOP: raise exception
self.progressBarFinished()
