from cosy_output import CosyOutput from simulation_output import SimulationOutput parser = argparse.ArgumentParser(description='Write the two columns for the velocity data: z,gamma_z') parser.add_argument('directory', type=str, help='The path where the step files and screen.txt are stored.') parser.add_argument('-m','--number_of_electron_per_macroparticle', dest="number_of_electrons_per_macroparticle", type=int, help='The number of electrons per macroparticle for the simulation. This defaults to 100 unless specified.', default=100) args = parser.parse_args() print "z,gamma_z,gamma_z_divided_by_std_z"; mass_of_electron = constants.physical_constants["electron mass energy equivalent in MeV"][0] mass_of_macroparticle = args.number_of_electrons_per_macroparticle*mass_of_electron cosy_output = CosyOutput() cosy_output.injectFile(os.path.join(args.directory,"screen.txt")) cosy_output.addVelocityField(mass_of_macroparticle) for row in cosy_output.rows: step_number = row.getCellWithFieldname("step number").getValue() if step_number % 10 == 0: output = [] output.append(str(row.getCellWithFieldname("z").getValue())) simulation_output = SimulationOutput() for filename in os.listdir(args.directory): if filename.startswith(str(step_number)+"-x-"): pathname = os.path.join(args.directory,filename) if os.path.isfile(pathname): simulation_output.injectFile(pathname) gamma_z = simulation_output.calcGamma("z") output.append(str(gamma_z)) std_z = row.getCellWithFieldname("std_z").getValue()*10**-6 output.append(str(gamma_z/std_z)) print ",".join(output)
for line in f: line = line.rstrip() output = [] folder_metadata = parse_folder_for_metadata(line) cosy_output = CosyOutput() cosy_output.injectFile(os.path.join(line, "2-Cosy/screen.txt")) row_numbers = cosy_output.getRowNumbersWithKeyValuePair("time", 120e-12, comparison="gt") if row_numbers == []: continue step = int(cosy_output.returnTableValue("step number", row_numbers[0])) number_of_macroparticles = int(cosy_output.returnTableValue("number macroparticles", row_numbers[0])) number_of_electrons = number_of_macroparticles * args.number_of_electrons_per_macroparticle files = [] for filename in os.listdir(os.path.join(line, "2-Cosy")): if filename.startswith(str(step) + "-x"): files.append(os.path.join(line, "2-Cosy/" + filename)) simulation_output = SimulationOutput() for path in files: simulation_output.injectFile(path) simulation_output.convertCoordinatesToBetterUnits(mass_of_macroparticle) simulation_output = simulation_output.boostCoordinates("z") ex = simulation_output.calcEmittance("x") / args.number_of_electrons_per_macroparticle ez = simulation_output.calcEmittance("z") / args.number_of_electrons_per_macroparticle if ex == 0 or ez == 0: continue output.append(str(number_of_electrons)) output.append(str(ex)) output.append(str(ez)) output.append(folder_metadata["applied_field"]) print ",".join(output)
parser = argparse.ArgumentParser(description='Write the two columns for the velocity data: z,gamma_z') parser.add_argument('directory', type=str, help='The path where the step files and screen.txt are stored.') parser.add_argument('-m','--number_of_electron_per_macroparticle', dest="number_of_electrons_per_macroparticle", type=int, help='The number of electrons per macroparticle for the simulation. This defaults to 100 unless specified.', default=100) args = parser.parse_args() print "z,eta_z,eta_z_2,ez,gamma_z,mean_z,mean_pz,mean_pzxz,mean_z_squared,mean_pz_squared,var_z,var_pz"#,e_spread,var_pz,gamma_z_squared,var_z"; mass_of_electron = constants.physical_constants["electron mass energy equivalent in MeV"][0] mass_of_macroparticle = args.number_of_electrons_per_macroparticle*mass_of_electron cosy_output = CosyOutput() cosy_output.injectFile(os.path.join(args.directory,"screen.txt")) for row in cosy_output.rows: step_number = row.getCellWithFieldname("step number").getValue() if step_number % 10 == 0: output = [] output.append(str(row.getCellWithFieldname("z").getValue())) simulation_output = SimulationOutput() for filename in os.listdir(args.directory): if filename.startswith(str(step_number)+"-x-"): pathname = os.path.join(args.directory,filename) if os.path.isfile(pathname): simulation_output.injectFile(pathname) simulation_output.convertCoordinatesToBetterUnits(mass_of_macroparticle) simulation_output = simulation_output.boostCoordinates("z") eta_z = simulation_output.calcEta("z") ez = simulation_output.calcEmittance("z") position = simulation_output.returnAllColumnValues("z") momentum = simulation_output.returnAllColumnValues("p_z") mean_position = numpy.mean(position) mean_momentum = numpy.mean(momentum) mean_positionxmomentum = numpy.mean([x*p for x,p in zip(position,momentum)]) mean_position_squared = numpy.mean([x*x for x in position])