class StatLats:
"""
This class gathers delivers the statistical twiss parameters
"""
def __init__(self, filename):
self.file_out = open(filename, "a")
self.bunchtwissanalysis = BunchTwissAnalysis()
def writeStatLats(self, s, bunch, lattlength=0):
self.bunchtwissanalysis.analyzeBunch(bunch)
emitx = self.bunchtwissanalysis.getEmittance(0)
betax = self.bunchtwissanalysis.getBeta(0)
alphax = self.bunchtwissanalysis.getAlpha(0)
betay = self.bunchtwissanalysis.getBeta(1)
alphay = self.bunchtwissanalysis.getAlpha(1)
emity = self.bunchtwissanalysis.getEmittance(1)
dispersionx = self.bunchtwissanalysis.getDispersion(0)
ddispersionx = self.bunchtwissanalysis.getDispersionDerivative(0)
dispersiony = self.bunchtwissanalysis.getDispersion(1)
ddispersiony = self.bunchtwissanalysis.getDispersionDerivative(1)
sp = bunch.getSyncParticle()
time = sp.time()
if lattlength > 0:
time = sp.time() / (lattlength / (sp.beta() * speed_of_light))
# if mpi operations are enabled, this section of code will
# determine the rank of the present node
rank = 0 # default is primary node
mpi_init = orbit_mpi.MPI_Initialized()
comm = orbit_mpi.mpi_comm.MPI_COMM_WORLD
if (mpi_init):
rank = orbit_mpi.MPI_Comm_rank(comm)
# only the primary node needs to output the calculated information
if (rank == 0):
self.file_out.write(
str(s) + "\t" + str(time) + "\t" + str(emitx) + "\t" +
str(emity) + "\t" + str(betax) + "\t" + str(betay) + "\t" +
str(alphax) + "\t" + str(alphay) + "\t" + str(dispersionx) +
"\t" + str(ddispersionx) + "\n")
def closeStatLats(self):
self.file_out.close()
class StatLats: """ This class gathers delivers the statistical twiss parameters """ def __init__(self, filename): self.file_out = open(filename,"a") self.bunchtwissanalysis = BunchTwissAnalysis() def writeStatLats(self, s, bunch, lattlength = 0): self.bunchtwissanalysis.analyzeBunch(bunch) emitx = self.bunchtwissanalysis.getEmittance(0) betax = self.bunchtwissanalysis.getBeta(0) alphax = self.bunchtwissanalysis.getAlpha(0) betay = self.bunchtwissanalysis.getBeta(1) alphay = self.bunchtwissanalysis.getAlpha(1) emity = self.bunchtwissanalysis.getEmittance(1) dispersionx = self.bunchtwissanalysis.getDispersion(0) ddispersionx = self.bunchtwissanalysis.getDispersionDerivative(0) dispersiony = self.bunchtwissanalysis.getDispersion(1) ddispersiony = self.bunchtwissanalysis.getDispersionDerivative(1) sp = bunch.getSyncParticle() time = sp.time() if lattlength > 0: time = sp.time()/(lattlength/(sp.beta() * speed_of_light)) # if mpi operations are enabled, this section of code will # determine the rank of the present node rank = 0 # default is primary node mpi_init = orbit_mpi.MPI_Initialized() comm = orbit_mpi.mpi_comm.MPI_COMM_WORLD if (mpi_init): rank = orbit_mpi.MPI_Comm_rank(comm) # only the primary node needs to output the calculated information if (rank == 0): self.file_out.write(str(s) + "\t" + str(time) + "\t" + str(emitx)+ "\t" + str(emity)+ "\t" + str(betax)+ "\t" + str(betay)+ "\t" + str(alphax)+ "\t" + str(alphay) +"\t" + str(dispersionx) + "\t" + str(ddispersionx) + "\n") def closeStatLats(self): self.file_out.close()
#-----------------------------------------------------------------------
print '\n\t\tbunchtwissanalysis on MPI process: ', rank
bunchtwissanalysis = BunchTwissAnalysis() #Prepare the analysis class that will look at emittances, etc.
get_dpp = lambda b, bta: np.sqrt(bta.getCorrelation(5,5)) / (b.getSyncParticle().gamma()*b.mass()*b.getSyncParticle().beta()**2)
get_bunch_length = lambda b, bta: 4 * np.sqrt(bta.getCorrelation(4,4)) / (speed_of_light*b.getSyncParticle().beta())
get_eps_z = lambda b, bta: 1e9 * 4 * pi * bta.getEmittance(2) / (speed_of_light*b.getSyncParticle().beta())
output_file = 'output/output.mat'
output = Output_dictionary()
output.addParameter('turn', lambda: turn)
output.addParameter('epsn_x', lambda: bunchtwissanalysis.getEmittanceNormalized(0))
output.addParameter('epsn_y', lambda: bunchtwissanalysis.getEmittanceNormalized(1))
output.addParameter('eps_z', lambda: get_eps_z(bunch, bunchtwissanalysis))
output.addParameter('intensity', lambda: bunchtwissanalysis.getGlobalMacrosize())
output.addParameter('n_mp', lambda: bunchtwissanalysis.getGlobalCount())
output.addParameter('D_x', lambda: bunchtwissanalysis.getDispersion(0))
output.addParameter('D_y', lambda: bunchtwissanalysis.getDispersion(1))
output.addParameter('bunchlength', lambda: get_bunch_length(bunch, bunchtwissanalysis))
output.addParameter('dpp_rms', lambda: get_dpp(bunch, bunchtwissanalysis))
output.addParameter('beta_x', lambda: bunchtwissanalysis.getBeta(0))
output.addParameter('beta_y', lambda: bunchtwissanalysis.getBeta(1))
output.addParameter('alpha_x', lambda: bunchtwissanalysis.getAlpha(0))
output.addParameter('alpha_y', lambda: bunchtwissanalysis.getAlpha(1))
output.addParameter('mean_x', lambda: bunchtwissanalysis.getAverage(0))
output.addParameter('mean_xp', lambda: bunchtwissanalysis.getAverage(1))
output.addParameter('mean_y', lambda: bunchtwissanalysis.getAverage(2))
output.addParameter('mean_yp', lambda: bunchtwissanalysis.getAverage(3))
output.addParameter('mean_z', lambda: bunchtwissanalysis.getAverage(4))
output.addParameter('mean_dE', lambda: bunchtwissanalysis.getAverage(5))
output.addParameter('eff_beta_x', lambda: bunchtwissanalysis.getEffectiveBeta(0))
output.addParameter('eff_beta_y', lambda: bunchtwissanalysis.getEffectiveBeta(1))