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248 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
###########################################################################################################
############# Algorithm which from ion intensities calculate the coefitients to estimate electron t
############# temperature and impurity density.
###########################################################################################################
ion_names = ['HI','OI','OII', 'OIII', 'HeI', 'CII', 'CIII', 'NI','NII', 'NIII','M1', 'MIV' ]
element_names = ['H','O','He','C','N','M1','M2']
ions_index = [[0], [1,2,3], [4], [5,6], [7,8,9], [10],[11]]
single_ion = [0,2,5,6]
multi_ion = [1,3,4]
import matplotlib
#matplotlib.rcParams['backend'] = 'Agg'
#matplotlib.rc('font', size='10')
#matplotlib.rc('text', usetex=True) # FIXME !! nicer but slower !!!
from numpy import *
from matplotlib.pyplot import *
import os
from numpy.linalg import norm
from scipy.linalg import qr,inv,pinv,eig,cholesky,solve_triangular
from scipy.stats.stats import pearsonr,hmean
from scipy.sparse import block_diag
from scipy.optimize import fmin_powell
from numpy.matlib import repmat
from time import time
from scipy.stats.stats import nanmean,nanmedian
n_ions = 12
n_elemets = 7
k = 2 #polynome order
err = load('err.npy')
T = load('temperature.npy')
shots = load('shots.npy')
n = len(T)
errT = err[-(1+n_elemets)*n:-n_elemets*n]
#errDensity = reshape(err[-n*n_elemets:],(n,n_elemets)).T
T_spitzer = zeros_like(T)
T_spitzer_err = zeros_like(T)
T_all= zeros(11000-7100)
shots_all = arange(7100,11000)
for shot in range(7100,11000):
#print len(where(shot == int_(shots))
shot_index = where(abs(floor(shots)- shot) < 0.5)[0]
n_spec = size(shot_index)
##if n_spec == 0 :
##continue
try:
#print 'loadim', shot
try:
data = load('./electronTemperatures/'+str(shot)+'/electron_temperature.npz')
temp = data['data']*data['scale']
#plot(temp)
#show()
tvec= linspace(data['t_start'], data['t_end'], len(temp))
try:
plasma_start = loadtxt('./electronTemperatures/'+str(shot)+'/PlasmaStart')
plasma_end = loadtxt('./electronTemperatures/'+str(shot)+'/PlasmaEnd')
except:
plasma_start = amin(tvec[isfinite(temp)])
plasma_end = amax(tvec[isfinite(temp)])
#print plasma_start,plasma_end
#print 'nacteno npz', (temp)
except:
#ss
temp = loadtxt('./electronTemperatures/'+str(shot)+'/ElectronTemperatureMedianFilter.txt')
tvec = temp[:,0]
temp = temp[:,1]
savez('./electronTemperatures/'+str(shot)+'/electron_temperature.npz', data=temp, scale=1, t_start=tvec[0],t_end=tvec[-1])
#print shape(temp)
#try:
plasma_start = loadtxt('./electronTemperatures/'+str(shot)+'/PlasmaStart')
plasma_end = loadtxt('./electronTemperatures/'+str(shot)+'/PlasmaEnd')
#except:
#print 'no lasma start'
#continue
except:
print shot, ' failured'
continue
print shot
if shot > 9300:
temp*= 2
else:
tvec/= 1000
plasma_start-= 0.5
plasma_start/= 1000
plasma_end/=1000
#plot(tvec,temp)
#xlim(plasma_start,plasma_end)
#ylim(0,80)
#savefig('./electronTemperatures/'+str(shot)+'.png')
#clf()
T_all[shot-7100] = median(temp[(tvec > plasma_start) * (tvec< plasma_end)])
tvec_spec = linspace(plasma_start,plasma_end,n_spec+1)
#plot(temp[:,0],temp[:,1])
#xlim(plasma_start,plasma_end)
#ylim(0,100)
#show()
for i in range(n_spec):
shot_temp = temp[(tvec > tvec_spec[i]) * (tvec< tvec_spec[i+1])]
T_spitzer[shot_index[i]] = nanmedian(shot_temp)
T_spitzer_err[shot_index[i]] = nanmean(abs(shot_temp-nanmedian(shot_temp)))*1.4
#print T_spitzer[shot_index]
#exit()
plot(shots_all,T_all, '.')
show()
#plot(T_spitzer,-T, '.',markersize = 0.5)
##errorbar(T_spitzer,-T,yerr = errT, xerr = T_spitzer_err, fmt='.',capsize = 0,linewidth = 0.1,markersize = 0.5)
#ylim(-4,2)
#xlim(3,100)
#show()
#plot(shots,T_spitzer)
ind = where((T_spitzer!= 0))
T = -T[ind]
errT = errT[ind]
T_spitzer = T_spitzer[ind]
T_spitzer_err = T_spitzer_err[ind]
n = size(ind)
print n
iter = 0
def f(var,x,xerr,y,yerr):
#print sum(x),norm((xerr))
T_spitz = var[-n:]
a = var[0]
b = var[1]
c = var[2]
d = var[3]
#y = param[0]
#yerr = param[1]
#x = param[2]
#xerr = param[3]
#T_new = zeros_like(T_spitz)
#print shape(T_new), shape(y), shape(yerr), shape(T_spitz), shape(x), shape(xerr)
#ind = T_spitz*a+b> 1e-3
#T_new[ind] = log((T_spitz*a+b)[ind])
T_new = d*arctan(T_spitz*a+b)+c
#T_new =
boundary = 0
#ind = argsort(T_spitz)
#print shape(ind)
#boundary = norm(diff(T_new[ind]) < 0)
#boundary = 0#norm((T_spitz*a+b)[~ind])
#print shape(T_new), shape(y), shape(yerr), shape(T_spitz), shape(x), shape(xerr)
#resid = norm((T_new-y)/yerr)**2+norm((T_spitz-x)/xerr)**2
Resid = hstack(((T_new-y)/yerr, (T_spitz-x)/xerr))
max_Resid = double(amax(abs(Resid)))
Resid/= max_Resid
Resid **= 2
chi2 = max_Resid*sum(Resid/sqrt((1/max_Resid)**2 + Resid))/(size(y)+size(x)-size(var))
#print norm((T_new-y)/yerr),norm((x)), sum(x),norm((1/xerr))
#chi2 = resid/(size(y)+size(x)-size(var))
#print resid
global iter
if iter%1000 ==0:
print iter, chi2,boundary
iter+=1
#return
return chi2+boundary
def TotalLqr(f, x,xerr,y,yerr):
#plot(yerr)
#show()
#plot(x)
#show()
xerr[~isfinite(xerr)] = infty
#print where(1-isfinite(xerr))
#xerr+= 0.01
#print sum(x)0.231930954473 -2.25248138786 -0.934499469238
x0 = hstack((0.23,-2.25,-0.93,2,x))
var = x0
try:
#aa
var = load('var.npy')
except:
var = fmin_powell(f,x0,args=(x,xerr,y,yerr), xtol=1e-5,ftol=1e-5,maxfun=1e6,maxiter=1e7)
save('var',var)
T_spitz = var[-n:]
a = var[0]
b = var[1]
c = var[2]
d = var[3]
#yerr += 0.1
#xerr += 1
print a, b ,c,d
errorbar(x,y,yerr=yerr, xerr=xerr, fmt='.',capsize = 0,linewidth = 0.1,markersize = 0.5)
T_new = d*arctan(T_spitz*a+b)+c
plot(T_spitz,T_new, '.')
show()
plot(x,y,'.',markersize = 0.5)
T_new = d*arctan(T_spitz*a+b)+c
plot(T_spitz,T_new, '.')
show()
ind = where((y-c)/d > pi)
y[ind] = a*0.95*pi+c
T = (tan((y-c)/d)-b)/a
Terr = 1/(a*d)/cos((y-c)/d)**2*yerr
errorbar(x,T,yerr=Terr,xerr=xerr,fmt='.',capsize = 0,linewidth = 0.1,markersize = 0.5)
show()
plot(x,T,'.',markersize = 0.5)
plot([0,0],[60,60],'-')
xlabel('T spectrometer [eV]')
ylabel('T spitzer [eV]')
ylim(0,60)
xlim(0,60)
show()
errorbar(arange(n),T,yerr=Terr,capsize = 0,linewidth = 0.1,markersize = 0.5)
show()
print '-------------------'
TotalLqr(f, T_spitzer,T_spitzer_err,T,errT)
#1.21772166429
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