def _get_f(couplelist, dpplist, bpm_name, value):
"""
calculates the linear regression of 'value' for each
dpp in dpplist
:param couplelist: list of getcouple files (for each dpp)
:param dpplist: list of all dpp values available
:param bpm_name: name of bpm
:param value: name of column (e.g. F1001R)
"""
lst = []
x = []
for dpp in dpplist:
x.append(dpp)
couplefile = couplelist[dpp]
lst.append(getattr(couplefile, value)[couplefile.indx[bpm_name]])
lreg = linreg.linreg(x, lst)
return lreg[0], lreg[3]
def _get_f(couplelist, dpplist, bpm_name, value):
'''
calculates the linear regression of 'value' for each
dpp in dpplist
:param couplelist: list of getcouple files (for each dpp)
:param dpplist: list of all dpp values available
:param bpm_name: name of bpm
:param value: name of column (e.g. F1001R)
'''
lst = []
x = []
for dpp in dpplist:
x.append(dpp)
couplefile = couplelist[dpp]
lst.append(getattr(couplefile, value)[couplefile.indx[bpm_name]])
lreg = linreg.linreg(x, lst)
return lreg[0], lreg[3]
def _do_lin_reg_bet(fileobj, listx, listy, bpms, plane, zero, twiss):
"""
Calculates stuff and writes to the file in a table
Closes the file afterwards
:param fileobj: _chromFileWriter for output table
:param listx: List of variables...
:param listy: List of variables...
:param bpms: List of BPMs
:param plane: Which plane (H/V)
:param zero: Twiss for dp/p = 0
:param twiss: Twiss
"""
for bpm in bpms:
name = bpm[1]
sloc = bpm[0]
indx = []
b = []
a = []
bm = []
am = []
if "H" in plane:
beta0 = zero.BETX[zero.indx[name]]
alfa0 = zero.ALFX[zero.indx[name]]
alfa0err = zero.STDALFX[zero.indx[name]]
beta0m = twiss.BETX[twiss.indx[name]]
alfa0m = twiss.ALFX[twiss.indx[name]]
wmo = twiss.WX[twiss.indx[name]]
pmo = twiss.PHIX[twiss.indx[name]]
else:
beta0 = zero.BETY[zero.indx[name]]
alfa0 = zero.ALFY[zero.indx[name]]
alfa0err = zero.STDALFY[zero.indx[name]]
beta0m = twiss.BETY[twiss.indx[name]]
alfa0m = twiss.ALFY[twiss.indx[name]]
wmo = twiss.WY[twiss.indx[name]]
pmo = twiss.PHIY[twiss.indx[name]]
for dpp in listx:
_file = listy[dpp]
ix = _file.indx[name]
indx.append(ix)
if "H" in plane:
b.append(_file.BETX[ix])
a.append(_file.ALFX[ix])
bm.append(_file.BETXMDL[_file.indx[name]])
am.append(_file.ALFXMDL[_file.indx[name]])
else:
b.append(_file.BETY[ix])
a.append(_file.ALFY[ix])
bm.append(_file.BETYMDL[_file.indx[name]])
am.append(_file.ALFYMDL[_file.indx[name]])
bfit = linreg.linreg(listx, b)
afit = linreg.linreg(listx, a)
bfitm = linreg.linreg(listx, bm)
afitm = linreg.linreg(listx, am)
# measurement
dbb = bfit[0] / beta0
dbberr = bfit[3] / beta0
da = afit[0]
daerr = afit[3]
A = dbb
Aerr = dbberr
B = da - alfa0 * dbb
Berr = math.sqrt(daerr ** 2 + (alfa0err * dbb) ** 2 + (alfa0 * dbberr) ** 2)
w = 0.5 * math.sqrt(A ** 2 + B ** 2)
werr = 0.5 * math.sqrt((Aerr * A / w) ** 2 + (Berr * B / w) ** 2)
phi = math.atan2(B, A) / 2.0 / math.pi
phierr = 1.0 / (1.0 + (A / B) ** 2) * math.sqrt((Aerr / B) ** 2 + (A / B ** 2 * Berr) ** 2) / 2.0 / math.pi
# model
dbbm = bfitm[0] / beta0m
dbberrm = bfitm[3] / beta0m
dam = afitm[0]
daerrm = afitm[3]
Am = dbbm
Aerrm = dbberrm
Bm = dam - alfa0m * dbbm
Berrm = math.sqrt(daerrm ** 2 + (alfa0m * dbberrm) ** 2)
wm = 0.5 * math.sqrt(Am ** 2 + Bm ** 2)
werrm = 0.5 * math.sqrt((Aerrm * Am / wm) ** 2 + (Berrm * Bm / wm) ** 2)
phim = math.atan2(Bm, Am) / 2.0 / math.pi
phierrm = (
1.0 / (1.0 + (Am / Bm) ** 2) * math.sqrt((Aerrm / Bm) ** 2 + (Am / Bm ** 2 * Berrm) ** 2) / 2.0 / math.pi
)
fileobj.writeLine(locals().copy())
def _do_lin_reg_bet(fileobj, listx, listy, bpms, plane, zero, twiss):
'''
Calculates stuff and writes to the file in a table
Closes the file afterwards
:param fileobj: _chromFileWriter for output table
:param listx: List of variables...
:param listy: List of variables...
:param bpms: List of BPMs
:param plane: Which plane (H/V)
:param zero: Twiss for dp/p = 0
:param twiss: Twiss
'''
for bpm in bpms:
name = bpm[1]
sloc = bpm[0]
indx = []
b = []
a = []
bm = []
am = []
if "H" in plane:
beta0 = zero.BETX[zero.indx[name]]
alfa0 = zero.ALFX[zero.indx[name]]
try:
alfa0err = zero.STDALFX[zero.indx[name]]
except AttributeError:
alfa0err = zero.ERRALFX[zero.indx[name]]
beta0m = twiss.BETX[twiss.indx[name]]
alfa0m = twiss.ALFX[twiss.indx[name]]
wmo = twiss.WX[twiss.indx[name]]
pmo = twiss.PHIX[twiss.indx[name]]
else:
beta0 = zero.BETY[zero.indx[name]]
alfa0 = zero.ALFY[zero.indx[name]]
try:
alfa0err = zero.STDALFY[zero.indx[name]]
except AttributeError:
alfa0err = zero.ERRALFY[zero.indx[name]]
beta0m = twiss.BETY[twiss.indx[name]]
alfa0m = twiss.ALFY[twiss.indx[name]]
wmo = twiss.WY[twiss.indx[name]]
pmo = twiss.PHIY[twiss.indx[name]]
for dpp in listx:
_file = listy[dpp]
ix = _file.indx[name]
indx.append(ix)
if "H" in plane:
b.append(_file.BETX[ix])
a.append(_file.ALFX[ix])
bm.append(_file.BETXMDL[_file.indx[name]])
am.append(_file.ALFXMDL[_file.indx[name]])
else:
b.append(_file.BETY[ix])
a.append(_file.ALFY[ix])
bm.append(_file.BETYMDL[_file.indx[name]])
am.append(_file.ALFYMDL[_file.indx[name]])
bfit = linreg.linreg(listx, b)
afit = linreg.linreg(listx, a)
bfitm = linreg.linreg(listx, bm)
afitm = linreg.linreg(listx, am)
# measurement
dbb = bfit[0] / beta0
dbberr = bfit[3] / beta0
da = afit[0]
daerr = afit[3]
A = dbb
Aerr = dbberr
B = da - alfa0 * dbb
Berr = math.sqrt(daerr**2 + (alfa0err * dbb)**2 + (alfa0 * dbberr)**2)
w = 0.5 * math.sqrt(A**2 + B**2)
werr = 0.5 * math.sqrt((Aerr * A / w)**2 + (Berr * B / w)**2)
phi = math.atan2(B, A) / 2. / math.pi
phierr = 1. / (1. + (A / B)**2) * math.sqrt(
(Aerr / B)**2 + (A / B**2 * Berr)**2) / 2. / math.pi
#model
dbbm = bfitm[0] / beta0m
dbberrm = bfitm[3] / beta0m
dam = afitm[0]
daerrm = afitm[3]
Am = dbbm
Aerrm = dbberrm
Bm = dam - alfa0m * dbbm
Berrm = math.sqrt(daerrm**2 + (alfa0m * dbberrm)**2)
wm = 0.5 * math.sqrt(Am**2 + Bm**2)
werrm = 0.5 * math.sqrt((Aerrm * Am / wm)**2 + (Berrm * Bm / wm)**2)
phim = math.atan2(Bm, Am) / 2. / math.pi
phierrm = 1. / (1. + (Am / Bm)**2) * math.sqrt(
(Aerrm / Bm)**2 + (Am / Bm**2 * Berrm)**2) / 2. / math.pi
fileobj.writeLine(locals().copy())
