def test_user_redo():
# Check for files
spectrograph = util.load_spectrograph('shane_kast_blue')
# Instantiate
par = spectrograph.default_pypeit_par()['calibrations']['wavelengths']
master_dir = os.path.join(os.getenv('PYPEIT_DEV'), 'Cooked', 'WaveCalib')
master_key = 'ShaneKastBlue_A'
waveCalib = wavecalib.WaveCalib(None,
None,
spectrograph,
par,
master_dir=master_dir,
master_key=master_key,
reuse_masters=True)
assert os.path.isfile(waveCalib.file_path), 'Did not finde Cooked file.'
wv_calib = waveCalib.load()
# Setup
waveCalib.par['sigdetect'] = 5.
nslit = 1
waveCalib.make_maskslits(nslit)
npix = len(waveCalib.wv_calib['0']['spec'])
waveCalib.arccen = np.zeros((npix, nslit))
waveCalib.arccen[:, 0] = waveCalib.wv_calib['0']['spec']
# Do it
new_wv_calib = waveCalib.build_wv_calib(waveCalib.arccen,
'holy-grail',
skip_QA=True)
# Test
assert new_wv_calib['0']['rms'] < 0.2
# Now also test the utility script that reads in the wavecalib
wv_calib_load = wavecalib.WaveCalib.load_from_file(waveCalib.file_path)
assert np.all(wv_calib['0']['fitc'] == wv_calib_load['0']['fitc'])
def test_user_redo():
# Check for files
spectrograph = util.load_spectrograph('shane_kast_blue')
wvcalib_file = os.path.join(os.getenv('PYPEIT_DEV'), 'Cooked', 'WaveCalib',
'MasterWaveCalib_ShaneKastBlue_A.json')
assert os.path.isfile(wvcalib_file)
# Instantiate
waveCalib = wavecalib.WaveCalib(
None, None, spectrograph,
spectrograph.default_pypeit_par()['calibrations']['wavelengths'])
wv_calib, _ = waveCalib.load_master(wvcalib_file)
# Setup
waveCalib.par['sigdetect'] = 5.
nslit = 1
_ = waveCalib.make_maskslits(nslit)
npix = len(waveCalib.wv_calib['0']['spec'])
waveCalib.arccen = np.zeros((npix, nslit))
waveCalib.arccen[:, 0] = waveCalib.wv_calib['0']['spec']
# Do it
new_wv_calib = waveCalib.build_wv_calib(waveCalib.arccen,
'holy-grail',
skip_QA=True)
# Test
assert new_wv_calib['0']['rms'] < 0.2
# Now also test the utility script that reads in the wavecalib
wv_calib_load, par = wavecalib.load_wv_calib(wvcalib_file)
assert np.all(wv_calib['0']['fitc'] == wv_calib_load['0']['fitc'])
def get_wv_calib(self):
"""
Load or generate the 1D wavelength calibrations
Requirements:
msarc, msbpm, slits, det, par
Returns:
dict: :attr:`wv_calib` calibration dict and the updated slit mask array
"""
# Check for existing data
if not self._chk_objs(['msarc', 'msbpm', 'slits']):
msgs.warn(
'Not enough information to load/generate the wavelength calibration. Skipping and may crash down the line'
)
return None
# Check internals
self._chk_set(['det', 'calib_ID', 'par'])
if 'arc' not in self.master_key_dict.keys():
msgs.error('Arc master key not set. First run get_arc.')
# No wavelength calibration requested
if self.par['wavelengths']['reference'] == 'pixel':
msgs.info("A wavelength calibration will not be performed")
self.wv_calib = None
return self.wv_calib
# Grab arc binning (may be different from science!)
# TODO : Do this internally when we have a wv_calib DataContainer
binspec, binspat = parse.parse_binning(self.msarc.detector.binning)
# Instantiate
self.waveCalib = wavecalib.WaveCalib(
self.msarc,
self.slits,
self.spectrograph,
self.par['wavelengths'],
binspectral=binspec,
det=self.det,
master_key=self.master_key_dict['arc'], # For QA naming
qa_path=self.qa_path,
msbpm=self.msbpm)
# Load from disk (MasterFrame)?
masterframe_name = masterframe.construct_file_name(
wavecalib.WaveCalib,
self.master_key_dict['arc'],
master_dir=self.master_dir)
if os.path.isfile(masterframe_name) and self.reuse_masters:
# Load from disk
self.wv_calib = self.waveCalib.load(masterframe_name)
self.slits.mask_wvcalib(self.wv_calib)
else:
self.wv_calib = self.waveCalib.run(skip_QA=(not self.write_qa))
# Save to Masters
self.waveCalib.save(outfile=masterframe_name)
# Return
return self.wv_calib
def test_identify():
arc_file = os.path.join(os.getenv('PYPEIT_DEV'), 'Cooked',
'shane_kast_blue', 'MasterArc_A_1_DET01.fits')
slits_file = os.path.join(os.getenv('PYPEIT_DEV'), 'Cooked',
'shane_kast_blue',
'MasterSlits_A_1_DET01.fits.gz')
# Just list
pargs = scripts.identify.Identify.parse_args(
[arc_file, slits_file, '--test'])
arcfitter = scripts.identify.Identify.main(pargs)
# Load line list
arcfitter.load_IDs(fname=data_path('waveid_tests.ascii'))
assert arcfitter._detns.size == 31, 'Bad load'
# Fit
arcfitter._fitdict['polyorder'] = 3
arcfitter.fitsol_fit()
assert arcfitter._fitdict['fitc'].size == 4, 'Bad fit'
# Auto
arcfitter.auto_id()
assert np.sum(arcfitter._lineflg < 3) > 10, 'Bad auto ID'
arcfitter.fitsol_fit()
# Write
final_fit = arcfitter.get_results()
waveCalib = wavecalib.WaveCalib(
nslits=1,
wv_fits=np.atleast_1d(arcfitter._fitdict['WaveFit']),
arc_spectra=np.atleast_2d(arcfitter.specdata).T,
spat_ids=np.atleast_1d(int(arcfitter._spatid)),
PYP_SPEC='shane_kast_blue',
)
# If you touch the following line, you probably need to update the call in scripts/identify.py
wvarxiv_fn = arcfitter.store_solution(final_fit,
1,
rmstol=0.1,
force_save=True,
wvcalib=waveCalib)
# Test we can read it
tmp = wavecalib.WaveCalib.from_file('wvcalib.fits')
# Clean up -- If these fail then the store solution failed
os.remove('waveid.ascii')
os.remove(wvarxiv_fn)
os.remove('wvcalib.fits')
def get_wv_calib(self):
"""
Load or generate the 1D wavelength calibrations
Requirements:
msarc, msbpm, tslits_dict
det, par
Returns:
dict, ndarray: :attr:`wv_calib` calibration dict and the updated slit mask array
"""
# Check for existing data
if not self._chk_objs(['msarc', 'msbpm', 'tslits_dict']):
msgs.error('dont have all the objects')
# Check internals
self._chk_set(['det', 'calib_ID', 'par'])
if 'arc' not in self.master_key_dict.keys():
msgs.error('Arc master key not set. First run get_arc.')
# Return existing data
if self._cached('wavecalib', self.master_key_dict['arc']) \
and self._cached('wvmask', self.master_key_dict['arc']):
self.wv_calib = self.calib_dict[
self.master_key_dict['arc']]['wavecalib']
self.wv_maskslits = self.calib_dict[
self.master_key_dict['arc']]['wvmask']
self.tslits_dict['maskslits'] += self.wv_maskslits
return self.wv_calib
# No wavelength calibration requested
if self.par['wavelengths']['reference'] == 'pixel':
msgs.info("A wavelength calibration will not be performed")
self.wv_calib = None
self.wv_maskslits = np.zeros_like(self.maskslits, dtype=bool)
self.tslits_dict['maskslits'] += self.wv_maskslits
return self.wv_calib
# Grab arc binning (may be different from science!)
arc_rows = self.fitstbl.find_frames('arc',
calib_ID=self.calib_ID,
index=True)
self.arc_files = self.fitstbl.frame_paths(arc_rows)
binspec, binspat = parse.parse_binning(
self.spectrograph.get_meta_value(self.arc_files[0], 'binning'))
# Instantiate
self.waveCalib = wavecalib.WaveCalib(
self.msarc,
self.tslits_dict,
self.spectrograph,
self.par['wavelengths'],
binspectral=binspec,
det=self.det,
master_key=self.master_key_dict['arc'],
master_dir=self.master_dir,
reuse_masters=self.reuse_masters,
qa_path=self.qa_path,
msbpm=self.msbpm)
# Load from disk (MasterFrame)?
self.wv_calib = self.waveCalib.load()
if self.wv_calib is None:
self.wv_calib, _ = self.waveCalib.run(skip_QA=(not self.write_qa))
# Save to Masters
if self.save_masters:
self.waveCalib.save()
# Create the mask (needs to be done here in case wv_calib was loaded from Masters)
# TODO: This should either be done here or save as part of the
# master frame file. As it is, if not loaded from the master
# frame file, mask_maskslits is run twice, once in run above and
# once here...
self.wv_maskslits = self.waveCalib.make_maskslits(
self.tslits_dict['slit_left'].shape[1])
self.tslits_dict['maskslits'] += self.wv_maskslits
# Save & return
self._update_cache('arc', ('wavecalib', 'wvmask'),
(self.wv_calib, self.wv_maskslits))
# Return
return self.wv_calib
def test_wavecalib():
"Fuss with the WaveCalib DataContainer"
out_file = data_path('test_wavecalib.fits')
if os.path.isfile(out_file):
os.remove(out_file)
# Pieces
pypeitFit = fitting.PypeItFit(fitc=np.arange(5).astype(float),
xval=np.linspace(1, 100., 100))
# 2D fit
pypeitFit2 = fitting.PypeItFit(fitc=np.linspace((1, 2), (10, 20), 10),
xval=np.linspace(1, 100., 100),
x2=np.linspace(1, 100., 100))
waveFit = wv_fitting.WaveFit(232,
pypeitfit=pypeitFit,
pixel_fit=np.arange(10).astype(float),
wave_fit=np.linspace(1., 10., 10))
waveCalib = wavecalib.WaveCalib(wv_fits=np.asarray([waveFit]),
nslits=1,
spat_ids=np.asarray([232]),
wv_fit2d=pypeitFit2)
# Write
waveCalib.to_file(out_file)
# Read
waveCalib2 = wavecalib.WaveCalib.from_file(out_file)
# Test
assert np.array_equal(waveCalib.spat_ids,
waveCalib2.spat_ids), 'Bad spat_ids'
assert np.array_equal(waveCalib.wv_fits[0].pypeitfit.fitc,
waveCalib2.wv_fits[0].pypeitfit.fitc), 'Bad fitc'
assert np.array_equal(waveCalib.wv_fit2d.xval, waveCalib2.wv_fit2d.xval)
# Write again!
waveCalib2.to_file(out_file, overwrite=True)
# Finish
os.remove(out_file)
# With None (failed wave)
spat_ids = np.asarray([232, 949])
waveCalib3 = wavecalib.WaveCalib(wv_fits=np.asarray(
[waveFit, wv_fitting.WaveFit(949)]),
nslits=2,
spat_ids=spat_ids,
wv_fit2d=pypeitFit2)
waveCalib3.to_file(out_file)
waveCalib4 = wavecalib.WaveCalib.from_file(out_file)
# Check masking
slits = slittrace.SlitTraceSet(left_init=np.full((1000, 2), 2,
dtype=float),
right_init=np.full((1000, 2),
8,
dtype=float),
pypeline='MultiSlit',
spat_id=spat_ids,
nspat=2,
PYP_SPEC='dummy')
slits.mask_wvcalib(waveCalib3)
assert slits.bitmask.flagged(slits.mask[1], flag='BADWVCALIB')
# Finish
os.remove(out_file)
par=par['calibrations']['tilts'], det=1,
tslits_dict=tslits_dict, pixlocn=pixlocn)
nslits = tslits_dict['lcen'].shape[1]
maskslits = np.zeros(nslits, dtype=bool)
# QA is not working here
mstilts, wt_maskslits = waveTilts.run(maskslits=maskslits,
wv_calib=None,
doqa=False)
# Wavelength calibration from scienceB image
arcparam = {}
spectrograph.setup_arcparam(arcparam)
setup = 'NIRES'
waveCalib = wavecalib.WaveCalib(msarc,
spectrograph=spectrograph,
#par=par['calibrations']['wavelengths'],
det=1,
setup=setup,
arcparam=arcparam)
wv_calib, _ = waveCalib.run(tslits_dict['lcen'],
tslits_dict['rcen'],
pixlocn,
nonlinear=spectrograph.detector[0]['nonlinear'])
# Get 2-D wavelength solution
waveImage = waveimage.WaveImage(tslits_dict['slitpix'],
mstilts,
wv_calib,
setup=setup,
maskslits=maskslits)
waveimg = waveImage._build_wave()
def wv_calib_from_extern(wave_soln,
arc,
lamps,
outfile=None,
sigdetect=5.0,
fwhm=4.0,
nonlinear_counts=1e10,
outroot='./',
debug=False):
"""
Args:
wave_soln:
arc:
lamps:
outfile:
sigdetect:
fwhm:
nonlinear_counts:
outroot:
debug:
Returns:
"""
# TODO add array size checking etc.
nslits = wave_soln.shape[1]
nspec = wave_soln.shape[0]
line_lists = wavecal.waveio.load_line_lists(lamps)
wv_calib = {}
spec_vec = np.arange(nspec)
for islit in range(nslits):
print(str(islit))
# Find peaks for this slit
tcent, ecent, cut_tcent, icut, spec_cont_sub = wavecal.wvutils.arc_lines_from_spec(
arc[:, islit],
sigdetect=sigdetect,
nonlinear_counts=nonlinear_counts,
fwhm=fwhm,
debug=debug)
detections = tcent[icut]
wave_det = (scipy.interpolate.interp1d(spec_vec,
wave_soln[:, islit],
kind='cubic'))(detections)
patt_dict = {}
patt_dict['mask'] = np.ones_like(detections, dtype=bool)
patt_dict['IDs'] = wave_det
patt_dict['bdisp'] = (np.max(wave_soln[:, islit]) -
np.min(wave_soln[:, islit])) / nspec
final_fit = wavecal.fitting.fit_slit(spec_cont_sub,
patt_dict,
detections,
line_lists,
vel_tol=300.0,
outroot=outroot,
verbose=True)
wv_calib[str(islit)] = final_fit
qa_file = qa.set_qa_filename('GNIRS',
'arc_fit_qa',
slit=islit,
out_dir=outroot)
wavecal.qa.arc_fit_qa(wv_calib[str(islit)], outfile=qa_file)
if debug:
# Show the QA
wavecal.qa.arc_fit_qa(wv_calib[str(islit)])
waveCalib = wavecalib.WaveCalib(None, None)
if outfile is not None:
waveCalib.save_master(wv_calib, outfile=outfile)
return wv_calib
def load_kast_blue_masters(get_spectrograph=False, aimg=False, tslits=False, tilts=False,
datasec=False, wvcalib=False):
"""
Load up the set of shane_kast_blue master frames
Args:
get_spectrograph:
aimg:
tslits:
tilts:
datasec:
wvcalib:
Returns:
"""
spectrograph = load_spectrograph('shane_kast_blue')
spectrograph.naxis = (2112,350) # Image shape with overscan
root_path = data_path('MF') if os.getenv('PYPEIT_DEV') is None \
else os.path.join(os.getenv('PYPEIT_DEV'), 'Cooked', 'MF')
master_dir = root_path+'_'+spectrograph.spectrograph
reuse_masters = True
# Load up the Masters
ret = []
if get_spectrograph:
ret.append(spectrograph)
master_key = 'A_1_01'
if aimg:
AImg = arcimage.ArcImage(spectrograph, master_key=master_key, master_dir=master_dir, reuse_masters=reuse_masters)
msarc, _ = AImg.load_master(AImg.ms_name)
ret.append(msarc)
if tslits:
traceSlits = traceslits.TraceSlits(None,spectrograph,None)
# TODO: Should this be json now?
tslits_dict, mstrace = traceSlits.load_master(os.path.join(master_dir,'MasterTrace_A_1_01.fits'))
# This is a bit of a hack, but I'm adding the mstrace to the dict since we need it in the flat field test
tslits_dict['mstrace'] = mstrace
ret.append(tslits_dict)
if tilts:
wvTilts = wavetilts.WaveTilts(None, None, spectrograph, None, None, master_key=master_key,
master_dir=master_dir, reuse_masters=reuse_masters)
tilts_dict, _ = wvTilts.master()
ret.append(tilts_dict)
if datasec:
datasec_img = spectrograph.get_datasec_img(data_path('b1.fits.gz'), 1)
ret.append(datasec_img)
if wvcalib:
Wavecalib = wavecalib.WaveCalib(None, None, spectrograph,
spectrograph.default_pypeit_par()['calibrations']['wavelengths'],
master_key=master_key,
master_dir=master_dir, reuse_masters=reuse_masters)
wv_calib, _ = Wavecalib.master()
ret.append(wv_calib)
# Return
return ret
