def __init__(self):
# Get it started
super(WHTISISBlueSpectrograph, self).__init__()
self.spectrograph = 'wht_isis_blue'
self.telescope = telescopes.WHTTelescopePar()
self.camera = 'ISISb'
self.detector = [
# Detector 1
pypeitpar.DetectorPar(
dataext = 1,
specaxis = 0,
specflip = False,
xgap = 0.,
ygap = 0.,
ysize = 1.,
platescale = 0.225,
darkcurr = 0.0,
saturation = 65535.,
nonlinear = 0.76,
numamplifiers = 1,
gain = 1.2,
ronoise = 5.0,
datasec = '[:,2:4030]',
oscansec = None,
suffix = '_blue'
)]
self.numhead = 2
class WHTISISSpectrograph(spectrograph.Spectrograph):
"""
Child to handle WHT/ISIS specific code
"""
ndet = 1
telescope = telescopes.WHTTelescopePar()
def configuration_keys(self):
"""
Return the metadata keys that define a unique instrument
configuration.
This list is used by :class:`~pypeit.metadata.PypeItMetaData` to
identify the unique configurations among the list of frames read
for a given reduction.
Returns:
:obj:`list`: List of keywords of data pulled from file headers
and used to constuct the :class:`~pypeit.metadata.PypeItMetaData`
object.
"""
return ['dispname', 'decker', 'binning', 'dispangle', 'dichroic']
def init_meta(self):
"""
Define how metadata are derived from the spectrograph files.
That is, this associates the ``PypeIt``-specific metadata keywords
with the instrument-specific header cards using :attr:`meta`.
"""
self.meta = {}
# Required (core)
self.meta['ra'] = dict(ext=0, card='RA')
self.meta['dec'] = dict(ext=0, card='DEC')
self.meta['target'] = dict(ext=0, card='OBJECT')
self.meta['decker'] = dict(card=None, compound=True)
self.meta['binning'] = dict(card=None, compound=True)
self.meta['mjd'] = dict(ext=0, card='MJD-OBS')
self.meta['exptime'] = dict(ext=0, card='EXPTIME')
self.meta['airmass'] = dict(ext=0, card='AIRMASS')
self.meta['decker'] = dict(ext=0, card='ISISLITU')
# Extras for config and frametyping
self.meta['dispname'] = dict(ext=0, card='ISIGRAT')
self.meta['dichroic'] = dict(ext=0, card='ISIDICHR')
self.meta['dispangle'] = dict(ext=0, card='CENWAVE', rtol=1e-3)
self.meta['slitwid'] = dict(ext=0, card='ISISLITW')
self.meta['idname'] = dict(ext=0, card='IMAGETYP')
# Lamps
self.meta['lampstat01'] = dict(ext=0, card='CAGLAMPS')
def compound_meta(self, headarr, meta_key):
"""
Methods to generate metadata requiring interpretation of the header
data, instead of simply reading the value of a header card.
Args:
headarr (:obj:`list`):
List of `astropy.io.fits.Header`_ objects.
meta_key (:obj:`str`):
Metadata keyword to construct.
Returns:
object: Metadata value read from the header(s).
"""
if meta_key == 'binning':
binspatial = headarr[0]['CCDXBIN']
binspec = headarr[0]['CCDYBIN']
return parse.binning2string(binspec, binspatial)
msgs.error("Not ready for this compound meta")
def pypeit_file_keys(self):
"""
Define the list of keys to be output into a standard ``PypeIt`` file.
Returns:
:obj:`list`: The list of keywords in the relevant
:class:`~pypeit.metadata.PypeItMetaData` instance to print to the
:ref:`pypeit_file`.
"""
return super().pypeit_file_keys() + ['slitwid']
def __init__(self):
# Get it started
super(WHTISISSpectrograph, self).__init__()
self.spectrograph = 'wht_isis'
self.telescope = telescopes.WHTTelescopePar()