summaryrefslogtreecommitdiff
path: root/lib/stwcs/wcsutil/instruments.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stwcs/wcsutil/instruments.py')
-rw-r--r--lib/stwcs/wcsutil/instruments.py321
1 files changed, 321 insertions, 0 deletions
diff --git a/lib/stwcs/wcsutil/instruments.py b/lib/stwcs/wcsutil/instruments.py
new file mode 100644
index 0000000..997bdc8
--- /dev/null
+++ b/lib/stwcs/wcsutil/instruments.py
@@ -0,0 +1,321 @@
+from __future__ import division # confidence high
+
+import pyfits
+from mappings import ins_spec_kw
+
+class InstrWCS(object):
+ """
+ A base class for instrument specific keyword definition.
+ It prvides a default implementation (modeled by ACS) for
+ all set_kw methods.
+ """
+ def __init__(self, hdr0=None, hdr=None):
+ self.exthdr = hdr
+ self.primhdr = hdr0
+ self.set_ins_spec_kw()
+
+ def set_ins_spec_kw(self):
+ """
+ This method MUST call all set_kw methods.
+ There should be a set_kw method for all kw listed in
+ mappings.ins_spec_kw. TypeError handles the case when
+ fobj='DEFAULT'.
+ """
+ self.set_idctab()
+ self.set_offtab()
+ self.set_date_obs()
+ self.set_ra_targ()
+ self.set_dec_targ()
+ self.set_pav3()
+ self.set_detector()
+ self.set_filter1()
+ self.set_filter2()
+ self.set_vafactor()
+ self.set_naxis1()
+ self.set_naxis2()
+ self.set_ltv1()
+ self.set_ltv2()
+ self.set_binned()
+ self.set_chip()
+ self.set_parity()
+
+ def set_idctab(self):
+ try:
+ self.idctab = self.primhdr['IDCTAB']
+ except (KeyError, TypeError):
+ self.idctab = None
+
+ def set_offtab(self):
+ try:
+ self.offtab = self.primhdr['OFFTAB']
+ except (KeyError, TypeError):
+ self.offtab = None
+
+ def set_date_obs(self):
+ try:
+ self.date_obs = self.primhdr['DATE-OBS']
+ except (KeyError, TypeError):
+ self.date_obs = None
+
+ def set_ra_targ(self):
+ try:
+ self.ra_targ = self.primhdr['RA-TARG']
+ except (KeyError, TypeError):
+ self.ra_targ = None
+
+ def set_dec_targ(self):
+ try:
+ self.dec_targ = self.primhdr['DEC-TARG']
+ except (KeyError, TypeError):
+ self.dec_targ = None
+
+ def set_pav3(self):
+ try:
+ self.pav3 = self.primhdr['PA_V3']
+ except (KeyError, TypeError):
+ self.pav3 = None
+
+ def set_filter1(self):
+ try:
+ self.filter1 = self.primhdr['FILTER1']
+ except (KeyError, TypeError):
+ self.filter1 = None
+
+ def set_filter2(self):
+ try:
+ self.filter2 = self.primhdr['FILTER2']
+ except (KeyError, TypeError):
+ self.filter2 = None
+
+ def set_vafactor(self):
+ try:
+ self.vafactor = self.exthdr['VAFACTOR']
+ except (KeyError, TypeError):
+ self.vafactor = 1
+
+ def set_naxis1(self):
+ try:
+ self.naxis1 = self.exthdr['naxis1']
+ except (KeyError, TypeError):
+ try:
+ self.naxis1 = self.exthdr['npix1']
+ except (KeyError, TypeError):
+ self.naxis1 = None
+
+ def set_naxis2(self):
+ try:
+ self.naxis2 = self.exthdr['naxis2']
+ except (KeyError, TypeError):
+ try:
+ self.naxis2 = self.exthdr['npix2']
+ except (KeyError, TypeError):
+ self.naxis2 = None
+
+ def set_ltv1(self):
+ try:
+ self.ltv1 = self.exthdr['LTV1']
+ except (KeyError, TypeError):
+ self.ltv1 = 0.0
+
+ def set_ltv2(self):
+ try:
+ self.ltv2 = self.exthdr['LTV2']
+ except (KeyError, TypeError):
+ self.ltv2 = 0.0
+
+ def set_binned(self):
+ try:
+ self.binned = self.exthdr['BINAXIS1']
+ except (KeyError, TypeError):
+ self.binned = 1
+
+ def set_chip(self):
+ try:
+ self.chip = self.exthdr['CCDCHIP']
+ except (KeyError, TypeError):
+ self.chip = 1
+
+ def set_parity(self):
+ self.parity = [[1.0,0.0],[0.0,-1.0]]
+
+ def set_detector(self):
+ # each instrument has a different kw for detector and it can be
+ # in a different header, so this is to be handled by the instrument classes
+ self.detector = 'DEFAULT'
+
+class ACSWCS(InstrWCS):
+ """
+ get instrument specific kw
+ """
+
+ def __init__(self, hdr0, hdr):
+ self.primhdr = hdr0
+ self.exthdr = hdr
+ InstrWCS.__init__(self,hdr0, hdr)
+ self.set_ins_spec_kw()
+
+ def set_detector(self):
+ try:
+ self.detector = self.primhdr['DETECTOR']
+ except KeyError:
+ print 'ERROR: Detector kw not found.\n'
+ raise
+
+ def set_parity(self):
+ parity = {'WFC':[[1.0,0.0],[0.0,-1.0]],
+ 'HRC':[[-1.0,0.0],[0.0,1.0]],
+ 'SBC':[[-1.0,0.0],[0.0,1.0]]}
+
+ if self.detector not in parity.keys():
+ parity = InstrWCS.set_parity(self)
+ else:
+ self.parity = parity[self.detector]
+
+
+class WFPC2WCS(InstrWCS):
+
+
+ def __init__(self, hdr0, hdr):
+ self.primhdr = hdr0
+ self.exthdr = hdr
+ InstrWCS.__init__(self,hdr0, hdr)
+ self.set_ins_spec_kw()
+
+ def set_filter1(self):
+ self.filter1 = self.primhdr.get('FILTNAM1', None)
+ if self.filter1 == " " or self.filter1 == None:
+ self.filter1 = 'CLEAR1'
+
+ def set_filter2(self):
+ self.filter2 = self.primhdr.get('FILTNAM2', None)
+ if self.filter2 == " " or self.filter2 == None:
+ self.filter2 = 'CLEAR2'
+
+
+ def set_binned(self):
+ mode = self.primhdr.get('MODE', 1)
+ if mode == 'FULL':
+ self.binned = 1
+ elif mode == 'AREA':
+ self.binned = 2
+
+ def set_chip(self):
+ self.chip = self.exthdr.get('DETECTOR', 1)
+
+ def set_parity(self):
+ self.parity = [[-1.0,0.],[0.,1.0]]
+
+ def set_detector(self):
+ try:
+ self.detector = self.exthdr['DETECTOR']
+ except KeyError:
+ print 'ERROR: Detector kw not found.\n'
+ raise
+
+
+class WFC3WCS(InstrWCS):
+ """
+ Create a WFC3 detector specific class
+ """
+
+ def __init__(self, hdr0, hdr):
+ self.primhdr = hdr0
+ self.exthdr = hdr
+ InstrWCS.__init__(self,hdr0, hdr)
+ self.set_ins_spec_kw()
+
+ def set_detector(self):
+ try:
+ self.detector = self.primhdr['DETECTOR']
+ except KeyError:
+ print 'ERROR: Detector kw not found.\n'
+ raise
+
+ def set_filter1(self):
+ self.filter1 = self.primhdr.get('FILTER', None)
+ if self.filter1 == " " or self.filter1 == None:
+ self.filter1 = 'CLEAR'
+
+ def set_filter2(self):
+ #Nicmos idc tables do not allow 2 filters.
+ self.filter2 = 'CLEAR'
+
+ def set_parity(self):
+ parity = {'UVIS':[[-1.0,0.0],[0.0,1.0]],
+ 'IR':[[-1.0,0.0],[0.0,1.0]]}
+
+ if self.detector not in parity.keys():
+ parity = InstrWCS.set_parity(self)
+ else:
+ self.parity = parity[self.detector]
+
+class NICMOSWCS(InstrWCS):
+ """
+ Create a NICMOS specific class
+ """
+
+ def __init__(self, hdr0, hdr):
+ self.primhdr = hdr0
+ self.exthdr = hdr
+ InstrWCS.__init__(self,hdr0, hdr)
+ self.set_ins_spec_kw()
+
+ def set_parity(self):
+ self.parity = [[-1.0,0.],[0.,1.0]]
+
+ def set_filter1(self):
+ self.filter1 = self.primhdr.get('FILTER', None)
+ if self.filter1 == " " or self.filter1 == None:
+ self.filter1 = 'CLEAR'
+
+ def set_filter2(self):
+ #Nicmos idc tables do not allow 2 filters.
+ self.filter2 = 'CLEAR'
+
+ def set_chip(self):
+ self.chip = self.detector
+
+ def set_detector(self):
+ try:
+ self.detector = self.primhdr['CAMERA']
+ except KeyError:
+ print 'ERROR: Detector kw not found.\n'
+ raise
+
+class STISWCS(InstrWCS):
+ """
+ A STIS specific class
+ """
+
+ def __init__(self, hdr0, hdr):
+ self.primhdr = hdr0
+ self.exthdr = hdr
+ InstrWCS.__init__(self,hdr0, hdr)
+ self.set_ins_spec_kw()
+
+ def set_parity(self):
+ self.parity = [[-1.0,0.],[0.,1.0]]
+
+ def set_filter1(self):
+ self.filter1 = self.exthdr.get('OPT_ELEM', None)
+ if self.filter1 == " " or self.filter1 == None:
+ self.filter1 = 'CLEAR1'
+
+ def set_filter2(self):
+ self.filter2 = self.exthdr.get('FILTER', None)
+ if self.filter2 == " " or self.filter2 == None:
+ self.filter2 = 'CLEAR2'
+
+ def set_detector(self):
+ try:
+ self.detector = self.primhdr['DETECTOR']
+ except KeyError:
+ print 'ERROR: Detector kw not found.\n'
+ raise
+
+ def set_date_obs(self):
+ try:
+ self.date_obs = self.exthdr['DATE-OBS']
+ except (KeyError, TypeError):
+ self.date_obs = None
+ \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-04-29 06:17:58 -0400