diff options
Diffstat (limited to 'lib/stwcs/wcsutil/hstwcs.py')
| -rw-r--r-- | lib/stwcs/wcsutil/hstwcs.py | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/lib/stwcs/wcsutil/hstwcs.py b/lib/stwcs/wcsutil/hstwcs.py index d138f08..371de0f 100644 --- a/lib/stwcs/wcsutil/hstwcs.py +++ b/lib/stwcs/wcsutil/hstwcs.py @@ -40,7 +40,7 @@ def extract_rootname(kwvalue,suffix=""): fullval = kwvalue # Extract filename without path from kwvalue fname = os.path.basename(fullval).strip() - + # Now, rip out just the rootname from the full filename rootname = fileutil.buildNewRootname(fname) @@ -54,7 +54,7 @@ def build_default_wcsname(idctab): wcsname = 'IDC_' + idcname return wcsname -# +# #### HSTWCS Class definition # class HSTWCS(WCS): @@ -173,7 +173,7 @@ class HSTWCS(WCS): to a CD matrix, if reasonable, by running pc2.cd() method.\n \ The plate scale can be set then by calling setPscale() method.\n" self.pscale = None - + def setOrient(self): """ Computes ORIENTAT from the CD matrix @@ -278,7 +278,7 @@ class HSTWCS(WCS): chip=self.chip, direction='forward', date=self.date_obs, filter1=self.filter1, filter2=self.filter2, offtab=self.offtab, binned=self.binned) - + if self.ltv1 != 0. or self.ltv2 != 0.: self.resetLTV() @@ -287,26 +287,26 @@ class HSTWCS(WCS): print 'Update header with IDC model kw requested but header was not provided\n.' else: self._updatehdr(header) - + def resetLTV(self): """ Reset LTV values for polarizer data - - The polarizer field is smaller than the detector field. - The distortion coefficients are defined for the entire - polarizer field and the LTV values are set as with subarray + + The polarizer field is smaller than the detector field. + The distortion coefficients are defined for the entire + polarizer field and the LTV values are set as with subarray data. This may also be true for other special filters. - This is a special case when the observation is considered - a subarray in terms of detector field but a full frame in + This is a special case when the observation is considered + a subarray in terms of detector field but a full frame in terms of distortion model. - To avoid shifting the distortion coefficients the LTV values + To avoid shifting the distortion coefficients the LTV values are reset to 0. """ if self.naxis1 == self.idcmodel.refpix['XSIZE'] and \ self.naxis2 == self.idcmodel.refpix['YSIZE']: self.ltv1 = 0. self.ltv2 = 0. - + def wcs2header(self, sip2hdr=False, idc2hdr=True): """ Create a pyfits.Header object from WCS keywords. @@ -329,13 +329,13 @@ class HSTWCS(WCS): else: wname = 'DEFAULT' h.update('wcsname',value=wname) - + if idc2hdr: for card in self._idc2hdr(): h.update(card.key,value=card.value,comment=card.comment) try: - del h.ascard['RESTFRQ'] - del h.ascard['RESTWAV'] + del h['RESTFRQ'] + del h['RESTWAV'] except KeyError: pass if sip2hdr and self.sip: |