diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/stwcs/wcsutil/headerlet.py | 19 | ||||
| -rw-r--r-- | lib/stwcs/wcsutil/wcscorr.py | 82 |
2 files changed, 70 insertions, 31 deletions
diff --git a/lib/stwcs/wcsutil/headerlet.py b/lib/stwcs/wcsutil/headerlet.py index 814d9c4..edcd9c6 100644 --- a/lib/stwcs/wcsutil/headerlet.py +++ b/lib/stwcs/wcsutil/headerlet.py @@ -773,7 +773,8 @@ def write_headerlet(filename, hdrname, output=None, sciext='SCI', fobj.append(hdrlet_hdu) # Update the WCSCORR table with new rows from the headerlet's WCSs - wcscorr.update_wcscorr(fobj, source=hdrletobj, extname='SIPWCS') + wcscorr.update_wcscorr(fobj, source=hdrletobj, extname='SIPWCS', + wcs_id=wname) fobj.flush() else: @@ -975,13 +976,13 @@ def create_headerlet(filename, sciext='SCI', hdrname=None, destim=None, wcskey=" distname = utils.build_distname(sipname, npolfile, d2imfile) rms_ra = getHeaderKWVals(fobj[wcsext].header, - ("RMS_RA"+wcskey).rstrip(), rms_ra, default=0) + ("RMS_RA"+wcskey).rstrip(), rms_ra, default=0) rms_dec = getHeaderKWVals(fobj[wcsext].header, - ("RMS_DEC"+wcskey).rstrip(), rms_dec, default=0) + ("RMS_DEC"+wcskey).rstrip(), rms_dec, default=0) nmatch = getHeaderKWVals(fobj[wcsext].header, - ("NMATCH"+wcskey).rstrip(), nmatch, default=0) + ("NMATCH"+wcskey).rstrip(), nmatch, default=0) catalog = getHeaderKWVals(fobj[wcsext].header, - ("CATALOG"+wcskey).rstrip(), catalog, default="") + ("CATALOG"+wcskey).rstrip(), catalog, default="") # get the version of STWCS used to create the WCS of the science file. try: @@ -1055,6 +1056,14 @@ def create_headerlet(filename, sciext='SCI', hdrname=None, destim=None, wcskey=" h = hwcs.wcs2header(sip2hdr=True) if hasattr(hwcs,'orientat'): h.update('ORIENTAT',hwcs.orientat, comment=orient_comment) + h.update('RMS_RA',rms_ra, + comment='RMS in RA at ref pix of headerlet solution') + h.update('RMS_DEC',rms_dec, + comment='RMS in Dec at ref pix of headerlet solution') + h.update('NMATCH',nmatch, + comment='Number of sources used for headerlet solution') + h.update('CATALOG',catalog, + comment='Astrometric catalog used for headerlet solution') if wcskey != ' ': # Now read in specified linear WCS terms from alternate WCS diff --git a/lib/stwcs/wcsutil/wcscorr.py b/lib/stwcs/wcsutil/wcscorr.py index 3071d0d..85351e3 100644 --- a/lib/stwcs/wcsutil/wcscorr.py +++ b/lib/stwcs/wcsutil/wcscorr.py @@ -12,8 +12,8 @@ DEFAULT_WCS_KEYS = ['CRVAL1','CRVAL2','CRPIX1','CRPIX2', 'CD1_1','CD1_2','CD2_1','CD2_2', 'CTYPE1','CTYPE2','ORIENTAT'] DEFAULT_PRI_KEYS = ['HDRNAME','SIPNAME','NPOLNAME','D2IMNAME','DESCRIP'] -COL_FITSKW_DICT = {'RMS_RA':'pri.rms_ra','RMS_DEC':'pri.rms_dec', - 'NMatch':'pri.nmatch','Catalog':'pri.catalog'} +COL_FITSKW_DICT = {'RMS_RA':'sci.rms_ra','RMS_DEC':'sci.rms_dec', + 'NMatch':'sci.nmatch','Catalog':'sci.catalog'} ### ### WCSEXT table related keyword archive functions @@ -139,7 +139,8 @@ def init_wcscorr(input, force=False): wcsid = wcshdr['WCSNAME' + uwkey] # identify next empty row - rowind = find_wcscorr_row(wcsext.data, selections={'wcs_id': ''}) + rowind = find_wcscorr_row(wcsext.data, + selections={'wcs_id':['','0.0']}) rows = np.where(rowind) if len(rows[0]) > 0: rownum = np.where(rowind)[0][0] @@ -192,13 +193,26 @@ def find_wcscorr_row(wcstab, selections): icol = wcstab.field(i) if isinstance(icol,np.chararray): icol = icol.rstrip() selecti = selections[i] - if isinstance(selecti,str): selecti = selecti.rstrip() - bmask = (icol == selecti) - if mask is None: - mask = bmask.copy() + if not isinstance(selecti,list): + if isinstance(selecti,str): + selecti = selecti.rstrip() + bmask = (icol == selecti) + if mask is None: + mask = bmask.copy() + else: + mask = np.logical_and(mask,bmask) + del bmask else: - mask = np.logical_and(mask,bmask) - del bmask + for si in selecti: + if isinstance(si,str): + si = si.rstrip() + bmask = (icol == si) + if mask is None: + mask = bmask.copy() + else: + mask = np.logical_or(mask,bmask) + del bmask + return mask @@ -268,6 +282,18 @@ def update_wcscorr(dest, source=None, extname='SCI', wcs_id=None, active=True): wcs_keys = altwcs.wcskeys(source[(extname, 1)].header) wcs_keys = filter(None, wcs_keys) if ' ' not in wcs_keys: wcs_keys.append(' ') # Insure that primary WCS gets used + # apply logic for only updating WCSCORR table with specified keywords + # corresponding to the WCS with WCSNAME=wcs_id + if wcs_id is not None: + wnames = altwcs.wcsnames(source[(extname, 1)].header) + wkeys = [] + for letter in wnames: + if wnames[letter] == wcs_id: + wkeys.append(letter) + if len(wkeys) > 1: + wkeys.remove(' ') + wcs_keys = wkeys + wcshdr = stwcs.wcsutil.HSTWCS(source, ext=(extname, 1)).wcs2header() wcs_keywords = wcshdr.keys() @@ -301,6 +327,7 @@ def update_wcscorr(dest, source=None, extname='SCI', wcs_id=None, active=True): wcsname = hdr['WCSNAME' + wcs_key] else: wcsname = utils.build_default_wcsname(hdr['idctab']) + selection = {'WCS_ID': wcsname, 'EXTVER': tab_extver, 'SIPNAME':sipname, 'HDRNAME': hdrname, 'NPOLNAME': npolname, 'D2IMNAME':d2imname @@ -311,12 +338,12 @@ def update_wcscorr(dest, source=None, extname='SCI', wcs_id=None, active=True): rowind = find_wcscorr_row(old_table.data, selection) if np.any(rowind): continue - + idx += 1 wcs = stwcs.wcsutil.HSTWCS(source, ext=extn, wcskey=wcs_key) wcshdr = wcs.wcs2header() - + # Update selection column values for key, val in selection.iteritems(): if key in new_table.data.names: @@ -331,17 +358,19 @@ def update_wcscorr(dest, source=None, extname='SCI', wcs_id=None, active=True): new_table.data.field(key)[idx] = prihdr[key] # Now look for additional, non-WCS-keyword table column data for key in COL_FITSKW_DICT: - fitskw = COL_FITSKW_DICT[key] + fitkw = COL_FITSKW_DICT[key] # Interpret any 'pri.hdrname' or # 'sci.crpix1' formatted keyword names - if '.' in fitskw: - srchdr,fitskw = fitskw.split('.') + if '.' in fitkw: + srchdr,fitkw = fitkw.split('.') if 'pri' in srchdr.lower(): srchdr = prihdr - else: srchdr = wcshdr + else: srchdr = source[extn].header else: - srchdr = wcshdr - if key in srchdr: - new_table.data.field(key)[idx] = srchdr[fitskw] + srchdr = source[extn].header + + if fitkw+wcs_key in srchdr: + new_table.data.field(key)[idx] = srchdr[fitkw+wcs_key] + # If idx was never incremented, no rows were added, so there's nothing else # to do... @@ -349,7 +378,7 @@ def update_wcscorr(dest, source=None, extname='SCI', wcs_id=None, active=True): return # Now, we need to merge this into the existing table - rowind = find_wcscorr_row(old_table.data, {'wcs_id':''}) + rowind = find_wcscorr_row(old_table.data, {'wcs_id':['','0.0']}) old_nrows = np.where(rowind)[0][0] new_nrows = new_table.data.shape[0] @@ -364,12 +393,13 @@ def update_wcscorr(dest, source=None, extname='SCI', wcs_id=None, active=True): pad_rows = 0 # Now, add for name in old_table.columns.names: - # reset the default values to ones specific to the row definitions - for i in range(pad_rows): - upd_table.data.field(name)[old_nrows+i] = old_table.data.field(name)[-1] - # Now populate with values from new table - upd_table.data.field(name)[old_nrows:old_nrows + new_nrows] = \ - new_table.data.field(name) + if name in new_table.data.names: + # reset the default values to ones specific to the row definitions + for i in range(pad_rows): + upd_table.data.field(name)[old_nrows+i] = old_table.data.field(name)[-1] + # Now populate with values from new table + upd_table.data.field(name)[old_nrows:old_nrows + new_nrows] = \ + new_table.data.field(name) upd_table.header.update('TROWS', old_nrows + new_nrows) # replace old extension with newly updated table extension @@ -544,7 +574,7 @@ def delete_wcscorr_row(wcstab,selections=None,rows=None): return # identify next empty row - rowind = find_wcscorr_row(wcstab, selections={'wcs_id': ''}) + rowind = find_wcscorr_row(wcstab, selections={'wcs_id':['','0.0']}) last_blank_row = np.where(rowind)[0][-1] # copy values from blank row into user-specified rows |