diff options
Diffstat (limited to 'updatewcs/dgeo.py')
| -rw-r--r-- | updatewcs/dgeo.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/updatewcs/dgeo.py b/updatewcs/dgeo.py index b430fd6..63d5f52 100644 --- a/updatewcs/dgeo.py +++ b/updatewcs/dgeo.py @@ -251,8 +251,10 @@ class DGEOCorr(object): for i in range(1, naxis+1): si = str(i) kw_val1['NAXIS'+si] = npol_header.get('NAXIS'+si) - kw_val1['CRPIX'+si] = (kw_val1['NAXIS'+si]-1)/2. - kw_val1['CDELT'+si] = float(npol_header.get('ONAXIS'+si))/ ((kw_val1['NAXIS'+si]-1) * binned) + cdelt = (float(npol_header.get('ONAXIS'+si))/ ((kw_val1['NAXIS'+si]-1) * binned)) + kw_val1['CDELT'+si] = cdelt + if cdelt == 0: cdelt = 1.0 + kw_val1['CRPIX'+si] = (kw_val1['NAXIS'+si]-1)/2. + 1/cdelt kw_val1['CRVAL'+si] = (npol_header.get('ONAXIS'+si)/2. + \ sciheader.get('LTV'+si, 0.)) / binned |