diff options
Diffstat (limited to 'hstwcs')
| -rw-r--r-- | hstwcs/makewcs.py | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/hstwcs/makewcs.py b/hstwcs/makewcs.py index 809daab..1bfcedd 100644 --- a/hstwcs/makewcs.py +++ b/hstwcs/makewcs.py @@ -63,10 +63,9 @@ class MakeWCS(object): offshiftx, offshifty = offsh[0], offsh[1] ltv1 = ext_wcs.ltv1 ltv2 = ext_wcs.ltv2 - if ltv1 != 0. or ltv2 != 0.: - offsetx = backup_wcs['CRPIX1'] - ltv1 - ext_wcs.idcmodel.refpix['XREF'] - offsety = backup_wcs['CRPIX2'] - ltv2 - ext_wcs.idcmodel.refpix['YREF'] + offsetx = ext_wcs.wcs.crpix[0] - ltv1 - ext_wcs.idcmodel.refpix['XREF'] + offsety = ext_wcs.wcs.crpix[1] - ltv2 - ext_wcs.idcmodel.refpix['YREF'] fx,fy = ext_wcs.idcmodel.shift(ext_wcs.idcmodel.cx,ext_wcs.idcmodel.cy,offsetx,offsety) else: fx, fy = ext_wcs.idcmodel.cx, ext_wcs.idcmodel.cy |