diff options
| -rw-r--r-- | wcsutil/hstwcs.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/wcsutil/hstwcs.py b/wcsutil/hstwcs.py index 62b8e48..f3731b5 100644 --- a/wcsutil/hstwcs.py +++ b/wcsutil/hstwcs.py @@ -177,6 +177,13 @@ class HSTWCS(WCS): cd22 = self.wcs.cd[1][1] self.orientat = RADTODEG(np.arctan2(cd12,cd22)) + def updatePscale(self, scale): + """ + Updates the CD matrix with a new plate scale + """ + self.wcs.cd = self.wcs.cd/self.pscale*scale + self.setPscale() + def readModel(self, update=False, header=None): """ Reads distortion model from IDCTAB. |