WCSBase¶
-
class
astropy.wcs.
WCSBase
(*sip, cpdis, wcsprm, det2im*)¶ Bases:
object
Wcs objects amalgamate basic WCS (as provided by wcslib), with SIP and distortion paper operations.
To perform all distortion corrections and WCS transformation, use
all_pix2world
.- Parameters
- sip
Sip
object orNone
- cpdisA pair of
DistortionLookupTable
objects, or (None, None)
.- wcsprm
Wcsprm
object - det2imA pair of
DistortionLookupTable
objects, or (None, None)
.
- sip
Attributes Summary
A
DistortionLookupTable
object for detector to image plane correction in the x-axis.A
DistortionLookupTable
object for detector to image plane correction in the y-axis.Get/set the
Sip
object for performing SIP distortion correction.A
Wcsprm
object to perform the basic wcslib WCS transformation.Attributes Documentation
-
cpdis1
¶ -
The pre-linear transformation distortion lookup table,
CPDIS1
.
-
cpdis2
¶ -
The pre-linear transformation distortion lookup table,
CPDIS2
.
-
det2im1
¶ A
DistortionLookupTable
object for detector to image plane correction in the x-axis.
-
det2im2
¶ A
DistortionLookupTable
object for detector to image plane correction in the y-axis.