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
- cpdis : A pair of
DistortionLookupTable
objects, or (None, None)
.- wcsprm :
Wcsprm
object - det2im : A pair of
DistortionLookupTable
objects, or (None, None)
.
Attributes Summary
cpdis1
DistortionLookupTable
cpdis2
DistortionLookupTable
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.sip
Get/set the Sip
object for performing SIP distortion correction.wcs
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.
- sip :