If a
WCS exists, then nWcsCode is returned
as WCS Code in the table below.CImage:GetWcsType
The GetWcsType method returns an integer code for the type of world coordinate system ("WCS") calibration used by the image. The specific WCS projection type is returned by the GetWcsProj method.
nWcsCode = CImage:GetWcsType()
If a
WCS exists, then nWcsCode is returned
as WCS Code in the table below.
If
no WCS exists, then 0 is returned.
The WCS Code returned by this method is defined in the following table. The WCS Type is defined in the FITS Format.
|
WCS Code |
WCS Type |
|
0 |
Pixel. This is the default if no WCS calibration exists. |
|
1 |
Linear |
|
2 |
Cartesian |
|
3 |
Equatorial (or celestial) |
Subpixel Coordinate Definition
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