| AHELP for CIAO 4.2 | copy_transform |
Context: sl.transform |
Synopsis
Copy the transform.
Syntax
copy_transform(transform);
Description
- transform - input Transform object
The copy_transform command generates a complete copy of the provided transform.
Example
slsh> cr = read_file("evt2.fits");
slsh> trans = get_transform(cr, "MSC");
slsh> t2 = copy_transform(trans);
slsh> py_call(t2.print_parameter_list);
Name: CRPIX Type: dmDOUBLE Value: 4096.500000, 4096.500000 Desc:
Reference Point Pixel Coordinates Parent: MSC
Name: CRVAL Type: dmDOUBLE Value: 0.000000, 0.000000 Desc: Center
Coordinate in decimal degrees Parent: MSC
Name: CDELT Type: dmDOUBLE Value: 0.000137, 0.000137 Desc: Transform
Scale in degrees/pixel Parent: MSC
Name: CROTA Type: dmDOUBLE Value: 0.000000 Desc: Rotation Angle Parent:
MSC
Name: EQUINOX Type: dmSHORT Value: 2000 Desc: Equinox of Coordinates
Parent: MSC
Name: EPOCH Type: dmDOUBLE Value: 2000.000000 Desc: Epoch of
Coordinates Parent: MSCCopy the "MSC" transform from the file evt2.fits to "t2".
The "py_call" command is used to call a Python command from slsh because there isn't a method to retrieve low-level functions in S-Lang.
Bugs
See the bug pages on the CIAO website for an up-to-date listing of known bugs.
See Also
- sl.transform
- apply_transform, get_transform_type
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