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NRAO Home > CASA > CASA Toolkit Reference Manual |
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image.rotatebeam - Function
1.1.1 rotate the image’s beam(s) counterclockwise through the specified angle.
Description
This method rotates the attached image’s beam(s) counterclockwise through
the specified angle. This is the same thing as increasing the position angle(s)
of the beam(s) by the specified angle. If the image does not have a beam, no
changes to the image are made. If the image has multiple beams, all the beams
are rotated through the same angle.
Arguments
Inputs |
| ||
angle |
| Angle by which to rotate image’s beam(s). Default is no
rotation.
| |
| allowed: | any |
|
| Default: | variant 0deg |
|
bool
Example
# rotate any and all beams in the image (increase their position angles) by 30 degrees.
ia.open("my.im")
ia.rotatebeam("30deg")
ia.done()
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