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image.restoringbeam - Function



Package general
Module images
Tool image


Get the restoringbeam


Synopsis
restoringbeam()


Returns
Glish record or fail


Description

This function (short-hand name rb) gets the restoring beam, if any. It is returned in a Glish record with fields 'major', 'minor' and 'postionangle'. Each of these fields contains a quantity. If there is no restoring beam, this function returds an empty record.

You can set the restoring beam with function setrestoringbeam.



Example
- im := image('hcn')      
- im.restoringbeam()
[major=[value=35, unit=arcsec], 
 minor=[value=13, unit=arcsec], 
 positionangle=[value=80, unit=deg]]





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