NRAO Home > CASA > CASA Toolkit Reference Manual
imager.updateresidual - Function

2.3.1 Calculate the residual and restored images with new modified model, component list,


Description

This function is for efficiency and speed purpose only. Same as restore It is to be used after you have used clean or mem ...but you wish to tweak the model image, say by clipping unwanted components and it will avoid unnecessary recalculating of psf but will do a proper prediction of the new model visibilities and recalculate residual and restored images.

Arguments





Inputs

model

Names of input model

allowed:

stringArray

Default:

complist

Name of component list

allowed:

string

Default:

image

Names of output restored images

allowed:

stringArray

Default:

residual

Names of residual images

allowed:

stringArray

Default:

Returns
bool

Example

 
 
- im.setbeam(bmaj=’2.0arcsec’, bmin=’2.0arcsec’)  
- im.restore(model=’3C273XC1.clean’, image=’3C273XC1.clean.restored’,  
 

__________________________________________________________________


More information about CASA may be found at the CASA web page

Copyright 2016 Associated Universities Inc., Washington, D.C.

This code is available under the terms of the GNU General Public Lincense


Home | Contact Us | Directories | Site Map | Help | Privacy Policy | Search