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regionmanager.selectedchannels - Function

1.1.2 Get an array of zero-based selected channel numbers from an input string specificaiton.


Description

This method returns all the selected zero-based channel numbers from the specified string within the image.

Arguments





Inputs

specification

Valid channel specification. See help par.chans for examples.

allowed:

string

Default:

shape

Image shape. Used to determine if the specificaiton lies outside the image.

allowed:

intArray

Default:

0

Returns
intArray

Example

 
        ia.fromshape("",[20,20,20])  
        rg.setcoordinates(ia.coordsys().torecord())  
        selected_channels = rg.selectedchannels(specification="range=[40km/s,50km/s]", shape=ia.shape())  
        ia.done()  

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