[daip] image manipulation

Eric Greisen egreisen at nrao.edu
Thu Jan 19 16:27:45 EST 2017


On 01/19/2017 12:08 PM, bob at physics.ucdavis.edu wrote:
> I have 3d line images where some channels are badly affected
> by sidelobes. ideally i would use something like maths to
> operate on the bad channel only but create a new image with
> all the channels (maths only writes the changed pixels into
> the new image). is there such a task? if not, is there a task
> which would let me selectively blank out a channel?
>
> thanks
>
> bob
>

I start by asking if they are really sidelobes, why did you not Clean?

The task you may want is BLANK I think.  Alternatively. you could split 
each plane of the cube out, delete the really bad ones, and re-run 
MCUBE.  It is now forgiving about missing planes.

Eric



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