On 30/05/14 00:17, George Devaniranjan wrote:
Thank you for your reply, Dale.
Let me rephrase the question:
Essentially I want to use COOT's Calculate-->map sharpening

OK, so you know how to do that, I presume....

but only use the backbone atoms in the process.

So mask out the other atoms:

Extensions -> Maps... -> Mask Map by Atom Selection -> [Choose] OK -> Atom selection entry: //*//CA,C,N,O

Click "invert?" button

Press "Mask Map"

Extensions -> Maps... -> Export Map, if you want to save it.

Paul.

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