Dear Paolo? and Guido;

?Thank you very much for the replies, I have checked the archives and I can't 
understand the method of defining boxes for the LDOS, also the explanation 
given in the input of pw.x run is not enough for me.
I want to calculate the local density of states (LDOS) projected on a vacancy 
which is choosen to be located at the center of my supercell. My question 
is how we can define the volume surrounding the vacancy (example a sphere of 
raduis = xA?) containing
 the points of the FFT grid included with irmin and irmax?
Here, the input quantities are irmin and irmax which range from 1 to nr1, nr2 
or nr3. How we can manipulate them?
Best Regard.
Jamil.
__________________________________

Jamil MISSAOUI,
PhD Student,


Faculty of Sciences of Tunis
University of Manar

Tunis, Tunisie.
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