If the system is Cd6Se6, then X is Cd6Se6. X refers to the calculated particle/molecule.<br><br><div class="gmail_quote">On Thu, Feb 28, 2013 at 10:35 AM, Paolo Giannozzi <span dir="ltr"><<a href="mailto:giannozz@democritos.it" target="_blank">giannozz@democritos.it</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On Wed, 2013-02-27 at 16:54 -0500, Ruibin Liu wrote:<br>
<br>
> Thanks for replying. X.rho.dat refers to the generated charge density<br>
> file for X.<br>
<br>
</div>who is X?<br>
<div class="im"><br>
> For the first question, do you mean that if I set 'fast3d' to .false.<br>
> and recompile it, the code will perform interpolation?<br>
<br>
</div>I mean that if you look how it is defined, you understand how it works.<br>
Do not forget that interpolation on a 3d grid is extremely slow if done<br>
via (slow) Fourier transform<br>
<br>
P.<br>
<div><div class="h5">><br>
> Best,<br>
> Ruibin<br>
><br>
> On Wed, Feb 27, 2013 at 4:21 PM, Paolo Giannozzi<br>
> <<a href="mailto:giannozz@democritos.it">giannozz@democritos.it</a>> wrote:<br>
> On Tuesday 26 February 2013 22:52, Ruibin Liu wrote:<br>
><br>
> > In pp.x, if plot_num=0, we can get the total charge density<br>
> data, and if we<br>
> > set output_format to be 3, it seems that we can also set the<br>
> density of<br>
> > meshgrid as described by the Document for PP. However,<br>
> whatever I change<br>
> > the nx, ny and nz numbers to be, the density of meshgrid<br>
> won't change.<br>
><br>
><br>
> the code performs interpolation in three dimensions only if<br>
> there is<br>
> no other possibility. See variable "fast3d" in<br>
> PP/src/hdens.f90. If it is<br>
> set to .true., the original FFT mesh is used.<br>
><br>
> > Another question is how the charge density data is arrayed<br>
> in the<br>
> > X.rho.dat?<br>
><br>
><br>
> which file are you referring to?<br>
><br>
> --<br>
> Paolo Giannozzi, IOM-Democritos and DCFA, UniUD<br>
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><br>
><br>
><br>
> --<br>
> Liu, Ruibin<br>
> Department of Chemistry<br>
><br>
> Duke University<br>
> Durham, NC, 27708<br>
><br>
><br>
><br>
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--<br>
</div></div>Paolo Giannozzi, IOM-Democritos and University of Udine, Italy<br>
<div class="HOEnZb"><div class="h5"><br>
<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><font><b style="font-family:comic sans ms,sans-serif;color:rgb(51,51,255);background-color:rgb(204,255,255)">Liu, Ruibin</b></font><div style="color:rgb(51,102,255);background-color:rgb(204,255,255);font-family:trebuchet ms,sans-serif">
<font>Department of Chemistry<br></font></div><div style="color:rgb(51,102,255);background-color:rgb(204,255,255);font-family:trebuchet ms,sans-serif"><font>Duke University<br>Durham, NC, 27708<br></font></div><br>