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subroutine gr(switch,box,density,rx,ry,rz,g)
dimension rx(108),ry(108),rz(108),g(125)
double precision rx,ry,rz,g
double precision delg,pi,box,r22,rr,density,nid
integer ngr,ig,nhis,switch
nhis=125
delg = box/(2*nhis)
pi=3.1415926

! if (switch.eq.0)then
  ngr=0
  !delg=box/(2*nhis)
  do i=1,nhis
  g(i)=0

  enddo
! elseif (switch.eq.1)then
  ngr=ngr+1
  do i=1,107
     do j=i+1,108
    xr=rx(i)-rx(j)
        xr=xr-box*nint(xr/box)
        yr=ry(i)-ry(j)
        yr=yr-box*nint(yr/box)
        zr=rz(i)-rz(j)
        zr=zr-box*nint(zr/box)
        r22=xr*xr+yr*yr+zr*zr
        rr=sqrt(r22)
               if(rr.lt.box/2) then
                 ig=int(rr/delg)
                 g(ig)=g(ig)+2
               endif
          enddo
enddo
! elseif(switch.eq.2) then
   do i=1,nhis
      r=delg*(i+0.5)
          vb=((i+1)**3-i**3)*delg**3
          nid=(4/3)*pi*vb*density
          g(i)=g(i)/(ngr*108.0*nid)
  write(*,*) nid,r,g(i)
   enddo
!   endif
   return
   end
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ÇïÖ®ÓÞ: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2014-08-14 19:01:36
It is easy to get the RDF with VMD if you have the trajectory of  your system in XYZ format.
3Â¥2014-08-14 02:45:40
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3Â¥: Originally posted by dummy1 at 2014-08-14 02:45:40
It is easy to get the RDF with VMD if you have the trajectory of  your system in XYZ format.

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dummy1

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4Â¥: Originally posted by ÇïÖ®ÓÞ at 2014-08-14 19:01:25
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5Â¥: Originally posted by dummy1 at 2014-08-16 02:33:13
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