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/*@@
@file CartGrid3D.F77
@date Thu Feb 18
@author Gabrielle Allen
@desc
Set up coordinates for a 3D Cartesian grid
@enddesc
@@*/
#define CARTGRID3D_DEBUG
#include "cctk.h"
#include "cctk_arguments.h"
#include "cctk_parameters.h"
subroutine CartGrid3D(CCTK_FARGUMENTS)
implicit none
DECLARE_CCTK_FARGUMENTS
DECLARE_CCTK_PARAMETERS
integer CCTK_Equals
integer iconv, i, j, k
CCTK_REAL x_origin,y_origin,z_origin
CCTK_REAL this_dx,this_dy,this_dz
CCTK_REAL xmax1,ymax1,zmax1
CCTK_REAL lower,upper,olower,oupper
c Joan was here
character*80 infoline
iconv = 2**(cctk_convlevel-1)
c --------------------------------------------------------------
c
c BYRANGE
c
c User gives: minimum and maximum values of coordinates and
c the number of gridpoints on the coarse grid
c
c --------------------------------------------------------------
if (CCTK_Equals(type,'byrange') .eq. 1) then
if (xyzmax .gt. 0) then
xmax1 = xyzmax
ymax1 = xyzmax
zmax1 = xyzmax
else
xmax1 = xmax
ymax1 = ymax
zmax1 = zmax
end if
if (CCTK_EQUALS(domain,'octant')) then
c Grid spacing on coarsest grid
if (no_origin.eq.1) then
coarse_dx = xmax/(DBLE(cctk_gsh(1))-1.5d0)
coarse_dy = ymax/(DBLE(cctk_gsh(2))-1.5d0)
coarse_dz = zmax/(DBLE(cctk_gsh(3))-1.5d0)
else
coarse_dx = xmax/(DBLE(cctk_gsh(1))-1.0d0)
coarse_dy = ymax/(DBLE(cctk_gsh(2))-1.0d0)
coarse_dz = zmax/(DBLE(cctk_gsh(3))-1.0d0)
end if
c Grid spacing on this grid
this_dx = coarse_dx/cctk_levfac(1)
this_dy = coarse_dy/cctk_levfac(2)
this_dz = coarse_dz/cctk_levfac(3)
c Minimum coordinate values on this grid
if (no_origin.eq.1) then
x_origin = (0.5-dble(cctk_nghostzones(1)))*this_dx
y_origin = (0.5-dble(cctk_nghostzones(2)))*this_dy
z_origin = (0.5-dble(cctk_nghostzones(3)))*this_dz
else
x_origin = (-dble(cctk_nghostzones(1)))*this_dx
y_origin = (-dble(cctk_nghostzones(2)))*this_dy
z_origin = (-dble(cctk_nghostzones(3)))*this_dz
end if
else if (CCTK_EQUALS(domain,'quadrant')) then
print *,"FIXME"
else if (CCTK_Equals(domain,'bitant') .eq. 1) then
print *,"FIXME"
else if (CCTK_Equals(domain,'full') .eq. 1) then
c Set minimum values of coordinates
x_origin = xmin
y_origin = ymin
z_origin = zmin
c dx,dy,dz on the coarsest grid of each GH
coarse_dx = (xmax-xmin)/max(cctk_gsh(1)-1,1)
coarse_dy = (ymax-ymin)/max(cctk_gsh(2)-1,1)
coarse_dz = (zmax-zmin)/max(cctk_gsh(3)-1,1)
end if
c dx,dy,dz on the grid we are on
this_dx = coarse_dx*iconv/cctk_levfac(1)
this_dy = coarse_dy*iconv/cctk_levfac(2)
this_dz = coarse_dz*iconv/cctk_levfac(3)
write(infoline,'(1X,A,1X,3(A,G12.7,2X))')
& 'Grid by range: Setting ','dx=>',this_dx,'dy=>',
& this_dy,'dz=>',this_dz
call CCTK_INFO(infoline)
c -----------------------------------------------------------
c
c BYSPACING
c
c User gives: grid spacing on the coarsest GH and
c the number of gridpoints on the coarsest GH
c
c -----------------------------------------------------------
else if (CCTK_Equals(type,'byspacing') .eq. 1) then
c Dx, Dy, Dx on the coarsest grid
if (dxyz .gt. 0) then
coarse_dx = dxyz
coarse_dy = dxyz
coarse_dz = dxyz
else
coarse_dx = dx
coarse_dy = dy
coarse_dz = dz
end if
c dx, dy, dz on the grid we are on
this_dx = coarse_dx*iconv/cctk_levfac(1)
this_dy = coarse_dy*iconv/cctk_levfac(2)
this_dz = coarse_dz*iconv/cctk_levfac(3)
if (CCTK_Equals(domain,'bitant') .eq. 1) then
if (no_origin.eq.1) then
x_origin = (0.5 - cctk_gsh(1)/2)*this_dx
y_origin = (0.5 - cctk_gsh(2)/2)*this_dy
z_origin = (-dble(cctk_nghostzones(3))+0.5d0)*this_dz
else
x_origin = (- cctk_gsh(1)/2)*this_dx
y_origin = (- cctk_gsh(2)/2)*this_dy
z_origin = (-dble(cctk_nghostzones(3)))*this_dz
end if
else if (CCTK_Equals(domain,'quadrant') .eq. 1) then
if (no_origin.eq.1) then
x_origin = (-dble(cctk_nghostzones(1))+0.5d0)*this_dx
y_origin = (-dble(cctk_nghostzones(2))+0.5d0)*this_dy
z_origin = (0.5D0 - cctk_gsh(3)/2)*this_dz
else
x_origin = (-dble(cctk_nghostzones(1)))*this_dx
y_origin = (-dble(cctk_nghostzones(2)))*this_dy
z_origin = (- cctk_gsh(3)/2)*this_dz
end if
else if (CCTK_Equals(domain,'octant') .eq. 1) then
if (no_origin.eq.1) then
x_origin = (-dble(cctk_nghostzones(1))+0.5d0)*this_dx
y_origin = (-dble(cctk_nghostzones(2))+0.5d0)*this_dy
z_origin = (-dble(cctk_nghostzones(3))+0.5d0)*this_dz
else
x_origin = (-dble(cctk_nghostzones(1)))*this_dx
y_origin = (-dble(cctk_nghostzones(2)))*this_dy
z_origin = (-dble(cctk_nghostzones(3)))*this_dz
end if
else if (CCTK_Equals(domain,'full').eq.1) then
if (no_origin.eq.1) then
x_origin = (0.5 - cctk_gsh(1)/2)*this_dx
y_origin = (0.5 - cctk_gsh(2)/2)*this_dy
z_origin = (0.5 - cctk_gsh(3)/2)*this_dz
else
x_origin = (- cctk_gsh(1)/2)*this_dx
y_origin = (- cctk_gsh(2)/2)*this_dy
z_origin = (- cctk_gsh(3)/2)*this_dz
end if
end if
c --------------------------------------------------------------
c
c BOX (-0.5 to 0.5)
c
c User gives: number of gridpoints on the coarse grid
c
c --------------------------------------------------------------
elseif (CCTK_Equals(type,'box') .eq. 1) then
c Coordinates are all -0.5 to 0.5
x_origin = -0.5
y_origin = -0.5
z_origin = -0.5
c dx,dy,dz on the coarsest grid of each GH
coarse_dx = 1.d0/max(cctk_gsh(1)-1,1)
coarse_dy = 1.d0/max(cctk_gsh(1)-1,1)
coarse_dz = 1.d0/max(cctk_gsh(1)-1,1)
c dx,dy,dz on the grid we are on
this_dx = coarse_dx*iconv/cctk_levfac(1)
this_dy = coarse_dy*iconv/cctk_levfac(2)
this_dz = coarse_dz*iconv/cctk_levfac(3)
c Special cases
if (cctk_gsh(1) .eq. 1) x_origin = 0.0D0
if (cctk_gsh(2) .eq. 1) y_origin = 0.0D0
if (cctk_gsh(3) .eq. 1) z_origin = 0.0D0
write(infoline,'(1X,A,1X,3(A,G9.4,1X))')
& 'Box grid: Setting ','dx=>',this_dx,'dy=>',this_dy,
& 'dz=>',this_dz
CALL CCTK_INFO(infoline)
end if
c Set spatial coordinates
c -----------------------
do i=1,cctk_lsh(1)
do j=1,cctk_lsh(2)
do k=1,cctk_lsh(3)
x(i,j,k) = this_dx*(i+cctk_lbnd(1)-1) + x_origin
y(i,j,k) = this_dy*(j+cctk_lbnd(2)-1) + y_origin
z(i,j,k) = this_dz*(k+cctk_lbnd(3)-1) + z_origin
r(i,j,k)=sqrt(x(i,j,k)**2+y(i,j,k)**2+z(i,j,k)**2)
end do
end do
end do
cctk_delta_space(1) = this_dx
cctk_delta_space(2) = this_dy
cctk_delta_space(3) = this_dz
cctk_origin_space(1) = x_origin
cctk_origin_space(2) = y_origin
cctk_origin_space(3) = z_origin
lower = x_origin
upper = x_origin+this_dx*(cctk_gsh(1)-1)
call CCTK_RegisterCoordRange(cctkGH,lower,upper,"x")
lower = y_origin
upper = y_origin+this_dy*(cctk_gsh(2)-1)
call CCTK_RegisterCoordRange(cctkGH,lower,upper,"y")
lower = z_origin
upper = z_origin+this_dz*(cctk_gsh(3)-1)
call CCTK_RegisterCoordRange(cctkGH,lower,upper,"z")
#ifdef CCTK_DEBUG
write(*,*)
write(*,*) " CartGrid3D"
write(*,*) " ----------"
write(*,100) coarse_dx,coarse_dy,coarse_dz
100 format(2X,"Dx,Dy,Dz on coarse grid ",f6.3,f6.3,f6.3)
write(*,101) cctk_delta_space(1),cctk_delta_space(2),cctk_delta_space(3)
101 format(2X,"Dx,Dy,Dz on this grid ",f6.3,f6.3,f6.3)
write(*,*) " Convergence level = ",cctk_convlevel
write(*,*) " Grid level = ",cctk_levfac(1),cctk_levfac(2),cctk_levfac(3)
write(*,102) x_origin,y_origin,z_origin
102 format(2X,"Minimum global coords ",f6.3,f6.3,f6.3)
write(*,103) x_origin+this_dx*(cctk_gsh(1)-1),
& y_origin+this_dy*(cctk_gsh(2)-1),z_origin+this_dz*(cctk_gsh(3)-1)
103 format(2X,"Maximum global coords ",f6.3,f6.3,f6.3)
write(*,104) x(1,1,1),y(1,1,1),z(1,1,1)
104 format(2X,"Minimum local coords ",f6.3,f6.3,f6.3)
write(*,105) x(cctk_lsh(1),cctk_lsh(2),cctk_lsh(3)),
& y(cctk_lsh(1),cctk_lsh(2),cctk_lsh(3)),z(cctk_lsh(1),cctk_lsh(2),cctk_lsh(3))
105 format(2X,"Maximum local coords ",f6.3,f6.3,f6.3)
#endif
end
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