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#include "cctk.h"
#include "cctk_Parameters.h"
#include "CactusBase/IOUtil/src/ioutil_AdvertisedFiles.h"
#include "IOJpeg.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
/* local function prototypes */
int IOJpeg_NumDirection(int sdim, int vdim);
int IOJpeg_SetDirection(int vdim, int sdim, int ci, int *direction);
static int **advertised;
int IOJpeg_Write2D (cGH *GH, int index, const char *alias)
{
DECLARE_CCTK_PARAMETERS
int timelevel;
IOJpegGH *ssGH;
IOJpegGeo_t geo;
FILE **fdset_2D; /* array of output file pointers */
int SDIM;
int si,max_slabs;
int ierr=0;
/* Get the handle for IO extensions */
ssGH = (IOJpegGH *) GH->extensions [CCTK_GHExtensionHandle ("IOJpeg")];
/* The dimension of the slab - HARDCODED */
SDIM = 2;
/* Get the slab geometry for 2D slabs */
geo = ssGH->out_geo[index][SDIM];
/* Set geo.sdim to announce 2D output */
geo.sdim = SDIM;
/* get the dimension of the variable */
geo.vdim = CCTK_GroupDimFromVarI(index);
if (!CCTK_Equals(verbose,"no"))
CCTK_VInfo (CCTK_THORNSTRING, "IOJpeg %dD-output of variable '%s', "
"downsampling parameters (%d, %d, %d)", SDIM, alias,
geo.downs[0], geo.downs [1], geo.downs [2]);
/* get the current timelevel */
timelevel = CCTK_NumTimeLevelsFromVarI (index) - 1;
if (timelevel > 0)
timelevel--;
/* Maximal number of slabs (dimension sdim) in
given volume (dimension vdim) */
if ((max_slabs=IOJpeg_NumDirection(SDIM, geo.vdim))<0)
{
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot get valid number of slabs (%d) for given volume (%d).\n",
SDIM, geo.vdim);
return(-1);
}
/* see if output file for this alias name was already created */
fdset_2D = (FILE **) GetNamedData (ssGH->fileList_2D, alias);
{
char *fname;
if (!fdset_2D)
{
fdset_2D = (FILE **) malloc (max_slabs * sizeof (FILE *));
}
fname = (char *) malloc ((strlen (ssGH->outdir2D) +
strlen (alias) + 20)*sizeof(char));
/* Set flags for remembering if files have been advertised */
if (!advertised)
{
int i;
advertised = (int **)malloc(max_slabs*sizeof(int *));
for (si=0;si<max_slabs;si++)
{
advertised[si] = (int *)malloc(CCTK_NumVars()*sizeof(int));
for (i=0;i<CCTK_NumVars();i++)
{
advertised[si][i] = 0;
}
}
}
/* Loop over all possible choices */
for (si=0;si<max_slabs;si++) {
/* Get the next set of slab directions */
if (IOJpeg_SetDirection(geo.vdim, SDIM, si, geo.direction)<0) {
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot set direction for slab (#%d) in given volume (%d).\n",
si, geo.vdim);
continue;
}
/* **********************************************
File open procedures which are more complex,
like for HDF5 can go here and you would pass
the file ID through to DumpVar. He we set fid=1
for proc0 and make it available as a flag
********************************************** */
if (CCTK_MyProc (GH) == 0)
{
ioAdvertisedFileDesc advertised_file;
const char *extensions [3] = {"yz", "xz", "xy"};
if (CCTK_Equals(mode,"remove"))
{
sprintf (fname, "%s/%s_2d_%s.jpeg", ssGH->outdir2D,alias,
extensions [si]);
}
else
{
sprintf (fname, "%s/%s_2d_%s.%d.jpeg", ssGH->outdir2D,alias,
extensions [si],GH->cctk_iteration);
}
fdset_2D [si] = fopen (fname, "w");
if (! fdset_2D [si])
{
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"Cannot open 2D output file '%s'", fname);
return (-1);
}
/* advertise the file for downloading */
if (CCTK_Equals(mode,"remove") && advertised[si][index]==0)
{
advertised_file.slice = (char *) extensions [si];
advertised_file.thorn = CCTK_THORNSTRING;
advertised_file.varname = CCTK_FullName (index);
advertised_file.description = "Jpegs of slices";
advertised_file.mimetype = "image/jpeg";
IOUtil_AdvertiseFile (GH, fname, &advertised_file);
advertised[si][index] = 1;
free (advertised_file.varname);
}
}
/* store file desriptors in database */
StoreNamedData (&ssGH->fileList_2D, alias, fdset_2D);
/* **********************************************
The call to the actual data collection and
lowlevel output routine.
********************************************** */
ierr = IOJpeg_DumpVar(GH, index, timelevel, &geo, fdset_2D[si]);
if (ierr<0) CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOJpeg_DumpVar failed for GF index: %d\n",
index);
/* **********************************************
File close procedures which are more complex,
like for HDF5 can go here.
********************************************** */
/* Close the file */
fclose (fdset_2D [si]);
}
free(fname);
}
return(ierr);
}
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