merge.c 3.84 KB
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/*------------------------------------------------------------------------
 * Copyright (C) 2011 For the list of authors, see file AUTHORS.
 *
 * This file is part of SOFI3D.
 * 
 * SOFI3D is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2.0 of the License only.
 * 
 * SOFI3D is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with SOFI3D. See file COPYING and/or 
  * <http://www.gnu.org/licenses/gpl-2.0.html>.
--------------------------------------------------------------------------*/
/*------------------------------------------------------------------------
 *   merge snapshots files written by the different processes to 
 *   a single file                                 
  *
 *  ----------------------------------------------------------------------*/

#include "fd.h"


void merge(int nsnap, int type){


	extern char SNAP_FILE[STRING_SIZE];
	extern int NXG, NYG, SNAP_FORMAT, NPROCX, NPROCY, NPROCZ;
	extern int NX, NY, NZ, IDX, IDY, IDZ;
	extern FILE *FP;

	char file[STRING_SIZE], mfile[STRING_SIZE], outfile[STRING_SIZE], ext[10];
	FILE *fp[NPROCY_MAX][NPROCX_MAX][NPROCZ_MAX], *fpout;
	int i, j, k, ip, jp, kp, n;
	float a;




	if ((NPROCX>NPROCX_MAX)||(NPROCY>NPROCY_MAX)||(NPROCZ>NPROCZ_MAX))
		err(" merge.c: constant expression NPROC?_MAX < NPROC? ");

	switch(SNAP_FORMAT){
	case 1: 
		sprintf(ext,".su");
		break;
	case 2: 
		sprintf(ext,".asc");
		break;
	case 3: 
		sprintf(ext,".bin");
		break;
	}


	switch(type){
	case 1: 
	      fprintf(FP," x-component of particle velocity");
	      strcat(ext,".vx");
	      break;
      	case 2: 
	      fprintf(FP," y-component of particle velocity");
	      strcat(ext,".vy");
	      break;
      	case 3: 
	      fprintf(FP," z-component of particle velocity");
	      strcat(ext,".vz");
	      break;
      	case 4: 
	      fprintf(FP," P-wave energyfield");
	      strcat(ext,".div");
	      break;
      	case 5: 
	      fprintf(FP," S-wave energyfield");
	      strcat(ext,".curl");
	      break;
      	case 6: 
	      fprintf(FP," pressure");
	      strcat(ext,".p");
	      break;
      	default: 
	      err(" merge: cannot find snapfiles! ");
	      break;
      }

	sprintf(mfile,"%s%s",SNAP_FILE,ext);
	fprintf(FP," (files: %s.??? ).\n",mfile);

	sprintf(outfile,"%s%s",SNAP_FILE,ext);
	fprintf(FP,"\n writing merged snapshot file to  %s \n",outfile);
	fpout=fopen(outfile,"w");

	fprintf(FP," Opening snapshot files: %s.??? ",mfile);

	
	for (kp=0;kp<=NPROCZ-1; kp++)
	    for (ip=0;ip<=NPROCX-1; ip++)
   		for (jp=0;jp<=NPROCY-1; jp++){
      		sprintf(file,"%s.%i%i%i",mfile,ip,jp,kp);
      		fp[jp][ip][kp]=fopen(file,"r");
      		if (fp[jp][ip][kp]==NULL) err("merge: can't read snapfile !"); 
     	 }

	fprintf(FP," ... finished. \n");




	fprintf(FP," Copying...");

	for (n=0;n<=nsnap; n++)
   	for (kp=0;kp<=NPROCZ-1; kp++)
      	for (k=1;k<=NZ;k+=IDZ)
   	for (ip=0;ip<=NPROCX-1; ip++)
      	for (i=1;i<=NX;i+=IDX)
	for (jp=0;jp<=NPROCY-1; jp++)
	for (j=1;j<=NY;j+=IDY){
	     a=readdsk(fp[jp][ip][kp],SNAP_FORMAT);
	     writedsk(fpout,a,SNAP_FORMAT);
	 }


	fprintf(FP," ... finished. \n");

	for (kp=0;kp<=NPROCZ-1; kp++)
	for (ip=0;ip<=NPROCX-1; ip++)
   	for (jp=0;jp<=NPROCY-1; jp++){
      		fclose(fp[jp][ip][kp]);
      	}

	fclose(fpout);

	if (SNAP_FORMAT==3){
		fprintf(FP," Use \n");
		fprintf(FP," xmovie n1=%d n2=%d < %s loop=1 label1=Y label2=X title=%%g \n",
			((NYG-1)/IDY)+1,((NXG-1)/IDY)+1,outfile);
		fprintf(FP," to play movie. \n");
		fprintf(FP," ==============================================================\n");
	}


}