/*****************************************************************************
-** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
-**
-** $Id: ctrec.cpp,v 1.3 2000/06/07 10:12:05 kevin Exp $
-** $Log: ctrec.cpp,v $
-** Revision 1.3 2000/06/07 10:12:05 kevin
-** Upgraded from MPI to MPI++
-**
-** Revision 1.2 2000/06/07 07:43:19 kevin
-** Converted to IF data files and C++
-**
-** Revision 1.1 2000/06/07 02:29:05 kevin
-** Initial C++ versions
-**
-** Revision 1.13 2000/06/05 01:33:25 kevin
-** BSpline changes
-**
-** Revision 1.12 2000/05/24 22:50:04 kevin
-** Added support for new SGP library
-**
-** Revision 1.11 2000/05/16 04:33:59 kevin
-** Improved option processing
-**
-** Revision 1.10 2000/05/11 01:06:30 kevin
-** Changed sprintf to snprintf
-**
-** Revision 1.9 2000/05/08 20:02:32 kevin
-** ANSI C changes
-**
-** Revision 1.8 2000/05/04 18:16:34 kevin
-** renamed filter definitions
-**
-** Revision 1.7 2000/05/03 08:49:50 kevin
-** Code cleanup
-**
-** Revision 1.6 2000/05/02 15:31:47 kevin
-** code cleaning
+** FILE IDENTIFICATION
**
-** Revision 1.5 2000/04/30 11:41:06 kevin
-** Cleaned up debugging code
-**
-** Revision 1.4 2000/04/30 10:13:27 kevin
-** Fixed MPI bugs
-**
-** Revision 1.3 2000/04/30 04:06:13 kevin
-** Update Raysum i/o routines
-** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
-**
-** Revision 1.2 2000/04/29 23:24:56 kevin
-** *** empty log message ***
-**
-** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
-** Initial CVS import for first public release
+** Name: ctrec.cpp
+** Purpose: Reconstruct an image from projections
+** Programmer: Kevin Rosenberg
+** Date Started: Aug 1984
**
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
**
+** $Id: ctrec.cpp,v 1.4 2000/06/08 16:43:10 kevin Exp $
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
******************************************************************************/
-/* FILE
- * ctrec.c Reconstruct an image from raysums
- *
- * DATE
- * Aug 84
- * Jul 99 -- Converted to ANSI C
- * Added MPI parallel processing
- */
-
#include "ct.h"
enum {O_INTERP, O_FILTER, O_FILTER_PARAM, O_BACKPROJ, O_VERBOSE, O_TRACE, O_HELP, O_DEBUG, O_VERSION};
im_global = new ImageFile (im_filename, nx, ny);
im_global->adf.fileCreate();
}
- im_local = new ImageFile (nx, ny);
+ im_local = new ImageFile (nx, ny);
#else
rs_global = raysum_open (rs_name);
raysum_read (rs_global);
im_global = new ImageFile (im_filename, nx, ny);
im_global->adf.fileCreate();
-
#endif
#ifdef HAVE_MPI
mpi_t1 = MPI::Wtime();
proj_reconst (*im_local, rs_local, opt_filter, opt_filter_param,
opt_interp, opt_interp_param, opt_backproj, opt_trace);
+
mpi_t2 = MPI::Wtime();
mpi_t = mpi_t2 - mpi_t1;
mpi_ct.comm.Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0);
int nxLocal = im_local->adf.nx();
int nyLocal = im_local->adf.ny();
ImageFileArray vLocal = im_local->getArray();
- ImageFileArray vGlobal = im_global->getArray();
+ ImageFileArray vGlobal = NULL;
+ if (mpi_ct.my_rank == 0)
+ vGlobal = im_global->getArray();
for (int ix = 0; ix < nxLocal; ix++) {
void *recvbuf = NULL;
if (mpi_ct.my_rank == 0)
recvbuf = vGlobal[ix];
- mpi_ct.comm.Reduce(vLocal[ix], recvbuf, nyLocal, MPI::FLOAT, MPI::SUM, 0);
+ mpi_ct.comm.Reduce(vLocal[ix], recvbuf, nyLocal, im_local->getMPIDataType(), MPI::SUM, 0);
}
if (opt_verbose) {