Logo Search packages:      
Sourcecode: h5utils version File versions

h5totxt.c

/* Copyright (c) 2004 Massachusetts Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <unistd.h>

#include "config.h"
#include "arrayh5.h"
#include "copyright.h"
#include "h5utils.h"

#define CHECK(cond, msg) { if (!(cond)) { fprintf(stderr, "h5totxt error: %s\n", msg); exit(EXIT_FAILURE); } }

void usage(FILE *f)
{
     fprintf(f, "Usage: h5totxt [options] [<filenames>]\n"
           "Options:\n"
           "         -h : this help message\n"
             "         -V : print version number and copyright\n"
           "         -v : verbose output\n"
           "   -s <sep> : use <sep> to separate columns [ default: \",\" ]\n"
           "  -o <file> : output to <file> (first input file only)\n"
           "    -x <ix> : take x=<ix> slice of data\n"
           "    -y <iy> : take y=<iy> slice of data\n"
           "    -z <iz> : take z=<iz> slice of data\n"
           "    -t <it> : take t=<it> slice of data's last dimension\n"
           "         -0 : use dataset center as origin for -x/-y/-z\n"
           "         -T : transpose the data [default: no]\n"
           "     -. <n> : output <n> decimal places [ default: 16 ]\n"
           "  -d <name> : use dataset <name> in the input files (default: first dataset)\n"
           "              -- you can also specify a dataset via <filename>:<name>\n"
        );
}

int main(int argc, char **argv)
{
     arrayh5 a;
     char *txt_fname = NULL, *data_name = NULL;
     extern char *optarg;
     extern int optind;
     int c;
     int slicedim[4] = {NO_SLICE_DIM,NO_SLICE_DIM,NO_SLICE_DIM,NO_SLICE_DIM};
     int islice[4], center_slice[4] = {0,0,0,0};
     int err;
     int nx, ny, nz;
     int dec = 16;
     int verbose = 0;
     int transpose = 0;
     char *sep;
     int ifile;

     sep = my_strdup(",");

     while ((c = getopt(argc, argv, "ho:x:y:z:t:0ad:vTs:.:V")) != -1)
        switch (c) {
            case 'h':
               usage(stdout);
               return EXIT_SUCCESS;
            case 'V':
               printf("h5totxt " PACKAGE_VERSION " by Steven G. Johnson\n" 
                    COPYRIGHT);
               return EXIT_SUCCESS;
            case 'v':
               verbose = 1;
               break;
              case '0':
                   center_slice[0] = center_slice[1] = center_slice[2] = 1;
                   break;
            case 'T':
               transpose = 1;
               break;
            case 'o':
               free(txt_fname);
                   txt_fname = my_strdup(optarg);
                   break;
            case 's':
               free(sep);
               sep = my_strdup(optarg);
               break;
            case 'd':
               free(data_name);
               data_name = my_strdup(optarg);
               break;            
            case '.':
               dec = atoi(optarg);
               break;
            case 'x':
               islice[0] = atoi(optarg);
               slicedim[0] = 0;
               break;
            case 'y':
               islice[1] = atoi(optarg);
               slicedim[1] = 1;
               break;
            case 'z':
               islice[2] = atoi(optarg);
               slicedim[2] = 2;
               break;
            case 't':
               islice[3] = atoi(optarg);
               slicedim[3] = LAST_SLICE_DIM;
               break;
            case 'a':
               slicedim[0] = slicedim[1] = slicedim[2] = slicedim[3]
                  = NO_SLICE_DIM;
               break;
            default:
               fprintf(stderr, "Invalid argument -%c\n", c);
               usage(stderr);
               return EXIT_FAILURE;
        }
     if (optind == argc) {  /* no parameters left */
        usage(stderr);
        return EXIT_FAILURE;
     }

     for (ifile = optind; ifile < argc; ++ifile) {
        char *dname, *h5_fname;
        h5_fname = split_fname(argv[ifile], &dname);
        if (!dname[0])
             dname = data_name;

        if (verbose) {
             int i;
             printf("reading from \"%s\"", h5_fname);
             for (i = 0; i < 4; ++i)
                if (slicedim[i] != NO_SLICE_DIM)
                   printf(", slice at %d in %c dimension", islice[i], 
                        slicedim[i] == LAST_SLICE_DIM ? 't' 
                        : slicedim[i] + 'x');
             printf(".\n");
        }
        
        err = arrayh5_read(&a, h5_fname, dname, NULL,
                       4, slicedim, islice, center_slice);
        CHECK(!err, arrayh5_read_strerror[err]);

        if (transpose)
             arrayh5_transpose(&a);

        {
             double a_min, a_max;
             arrayh5_getrange(a, &a_min, &a_max);
             if (verbose)
                printf("data ranges from %.*g to %.*g.\n",
                     dec, a_min, dec, a_max);
        }
        
        nx = a.rank < 1 ? 1 : a.dims[0];
        ny = a.rank < 2 ? 1 : a.dims[1];
        nz = a.rank < 3 ? 1 : a.dims[2];
        
        if (verbose && a.rank <= 3)
             printf("writing %s from %dx%dx%d input data.\n",
                  txt_fname ? txt_fname : "to stdout", nx, ny, nz);

        {
             FILE *f;
             int i, j, k;

             if (txt_fname) {
                f = fopen(txt_fname, "w");
                CHECK(f, "error creating file");
             }
             else
                f = stdout;
             
             if (a.rank < 3)
                for (i = 0; i < nx; ++i) {
                   if (ny > 0)
                        fprintf(f, "%.*g", dec, a.data[i*ny + 0]);
                   for (j = 1; j < ny; ++j)
                        fprintf(f, "%s%.*g", sep, dec, a.data[i*ny + j]);
                   fprintf(f, "\n");
                }
             else if (a.rank == 3)
                for (i = 0; i < nx; ++i) {
                   if (i > 0)
                        fprintf(f, "\n");
                   for (j = 0; j < ny; ++j) {
                        int ij = nz * (ny * i + j);
                        if (nz > 0)
                           fprintf(f, "%.*g", dec, a.data[ij + 0]);
                        for (k = 1; k < nz; ++k)
                           fprintf(f, "%s%.*g",
                                 sep, dec, a.data[ij + k]);
                        fprintf(f, "\n");
                   }
                }
             else {
                if (a.N > 0)
                   fprintf(f, "%.*g", dec, a.data[0]);
                for (i = 0; i < a.N; ++i) {
                   fprintf(f, "%s%.*g", sep, dec, a.data[i]);
                }
                fprintf(f, "\n");
             }

             if (txt_fname)
                fclose(f);
        }

        arrayh5_destroy(a);
        if (txt_fname)
             free(txt_fname);
        txt_fname = NULL;
        free(h5_fname);
     }
     free(sep);
     free(data_name);

     return EXIT_SUCCESS;
}

Generated by  Doxygen 1.6.0   Back to index