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telemac-parse.c
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telemac-parse.c
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/******************************************************************************
telemac-parse - part of tawe-telemac-utils
Copyright (C) 2016 Thomas Lake
This program 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; either version 2
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
*******************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <libgen.h>
#include <stdbool.h>
#include <unistd.h>
#include "telemac-loader.h"
/*!
* @file
* @brief Parse TELEMAC results data into a series of flat files
*
* Reads a SELAFIN file and writes data to a series of files in ASCII or binary format.
*
* Returns zero on success and non-zero if an error occurs
*/
int main (int argc, char** argv) {
FILE *resfile =NULL;
char *filename = NULL;
char *basefilename = NULL;
char *outputdir = ".";
bool verbose = false;
bool binaryout = false;
char *usage = "%s [-v] [-b] [-o dir] <filename>\n\t-v\tVerbose output\n\t-b\tEnable binary output of variable data\n\t-o\tOutput directory\n";
opterr = 0;
int go = 0;
while ((go = getopt(argc, argv, "vbo:")) != -1) {
switch (go) {
case 'v':
verbose = true;
break;
case 'b':
binaryout = true;
break;
case 'o':
outputdir = strdup(optarg);
break;
case '?':
fprintf(stderr, "Unrecognised option '-%c'\n", optopt);
fprintf(stderr, usage, argv[0]);
return EXIT_FAILURE;
}
}
if (argc - optind != 1) {
fprintf(stderr, "Must provide a file to convert\n");
fprintf(stderr, usage, argv[0]);
return EXIT_FAILURE;
}
filename = argv[optind];
resfile = fopen(filename, "rb");
if (resfile == NULL) {
perror("Unable to open file");
return EXIT_FAILURE;
}
resfile_t rfs = {resfile, 0, 0, 0};
asprintf(&basefilename, "%s/%s", outputdir, basename(filename));
fprintf(stdout, "\nOpening OpenTelemac RES file %s:\n", basefilename);
int rval = open_telemac(&rfs, verbose);
telemac_data_t results = rfs.tmdat;
fprintf(stdout, "open_telemac call returned %d\n", rval);
FILE *xfile, *yfile, *connfile, *varfile, *datafile, *tsfile;
char *xfilename, *yfilename, *connfilename, *varfilename, *datafilename, *tsfilename;
if (verbose) {
fprintf(stdout, "Writing out coordinates...\n");
}
asprintf(&xfilename, "%s.x.txt", basefilename);
xfile = fopen(xfilename, "w+");
if (xfile == NULL) {
perror("Unable to open X output file");
return EXIT_FAILURE;
}
asprintf(&yfilename, "%s.y.txt", basefilename);
yfile = fopen(yfilename, "w+");
if (yfile == NULL) {
perror("Unable to open Y output file");
return EXIT_FAILURE;
}
fprintf(xfile, "%d\n", results.npoin);
fprintf(yfile, "%d\n", results.npoin);
for (int i=0; i<results.npoin; i++) {
fprintf(xfile,"%d\t%.10f\n", i, results.X[i]);
fprintf(yfile,"%d\t%.10f\n", i, results.Y[i]);
}
free(xfilename);
free(yfilename);
fclose(xfile);
fclose(yfile);
if (verbose) {
fprintf(stdout, "Writing out connectivity...\n");
}
asprintf(&connfilename, "%s.conn.txt", basefilename);
connfile = fopen(connfilename, "w+");
if (connfile == NULL) {
perror("Unable to open connectivity output file");
return EXIT_FAILURE;
}
fprintf(connfile, "%d\t%d\n", results.nelem, results.ndp);
for (int e=0; e<results.nelem; e++) {
for (int j=0; j<results.ndp; j++) {
/* Seems to work fine for 2D and 3D despite the line in the manual RE: array shape*/
fprintf(connfile, "%d\t%d\n", e, results.ikle[(e*results.ndp)+j]-1);
}
}
free(connfilename);
fclose(connfile);
if (verbose) {
fprintf(stdout, "Writing out variable names...\n");
}
asprintf(&varfilename, "%s.vars.txt", basefilename);
varfile = fopen(varfilename, "w+");
if (varfile == NULL) {
perror("Unable to open variable names output file");
return EXIT_FAILURE;
}
fprintf(varfile, "%d\n", results.nbv_1);
for (int i = 0; i < results.nbv_1; i++) {
fprintf(varfile,"%d\t%s\n", i, results.var_names[i]);
}
free(varfilename);
fclose(varfile);
if (verbose) {
if (binaryout) {
fprintf(stdout, "Writing out data (binary mode)...\n");
} else {
fprintf(stdout, "Writing out data (text mode)...\n");
}
}
for (int t = 0; t < results.nt; t++) {
float **data = NULL;
data = get_telemac_data(&rfs, t, verbose);
if (data == NULL) {
perror("NULL returned from get_telemac_data");
return EXIT_FAILURE;
}
for (int i = 0; i<results.nbv_1; i++) {
if (binaryout) {
asprintf(&datafilename, "%s.var%d.t%d.dat", basefilename, i, t);
datafile = fopen(datafilename, "wb+");
} else {
asprintf(&datafilename, "%s.var%d.t%d.txt", basefilename, i, t);
datafile = fopen(datafilename, "w+");
}
if (datafile == NULL) {
fprintf(stderr, "Unable to open output file for variable %d (%s) at timestep number %d\n", i, results.var_names[i], t);
perror(NULL);
return EXIT_FAILURE;
}
if (binaryout) {
double *dd = NULL;
dd = calloc(sizeof(double), results.npoin);
if (dd == NULL) {
fprintf(stderr, "Unable to allocate memory for double conversion\n");
perror("calloc");
return EXIT_FAILURE;
}
for (int k = 0; k < results.npoin; k++) {
dd[k] = data[i][k];
}
int fwcount = fwrite(dd, sizeof(double), results.npoin, datafile);
if (fwcount != results.npoin) {
free(dd);
fprintf(stderr, "Error writing results for variable %d (%s) at timestep number %d\n", i, results.var_names[i], t);
perror("fwrite");
return EXIT_FAILURE;
}
free(dd);
} else {
for (int k = 0; k < results.npoin; k++) {
fprintf(datafile, "%d\t%+.10f\n", k, data[i][k]);
}
}
fclose(datafile);
free(datafilename);
}
free_telemac_data(&rfs, data);
}
if (verbose) {
fprintf(stdout, "Writing out timestamps...\n");
}
asprintf(&tsfilename, "%s.times.txt", basefilename);
tsfile = fopen(tsfilename, "w+");
if (connfile == NULL) {
perror("Unable to open timestep output file");
return EXIT_FAILURE;
}
fprintf(tsfile, "%d\n", results.nt);
for (int i = 0; i < results.nt; i++) {
fprintf(tsfile,"%d\t%+.10f\n", i, results.timestamp[i]);
}
free(tsfilename);
fclose(tsfile);
return EXIT_SUCCESS;
}