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| /* Gerris - The GNU Flow Solver
* Copyright (C) 2010 National Institute of Water and Atmospheric Research
*
* 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., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <fcntl.h>
#include <unistd.h>
#if HAVE_GETOPT_H
# include <getopt.h>
#endif /* HAVE_GETOPT_H */
#include "kdt.h"
static int includes_true (KdtRect rect)
{
return 1;
}
static void progress (float complete, void * data)
{
#if 0 /* this doesn't work yet */
struct timeval * start = data, now;
gettimeofday (&now, NULL);
double remaining = ((double) (now.tv_usec - start->tv_usec) +
1e6*(double) (now.tv_sec - start->tv_sec))*(1. - complete);
int hours = remaining/1e6/3600.;
int mins = remaining/1e6/60. - 60.*hours;
int secs = remaining/1e6 - 3600.*hours - 60.*mins;
fprintf (stderr, "\rxyz2kdt: %3.0f%% complete %02d:%02d:%02d remaining",
(complete > 1. ? 1. : complete)*100.,
hours, mins, secs);
#else
fprintf (stderr, "\rxyz2kdt: %3.0f%% complete ",
(complete > 1. ? 1. : complete)*100.);
#endif
}
int main (int argc, char * argv[])
{
int c = 0, pagesize = 4096;
int verbose = 0;
/* parse options using getopt */
while (c != EOF) {
#if HAVE_GETOPT_LONG
static struct option long_options[] = {
{"pagesize", required_argument, NULL, 'p'},
{"verbose", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{ NULL }
};
int option_index = 0;
switch ((c = getopt_long (argc, argv, "p:hv",
long_options, &option_index))) {
#else /* not HAVE_GETOPT_LONG */
switch ((c = getopt (argc, argv, "p:hv"))) {
#endif /* not HAVE_GETOPT_LONG */
case 'v': /* verbose */
verbose = 1;
break;
case 'p': /* pagesize */
pagesize = atoi (optarg);
break;
case 'h': /* help */
fprintf (stderr,
"Usage: xyz2kdt [OPTION] BASENAME\n"
"\n"
"Converts the x, y and z coordinates on standard input to a\n"
"2D-tree-indexed database suitable for use with the\n"
"terrain module of Gerris.\n"
"\n"
" -p N --pagesize=N sets the pagesize in bytes (default is 4096)\n"
" -v --verbose display progress bar\n"
" -h --help display this help and exit\n"
"\n"
"Report bugs to %s\n",
"popinet@users.sf.net");
return 0; /* success */
break;
case '?': /* wrong options */
fprintf (stderr, "Try `xyz2kdt -h' for more information.\n");
return 1; /* failure */
}
}
if (optind >= argc) { /* missing BASENAME */
fprintf (stderr,
"xyz2kdt: missing BASENAME\n"
"Try `xyz2kdt -h' for more information.\n");
return 1; /* failure */
}
if (verbose)
fprintf (stderr, "xyz2kdt: reading points...\r");
KdtHeap h;
kdt_heap_create (&h, kdt_tmpfile (), 0, -1, 1000000);
long n = 0;
KdtPoint p;
while (scanf ("%lf %lf %lf", &p.x, &p.y, &p.z) == 3) {
kdt_heap_put (&h, &p);
if (verbose && n % 3571 == 0)
fprintf (stderr, "xyz2kdt: reading points... %ld\r", n);
n++;
}
kdt_heap_flush (&h);
if (verbose)
fprintf (stderr, "xyz2kdt: 0%% complete ");
struct timeval start;
gettimeofday (&start, NULL);
Kdt * kdt = kdt_new ();
kdt_create (kdt, argv[optind], pagesize, &h, verbose ? progress : NULL, &start);
kdt_destroy (kdt);
if (verbose) {
Kdt * kdt = kdt_new ();
KdtRect rect = {{-1e30,1e30},{-1e30,1e30}};
KdtSum sum;
kdt_sum_init (&sum);
assert (!kdt_open (kdt, argv[optind]));
long n = kdt_query_sum (kdt,
(KdtCheck) includes_true, (KdtCheck) includes_true, NULL,
rect, &sum);
fprintf (stderr,
"\r%ld points Height min: %g average: %g max: %g\n",
n, sum.Hmin, sum.H0/sum.w, sum.Hmax);
kdt_destroy (kdt);
}
return 0;
}
|
