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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2014, Rob Norris <rw_norris@hotmail.com>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include "metatile.h"
int main ( int argc, char *argv[] )
{
const int tile_max = METATILE_MAX_SIZE;
char err_msg[PATH_MAX];
char *buf;
int len;
int compressed;
// Could extend to get values from the command-line.
int x = 4051;
int y = 2753;
int z = 13;
//char dir[] = "/var/lib/mod_tile/default";
char dir[] = "metatile_example";
// Example defaults to a metatile that was pre generated using mod_tile (on a Little endian machine)
// Equates to 'metatile_example/13/0/0/250/220/0.meta'
// which is Brownsea Island, Dorset, UK (50.69N, 1.96W)
buf = malloc(tile_max);
if (!buf) {
return 1;
}
err_msg[0] = 0;
if ( argc > 1 )
len = metatile_read(argv[1], x, y, z, buf, tile_max, &compressed, err_msg);
else
len = metatile_read(dir, x, y, z, buf, tile_max, &compressed, err_msg);
if (len > 0) {
// Do something with buf
// Just dump to a file
FILE *fp;
if (compressed)
fp = fopen( "tilefrommeta.gz" , "w" );
else
fp = fopen( "tilefrommeta.png" , "w" );
if ( fp ) {
fwrite(buf, 1 , len, fp);
fclose(fp);
}
else
fprintf(stderr, "Failed to open file because: %s\n", strerror(errno));
free(buf);
return 0;
}
else
fprintf(stderr, "FAILED: %s\n", err_msg);
free(buf);
return 3;
}
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