Geoff McLane: allow limits, max/min lat/lon to be added to raw2ascii
Frederic Bouvier: _set_output_format is only available in VS2005 and later
This commit is contained in:
Frederic Bouvier
parent
2c2bc8b551
commit
af505d2f0f
3 changed files with 171 additions and 17 deletions
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@ -1,6 +1,8 @@
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/* main.cxx -- main loop
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*
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* Written by Curtis Olson, started February 1998.
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* Modified by Geoff McLane, March, 2009
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* to add min, max, lon, lat, to limit the output of ASCII DEM files.
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*
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* Copyright (C) 1998, 1999 Curtis L. Olson - http://www.flightgear.org/~curt
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*
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@ -36,28 +38,148 @@
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# include <stdlib.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "rawdem.h"
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#ifdef _MSC_VER
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#define M_ISDIR _S_IFDIR
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#else
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#define M_ISDIR __S_IFDIR
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#endif
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static void give_help( char * name )
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{
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printf("Usage: %s [OPTIONS] <input_file_basename> <output_dir>\n", name);
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printf("Options:\n");
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printf(" --min-lat=<degs> - set minimum latitude for output.\n");
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printf(" --max-lat=<degs> - set maximum latitude for output.\n");
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printf(" --min-lon=<degs> - set minimum longitude for output.\n");
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printf(" --max-lon=<degs> - set maximum longitude for output.\n");
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}
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static int is_file_or_directory( char * cur_item )
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{
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struct stat buf;
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if( stat( cur_item, &buf ) == 0 ) {
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if ( buf.st_mode & M_ISDIR )
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return 1; // is directory
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else
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return 2; // is file
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}
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return 0;
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}
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int main(int argc, char **argv) {
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fgRAWDEM raw;
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char basename[256], output_dir[256], hdr_file[256], dem_file[256];
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static fgRAWDEM raw;
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static char basename[256], output_dir[256], hdr_file[256], dem_file[256];
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int start_lat, end_lat;
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int i;
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// double total;
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// unsigned char buf[2];
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// short int value;
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int last_arg = 1;
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double min_lat, max_lat, min_lon, max_lon;
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if ( argc != 3 ) {
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printf("Usage: %s <input_file_basename> <output_dir>\n", argv[0]);
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exit(-1);
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#if defined( _MSC_VER ) && _MSC_VER >= 1400 // set 2-ditit exponent - defaults to 3 - Only available for VS2005
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_set_output_format( _TWO_DIGIT_EXPONENT );
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#endif // _MSC_VER
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min_lat = max_lat = min_lon = max_lon = BAD_LATLON;
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for( i = 1; i < argc; i++ )
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{
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char * arg = argv[i];
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if (*arg == '-') {
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// option
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if((strcmp(arg,"-h") == 0)||
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(strcmp(arg,"--help") == 0)) {
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give_help( argv[0] );
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exit(0);
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} else if( strncmp(arg,"--min-lon=", 10) == 0 ) {
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min_lon = atof( &arg[10] );
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} else if( strncmp(arg,"--max-lon=", 10) == 0 ) {
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max_lon = atof( &arg[10] );
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} else if( strncmp(arg,"--min-lat=", 10) == 0 ) {
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min_lat = atof( &arg[10] );
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} else if( strncmp(arg,"--max-lat=", 10) == 0 ) {
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max_lat = atof( &arg[10] );
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} else {
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printf( "ERROR: Unknown argument [%s]. Use -h for help.\n", arg );
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exit(1);
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}
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last_arg = i + 1;
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} else
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break;
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}
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if ( (argc - last_arg) != 2 ) {
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give_help( argv[0] );
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exit(1);
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}
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if(( min_lat != BAD_LATLON )&&
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(( min_lat < -90.0 )||( min_lat > 90.0 ))) {
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printf( "ERROR: Bad min-lat [%f]!\n", min_lat );
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exit(1);
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}
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if(( max_lat != BAD_LATLON )&&
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(( max_lat < -90.0 )||( max_lat > 90.0 ))) {
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printf( "ERROR: Bad max-lat [%f]!\n", max_lat );
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exit(1);
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}
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if(( min_lon != BAD_LATLON )&&
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(( min_lon < -180.0 )||( min_lon > 180.0 ))) {
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printf( "ERROR: Bad min-lon [%f]!\n", min_lon );
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exit(1);
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}
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if(( max_lon != BAD_LATLON )&&
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(( max_lon < -180.0 )||( max_lon > 180.0 ))) {
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printf( "ERROR: Bad max-lon [%f]!\n", max_lon );
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exit(1);
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}
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if(( min_lat != BAD_LATLON )&&
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( max_lat != BAD_LATLON )&&
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( min_lat > max_lat ))
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{
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printf( "ERROR: Bad min-lat [%f] NOT less than max-lat [%f]!\n", min_lat, max_lat );
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exit(1);
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}
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if(( min_lon != BAD_LATLON )&&
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( max_lon != BAD_LATLON )&&
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( min_lon > max_lon ))
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{
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printf( "ERROR: Bad min-lon [%f] NOT less than max-lon [%f]!\n", min_lon, max_lon );
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exit(1);
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}
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if(( min_lat != BAD_LATLON )||
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( max_lat != BAD_LATLON )||
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( min_lon != BAD_LATLON )||
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( max_lon != BAD_LATLON ))
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{
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printf( "Limited to " );
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if( min_lat != BAD_LATLON )
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printf( "min lat [%f] ", min_lat );
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if( max_lat != BAD_LATLON )
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printf( "max lat [%f] ", max_lat );
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if( min_lon != BAD_LATLON )
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printf( "min lon [%f] ", min_lon );
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if( max_lon != BAD_LATLON )
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printf( "max lon [%f] ", max_lon );
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printf( "\n" );
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}
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/* set any mins and max */
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raw.min_lat = min_lat;
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raw.min_lon = min_lon;
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raw.max_lat = max_lat;
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raw.max_lon = max_lon;
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/* get basename */
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strcpy(basename, argv[1]);
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strcpy(basename, argv[last_arg]);
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/* get output dir */
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strcpy(output_dir, argv[2]);
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strcpy(output_dir, argv[last_arg+1]);
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if ( is_file_or_directory( output_dir ) != 1 ) {
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printf( "ERROR: Ouput directory [%s], does not exist!\n", output_dir );
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exit(1);
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}
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/* generate header file name */
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strcpy(hdr_file, basename);
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@ -85,7 +85,7 @@ int reads(int fd, char *buf, unsigned int len) {
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* DEM file */
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void rawReadDemHdr( fgRAWDEM *raw, char *hdr_file ) {
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FILE *hdr;
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char line[256], key[256], value[256];
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static char line[256], key[256], value[256];
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int i, len, offset;
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double tmp;
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@ -100,7 +100,13 @@ void rawReadDemHdr( fgRAWDEM *raw, char *hdr_file ) {
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/* process each line */
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while ( (reads(fileno(hdr), line, 256) != 0) ) {
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printf("%s", line);
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len = strlen(line);
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while(len && ((line[len - 1] == '\n')||(line[len - 1] == '\r'))) {
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len--;
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line[len] = 0; // kill EOL characters
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}
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printf("%s ", line);
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len = strlen(line);
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/* extract key */
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@ -128,13 +134,17 @@ void rawReadDemHdr( fgRAWDEM *raw, char *hdr_file ) {
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if ( strcmp(key, "BYTEORDER") == 0 ) {
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if ( strcmp( value, "M" ) == 0 ) {
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raw->big_endian = 1;
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printf( "- set big_endian\n" );
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} else {
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printf( "- unset big_endian (not 'M'!)\n" );
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raw->big_endian = 0;
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}
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} else if ( strcmp(key, "NROWS") == 0 ) {
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raw->nrows = atoi(value);
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printf( "- set rows to %d\n", raw->nrows );
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} else if ( strcmp(key, "NCOLS") == 0 ) {
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raw->ncols = atoi(value);
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printf( "- set cols to %d\n", raw->ncols );
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} else if ( strcmp(key, "ULXMAP") == 0 ) {
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tmp = atof(value);
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#ifdef HAVE_RINT
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@ -142,6 +152,8 @@ void rawReadDemHdr( fgRAWDEM *raw, char *hdr_file ) {
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#else
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raw->ulxmap = (int)round(tmp * 3600.0); /* convert to arcsec */
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#endif
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printf( "- set ulxmap to %d arcsecs (%d degrees)\n", raw->ulxmap,
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raw->ulxmap / 3600);
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} else if ( strcmp(key, "ULYMAP") == 0 ) {
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tmp = atof(value);
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#ifdef HAVE_RINT
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@ -149,6 +161,8 @@ void rawReadDemHdr( fgRAWDEM *raw, char *hdr_file ) {
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#else
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raw->ulymap = (int)round(tmp * 3600.0); /* convert to arcsec */
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#endif
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printf( "- set ulymap to %d arcsecs (%d degrees)\n", raw->ulymap,
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raw->ulymap / 3600);
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} else if ( strcmp(key, "XDIM") == 0 ) {
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tmp = atof(value);
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#ifdef HAVE_RINT
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@ -156,6 +170,8 @@ void rawReadDemHdr( fgRAWDEM *raw, char *hdr_file ) {
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#else
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raw->xdim = (int)round(tmp * 3600.0); /* convert to arcsec */
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#endif
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printf( "- set xdim to %d arcsecs (%f degrees)\n", raw->xdim,
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(double)raw->xdim / 3600.0);
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} else if ( strcmp(key, "YDIM") == 0 ) {
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tmp = atof(value);
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#ifdef HAVE_RINT
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@ -163,8 +179,11 @@ void rawReadDemHdr( fgRAWDEM *raw, char *hdr_file ) {
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#else
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raw->ydim = (int)round(tmp * 3600.0); /* convert to arcsec */
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#endif
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printf( "- set ydim to %d arcsecs (%f degrees)\n", raw->ydim,
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(double)raw->ydim / 3600.0);
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} else {
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/* ignore for now */
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printf( "- ignore for now\n" );
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}
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}
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@ -258,7 +277,7 @@ void rawReadNextRow( fgRAWDEM *raw, int index ) {
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if ( value > raw->max ) { raw->max = value; }
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}
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printf( " so far, min = %d max = %d\n", raw->min, raw->max );
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/* printf( " so far, min = %d max = %d\n", raw->min, raw->max ); */
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}
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@ -331,6 +350,15 @@ void rawDumpAsciiDEM( fgRAWDEM *raw, char *path, int ilon, int ilat ) {
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sprintf(outfile, "%s/%c%03d%c%02d.dem", path, lon_sign, lon, lat_sign, lat);
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if((( raw->min_lat != BAD_LATLON)&&( (double)ilat < raw->min_lat ))||
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(( raw->max_lat != BAD_LATLON)&&( (double)ilat > raw->max_lat ))||
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(( raw->min_lon != BAD_LATLON)&&( (double)ilon < raw->min_lon ))||
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(( raw->max_lon != BAD_LATLON)&&( (double)ilon > raw->max_lon )))
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{
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printf("outfile = %s not written. Outside range\n", outfile);
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return;
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}
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printf("outfile = %s\n", outfile);
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if ( (fd = fopen(outfile, "w")) == NULL ) {
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@ -468,7 +496,7 @@ void rawProcessStrip( fgRAWDEM *raw, int lat_degrees, char *path ) {
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/* convert to arcsec */
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lat = lat_degrees * 3600;
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printf("Max Latitude = %d arcsec\n", lat);
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printf("Max Latitude = %d arcsec (%f degs)\n", lat, lat_degrees);
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/* validity check ... */
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if ( (lat > raw->rooty) ||
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@ -30,6 +30,8 @@
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#define MAX_COLS 7200
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#define MAX_COLS_X_2 14400
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#define BAD_LATLON 12345.0
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typedef struct {
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/* header info */
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int big_endian; /* true if data source is big, false if little */
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@ -47,6 +49,8 @@ typedef struct {
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/* file ptr */
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int fd; /* Raw DEM file descriptor */
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double min_lat, max_lat, min_lon, max_lon; /* some limits, if any */
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/* storage area for a 1 degree high strip of data. Note, for
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* convenience this is in y,x order */
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short strip[120][MAX_ROWS];
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