#include <config.h>
#endif
+#include <Include/compiler.h>
+
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <list>
#include <stdio.h>
#include <string.h>
-#include <string>
+#include STL_STRING
-#include <Bucket/bucketutils.h>
+#include <Bucket/newbucket.hxx>
+#include <Debug/logstream.hxx>
#include <Include/fg_constants.h>
-#include <Include/fg_zlib.h>
+#include <Misc/fgstream.hxx>
#include "area.hxx"
+#include "convex_hull.hxx"
+
+
+// write out airport data
+void write_airport( list_container hull_list, FGBucket b, const string& root,
+ const bool cut_and_keep ) {
+ char tmp[256];
+
+ long int index = b.gen_index();
+ string base = b.gen_base_path();
+ string path = root + "/Scenery/" + base;
+ string command = "mkdir -p " + path;
+ system( command.c_str() );
+
+ sprintf(tmp, "%ld", index);
+ string aptfile = path + "/" + tmp + ".apt";
+ cout << "apt file = " << aptfile << endl;
+
+ FILE *fd;
+ if ( (fd = fopen(aptfile.c_str(), "a")) == NULL ) {
+ cout << "Cannot open file: " << aptfile << endl;
+ exit(-1);
+ }
+
+ if ( cut_and_keep ) {
+ fprintf( fd, "cut_and_keep\n" );
+ } else {
+ fprintf( fd, "cut_and_ignore\n" );
+ }
+ fprintf( fd, "%d\n", hull_list.size() );
+ // write perimeter polygon
+ list_iterator current = hull_list.begin();
+ list_iterator last = hull_list.end();
+ for ( ; current != last ; ++current ) {
+ fprintf( fd, "%.7f %.7f\n", (*current).lon, (*current).lat );
+ }
+
+ fclose(fd);
+}
// process and airport + runway list
-void process_airport( string last_airport, list < string > & runway_list ) {
- list < point2d > rwy_list, apt_list;
- list < point2d > :: iterator current;
- list < point2d > :: iterator last;
+void process_airport( string last_airport, list < string > & runway_list,
+ const string& root ) {
+ list_container rwy_list, apt_list, hull_list;
+ list_iterator current, last;
string line_str;
double lon, lat;
+ // int i;
+ int count;
+
+ // generate the vertices of all the runways
int len, width, hdg, label_hdg, elev;
char codes[10];
char side;
-
- printf( "(apt) %s", last_airport.c_str() );
-
- while ( runway_list.size() ) {
- line_str = runway_list.front();
- runway_list.pop_front();
- printf( "%s", line_str.c_str() );
+ cout << "(apt) " << last_airport;
+ list < string >::iterator last_runway = runway_list.end();
+ for ( list < string >::iterator current_runway = runway_list.begin();
+ current_runway != last_runway ; ++current_runway ) {
+ line_str = (*current_runway);
+ cout << line_str;
sscanf( line_str.c_str(), "%lf %lf %d %d %d %s %d %c %d\n",
&lon, &lat, &len, &width, &hdg, codes, &label_hdg,
// add rwy_list to apt_list
current = rwy_list.begin();
last = rwy_list.end();
- while ( current != last ) {
+ for ( ; current != last ; ++current ) {
apt_list.push_back(*current);
- current++;
}
}
- printf("Final results in degrees\n");
- current = apt_list.begin();
- last = apt_list.end();
- while ( current != last ) {
- // printf( "(%.4f, %.4f)\n",
- printf( "%.5f %.5f\n",
- current->lon * RAD_TO_DEG,
- current->lat * RAD_TO_DEG );
- current++;
+ // printf("Runway points in degrees\n");
+ // current = apt_list.begin();
+ // last = apt_list.end();
+ // for ( ; current != last; ++current ) {
+ // printf( "%.5f %.5f\n", current->lon, current->lat );
+ // }
+ // printf("\n");
+
+ // generate convex hull
+ hull_list = convex_hull(apt_list);
+
+ // find average center, min, and max point of convex hull
+ point2d average, min, max;
+ double sum_x, sum_y;
+ count = hull_list.size();
+ current = hull_list.begin();
+ last = hull_list.end();
+ sum_x = sum_y = 0.0;
+ min.x = min.y = 200.0;
+ max.x = max.y = -200.0;
+ for ( ; current != last; ++current ) {
+ // printf("return = %.6f %.6f\n", (*current).x, (*current).y);
+ sum_x += (*current).x;
+ sum_y += (*current).y;
+
+ if ( (*current).x < min.x ) { min.x = (*current).x; }
+ if ( (*current).y < min.y ) { min.y = (*current).y; }
+ if ( (*current).x > max.x ) { max.x = (*current).x; }
+ if ( (*current).y > max.y ) { max.y = (*current).y; }
+ }
+ average.x = sum_x / count;
+ average.y = sum_y / count;
+
+ // find buckets for center, min, and max points of convex hull.
+ // note to self: self, you should think about checking for runways
+ // that span the data line
+ FGBucket b(average.lon, average.lat);
+ FGBucket b_min(min.x, min.y);
+ FGBucket b_max(max.x, max.y);
+ cout << "Bucket center = " << b << endl;
+ cout << "Bucket min = " << b_min << endl;
+ cout << "Bucket max = " << b_max << endl;
+
+ if ( b_min == b_max ) {
+ write_airport( hull_list, b, root, true );
+ } else {
+ FGBucket b_cur;
+ int dx, dy, i, j;
+
+ fgBucketDiff(b_min, b_max, &dx, &dy);
+ cout << "airport spans tile boundaries" << endl;
+ cout << " dx = " << dx << " dy = " << dy << endl;
+
+ if ( (dx > 1) || (dy > 1) ) {
+ cout << "somethings really wrong!!!!" << endl;
+ exit(-1);
+ }
+
+ for ( j = 0; j <= dy; j++ ) {
+ for ( i = 0; i <= dx; i++ ) {
+ b_cur = fgBucketOffset(min.x, min.y, i, j);
+ if ( b_cur == b ) {
+ write_airport( hull_list, b_cur, root, true );
+ } else {
+ write_airport( hull_list, b_cur, root, false );
+ }
+ }
+ }
+ // string answer; cin >> answer;
}
- printf("\n");
}
// airport records
int main( int argc, char **argv ) {
list < string > runway_list;
- string apt_path, gz_apt_path;
string airport, last_airport;
- fgFile f;
- char line[256];
- /*
- fgBUCKET b;
- point2d nodes[4];
- char base[256], path[256], command[256], file[256], exfile[256];
- double lon, lat, elevation, heading;
- double length, width;
- long int index;
- */
+ string line;
+ char tmp[256];
+
+ fglog().setLogLevels( FG_ALL, FG_DEBUG );
if ( argc != 3 ) {
- printf("Usage %s <apt_file> <work dir>\n", argv[0]);
- exit(0);
+ FG_LOG( FG_GENERAL, FG_ALERT,
+ "Usage " << argv[0] << " <apt_file> <work dir>" );
+ exit(-1);
}
- apt_path = argv[1];
- gz_apt_path = apt_path + ".gz";
-
- // first try "path.gz"
- if ( (f = fgopen(gz_apt_path.c_str(), "rb")) == NULL ) {
- // next try "path"
- if ( (f = fgopen(apt_path.c_str(), "rb")) == NULL ) {
- printf( "Cannot open file: %s\n", apt_path.c_str());
- }
+ fg_gzifstream in( argv[1] );
+ if ( !in ) {
+ FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << argv[1] );
+ exit(-1);
}
- while ( fggets(f, line, 250) != NULL ) {
- // printf("%s", line);
- if ( strlen(line) == 0 ) {
+ while ( ! in.eof() ) {
+ in.getline(tmp, 256);
+ line = tmp;
+ // cout << line << endl;
+
+ if ( line.length() == 0 ) {
// empty, skip
} else if ( line[0] == '#' ) {
// comment, skip
if ( last_airport.length() ) {
// process previous record
- process_airport(last_airport, runway_list);
+ process_airport(last_airport, runway_list, argv[2]);
}
+ // clear runway list for start of next airport
+ runway_list.erase(runway_list.begin(), runway_list.end());
+
last_airport = airport;
}
}
if ( last_airport.length() ) {
// process previous record
- process_airport(last_airport, runway_list);
+ process_airport(last_airport, runway_list, argv[2]);
}
- fgclose(f);
-
- return(1);
+ return 0;
}
-#if 0
- // P13 (Globe, AZ)
- // lon = -110.6642442;
- // lat = 33.3528903;
- // heading = 102.0 * DEG_TO_RAD;
- // length = 1769;
- // width = 23;
-
- // KANE
- lon = -93.2113889;
- lat = 45.145;
- elevation = 912 * FEET_TO_METER;
- heading = 270.0 * DEG_TO_RAD;
- length = 1220;
- width = 23;
-
- gen_runway_area( lon * DEG_TO_RAD, lat * DEG_TO_RAD,
- heading, length, width, nodes, &count );
-
- fgBucketFind(lon, lat, &b);
- printf( "Bucket = lon,lat = %d,%d x,y index = %d,%d\n",
- b.lon, b.lat, b.x, b.y);
-
- index = fgBucketGenIndex(&b);
- fgBucketGenBasePath(&b, base);
- sprintf(path, "%s/Scenery/%s", argv[1], base);
- sprintf(command, "mkdir -p %s\n", path);
- system(command);
-
- sprintf(exfile, "%s/%ld.node.ex", path, index);
- sprintf(file, "%s/%ld.poly", path, index);
- printf( "extra node file = %s\n", exfile);
- printf( "poly file = %s\n", file);
-
- // output extra nodes
- if ( (fd = fopen(exfile, "w")) == NULL ) {
- printf("Cannot open file: %s\n", exfile);
- exit(-1);
- }
-
- fprintf(fd, "%d 2 0 0\n", count);
- for ( i = 0; i < count; i++ ) {
- fprintf( fd, "%d %.2f %.2f %.2f\n", i + 1,
- nodes[i].lon * RAD_TO_ARCSEC, nodes[i].lat * RAD_TO_ARCSEC,
- elevation);
- }
- fclose(fd);
-
- // output poly
- if ( (fd = fopen(file, "w")) == NULL ) {
- printf("Cannot open file: %s\n", file);
- exit(-1);
- }
-
- // output empty node list
- fprintf(fd, "0 2 0 0\n");
-
- // output segments
- fprintf(fd, "%d 0\n", count);
- for ( i = 0; i < count - 1; i++ ) {
- fprintf( fd, "%d %d %d\n", i + 1, i + 1, i + 2 );
- }
- fprintf( fd, "%d %d %d\n", count, count, 1 );
-
- // output hole center
- fprintf( fd, "1\n");
- fprintf( fd, "1 %.2f %.2f\n", lon * 3600.0, lat * 3600);
-
- fclose(fd);
-
-#endif
-
-
-// $Log: main.c,v
+// $Log$
+// Revision 1.6 1999/02/11 01:10:51 curt
+// Start of scenery revamp project.
+//
+// Revision 1.5 1998/09/17 18:40:43 curt
+// Debug message tweaks.
+//
+// Revision 1.4 1998/09/09 20:59:56 curt
+// Loop construct tweaks for STL usage.
+// Output airport file to be used to generate airport scenery on the fly
+// by the run time sim.
+//
//