flightgear/utils/Modeller/photomodel.cxx
2022-10-20 20:29:11 +08:00

135 lines
4.4 KiB
C++

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include <stdio.h>
#include <stdlib.h> // exit()
#include <simgear/bucket/newbucket.hxx>
#include <simgear/math/sg_geodesy.hxx>
int make_model( const char *texture,
double ll_lon, double ll_lat,
double lr_lon, double lr_lat,
double ur_lon, double ur_lat,
double ul_lon, double ul_lat,
const char *model )
{
// open the output file
FILE *out = fopen( model, "w" );
if ( out == NULL ) {
printf("Error: cannot open %s for writing\n", model);
return 0;
}
// compute polygon boundaries in local XY projection
double cen_lon = (ll_lon + lr_lon + ur_lon + ul_lon) / 4.0;
double cen_lat = (ll_lat + lr_lat + ur_lat + ul_lat) / 4.0;
double az1, az2, dist;
double angle;
geo_inverse_wgs_84( cen_lat, cen_lon, ll_lat, ll_lon, &az1, &az2, &dist );
angle = az1 * SGD_DEGREES_TO_RADIANS;
double llx = sin(angle) * dist;
double lly = cos(angle) * dist;
printf( "az1 = %.3f dx = %.3f dy = %.3f\n",
az1, sin(angle) * dist, cos(angle) * dist );
geo_inverse_wgs_84( cen_lat, cen_lon, lr_lat, lr_lon, &az1, &az2, &dist );
angle = az1 * SGD_DEGREES_TO_RADIANS;
double lrx = sin(angle) * dist;
double lry = cos(angle) * dist;
printf( "az1 = %.3f dx = %.3f dy = %.3f\n",
az1, sin(angle) * dist, cos(angle) * dist );
geo_inverse_wgs_84( cen_lat, cen_lon, ur_lat, ur_lon, &az1, &az2, &dist );
angle = az1 * SGD_DEGREES_TO_RADIANS;
double urx = sin(angle) * dist;
double ury = cos(angle) * dist;
printf( "az1 = %.3f dx = %.3f dy = %.3f\n",
az1, sin(angle) * dist, cos(angle) * dist );
geo_inverse_wgs_84( cen_lat, cen_lon, ul_lat, ul_lon, &az1, &az2, &dist );
angle = az1 * SGD_DEGREES_TO_RADIANS;
double ulx = sin(angle) * dist;
double uly = cos(angle) * dist;
printf( "az1 = %.3f dx = %.3f dy = %.3f\n",
az1, sin(angle) * dist, cos(angle) * dist );
fprintf( out, "AC3Db\n" );
fprintf( out, "MATERIAL \"DefaultWhite\" rgb 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 0.5 shi 64 trans 0\n" );
fprintf( out, "OBJECT world\n" );
fprintf( out, "kids 1\n" );
fprintf( out, "OBJECT poly\n" );
fprintf( out, "name \"terrain\"\n" );
fprintf( out, "data 9\n" );
fprintf( out, "Plane.073\n" );
fprintf( out, "texture \"%s\"\n", texture );
fprintf( out, "texrep 1 1\n" );
fprintf( out, "crease 30.000000\n" );
fprintf( out, "numvert 4\n" );
fprintf( out, "%.3f 0 %.3f\n", lry, lrx );
fprintf( out, "%.3f 0 %.3f\n", lly, llx );
fprintf( out, "%.3f 0 %.3f\n", uly, ulx );
fprintf( out, "%.3f 0 %.3f\n", ury, urx );
fprintf( out, "numsurf 1\n" );
fprintf( out, "SURF 0x00\n" );
fprintf( out, "mat 0\n" );
fprintf( out, "refs 4\n" );
fprintf( out, "0 0.0 1.0\n" );
fprintf( out, "3 0.0 0.0\n" );
fprintf( out, "2 1.0 0.0\n" );
fprintf( out, "1 1.0 1.0\n" );
fprintf( out, "kids 0\n" );
fclose( out );
SGBucket b( cen_lon, cen_lat );
printf("\n");
printf("Model is created as %s\n", model);
printf("\n");
printf("Now copy the .ac and .rgb file to your Model directory\n");
printf("and add the following line to your .stg file:\n");
printf("\n");
printf(" %s/%s.stg\n",
b.gen_base_path().c_str(), b.gen_index_str().c_str());
printf("\n");
printf("OBJECT_SHARED Models/MNUAV/%s %.6f %.6f ALT_IN_METERS 0.00\n",
model, cen_lon, cen_lat);
return 1;
}
void usage( char *prog ) {
printf("Usage: %s photo.rgb ll_lon ll_lat lr_lon lr_lat ur_lon ur_lat ul_lon ul_lat model.ac\n", prog);
printf("Usage: %s photo.rgb left_lon right_lon lower_lat upper_lat model.ac\n", prog);
exit( 0 );
}
int main( int argc, char **argv ) {
if ( argc == 11 ) {
make_model( argv[1],
atof(argv[2]), atof(argv[3]), atof(argv[4]), atof(argv[5]),
atof(argv[6]), atof(argv[7]), atof(argv[8]), atof(argv[9]),
argv[10] );
} else if ( argc == 7 ) {
make_model( argv[1],
atof(argv[2]), atof(argv[4]), atof(argv[3]), atof(argv[4]),
atof(argv[3]), atof(argv[5]), atof(argv[2]), atof(argv[5]),
argv[6] );
} else {
usage( argv[0] );
}
return 0;
}