3 ########################################################################
4 # Convert DAFIFT ARPT/ILS.TXT to FlightGear format.
5 ########################################################################
9 my($faa_ils_file) = shift(@ARGV);
10 my($dafift_arpt_file) = shift(@ARGV);
11 my($dafift_ils_file) = shift(@ARGV);
12 my($fgfs_ils_file) = shift(@ARGV);
13 my($output_file) = shift(@ARGV);
16 "<faa_ils_file> <dafift_arpt_file> <dafift_ils_file> <fgfs_ils_file> <output_file>\n"
17 if !defined($faa_ils_file) || !defined($dafift_arpt_file)
18 || !defined($dafift_ils_file) || !defined($fgfs_ils_file)
19 || !defined($output_file);
25 &load_dafift( $dafift_arpt_file, $dafift_ils_file );
26 &load_faa( $faa_ils_file );
27 # &load_fgfs( $fgfs_ils_file );
28 &write_result( $output_file );
33 ########################################################################
35 ########################################################################
40 open( FAA_ILS, "<$file" ) || die "Cannot open FAA data: $file\n";
42 <FAA_ILS>; # skip header line
47 my ( $rec_type, $faa_id, $rwy, $type, $faa_date,
48 $faa_apt_name, $faa_city, $faa_st, $faa_state,
49 $faa_region, $id, $faa_len, $faa_wid, $faa_cat,
50 $faa_owner, $faa_operator, $faa_bearing, $faa_magvar,
51 $loc_type, $loc_id, $loc_freq, $faa_loc_latd,
52 $faa_loc_lats, $faa_loc_lond, $faa_loc_lons, $loc_width,
53 $faa_stop_dist, $faa_app_dist, $faa_gs_type, $gs_angle,
54 $faa_gs_freq, $faa_gs_latd, $faa_gs_lats, $faa_gs_lond,
55 $faa_gs_lons, $faa_gs_dist, $gs_elev, $faa_im_type,
56 $faa_im_latd, $faa_im_lats, $faa_im_lond, $faa_im_lons,
57 $faa_im_dist, $faa_mm_type, $faa_mm_id, $faa_mm_name,
58 $faa_mm_freq, $faa_mm_latd, $faa_mm_lats, $faa_mm_lond,
59 $faa_mm_lons, $faa_mm_dist, $faa_om_type, $faa_om_id,
60 $faa_om_name, $faa_om_freq, $faa_om_latd, $faa_om_lats,
61 $faa_om_lond, $faa_om_lons, $faa_om_dist,
62 $faa_om_backcourse, $faa_dme_channel, $faa_dme_latd,
63 $faa_dme_lats, $faa_dme_lond, $faa_dme_lons, $faa_dme_app_dist,
64 $faa_dme_stop_dist, $blank)
66 m/^(.{4})(.{11})(.{3})(.{10})(.{10})(.{42})(.{26})(.{2})(.{20})(.{3})(.{4})(.{5})(.{4})(.{9})(.{50})(.{50})(.{3})(.{3})(.{15})(.{5})(.{6})(.{14})(.{11})(.{14})(.{11})(.{5})(.{5})(.{6})(.{15})(.{4})(.{6})(.{14})(.{11})(.{14})(.{11})(.{6})(.{7})(.{15})(.{14})(.{11})(.{14})(.{11})(.{6})(.{15})(.{2})(.{5})(.{3})(.{14})(.{11})(.{14})(.{11})(.{6})(.{15})(.{2})(.{5})(.{3})(.{14})(.{11})(.{14})(.{11})(.{6})(.{9})(.{4})(.{14})(.{11})(.{14})(.{11})(.{6})(.{5})(.{34})/;
68 $id = &strip_ws( $id );
69 $rwy = &strip_ws( $rwy );
71 my( $loc_hdg ) = $faa_bearing + make_dmagvar($faa_magvar);
72 my( $loc_lat ) = make_dcoord($faa_loc_lats) / 3600.0;
73 my( $loc_lon ) = make_dcoord($faa_loc_lons) / 3600.0;
74 print "$loc_lon $loc_lat $faa_loc_lons $faa_loc_lats\n";
75 my( $gs_lat ) = make_dcoord($faa_gs_lats) / 3600.0;
76 my( $gs_lon ) = make_dcoord($faa_gs_lons) / 3600.0;
77 my( $im_lat ) = make_dcoord($faa_im_lats) / 3600.0;
78 my( $im_lon ) = make_dcoord($faa_im_lons) / 3600.0;
79 my( $mm_lat ) = make_dcoord($faa_mm_lats) / 3600.0;
80 my( $mm_lon ) = make_dcoord($faa_mm_lons) / 3600.0;
81 my( $om_lat ) = make_dcoord($faa_om_lats) / 3600.0;
82 my( $om_lon ) = make_dcoord($faa_om_lons) / 3600.0;
83 my( $dme_lat ) = make_dcoord($faa_dme_lats) / 3600.0;
84 my( $dme_lon ) = make_dcoord($faa_dme_lons) / 3600.0;
87 # print "$id - $rwy\n";
89 # print "-> $key -> $ILS{$key}\n";
90 # $key = "K" . $id . $rwy;
91 # print "-> $key -> $ILS{$key}\n";
93 if ( $rec_type eq "ILS1" ) {
94 if ( $ILS{$id . $rwy} ne "" ) {
95 print "FAA updating: $id - $rwy $type\n";
96 &update_type( $id, $rwy, $type );
97 } elsif ( $ILS{ "K" . $id . $rwy} ne "" ) {
98 print "FAA updating: [K]$id - $rwy $type\n";
99 &update_type( "K" . $id, $rwy, $type );
101 print "FAA adding: $id - $rwy\n";
102 &safe_add_record( $id, $rwy, $type, $loc_freq, $loc_id,
103 $loc_hdg, $loc_lat, $loc_lon, $gs_elev,
104 $gs_angle, $gs_lat, $gs_lon, $dme_lat,
105 $dme_lon, $om_lat, $om_lon, $mm_lat,
106 $mm_lon, $im_lat, $im_lon );
113 ########################################################################
114 # Process DAFIFT data
115 ########################################################################
118 my( $arpt_file ) = shift;
119 my( $ils_file ) = shift;
123 my( $id, $rwy, $type );
124 my( $has_dme, $has_gs, $has_loc, $has_im, $has_mm, $has_om );
125 my( $dme_lon, $dme_lat, $dme_elev, $dme_bias );
126 my( $gs_lon, $gs_lat, $gs_elev, $gs_angle );
127 my( $loc_type, $loc_lon, $loc_lat, $loc_elev, $loc_freq, $loc_hdg,
128 $loc_width, $loc_id );
129 my( $im_lon, $im_lat, $mm_lon, $mm_lat, $om_lon, $om_lat );
131 # load airport file so we can lookup ICAO from internal ID
133 open( ARPT, "<$arpt_file" ) || die "Cannot open DAFIFT: $arpt_file\n";
135 <ARPT>; # skip header line
139 my(@F) = split(/\t/);
141 if ( length($icao) < 3 ) {
142 if ( length( $F[4] ) >= 3 ) {
148 $Airports{$F[0]} = $icao;
149 # print "$F[0] - $icao\n";
152 # Load the DAFIFT ils file
154 my( $last_id, $last_rwy ) = ("", "");
156 open( DAFIFT_ILS, "<$ils_file" ) || die "Cannot open DAFIFT: $ils_file\n";
158 <DAFIFT_ILS>; # skip header line
160 while ( <DAFIFT_ILS> ) {
166 if ( $last_id ne "" && ($last_id ne $id || $last_rwy ne $rwy) ) {
167 # just hist the start of the next record, dump the current data
170 ( $gs_elev, $gs_angle, $gs_lat, $gs_lon ) = ( 0, 0, 0, 0 );
173 ( $dme_lat, $dme_lon ) = ( 0, 0 );
176 ( $om_lat, $om_lon ) = ( 0, 0 );
179 ( $mm_lat, $mm_lon ) = ( 0, 0 );
182 ( $im_lat, $im_lon ) = ( 0, 0 );
184 if ( $ILS{$Airports{$last_id} . $last_rwy} eq "" ) {
185 print "DAFIFT adding: $Airports{$last_id} - $last_rwy\n";
186 &safe_add_record( $Airports{$last_id}, $last_rwy, "ILS",
187 $loc_freq, $loc_id, $loc_hdg, $loc_lat,
188 $loc_lon, $gs_elev, $gs_angle, $gs_lat,
189 $gs_lon, $dme_lat, $dme_lon, $om_lat,
190 $om_lon, $mm_lat, $mm_lon, $im_lat,
203 if ( $type eq "D" ) {
206 $dme_lon = make_dcoord( $F[16] );
207 $dme_lat = make_dcoord( $F[14] );
209 if ( $dme_elev !~ m/\d/ ) {
215 # print "$id DME $dme_lon $dme_lat $dme_elev $dme_bias\n";
216 } elsif ( $type eq "G" ) {
219 $gs_lon = make_dcoord( $F[16] );
220 $gs_lat = make_dcoord( $F[14] );
222 if ( $gs_elev !~ m/\d/ ) {
228 # print "$id GS $gs_lon $gs_lat $gs_elev $gs_angle\n";
229 } elsif ( $type eq "Z" ) {
232 $loc_lon = make_dcoord( $F[16] );
233 $loc_lat = make_dcoord( $F[14] );
235 if ( $loc_elev !~ m/\d/ ) {
240 ($loc_freq) = $F[5] =~ m/(\d\d\d\d\d\d)/;
242 my( $magvar ) = make_dmagvar( $F[22] );
243 # print "mag var = $F[22] (" . $magvar . ")\n";
244 $loc_hdg = $F[24] + make_dmagvar( $F[22] );
247 if ( length( $loc_id ) >= 4 ) {
250 # print "$id LOC $loc_lon $loc_lat $loc_elev $loc_freq $loc_hdg $loc_width\n";
251 } elsif ( $type eq "I" ) {
254 $im_lon = make_dcoord( $F[16] );
255 $im_lat = make_dcoord( $F[14] );
256 # print "$id IM $im_lon $im_lat\n";
257 } elsif ( $type eq "M" ) {
258 # Middle marker entry
260 $mm_lon = make_dcoord( $F[16] );
261 $mm_lat = make_dcoord( $F[14] );
262 # print "$id MM $mm_lon $mm_lat\n";
263 } elsif ( $type eq "O" ) {
266 $om_lon = make_dcoord( $F[16] );
267 $om_lat = make_dcoord( $F[14] );
268 # print "$id OM $om_lon $om_lat\n";
273 # printf("%-5s %10.6f %11.6f\n", $F[0], $F[14], $F[16]);
277 ( $gs_elev, $gs_angle, $gs_lat, $gs_lon ) = ( 0, 0, 0, 0 );
280 ( $dme_lat, $dme_lon ) = ( 0, 0 );
283 ( $om_lat, $om_lon ) = ( 0, 0 );
286 ( $mm_lat, $mm_lon ) = ( 0, 0 );
289 ( $im_lat, $im_lon ) = ( 0, 0 );
291 if ( $ILS{$Airports{$last_id} . $last_rwy} eq "" ) {
292 print "DAFIFT adding (last): $Airports{$last_id} - $last_rwy\n";
293 &safe_add_record( $Airports{$last_id}, $last_rwy, "ILS", $loc_freq,
294 $loc_id, $loc_hdg, $loc_lat, $loc_lon,
295 $gs_elev, $gs_angle, $gs_lat, $gs_lon,
296 $dme_lat, $dme_lon, $om_lat, $om_lon, $mm_lat,
297 $mm_lon, $im_lat, $im_lon );
302 ########################################################################
303 # Process FlightGear ILS data
304 ########################################################################
307 my( $ils_file ) = shift;
309 open( FGILS, "zcat $ils_file|" ) || die "Cannot open FGFS: $ils_file\n";
311 <FGILS>; # skip header line
315 if ( ! m/\[End\]/ && length($_) > 1 ) {
317 my( $type_code, $type_name, $icao, $rwy, $loc_freq, $loc_id,
318 $loc_hdg, $loc_lat, $loc_lon, $gs_elev, $gs_angle, $gs_lat,
319 $gs_lon, $dme_lat, $dme_lon, $om_lat, $om_lon, $mm_lat, $mm_lon,
320 $im_lat, $im_lon ) = split(/\s+/);
321 if ( $ILS{$icao . $rwy} eq "" ) {
322 print "FGFS adding: $icao $rwy\n";
323 $ILS{$icao . $rwy} = $_;
326 print "FGFS discarding: $_\n";
332 ########################################################################
333 # Write out the accumulated combined result
334 ########################################################################
337 my( $outfile ) = shift;
339 open( OUT, ">$outfile" ) || die "Cannot write to: $outfile\n";
341 # dump out the final results
342 print OUT "// FlightGear ILS data, generated from DAFIFT ARPT/ILS.TXT and FAA data\n";
345 foreach $key ( sort (keys %ILS) ) {
346 print OUT "$ILS{$key}\n";
352 ########################################################################
354 ########################################################################
357 # add a record to the master list if it doesn't already exist
359 sub safe_add_record() {
360 my( $apt_id ) = shift;
363 my( $loc_freq ) = shift;
364 my( $loc_id ) = shift;
365 my( $loc_hdg ) = shift;
366 my( $loc_lat ) = shift;
367 my( $loc_lon ) = shift;
368 my( $gs_elev ) = shift;
369 my( $gs_angle ) = shift;
370 my( $gs_lat ) = shift;
371 my( $gs_lon ) = shift;
372 my( $dme_lat ) = shift;
373 my( $dme_lon ) = shift;
374 my( $om_lat ) = shift;
375 my( $om_lon ) = shift;
376 my( $mm_lat ) = shift;
377 my( $mm_lon ) = shift;
378 my( $im_lat ) = shift;
379 my( $im_lon ) = shift;
381 if ( $ILS{$apt_id . $rwy} eq "" ) {
382 # print "Safe adding (common): $apt_id - $rwy\n";
383 &update_record( $apt_id, $rwy, $type, $loc_freq, $loc_id,
384 $loc_hdg, $loc_lat, $loc_lon, $gs_elev,
385 $gs_angle, $gs_lat, $gs_lon, $dme_lat,
386 $dme_lon, $om_lat, $om_lon, $mm_lat,
387 $mm_lon, $im_lat, $im_lon );
392 # replace a record in the master list (or add it if it doesn't exist)
394 sub update_record() {
395 my( $apt_id ) = shift;
398 my( $loc_freq ) = shift;
399 my( $loc_id ) = shift;
400 my( $loc_hdg ) = shift;
401 my( $loc_lat ) = shift;
402 my( $loc_lon ) = shift;
403 my( $gs_elev ) = shift;
404 my( $gs_angle ) = shift;
405 my( $gs_lat ) = shift;
406 my( $gs_lon ) = shift;
407 my( $dme_lat ) = shift;
408 my( $dme_lon ) = shift;
409 my( $om_lat ) = shift;
410 my( $om_lon ) = shift;
411 my( $mm_lat ) = shift;
412 my( $mm_lon ) = shift;
413 my( $im_lat ) = shift;
414 my( $im_lon ) = shift;
418 # remap $type as needed
419 $type = &strip_ws( $type );
420 if ( $type eq "LOCALIZER" ) {
422 } elsif ( $type eq "ILS/DME" ) {
424 } elsif ( $type eq "SDF/DME" ) {
426 } elsif ( $type eq "LOC/DME" ) {
428 } elsif ( $type eq "LOC/GS" ) {
430 } elsif ( $type eq "LDA/DME" ) {
434 $record = sprintf( "%1s %-5s %-4s %-3s %06.2f %-4s %06.2f %10.6f %11.6f ",
435 substr( $type, 0, 1 ), $type, $apt_id, $rwy,
436 $loc_freq, $loc_id, $loc_hdg, $loc_lat, $loc_lon );
437 $record .= sprintf( "%5d %5.2f %10.6f %11.6f ",
438 $gs_elev, $gs_angle, $gs_lat, $gs_lon );
439 $record .= sprintf( "%10.6f %11.6f ", $dme_lat, $dme_lon );
440 $record .= sprintf( "%10.6f %11.6f ", $om_lat, $om_lon );
441 $record .= sprintf( "%10.6f %11.6f ", $mm_lat, $mm_lon );
442 $record .= sprintf( "%10.6f %11.6f ", $im_lat, $im_lon );
444 # print "Updating (common): $apt_id - $rwy\n";
445 $ILS{$apt_id . $rwy} = $record;
449 # update the $type of the record
451 my( $apt_id ) = shift;
453 my( $new_type ) = shift;
457 if ( $ILS{$apt_id . $rwy} ne "" ) {
458 my( $type_code, $type_name, $apt_id, $rwy, $loc_freq, $loc_id,
459 $loc_hdg, $loc_lat, $loc_lon, $gs_elev, $gs_angle, $gs_lat,
460 $gs_lon, $dme_lat, $dme_lon, $om_lat, $om_lon, $mm_lat, $mm_lon,
461 $im_lat, $im_lon ) = split( /\s+/, $ILS{$apt_id . $rwy} );
462 print "Updating type: $apt_id $rwy: $type_name -> $new_type\n";
463 $type_name = $new_type;
464 &update_record( $apt_id, $rwy, $type_name, $loc_freq, $loc_id,
465 $loc_hdg, $loc_lat, $loc_lon, $gs_elev,
466 $gs_angle, $gs_lat, $gs_lon, $dme_lat,
467 $dme_lon, $om_lat, $om_lon, $mm_lat,
468 $mm_lon, $im_lat, $im_lon );
470 die "Error, trying to update $apt_id - $rwy which doesn't exist\n";
475 # convert a lon/lat coordinate in various formats to signed decimal
479 my( $dir, $deg, $min, $sec );
482 $coord = &strip_ws( $coord );
484 if ( $coord =~ m/^[WE]/ ) {
485 ( $dir, $deg, $min, $sec )
486 = $coord =~ m/^([EW])(\d\d\d)(\d\d)(\d\d\d\d)/;
487 $value = $deg + $min/60.0 + ($sec/100)/3600.0;
491 } elsif ( $coord =~ m/^[NS]/ ) {
492 ( $dir, $deg, $min, $sec )
493 = $coord =~ m/^([NS])(\d\d)(\d\d)(\d\d\d\d)/;
494 $value = $deg + $min/60.0 + ($sec/100)/3600.0;
498 } elsif ( $coord =~ m/[EW]$/ ) {
499 ($value, $dir) = $coord =~ m/([\d\s\.]+)([EW])/;
503 } elsif ( $coord =~ m/[NS]$/ ) {
504 ($value, $dir) = $coord =~ m/([\d\s\.]+)([NS])/;
509 # print "$dir $deg:$min:$sec = $value\n";
513 # convert a magnetic variation in various formats to signed decimal
516 my( $coord ) = shift;
519 if ( $coord =~ m/^[EW]/ ) {
520 my( $dir, $deg, $min, $date )
521 = $coord =~ m/^([EW])(\d\d\d)(\d\d\d) (\d\d\d\d)/;
522 $value = $deg + ($min/10)/60.0;
526 } elsif ( $coord =~ m/[EW]$/ ) {
528 = $coord =~ m/^(\d\d)([EW])/;
534 # print "$dir $deg:$min = $value\n";
539 # strip white space off front and back of string
542 my( $string ) = shift;