569 lines
19 KiB
Perl
Executable file
569 lines
19 KiB
Perl
Executable file
#!/usr/bin/perl
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########################################################################
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# Convert DAFIFT ARPT/ILS.TXT to FlightGear format.
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########################################################################
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use strict;
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my($faa_ils_file) = shift(@ARGV);
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my($dafift_arpt_file) = shift(@ARGV);
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my($dafift_ils_file) = shift(@ARGV);
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my($fgfs_ils_file) = shift(@ARGV);
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my($output_file) = shift(@ARGV);
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die "Usage: $0 " .
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"<faa_ils_file> <dafift_arpt_file> <dafift_ils_file> <fgfs_ils_file> <output_file>\n"
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if !defined($faa_ils_file) || !defined($dafift_arpt_file)
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|| !defined($dafift_ils_file) || !defined($fgfs_ils_file)
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|| !defined($output_file);
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my( %CODES );
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my( %CodesByICAO );
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my( %ILS );
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my( %AIRPORTS );
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&load_dafift( $dafift_arpt_file, $dafift_ils_file );
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&load_faa( $faa_ils_file );
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&load_fgfs( $fgfs_ils_file );
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&write_result( $output_file );
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exit;
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########################################################################
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# Process DAFIFT data
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########################################################################
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sub load_dafift() {
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my( $arpt_file ) = shift;
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my( $ils_file ) = shift;
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my( $record );
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my( $id, $rwy, $type );
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my( $has_dme, $has_gs, $has_loc, $has_im, $has_mm, $has_om );
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my( $dme_lon, $dme_lat, $dme_elev, $dme_bias );
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my( $gs_lon, $gs_lat, $gs_elev, $gs_angle );
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my( $loc_type, $loc_lon, $loc_lat, $loc_elev, $loc_freq, $loc_hdg,
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$loc_width, $loc_id );
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my( $im_lon, $im_lat, $mm_lon, $mm_lat, $om_lon, $om_lat );
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# load airport file so we can lookup ICAO from internal ID
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open( ARPT, "<$arpt_file" ) || die "Cannot open DAFIFT: $arpt_file\n";
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<ARPT>; # skip header line
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while ( <ARPT> ) {
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chomp;
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my(@F) = split(/\t/);
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my($icao) = $F[3];
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if ( length($icao) < 3 ) {
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if ( length( $F[4] ) >= 3 ) {
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$icao = $F[4];
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} else {
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$icao = "[none]";
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}
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}
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$CODES{$F[0]} = $icao;
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$CodesByICAO{$icao} = 1;
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# print "$F[0] - $icao\n";
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}
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# Load the DAFIFT ils file
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my( $last_id, $last_rwy ) = ("", "");
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open( DAFIFT_ILS, "<$ils_file" ) || die "Cannot open DAFIFT: $ils_file\n";
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<DAFIFT_ILS>; # skip header line
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while ( <DAFIFT_ILS> ) {
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chomp;
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my @F = split(/\t/);
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$id = $F[0];
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$rwy = $F[1];
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if ( $last_id ne "" && ($last_id ne $id || $last_rwy ne $rwy) ) {
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# just hist the start of the next record, dump the current data
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if ( ! $has_gs ) {
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( $gs_elev, $gs_angle, $gs_lat, $gs_lon ) = ( 0, 0, 0, 0 );
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}
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if ( ! $has_dme ) {
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( $dme_lat, $dme_lon ) = ( 0, 0 );
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}
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if ( ! $has_om ) {
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( $om_lat, $om_lon ) = ( 0, 0 );
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}
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if ( ! $has_mm ) {
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( $mm_lat, $mm_lon ) = ( 0, 0 );
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}
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if ( ! $has_im ) {
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( $im_lat, $im_lon ) = ( 0, 0 );
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}
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if ( $ILS{$CODES{$last_id} . $last_rwy} eq "" ) {
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print "DAFIFT adding: $CODES{$last_id} - $last_rwy\n";
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&safe_add_record( $CODES{$last_id}, $last_rwy, "ILS",
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$loc_freq, $loc_id, $loc_hdg, $loc_lat,
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$loc_lon, $gs_elev, $gs_angle, $gs_lat,
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$gs_lon, $dme_lat, $dme_lon, $om_lat,
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$om_lon, $mm_lat, $mm_lon, $im_lat,
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$im_lon );
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}
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$has_dme = 0;
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$has_gs = 0;
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$has_loc = 0;
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$has_im = 0;
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$has_mm = 0;
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$has_om = 0;
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}
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$type = $F[2];
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if ( $type eq "D" ) {
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# DME entry
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$has_dme = 1;
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$dme_lon = make_dcoord( $F[16] );
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$dme_lat = make_dcoord( $F[14] );
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$dme_elev = $F[10];
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if ( $dme_elev !~ m/\d/ ) {
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$dme_elev = "";
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} else {
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$dme_elev += 0;
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}
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$dme_bias = $F[27];
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# print "$id DME $dme_lon $dme_lat $dme_elev $dme_bias\n";
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} elsif ( $type eq "G" ) {
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# GlideSlope entry
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$has_gs = 1;
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$gs_lon = make_dcoord( $F[16] );
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$gs_lat = make_dcoord( $F[14] );
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$gs_elev = $F[10];
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if ( $gs_elev !~ m/\d/ ) {
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$gs_elev = "";
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} else {
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$gs_elev += 0;
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}
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$gs_angle = $F[7];
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# print "$id GS $gs_lon $gs_lat $gs_elev $gs_angle\n";
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} elsif ( $type eq "Z" ) {
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# Localizer entry
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$has_loc = 1;
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$loc_lon = make_dcoord( $F[16] );
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$loc_lat = make_dcoord( $F[14] );
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$loc_elev = $F[10];
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if ( $loc_elev !~ m/\d/ ) {
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$loc_elev = "";
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} else {
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$loc_elev += 0;
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}
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($loc_freq) = $F[5] =~ m/(\d\d\d\d\d\d)/;
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$loc_freq /= 1000.0;
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my( $magvar ) = make_dmagvar( $F[22] );
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# print "mag var = $F[22] (" . $magvar . ")\n";
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$loc_hdg = $F[24] + make_dmagvar( $F[22] );
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$loc_width = $F[25];
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$loc_id = $F[18];
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if ( length( $loc_id ) >= 4 ) {
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$loc_id =~ s/^I//;
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}
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# print "$id LOC $loc_lon $loc_lat $loc_elev $loc_freq $loc_hdg $loc_width\n";
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} elsif ( $type eq "I" ) {
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# Inner marker entry
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$has_im = 1;
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$im_lon = make_dcoord( $F[16] );
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$im_lat = make_dcoord( $F[14] );
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# print "$id IM $im_lon $im_lat\n";
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} elsif ( $type eq "M" ) {
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# Middle marker entry
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$has_mm = 1;
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$mm_lon = make_dcoord( $F[16] );
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$mm_lat = make_dcoord( $F[14] );
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# print "$id MM $mm_lon $mm_lat\n";
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} elsif ( $type eq "O" ) {
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# Outer marker entry
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$has_om = 1;
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$om_lon = make_dcoord( $F[16] );
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$om_lat = make_dcoord( $F[14] );
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# print "$id OM $om_lon $om_lat\n";
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}
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$last_id = $id;
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$last_rwy = $rwy;
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# printf("%-5s %10.6f %11.6f\n", $F[0], $F[14], $F[16]);
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}
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if ( ! $has_gs ) {
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( $gs_elev, $gs_angle, $gs_lat, $gs_lon ) = ( 0, 0, 0, 0 );
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}
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if ( ! $has_dme ) {
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( $dme_lat, $dme_lon ) = ( 0, 0 );
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}
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if ( ! $has_om ) {
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( $om_lat, $om_lon ) = ( 0, 0 );
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}
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if ( ! $has_mm ) {
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( $mm_lat, $mm_lon ) = ( 0, 0 );
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}
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if ( ! $has_im ) {
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( $im_lat, $im_lon ) = ( 0, 0 );
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}
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if ( $ILS{$CODES{$last_id} . $last_rwy} eq "" ) {
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print "DAFIFT adding (last): $CODES{$last_id} - $last_rwy\n";
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&safe_add_record( $CODES{$last_id}, $last_rwy, "ILS", $loc_freq,
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$loc_id, $loc_hdg, $loc_lat, $loc_lon,
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$gs_elev, $gs_angle, $gs_lat, $gs_lon,
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$dme_lat, $dme_lon, $om_lat, $om_lon, $mm_lat,
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$mm_lon, $im_lat, $im_lon );
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}
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}
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########################################################################
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# Process FAA data
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########################################################################
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sub load_faa() {
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my( $file ) = shift;
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open( FAA_ILS, "<$file" ) || die "Cannot open FAA data: $file\n";
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<FAA_ILS>; # skip header line
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while ( <FAA_ILS> ) {
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chomp;
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my ( $rec_type, $faa_id, $rwy, $type, $faa_date,
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$faa_apt_name, $faa_city, $faa_st, $faa_state,
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$faa_region, $id, $faa_len, $faa_wid, $faa_cat,
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$faa_owner, $faa_operator, $faa_bearing, $faa_magvar,
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$loc_type, $loc_id, $loc_freq, $faa_loc_latd,
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$faa_loc_lats, $faa_loc_lond, $faa_loc_lons, $loc_width,
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$faa_stop_dist, $faa_app_dist, $faa_gs_type, $gs_angle,
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$faa_gs_freq, $faa_gs_latd, $faa_gs_lats, $faa_gs_lond,
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$faa_gs_lons, $faa_gs_dist, $gs_elev, $faa_im_type,
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$faa_im_latd, $faa_im_lats, $faa_im_lond, $faa_im_lons,
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$faa_im_dist, $faa_mm_type, $faa_mm_id, $faa_mm_name,
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$faa_mm_freq, $faa_mm_latd, $faa_mm_lats, $faa_mm_lond,
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$faa_mm_lons, $faa_mm_dist, $faa_om_type, $faa_om_id,
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$faa_om_name, $faa_om_freq, $faa_om_latd, $faa_om_lats,
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$faa_om_lond, $faa_om_lons, $faa_om_dist,
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$faa_om_backcourse, $faa_dme_channel, $faa_dme_latd,
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$faa_dme_lats, $faa_dme_lond, $faa_dme_lons, $faa_dme_app_dist,
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$faa_dme_stop_dist, $blank)
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= $_ =~
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m/^(.{4})(.{11})(.{3})(.{10})(.{10})(.{42})(.{26})(.{2})(.{20})(.{3})(.{4})(.{5})(.{4})(.{9})(.{50})(.{50})(.{3})(.{3})(.{15})(.{5})(.{6})(.{14})(.{11})(.{14})(.{11})(.{5})(.{5})(.{6})(.{15})(.{4})(.{6})(.{14})(.{11})(.{14})(.{11})(.{6})(.{7})(.{15})(.{14})(.{11})(.{14})(.{11})(.{6})(.{15})(.{2})(.{5})(.{3})(.{14})(.{11})(.{14})(.{11})(.{6})(.{15})(.{2})(.{5})(.{3})(.{14})(.{11})(.{14})(.{11})(.{6})(.{9})(.{4})(.{14})(.{11})(.{14})(.{11})(.{6})(.{5})(.{34})/;
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$id = &strip_ws( $id );
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$rwy = &strip_ws( $rwy );
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$rwy =~ s/\/$//;
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$rwy =~ s/\/$//;
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$loc_id =~ s/^I-//;
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my( $loc_hdg ) = $faa_bearing + make_dmagvar($faa_magvar);
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my( $loc_lat ) = make_dcoord($faa_loc_lats) / 3600.0;
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my( $loc_lon ) = make_dcoord($faa_loc_lons) / 3600.0;
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# print "$loc_lon $loc_lat $faa_loc_lons $faa_loc_lats\n";
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my( $gs_lat ) = make_dcoord($faa_gs_lats) / 3600.0;
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my( $gs_lon ) = make_dcoord($faa_gs_lons) / 3600.0;
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my( $im_lat ) = make_dcoord($faa_im_lats) / 3600.0;
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my( $im_lon ) = make_dcoord($faa_im_lons) / 3600.0;
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my( $mm_lat ) = make_dcoord($faa_mm_lats) / 3600.0;
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my( $mm_lon ) = make_dcoord($faa_mm_lons) / 3600.0;
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my( $om_lat ) = make_dcoord($faa_om_lats) / 3600.0;
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my( $om_lon ) = make_dcoord($faa_om_lons) / 3600.0;
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my( $dme_lat ) = make_dcoord($faa_dme_lats) / 3600.0;
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my( $dme_lon ) = make_dcoord($faa_dme_lons) / 3600.0;
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# my( $key );
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# print "$id - $rwy\n";
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# $key = $id . $rwy;
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# print "-> $key -> $ILS{$key}\n";
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# $key = "K" . $id . $rwy;
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# print "-> $key -> $ILS{$key}\n";
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if ( $rec_type eq "ILS1" ) {
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if ( length( $id ) < 4 ) {
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if ( $CodesByICAO{"K" . $id} ) {
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$id = "K" . $id;
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}
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}
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if ( $ILS{$id . $rwy} ne "" ) {
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print "FAA updating: $id - $rwy $type\n";
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&update_type( $id, $rwy, $type );
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} else {
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print "FAA adding: $id - $rwy\n";
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&safe_add_record( $id, $rwy, $type, $loc_freq, $loc_id,
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$loc_hdg, $loc_lat, $loc_lon, $gs_elev,
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$gs_angle, $gs_lat, $gs_lon, $dme_lat,
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$dme_lon, $om_lat, $om_lon, $mm_lat,
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$mm_lon, $im_lat, $im_lon );
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}
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}
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}
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}
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########################################################################
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# Process FlightGear ILS data
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########################################################################
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sub load_fgfs() {
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my( $ils_file ) = shift;
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open( FGILS, "zcat $ils_file|" ) || die "Cannot open FGFS: $ils_file\n";
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<FGILS>; # skip header line
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while ( <FGILS> ) {
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chomp;
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if ( ! m/\[End\]/ && length($_) > 1 ) {
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# print "$_\n";
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my( $type_code, $type_name, $icao, $rwy, $loc_freq, $loc_id,
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$loc_hdg, $loc_lat, $loc_lon, $gs_elev, $gs_angle, $gs_lat,
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$gs_lon, $dme_lat, $dme_lon, $om_lat, $om_lon, $mm_lat, $mm_lon,
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$im_lat, $im_lon ) = split(/\s+/);
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my( $code ) = $icao;
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$code =~ s/^K//;
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if ( $ILS{$icao . $rwy} ne "" ) {
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# skip approaches already in FAA or DAFIFT data
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} elsif ( $AIRPORTS{$icao} != 1 && $AIRPORTS{$code} != 1 ) {
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# skip approaches if the FAA or DAFIFT data has any other
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# approach already for this airport. (Avoids carrying over
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# extraneous data if an approach was deactivated or runway
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# numbers were changed.)
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} elsif ( length( $icao ) < 4 || $icao =~ m/^K/ ) {
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# skip USA approaches not found in FAA or DAFIFT data
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} else {
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print "FGFS adding: $icao $rwy\n";
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&safe_add_record( $icao, $rwy, $type_name, $loc_freq, $loc_id,
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$loc_hdg, $loc_lat, $loc_lon, $gs_elev,
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$gs_angle, $gs_lat, $gs_lon, $dme_lat,
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$dme_lon, $om_lat, $om_lon, $mm_lat,
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$mm_lon, $im_lat, $im_lon );
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}
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} else {
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print "FGFS discarding: $_\n";
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}
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}
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}
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########################################################################
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# Write out the accumulated combined result
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########################################################################
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sub write_result() {
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my( $outfile ) = shift;
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open( OUT, ">$outfile" ) || die "Cannot write to: $outfile\n";
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# dump out the final results
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print OUT "// FlightGear ILS data, generated from DAFIFT ARPT/ILS.TXT and FAA data\n";
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my( $key );
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foreach $key ( sort (keys %ILS) ) {
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print OUT "$ILS{$key}\n";
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}
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print OUT "[End]\n";
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}
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########################################################################
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# Utility functions
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########################################################################
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# add a record to the master list if it doesn't already exist
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sub safe_add_record() {
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my( $apt_id ) = shift;
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my( $rwy ) = shift;
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my( $type ) = shift;
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my( $loc_freq ) = shift;
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my( $loc_id ) = shift;
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my( $loc_hdg ) = shift;
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my( $loc_lat ) = shift;
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my( $loc_lon ) = shift;
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my( $gs_elev ) = shift;
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my( $gs_angle ) = shift;
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my( $gs_lat ) = shift;
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my( $gs_lon ) = shift;
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my( $dme_lat ) = shift;
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my( $dme_lon ) = shift;
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my( $om_lat ) = shift;
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my( $om_lon ) = shift;
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my( $mm_lat ) = shift;
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my( $mm_lon ) = shift;
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my( $im_lat ) = shift;
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my( $im_lon ) = shift;
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if ( $ILS{$apt_id . $rwy} eq "" ) {
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# print "Safe adding (common): $apt_id - $rwy\n";
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&update_record( $apt_id, $rwy, $type, $loc_freq, $loc_id,
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$loc_hdg, $loc_lat, $loc_lon, $gs_elev,
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$gs_angle, $gs_lat, $gs_lon, $dme_lat,
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|
$dme_lon, $om_lat, $om_lon, $mm_lat,
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|
$mm_lon, $im_lat, $im_lon );
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|
}
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|
}
|
|
|
|
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|
# replace a record in the master list (or add it if it doesn't exist)
|
|
|
|
sub update_record() {
|
|
my( $apt_id ) = shift;
|
|
my( $rwy ) = shift;
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|
my( $type ) = shift;
|
|
my( $loc_freq ) = shift;
|
|
my( $loc_id ) = shift;
|
|
my( $loc_hdg ) = shift;
|
|
my( $loc_lat ) = shift;
|
|
my( $loc_lon ) = shift;
|
|
my( $gs_elev ) = shift;
|
|
my( $gs_angle ) = shift;
|
|
my( $gs_lat ) = shift;
|
|
my( $gs_lon ) = shift;
|
|
my( $dme_lat ) = shift;
|
|
my( $dme_lon ) = shift;
|
|
my( $om_lat ) = shift;
|
|
my( $om_lon ) = shift;
|
|
my( $mm_lat ) = shift;
|
|
my( $mm_lon ) = shift;
|
|
my( $im_lat ) = shift;
|
|
my( $im_lon ) = shift;
|
|
|
|
my( $record );
|
|
|
|
# remap $type as needed
|
|
$type = &strip_ws( $type );
|
|
if ( $type eq "LOCALIZER" ) {
|
|
$type = "LOC";
|
|
} elsif ( $type eq "ILS/DME" ) {
|
|
$type = "ILS";
|
|
} elsif ( $type eq "SDF/DME" ) {
|
|
$type = "SDF";
|
|
} elsif ( $type eq "LOC/DME" ) {
|
|
$type = "ILS";
|
|
} elsif ( $type eq "LOC/GS" ) {
|
|
$type = "LOC";
|
|
} elsif ( $type eq "LDA/DME" ) {
|
|
$type = "LDA";
|
|
}
|
|
|
|
$record = sprintf( "%1s %-5s %-4s %-3s %06.2f %-4s %06.2f %10.6f %11.6f ",
|
|
substr( $type, 0, 1 ), $type, $apt_id, $rwy,
|
|
$loc_freq, $loc_id, $loc_hdg, $loc_lat, $loc_lon );
|
|
$record .= sprintf( "%5d %5.2f %10.6f %11.6f ",
|
|
$gs_elev, $gs_angle, $gs_lat, $gs_lon );
|
|
$record .= sprintf( "%10.6f %11.6f ", $dme_lat, $dme_lon );
|
|
$record .= sprintf( "%10.6f %11.6f ", $om_lat, $om_lon );
|
|
$record .= sprintf( "%10.6f %11.6f ", $mm_lat, $mm_lon );
|
|
$record .= sprintf( "%10.6f %11.6f ", $im_lat, $im_lon );
|
|
|
|
# print "Updating (common): $apt_id - $rwy\n";
|
|
$ILS{$apt_id . $rwy} = $record;
|
|
$AIRPORTS{$apt_id} = 1;
|
|
}
|
|
|
|
|
|
# update the $type of the record
|
|
sub update_type() {
|
|
my( $apt_id ) = shift;
|
|
my( $rwy ) = shift;
|
|
my( $new_type ) = shift;
|
|
|
|
my( $record );
|
|
|
|
if ( $ILS{$apt_id . $rwy} ne "" ) {
|
|
my( $type_code, $type_name, $apt_id, $rwy, $loc_freq, $loc_id,
|
|
$loc_hdg, $loc_lat, $loc_lon, $gs_elev, $gs_angle, $gs_lat,
|
|
$gs_lon, $dme_lat, $dme_lon, $om_lat, $om_lon, $mm_lat, $mm_lon,
|
|
$im_lat, $im_lon ) = split( /\s+/, $ILS{$apt_id . $rwy} );
|
|
# print "Updating type: $apt_id $rwy: $type_name -> $new_type\n";
|
|
$type_name = $new_type;
|
|
&update_record( $apt_id, $rwy, $type_name, $loc_freq, $loc_id,
|
|
$loc_hdg, $loc_lat, $loc_lon, $gs_elev,
|
|
$gs_angle, $gs_lat, $gs_lon, $dme_lat,
|
|
$dme_lon, $om_lat, $om_lon, $mm_lat,
|
|
$mm_lon, $im_lat, $im_lon );
|
|
} else {
|
|
die "Error, trying to update $apt_id - $rwy which doesn't exist\n";
|
|
}
|
|
}
|
|
|
|
|
|
# convert a lon/lat coordinate in various formats to signed decimal
|
|
|
|
sub make_dcoord() {
|
|
my($coord) = shift;
|
|
my( $dir, $deg, $min, $sec );
|
|
my( $value ) = 0.0;
|
|
|
|
$coord = &strip_ws( $coord );
|
|
|
|
if ( $coord =~ m/^[WE]/ ) {
|
|
( $dir, $deg, $min, $sec )
|
|
= $coord =~ m/^([EW])(\d\d\d)(\d\d)(\d\d\d\d)/;
|
|
$value = $deg + $min/60.0 + ($sec/100)/3600.0;
|
|
if ( $dir eq "W" ) {
|
|
$value = -$value;
|
|
}
|
|
} elsif ( $coord =~ m/^[NS]/ ) {
|
|
( $dir, $deg, $min, $sec )
|
|
= $coord =~ m/^([NS])(\d\d)(\d\d)(\d\d\d\d)/;
|
|
$value = $deg + $min/60.0 + ($sec/100)/3600.0;
|
|
if ( $dir eq "S" ) {
|
|
$value = -$value;
|
|
}
|
|
} elsif ( $coord =~ m/[EW]$/ ) {
|
|
($value, $dir) = $coord =~ m/([\d\s\.]+)([EW])/;
|
|
if ( $dir eq "W" ) {
|
|
$value = -$value;
|
|
}
|
|
} elsif ( $coord =~ m/[NS]$/ ) {
|
|
($value, $dir) = $coord =~ m/([\d\s\.]+)([NS])/;
|
|
if ( $dir eq "S" ) {
|
|
$value = -$value;
|
|
}
|
|
}
|
|
# print "$dir $deg:$min:$sec = $value\n";
|
|
return $value;
|
|
}
|
|
|
|
# convert a magnetic variation in various formats to signed decimal
|
|
|
|
sub make_dmagvar() {
|
|
my( $coord ) = shift;
|
|
my( $value );
|
|
|
|
if ( $coord =~ m/^[EW]/ ) {
|
|
my( $dir, $deg, $min, $date )
|
|
= $coord =~ m/^([EW])(\d\d\d)(\d\d\d) (\d\d\d\d)/;
|
|
$value = $deg + ($min/10)/60.0;
|
|
if ( $dir eq "W" ) {
|
|
$value = -$value;
|
|
}
|
|
} elsif ( $coord =~ m/[EW]$/ ) {
|
|
my( $deg, $dir )
|
|
= $coord =~ m/^(\d\d)([EW])/;
|
|
$value = $deg;
|
|
if ( $dir eq "W" ) {
|
|
$value = -$value;
|
|
}
|
|
}
|
|
# print "$dir $deg:$min = $value\n";
|
|
|
|
return $value;
|
|
}
|
|
|
|
# strip white space off front and back of string
|
|
|
|
sub strip_ws() {
|
|
my( $string ) = shift;
|
|
$string =~ s/^\s+//;
|
|
$string =~ s/\s+$//;
|
|
return $string;
|
|
}
|