--- cup.perl	2013/11/17 20:18:17	1.2
+++ cup.perl	2025/05/18 05:59:20	1.6
@@ -1,33 +1,115 @@
 #! /usr/bin/perl -w
-# $Id: cup.perl,v 1.2 2013/11/17 20:18:17 philip Exp $
-use XML::Simple;
+# $Id: cup.perl,v 1.6 2025/05/18 05:59:20 philip Exp $
+use JSON;
 use strict;
 
-my $strips;
+my $json = JSON->new;
+
+open my $fh, '<', 'OmLand.geojson' or die "error opening OmLand.geojson $!\n";
+my $text =  do { local $/; <$fh> };
+close $fh;
+
+my $geojson = $json->decode( $text );
 
-my $xml = "OmLand.xml";
-if ( defined $xml ){
-    $strips = XMLin($xml, KeyAttr => {strip => 'id'});
-}
 
 open CUP, "> OmLand.cup" or die "Couldn't open OmLand.cup: $!\n";
 
-print CUP "name,code,country,lat,lon,elev,style,rwdir,rwlen,freq,desc,userdata,pics\n";
+#name,code,country,lat,lon,elev,style,rwdir,rwlen,freq,desc,userdata,pics
 #"Ahuriri",0002,NZ,4414.000S,16936.000E,756.0m,1,,,,"Mouth of Canyon Creek",,
 
+# Style is 
+# 1 Normal waypoint
+# 2 Airfield grass
+# 3 Outlanding
+# 4 Glider site
+# 5 Airfield sealed
+# 6 Mountain Pass
+# 7 Mountain Top
+# 8 Sender
+# 9 VOR
+# 10 NDB
+# 11 Cooling tower
+# 12 Dam
+# 13 Tunnel
+# 14 Bridge
+# 15 Power plant
+# 16 Castle
+# 17 Intersection
+
 my %strips;
 
-foreach my $stripnum ( keys %{$strips->{strip}} ){
- print CUP qq["$strips->{strip}->{$stripnum}->{name}",];
- print CUP qq["$stripnum",NZ,];
- $strips->{strip}->{$stripnum}->{lat} =~ s/://;
- print CUP $strips->{strip}->{$stripnum}->{lat} . ",";
- $strips->{strip}->{$stripnum}->{lng} =~ s/://;
- print CUP $strips->{strip}->{$stripnum}->{lng} . ",";
- print CUP $strips->{strip}->{$stripnum}->{elev} . "f,3,,,,";
- if ( defined $strips->{strip}->{$stripnum}->{location} ) {
-  print CUP qq{"$strips->{strip}->{$stripnum}->{location}"};
+foreach my $feature ( @{$geojson->{'features'}} ){
+ if ( ! defined $feature->{'properties'}->{'aip'} ) {
+  print CUP cupstr($feature);
  }
- print CUP ",,\r\n";
 }
+
 close CUP;
+
+exit;
+
+sub cupstr {
+ my $feature = shift(@_);
+ my $location = "";
+ my $rwlen = "";
+ my $rwdir = "";
+ my $freq = "";
+ if ( defined $feature->{'properties'}->{'location'} ) {
+  $location = $feature->{'properties'}->{'location'};
+ }
+ if ( defined $feature->{'properties'}->{'rwlen'} ) {
+  $rwlen = $feature->{'properties'}->{'rwlen'};
+ }
+ if ( defined $feature->{'properties'}->{'rwdir'} ) {
+  $rwdir = $feature->{'properties'}->{'rwdir'};
+ }
+ if ( defined $feature->{'properties'}->{'freq'} ) {
+  $freq = qq{"$feature->{'properties'}->{'freq'}"};
+ }
+ return sprintf( qq{"%s","L%s",NZ,%s,%s,%0.1fm,3,%s,%s,%s,"%s",,\r\n},
+  $feature->{'properties'}->{'name'},
+  $feature->{'id'},
+  printlat($feature->{'geometry'}->{'coordinates'}->[1]),
+  printlon($feature->{'geometry'}->{'coordinates'}->[0]),
+  $feature->{'geometry'}->{'coordinates'}->[2],
+  $rwlen,
+  $rwdir,
+  $freq,
+  $location);
+}
+
+sub printlat {
+ my $latitude = shift(@_);
+ my $minutes = 0;
+ my $degrees = 0;
+ my $northing = "";
+
+ if ($latitude < 0) {
+  $northing = "S";
+  $latitude = 0 - $latitude;
+ }
+ else{
+  $northing = "N";
+ }
+ $degrees = int($latitude);
+ $minutes = ($latitude - $degrees) * 60;
+ return sprintf("%d%06.3f%s",$degrees,$minutes,$northing);
+}
+
+sub printlon {
+ my $longitude = shift(@_);
+ my $minutes = 0;
+ my $degrees = 0;
+ my $westing = "";
+ if ($longitude < 0) {
+  $westing = "W";
+  $longitude = 0 - $longitude;
+ }
+ else{
+  $westing = "E";
+ }
+ $degrees = int($longitude);
+ $minutes = ($longitude - $degrees) * 60;
+ return sprintf("%d%06.3f%s",$degrees,$minutes,$westing);
+}
+