#
-# show the distance and bearing each QRA locator
+# show the distance and bearing to a QRA locator
+#
+# you can enter two qra locators and it will calc the distance between them
+#
#
-# $Id$
#
my ($self, $line) = @_;
my @list = split /\s+/, $line; # generate a list of callsigns
+return (1, $self->msg('qrashe1')) unless @list > 0;
-my $l;
my @out;
+
+# every thing is dealt with in upper case
+$line = uc $line;
+
+# convert a lat/long into a qra locator if we see a pattern looking like a lat/long
+if (is_latlong($line)) {
+ my ($llat, $llong) = DXBearing::stoll(uc $line);
+ return (1, "QRA $line = " . DXBearing::lltoqra($llat, $llong));
+}
+
+# get the user's lat/long else the cluster's (and whinge about it)
my $lat = $self->user->lat;
my $long = $self->user->long;
if (!$long && !$lat) {
push @out, $self->msg('heade1');
- $lat = $main::mylat;
- $long = $main::mylong;
+ $lat = $main::mylatitude;
+ $long = $main::mylongitude;
}
-foreach $l (@list) {
- # locators --->
- if (DXBearing::is_qra($l) || $l =~ /^[A-Za-z][A-Za-z]\d\d$/) {
- my $qra = uc $l;
- $qra .= 'MM' if $l =~ /^[A-Za-z][A-Za-z]\d\d$/;
-
- my ($qlat, $qlong) = DXBearing::qratoll($qra);
- my ($b, $dx) = DXBearing::bdist($lat, $long, $qlat, $qlong);
- my ($r, $rdx) = DXBearing::bdist($qlat, $qlong, $lat, $long);
- push @out, sprintf "%-9s Bearing: %.0f Recip: %.0f %.0fKm %.0fMi", $qra, $b, $r, $dx, $dx * 0.62133785;
- }
-}
+unshift @list, $self->user->qra if @list == 1 && $self->user->qra;
+unshift @list, DXBearing::lltoqra($lat, $long) unless @list > 1;
+
+# check from qra
+my $f = uc $list[0];
+$f .= 'MM' if $f =~ /^[A-Z][A-Z]\d\d$/;
+return (1, $self->msg('qrae2', $f)) unless is_qra($f);
+($lat, $long) = DXBearing::qratoll($f);
+
+# check to qra
+my $l = uc $list[1];
+$l .= 'MM' if $l =~ /^[A-Z][A-Z]\d\d$/;
+return (1, $self->msg('qrae2', $l)) unless is_qra($l);
+my ($qlat, $qlong) = DXBearing::qratoll($l);
+
+# generate alpha lat/long
+my $fll = DXBearing::lltos($lat, $long);
+$fll =~ s/\s+([NSEW])/$1/g;
+my $tll = DXBearing::lltos($qlat, $qlong);
+$tll =~ s/\s+([NSEW])/$1/g;
+
+# calc bearings and distances
+my ($b, $dx) = DXBearing::bdist($lat, $long, $qlat, $qlong);
+my ($r, $rdx) = DXBearing::bdist($qlat, $qlong, $lat, $long);
+my $to = '';
+
+$to = "->\U$list[1]($tll)" if $f;
+my $from = "\U$list[0]($fll)" ;
+
+push @out, sprintf "$from$to To: %.0f Fr: %.0f Dst: %.0fMi %.0fKm", $b, $r, $dx * 0.62133785, $dx;
return (1, @out);
+