--- web/googlemap.cgi 2007/12/03 14:25:40 14
+++ web/googlemap.cgi 2007/12/07 00:59:05 24
@@ -26,13 +26,11 @@
print $q->header;
-print qq{
-
-Read GPS - NMEA sentence and display it on GoogleMaps
-
+my $head = '';
+my $html = join('', qq{
Select GPS NMEA dump
},
- $q->start_form,
+ $q->start_form( -id => 'trace_frm' ),
$q->popup_menu(
-name => 'trace',
-values => [
@@ -43,55 +41,143 @@
(stat("$trace_path/$a"))[10] <=> (stat("$trace_path/$b"))[10]
} @traces
],
+ -onChange => 'trace_frm.submit()',
),
$q->submit( -value => 'Show trace' ),
- $q->end_form;
+ $q->br,
+ 'Draw as ',
+ $q->checkbox(
+ -name => 'line',
+ -onChange => 'trace_frm.submit()',
+ ),
+ ' with ',
+ $q->popup_menu(
+ -name => 'placemark_filter',
+ -values => [ 'every', 'total of' ],
+ ),
+ $q->textfield(
+ -name => 'placemark',
+ -value => 5,
+ -size => 2,
+ -onChange => 'trace_frm.submit()',
+ ),
+ ' placemarks',
+ $q->end_form,
+);
+
+
if ( my $trace = $q->param('trace') ) {
$trace =~ s/\s.+$//;
- my $map = HTML::GoogleMaps->new(key => $map_key);
- #$map->center(point => "Zagreb, Hrvatska");
-
$trace = "$trace_path/$trace";
my $points = 0;
+ my $center_point;
+ my @points;
+ my @placemarks;
open(my $fh, '<', $trace) || die "can't open $trace: $!";
while( <$fh> ) {
my $hash = NMEA->line( $_ ) || next;
- $map->add_marker(
- point => [ $hash->{lon}, $hash->{lat} ],
+ my $point = [ $hash->{lon}, $hash->{lat} ];
+ $center_point ||= $point;
+
+ push @points, $point;
+
+ push @placemarks, {
+ point => $point,
html => join('
',
map {
ucfirst($_) . ': ' . $hash->{$_}
} ( qw/time lat lon speed course/ )
),
- );
+ };
$points++;
+
}
close($fh);
- #$map->zoom(10);
- #$map->v2_zoom(0);
- $map->controls("large_map_control", "map_type_control");
- $map->map_type('hybrid');
+ if ( $points > 0 ) {
+
+ my $map = HTML::GoogleMaps->new(
+ key => $map_key,
+ width => '800px',
+ height => '600px',
+ );
+ #$map->center(point => "Zagreb, Hrvatska");
+
+ #$map->zoom(10);
+ $map->v2_zoom(20);
+ $map->controls("large_map_control", "map_type_control");
+ $map->map_type('hybrid');
+ $map->center( $center_point ) if $q->param('line') && $center_point;
+
+ if ( $q->param('line') ) {
+ warn "## points = ",dump( @points );
+ $map->add_polyline( points => [ @points ] );
+ }
+
+ my $placemarks = 0;
+
+ if ( my $placemark = $q->param('placemark') ) {
+ if ( $q->param('placemark_filter') eq 'every' ) {
+ foreach my $o ( 0 .. $#placemarks ) {
+ next unless $o % $placemark == 0;
+ $map->add_marker( %{ $placemarks[$o] } );
+ $placemarks++;
+ }
+ } else {
+ # total of
+ my $d = $points / ( $placemark - 1 );
+ foreach my $p ( 0 .. $placemark - 2 ) {
+ my $o = int($p * $d);
+ die "no placemark $p at $o from total of $#placemarks" unless $placemarks[$o];
+ $map->add_marker( %{ $placemarks[$o] } );
+ $placemarks++;
+ }
+ # add last one
+ $map->add_marker( %{ $placemarks[$#placemarks] } );
+ $placemarks++;
+ }
+ } else {
+ # show every placemark
+ foreach my $marker ( @placemarks ) {
+ $map->add_marker( %$marker );
+ $placemarks++;
+ }
+ }
- my ($head, $map_div, $map_script) = $map->render;
+ my ( $map_div, $map_script );
+ ( $head, $map_div, $map_script ) = $map->render;
- print qq{
-Plotting $points points from }, $q->param('trace'), qq{
+ $html .= join('', qq{
+$points points from }, $q->param('trace'), qq{ showing },
+ $#points > 0 ? $#points + 1 . ' points' . ( $placemarks ? ' and ' : '' ) : '',
+ $placemarks ? $placemarks . ' placemarks' : '',
+ qq{
$map_div
$map_script
GPS - NMEA sentence information
- };
+ });
+
+ } else {
+ $html .= 'No points found for ' . $q->param('trace') . '';
+ }
}
print qq{
+
+
+Read GPS - NMEA sentence and display it on GoogleMaps
+$head
+
+
+$html
};