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#!/usr/bin/perl |
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|
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use warnings; |
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use strict; |
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|
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use HTML::GoogleMaps; |
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use CGI; |
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use CGI::Carp qw/fatalsToBrowser/; |
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use File::Find; |
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use Data::Dump qw/dump/; |
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|
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use lib '../'; |
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use NMEA; |
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|
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my $trace_path = '/home/dpavlin/x/openmoko/gps/'; |
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|
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# http://localhost/ |
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my $map_key = 'ABQIAAAAVQ5szt9Jd8ws6vgfVQOEmhT2yXp_ZAY8_ufC3CFXhHIE1NvwkxQ1cKf0DwFJcwtpESJEI0hL8QgtYg'; |
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|
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my @traces; |
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find({ wanted => sub { |
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push @traces, $_ if -f $_; |
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}}, $trace_path); |
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|
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my $q = CGI->new; |
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|
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print $q->header; |
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|
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my $head = ''; |
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my $html = join('', qq{ |
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<h1>Select GPS NMEA dump</h1> |
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}, |
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$q->start_form( -id => 'trace_frm' ), |
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$q->popup_menu( |
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-name => 'trace', |
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-values => [ |
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map { |
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"$_ (" . (stat("$trace_path/$_"))[7] . " bytes)" |
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} |
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sort { |
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(stat("$trace_path/$a"))[10] <=> (stat("$trace_path/$b"))[10] |
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} @traces |
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], |
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-onChange => 'trace_frm.submit()', |
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), |
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$q->submit( -value => 'Show trace' ), |
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$q->br, |
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'Draw as ', |
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$q->checkbox( |
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-name => 'line', |
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-onChange => 'trace_frm.submit()', |
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), |
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' with every ', |
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$q->textfield( |
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-name => 'nth_placemark', |
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-value => 5, |
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-size => 2, |
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-onChange => 'trace_frm.submit()', |
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), |
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'<sup>th</sup> placemark', |
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$q->end_form, |
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); |
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|
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|
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my @points; |
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my $center_point; |
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|
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if ( my $trace = $q->param('trace') ) { |
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$trace =~ s/\s.+$//; |
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|
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my $map = HTML::GoogleMaps->new(key => $map_key); |
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#$map->center(point => "Zagreb, Hrvatska"); |
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|
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$trace = "$trace_path/$trace"; |
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|
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my $points = 0; |
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my $nth_placemark = $q->param('nth_placemark'); |
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|
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open(my $fh, '<', $trace) || die "can't open $trace: $!"; |
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while( <$fh> ) { |
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|
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my $hash = NMEA->line( $_ ) || next; |
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|
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my $point = [ $hash->{lon}, $hash->{lat} ]; |
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$center_point ||= $point; |
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|
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|
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if ( $q->param('line') ) { |
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push @points, $point; |
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} |
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|
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if ( ! $q->param('line') || |
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$nth_placemark && $points % $nth_placemark == 0 |
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) { |
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|
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$map->add_marker( |
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point => $point, |
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html => join('<br/>', |
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map { |
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ucfirst($_) . ': ' . $hash->{$_} |
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} ( qw/time lat lon speed course/ ) |
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), |
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); |
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|
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} |
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|
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$points++; |
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|
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} |
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close($fh); |
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|
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if ( $points > 0 ) { |
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|
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#$map->zoom(10); |
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#$map->v2_zoom(0); |
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$map->controls("large_map_control", "map_type_control"); |
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$map->map_type('hybrid'); |
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$map->center( $center_point ) if $q->param('line') && $center_point; |
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|
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if ( $q->param('line') ) { |
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warn "## points = ",dump( @points ); |
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$map->add_polyline( points => [ @points ] ); |
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} |
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|
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my ( $map_div, $map_script ); |
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( $head, $map_div, $map_script ) = $map->render; |
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|
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$html .= join('', qq{ |
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<h1>Plotting $points points from }, $q->param('trace'), qq{</h1> |
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$map_div |
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$map_script |
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<a href="http://aprs.gids.nl/nmea/">GPS - NMEA sentence information</a> |
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}); |
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|
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} else { |
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$html .= '<em>No points found for ' . $q->param('trace') . '</em>'; |
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} |
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|
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} |
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|
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print qq{ |
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<html> |
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<head> |
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<title>Read GPS - NMEA sentence and display it on GoogleMaps</title> |
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$head |
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</head> |
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<body> |
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$html |
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</body> |
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</html> |
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}; |