diff options
| -rw-r--r-- | lib/DBInfoscreen/Controller/Map.pm | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/lib/DBInfoscreen/Controller/Map.pm b/lib/DBInfoscreen/Controller/Map.pm index 4748e11..4b953dc 100644 --- a/lib/DBInfoscreen/Controller/Map.pm +++ b/lib/DBInfoscreen/Controller/Map.pm @@ -42,84 +42,6 @@ sub get_route_indexes { return ( $from_index, $to_index ); } -# Returns timestamped train positions between stop1 and stop2 (must not have -# intermittent stops) in 10-second steps. -sub estimate_timestamped_positions { - my (%opt) = @_; - - my $from_dt = $opt{from}{dep}; - my $to_dt = $opt{to}{arr}; - my $from_name = $opt{from}{name}; - my $to_name = $opt{to}{name}; - my $features = $opt{features}; - - my $duration = $to_dt->epoch - $from_dt->epoch; - - my @train_positions; - - my @completion_ratios - = map { ( $_ * 10 / $duration ) } ( 0 .. $duration / 10 ); - - my ( $from_index, $to_index ) - = get_route_indexes( $features, $from_name, $to_name ); - - my $location_epoch = $from_dt->epoch; - my $distance = GIS::Distance->new; - - if ( defined $from_index and defined $to_index ) { - my $total_distance = 0; - for my $j ( $from_index + 1 .. $to_index ) { - my $prev = $features->[ $j - 1 ]{geometry}{coordinates}; - my $this = $features->[$j]{geometry}{coordinates}; - if ( $prev and $this ) { - $total_distance - += $distance->distance_metal( $prev->[1], $prev->[0], - $this->[1], $this->[0] ); - } - } - my @marker_distances = map { $total_distance * $_ } @completion_ratios; - $total_distance = 0; - for my $j ( $from_index + 1 .. $to_index ) { - my $prev = $features->[ $j - 1 ]{geometry}{coordinates}; - my $this = $features->[$j]{geometry}{coordinates}; - if ( $prev and $this ) { - my $prev_distance = $total_distance; - $total_distance - += $distance->distance_metal( $prev->[1], $prev->[0], - $this->[1], $this->[0] ); - for my $i ( @train_positions .. $#marker_distances ) { - my $marker_distance = $marker_distances[$i]; - if ( $total_distance > $marker_distance ) { - - # completion ratio for the line between (prev, this) - my $sub_ratio = 1; - if ( $total_distance != $prev_distance ) { - $sub_ratio = ( $marker_distance - $prev_distance ) - / ( $total_distance - $prev_distance ); - } - - my $lat = $prev->[1] - + ( $this->[1] - $prev->[1] ) * $sub_ratio; - my $lon = $prev->[0] - + ( $this->[0] - $prev->[0] ) * $sub_ratio; - - push( @train_positions, - [ $location_epoch, $lat, $lon ] ); - $location_epoch += 10; - } - } - if ( @train_positions == @completion_ratios ) { - return @train_positions; - } - } - } - if (@train_positions) { - return @train_positions; - } - } - return; -} - # Input: # now: DateTime # from: current/previous stop @@ -305,146 +227,6 @@ sub estimate_train_positions2 { }; } -sub estimate_train_intersection { - my (%opt) = @_; - my @route1 = @{ $opt{routes}[0] // [] }; - my @route2 = @{ $opt{routes}[1] // [] }; - - my $ret; - - my $i1 = 0; - my $i2 = 0; - - my @pairs; - my @meeting_points; - my $distance = GIS::Distance->new; - - # skip last route element as we compare route[i] with route[i+1] - while ( $i1 < $#route1 and $i2 < $#route2 ) { - my $dep1 = $route1[$i1]{dep}; - my $arr1 = $route1[ $i1 + 1 ]{arr}; - my $dep2 = $route2[$i2]{dep}; - my $arr2 = $route2[ $i2 + 1 ]{arr}; - - if ( not( $dep1 and $arr1 ) ) { - - #say "skip 1 $route1[$i1]{name}"; - $i1++; - next; - } - - if ( not( $dep2 and $arr2 ) ) { - - #say "skip 2 $route2[$i2]{name}"; - $i2++; - next; - } - - if ( $arr1 <= $dep2 ) { - $i1++; - } - elsif ( $arr2 <= $dep1 ) { - $i2++; - } - elsif ( $arr2 <= $arr1 ) { - push( @pairs, [ $i1, $i2 ] ); - if ( $route1[$i1]{name} eq $route2[ $i2 + 1 ]{name} - and $route2[$i2]{name} eq $route1[ $i1 + 1 ]{name} ) - { - # both i1 name == i2+1 name and i1 name == i2 name are valid cases - # (trains don't just intersect when they travel in opposing - # directions -- they may also travel in the same direction - # with different speed and overtake each other). - # We need both stop pairs later on, so we save both. - $ret->{stop_pair} = [ - [ $route1[$i1]{name}, $route1[ $i1 + 1 ]{name} ], - [ $route2[$i2]{name}, $route2[ $i2 + 1 ]{name} ] - ]; - } - $i2++; - } - elsif ( $arr1 <= $arr2 ) { - push( @pairs, [ $i1, $i2 ] ); - if ( $route1[$i1]{name} eq $route2[ $i2 + 1 ]{name} - and $route2[$i2]{name} eq $route1[ $i1 + 1 ]{name} ) - { - $ret->{stop_pair} = [ - [ $route1[$i1]{name}, $route1[ $i1 + 1 ]{name} ], - [ $route2[$i2]{name}, $route2[ $i2 + 1 ]{name} ] - ]; - } - $i1++; - } - else { - $i1++; - } - } - - for my $pair (@pairs) { - my ( $i1, $i2 ) = @{$pair}; - my @train1_positions = estimate_timestamped_positions( - from => $route1[$i1], - to => $route1[ $i1 + 1 ], - features => $opt{features}[0], - ); - my @train2_positions = estimate_timestamped_positions( - from => $route2[$i2], - to => $route2[ $i2 + 1 ], - features => $opt{features}[1], - ); - $i1 = 0; - $i2 = 0; - while ( $i1 <= $#train1_positions and $i2 <= $#train2_positions ) { - if ( $train1_positions[$i1][0] < $train2_positions[$i2][0] ) { - $i1++; - } - elsif ( $train1_positions[$i2][0] < $train2_positions[$i2][0] ) { - $i2++; - } - else { - if ( - ( - my $distance_km = $distance->distance_metal( - $train1_positions[$i1][1], - $train1_positions[$i1][2], - $train2_positions[$i2][1], - $train2_positions[$i2][2] - ) - ) < 1 - ) - { - my $ts = DateTime->from_epoch( - epoch => $train1_positions[$i1][0], - time_zone => 'Europe/Berlin' - ); - $ret->{first_meeting_time} //= $ts; - push( - @meeting_points, - { - timestamp => $ts, - lat => ( - $train1_positions[$i1][1] - + $train2_positions[$i2][1] - ) / 2, - lon => ( - $train1_positions[$i1][2] - + $train2_positions[$i2][2] - ) / 2, - distance => $distance_km, - } - ); - } - $i1++; - $i2++; - } - } - } - - $ret->{meeting_points} = \@meeting_points; - - return $ret; -} - sub route_to_ajax { my (@stopovers) = @_; @@ -549,130 +331,6 @@ sub polyline_to_line_pairs { return @line_pairs; } -sub intersection { - my ($self) = @_; - - my @trips = split( qr{;}, $self->stash('trips') ); - my @trip_ids = map { [ split( qr{,}, $_ ) ] } @trips; - - $self->render_later; - - my @polyline_requests - = map { $self->hafas->get_polyline_p( @{$_} ) } @trip_ids; - Mojo::Promise->all(@polyline_requests)->then( - sub { - my ( $pl1, $pl2 ) = map { $_->[0] } @_; - my @polyline1 = @{ $pl1->{polyline} }; - my @polyline2 = @{ $pl2->{polyline} }; - my @station_coordinates; - - my @markers; - my $next_stop; - - my $now = DateTime->now( time_zone => 'Europe/Berlin' ); - - my @line1_pairs = polyline_to_line_pairs(@polyline1); - my @line2_pairs = polyline_to_line_pairs(@polyline2); - - my @route1 - = stopovers_to_route( @{ $pl1->{raw}{stopovers} // [] } ); - my @route2 - = stopovers_to_route( @{ $pl2->{raw}{stopovers} // [] } ); - - my $train1_pos = $self->estimate_train_positions2( - now => $now, - route => \@route1, - features => $pl1->{raw}{polyline}{features}, - ); - - my $train2_pos = $self->estimate_train_positions2( - now => $now, - route => \@route2, - features => $pl2->{raw}{polyline}{features}, - ); - - my $intersection = estimate_train_intersection( - routes => [ \@route1, \@route2 ], - features => [ - $pl1->{raw}{polyline}{features}, - $pl2->{raw}{polyline}{features} - ], - ); - - for my $meeting_point ( @{ $intersection->{meeting_points} } ) { - push( - @station_coordinates, - [ - [ $meeting_point->{lat}, $meeting_point->{lon} ], - [ $meeting_point->{timestamp}->strftime('%H:%M') ] - ] - ); - } - - push( - @markers, - { - lat => $train1_pos->{position_now}[0], - lon => $train1_pos->{position_now}[1], - title => $pl1->{name} - }, - { - lat => $train2_pos->{position_now}[0], - lon => $train2_pos->{position_now}[1], - title => $pl2->{name} - }, - ); - - $self->render( - 'route_map', - title => "DBF", - hide_opts => 1, - with_map => 1, - intersection => 1, - train1_no => - scalar( $pl1->{raw}{line}{additionalName} // $pl1->{name} ), - train2_no => - scalar( $pl2->{raw}{line}{additionalName} // $pl2->{name} ), - likely_pair => $intersection->{stop_pair} - ? $intersection->{stop_pair}[0] - : undef, - time => scalar $intersection->{first_meeting_time}, - polyline_groups => [ - { - polylines => [ @line1_pairs, @line2_pairs ], - color => '#ffffff', - opacity => 0, - fit_bounds => 1, - }, - { - polylines => [@line1_pairs], - color => '#005080', - opacity => 0.6, - }, - { - polylines => [@line2_pairs], - color => '#800050', - opacity => 0.6, - } - ], - markers => [@markers], - station_coordinates => [@station_coordinates], - ); - } - )->catch( - sub { - my ($err) = @_; - $self->render( - 'route_map', - title => "DBF", - hide_opts => 1, - with_map => 1, - error => $err, - ); - } - )->wait; -} - sub backpropagate_delay { my ( $self, $prev_stop, $next_stop ) = @_; |