NAME

Map::Tube::Graph - Graph output for Map::Tube.

SYNOPSIS

 use Map::Tube::Graph;
 my $obj = Map::Tube::GraphViz->new(%params);
 my $graph = $obj->graph;

METHODS

new(%params)

 Constructor.

• callback_edge

   Edge callback.
   Default value is this:
   sub { 
           my ($self, $node, $link) = @_;
           $self->{'graph'}->add_edge($node->id, $link);
           return;
   }

• callback_vertex

   Vertex callback.
   Default value is this:
   sub { 
           my ($self, $node) = @_;
           $self->{'graph'}->add_vertex($node->id);
           return;
   }

• graph

   Graph object.
   Default value is Graph->new.

• tube

   Map::Tube object.
   It is required.
   Default value is undef.

graph()

 Get Graph object.
 Returns Graph object.

ERRORS

 new():
         Cannot load UNIVERSAL::DOES module.
         Parameter 'tube' is required.
         Parameter 'tube' must be 'Map::Tube' object.
         From Class::Utils::set_params():
                 Unknown parameter '%s'.

EXAMPLE

 use strict;
 use warnings;

 use English;
 use Error::Pure qw(err);
 use Map::Tube::Graph;

 # Arguments.
 if (@ARGV < 1) {
         print STDERR "Usage: $0 metro\n";
         exit 1;
 }
 my $metro = $ARGV[0];
 
 # Object.
 my $class = 'Map::Tube::'.$metro;
 eval "require $class;";
 if ($EVAL_ERROR) {
         err "Cannot load '$class' class.",
                 'Error', $EVAL_ERROR;
 }
 
 # Metro object.
 my $tube = eval "$class->new";
 if ($EVAL_ERROR) {
         err "Cannot create object for '$class' class.",
                 'Error', $EVAL_ERROR;
 }
 
 # GraphViz object.
 my $g = Map::Tube::Graph->new(
         'tube' => $tube,
 );
 
 # Get graph.
 my $graph = $g->graph;

 # Output.
 print $graph."\n";

 # Output without arguments like:
 # Usage: /tmp/SZXfa2g154 metro

 # Output with 'Prague' argument like:
 # A02-A01,A02-A03,A04-A03,A04-MUSTEK,A07-A08,A07-MUZEUM,A08-A09,A09-A10,A11-A10,A11-A12,A13-A12,B01-B02,B03-B02,B03-B04,B05-B04,B05-B06,B07-B06,B08-B07,B08-B09,B10-B09,B10-B11,B11-B12,B17-B16,B17-B18,B18-B19,B19-B20,B21-B20,B21-B22,B22-B23,B24-B23,C01-C02,C03-C02,C04-C03,C04-C05,C06-C05,C06-C07,C09-MUZEUM,C11-C12,C11-MUZEUM,C13-C12,C13-C14,C14-C15,C16-C15,C16-C17,C18-C17,C18-C19,C20-C19,FLORENC-B14,FLORENC-B16,FLORENC-C07,FLORENC-C09,MUSTEK-B12,MUSTEK-B14,MUSTEK-MUZEUM

DEPENDENCIES

Class::Utils, English, Error::Pure, Graph, List::Util, Scalar::Util.

UNIVERSAL::DOES if doesn't exists in Perl.

SEE ALSO

Map::Tube

Core library as Role (Moo) to process map data.

Map::Tube::GraphViz

GraphViz output for Map::Tube.

Map::Tube::Plugin::Graph

Graph plugin for Map::Tube.

Map::Tube::Text::Table

Table output for Map::Tube.

Task::Map::Tube

Install the Map::Tube modules.

REPOSITORY

https://github.com/michal-josef-spacek/Map-Tube-Graph

AUTHOR

Michal Josef Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2014-2023 Michal Josef Špaček

Artistic License

BSD 2-Clause License

VERSION

0.06