Summary

G::Tools::Graph - Perl extension for blah blah blah

Package variables

Included modules

Inherit

AutoLoader Exporter

Synopsis

  use G::Tools::Graph;
  blah blah blah

Description

Stub documentation for G::Tools::Graph was created by h2xs. It looks like the
author of the extension was negligent enough to leave the stub
unedited.
Blah blah blah.

Methods

Methods description

None available.

Methods code

BEGIN {

    eval "use GD::Graph::lines;";
    if($@){ warn "$@" };
    eval "use Chart::Graph qw(gnuplot);";
    if($@){ warn "$@" };

}

sub DESTROY {

    my $self = shift;

}

sub _UniMultiGrapher {

    &opt_default(x=>"x", y=>"y", title=>"graph", 
		   filename=>"graph.png", type=>"columns",
		 style=>"lines", grapher=>"gnuplot");

    mkdir ("graph", 0777);    
    my @args = opt_get(@_);

    if (opt_val("grapher") eq 'gnuplot' && 'MSWin32' ne $^O){
	my $ref_y = shift @args;
	my @command = ({"title" => opt_val("title"),
			    "output file" => 'graph/' . opt_val("filename"),
			    "x-axis label" => opt_val("x"),
			"y-axis label" => opt_val("y")}, );
	my $i = 1;
	foreach my $ref_x (@args){
	    my $title = opt_val("x$i");
	    $title = "x$i" if ($title eq '');
	    
	    push (@command,
		  [{"title" => $title,
		    "style" => opt_val("style"),
		    "type" => opt_val("type")},
		          $ref_y, $ref_x, ]
		  );
	    $i ++;
	}
    
	gnuplot(@command);
    }else{
	my $graph = GD::Graph::lines->new(640, 480);
	my $skip = int(scalar(@{$args[0]}) / 10);
	   $graph->set(
		       x_label => opt_val("x"),
		       y_label => opt_val("y"),
		       title => opt_val("title"),
		              x_label_skip => $skip,
		       );
	my $i = 1;
	my @legend;
	while(opt_val("x$i")){
	    push (@legend, opt_val("x$i"));
	    $i ++;
	}
	$graph->set_legend(@legend) if (scalar(@legend));
	my $gd = $graph->plot(\@args);

	open(IMG, '>graph/' . opt_val("filename")) or die $!;
	binmode IMG;
	print IMG $gd->png;
	close(IMG);
    }

}

sub _UniUniGrapher {

    &opt_default(x=>"x", y=>"y", title=>"graph", 
		 filename=>"graph.gif",
		 style=>"lines", type=>"columns");

    my @args = opt_get(@_);
    my $array_ref1 = shift;
    my $array_ref2 = shift;
    my $title = shift;
    mkdir("graph", 0777);
    gnuplot(
	    {"title" => opt_val("title"),
	     "output file" => 'graph/' . opt_val("filename"),
	     "x-axis label" => opt_val("x"),
	     "y-axis label" => opt_val("y")},

	    [{"title" => opt_val("title"),
	      "style" => opt_val("style"),
	      "type" => opt_val("type")},
	      $array_ref1, $array_ref2, ],
	     );

}

General documentation

A. U. Thor, a.u.thor@a.galaxy.far.far.away

perl(1).