NAME

Catalyst::View::RRDGraph - RRD Graph View Class

SYNOPSIS

use the helper to create your View myapp_create.pl view RRDGraph RRDGraph

from the controller:

  sub routine :Local {
    my ($self, $c) = @_;
    
    $c->stash->{'graph'} = [
            "--lower-limit", "0",
            "--start", "end-1d",
            "--vertical-label", "My Label",
            "--height", 600,
            "--width", 300,
            "DEF:Data=/path/to/rrd.rrd:data:AVERAGE",
            "AREA:Data#0000FF:Data "
    ];
    $c->forward('MyApp::View::RRDGraph');
  }

DESCRIPTION

This view generates RRD graph images from the graph defintion placed in the stash. The controller is responsable of placing an ARRAYREF in $c-stash->{'graph'}> with the same data as to generate a graph with the RRDs module, except for filename, that will be automatically generated by the view.

CONFIGURATION

Configurations for the view are:

IMG_DIR

Directory to generate temporary image files. Defaults to /tmp/

IMG_FORMAT

Image format for the generated files. 'PNG' by default.

See http://oss.oetiker.ch/rrdtool/doc/rrdgraph.en.html for more info.

METHODS

new

Constructor.

process

Called internally by Catalyst when the view is used.

AUTHOR

    Jose Luis Martinez
    CPAN ID: JLMARTIN
    CAPSiDE
    jlmartinez@capside.com
    http://www.pplusdomain.net

COPYRIGHT

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

The full text of the license can be found in the LICENSE file included with this module.

CPAN RT