NAME

Hypatia::Chart::Clicker::Bar - Bar Charts with Hypatia and Chart::Clicker

VERSION

version 0.023

ATTRIBUTES

columns

The required column types are x and y (ie the default given by Hypatia). Each of the values for this attribute may be either a string (indicating one column) or an array reference of strings (indicating several columns). In the latter case, the number of x and y columns must match and each respective x and y column will form its own bar chart. In the former case, the single x column will act as the same x column for all of the y columns.

If the columns attribute is not set, then column guessing is used as needed via the algorithm described in Hypatia::Chart::Clicker::Role::XY.

stacked

A boolean value indicating whether or not the graph should be a stacked bar graph (ie whether or not the y values should be treated cumulatively). This is disabled by default.

baseline

A numeric value indicating where the baseline should be on the y-axis. Bars with values below the baseline will be considered "negative", and will point downwards. Take a look at https://github.com/gphat/chart-clicker-examples/blob/master/bar/bar-baseline.png and https://github.com/gphat/chart-clicker-examples/blob/master/bar/bar-baseline.pl for an example.

If this attribute isn't set (which is the default), then there is no baseline.

AUTHOR

Jack Maney <jack@jackmaney.com>

COPYRIGHT AND LICENSE

This software is copyright (c) 2012 by Jack Maney.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.