Tony Cook > Imager-Graph-0.10 > Imager::Graph::Horizontal

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Module Version: 0.10   Source  

NAME ^

  Imager::Graph::Horizontal - A super class for line/bar charts
add_data_series(\@data, $series_name)

Add a data series to the graph, of the default type.

add_bar_data_series(\@data, $series_name)

Add a bar data series to the graph.

add_line_data_series(\@data, $series_name)

Add a line data series to the graph.

set_column_padding($int)

Sets the number of pixels that should go between columns of data.

set_negative_background($color)

Sets the background color or fill used below the y axis.

draw()

Draw the graph

show_vertical_gridlines()

Shows vertical gridlines at the y-tics.

Feature: vertical_gridlines

set_vertical_gridline_style(color => ..., style => ...)

Set the color and style of the lines drawn for gridlines.

Style equivalent: vgrid

show_line_markers()
show_line_markers($value)

Feature: linemarkers.

If $value is missing or true, draw markers on a line data series.

Note: line markers are drawn by default.

use_automatic_axis()

Automatically scale the Y axis, based on Chart::Math::Axis. If Chart::Math::Axis isn't installed, this sets an error and returns undef. Returns 1 if it is installed.

set_x_tics($count)

Set the number of X tics to use. Their value and position will be determined by the data range.

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