NAME
Imager::Graph::Vertical- A super class for line/bar/column charts
- add_data_series(\@data, $series_name)
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Add a data series to the graph, of the default type.
- add_column_data_series(\@data, $series_name)
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Add a column data series to the graph.
- add_stacked_column_data_series(\@data, $series_name)
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Add a stacked column data series to the graph.
- add_line_data_series(\@data, $series_name)
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Add a line data series to the graph.
- set_y_max($value)
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Sets the maximum y value to be displayed. This will be ignored if the y_max is lower than the highest value.
- set_y_min($value)
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Sets the minimum y value to be displayed. This will be ignored if the y_min is higher than the lowest value.
- set_column_padding($int)
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Sets the padding between columns. This is a percentage of the column width. Defaults to 0.
- set_range_padding($percentage)
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Sets the padding to be used, as a percentage. For example, if your data ranges from 0 to 10, and you have a 20 percent padding, the y axis will go to 12.
Defaults to 10. This attribute is ignored for positive numbers if set_y_max() has been called, and ignored for negative numbers if set_y_min() has been called.
- set_negative_background($color)
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Sets the background color used below the x axis.
- draw()
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Draw the graph
- show_horizontal_gridlines()
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Shows horizontal gridlines at the y-tics.
- use_automatic_axis()
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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_y_tics($count)
-
Set the number of Y tics to use. Their value and position will be determined by the data range.
2 POD Errors
The following errors were encountered while parsing the POD:
- Around line 15:
=over without closing =back
- Around line 795:
=over without closing =back