Raxol.UI.Charts.BarChart (Raxol v2.6.0)

Block-character bar chart with sub-character precision.

Uses █▇▆▅▄▃▂▁ for 8 levels of fill per character height, giving smooth bar rendering. Supports vertical and horizontal orientation, grouped multi-series, and optional value labels.

Summary

Types

cell()

series()

Functions

render(region, series, opts \\ [])

Renders a bar chart into cell tuples.

Types

cell()

@type cell() :: Raxol.UI.Charts.ChartUtils.cell()

series()

@type series() :: %{name: String.t(), data: list() | struct(), color: atom()}

Functions

render(region, series, opts \\ [])

@spec render(
  {non_neg_integer(), non_neg_integer(), pos_integer(), pos_integer()},
  [series()],
  keyword()
) :: [cell()]

Renders a bar chart into cell tuples.

Options

orientation -- :vertical or :horizontal (default: :vertical)
show_axes -- render axis labels (default: false)
show_legend -- render series legend (default: false)
show_values -- render value labels above bars (default: false)
bar_gap -- gap between bars in a group (default: 0)
group_gap -- gap between groups (default: 1)
min -- Y-axis minimum (default: :auto)
max -- Y-axis maximum (default: :auto)