`plotter.bars`¶

class `BarChart(Drawable)`¶

Class for creating a bar chart.

Attributes:

Name	Type	Description
`x`	NArray1D[Any]	The array containing the x positions of the bars.
`heights`	NArray1D[Any]	The array containing the heights of the bars.
`yerr`	NArray1D[Any] \| float \| None, optional	The uncertainty on the bar heights. If a float is passed, all the errors are assumed identical.

Raises:

Type	Description
ValueError	If x and heights do not have the same dimensions.
ValueError	If yerr as an array does not have the same dimensions as heights.

Defined attributes:

draw(self, canvas: Canvas, plot_n: int=0, label: str | None=None, **kwargs) -> None

Draws the bar chart on the canvas.

Args:

Name	Type	Description
`canvas`	Canvas	The canvas object to draw the bar chart on.
`plot_n`	int, optional	The index of the subplot to draw on. Defaults to 0.
`label`	str, optional	The label for the bar chart in the legend. Defaults to `None`.

Keyword Arguments:

Name	Type	Description
`width`	float	The width of the bars. Defaults to 0.8.
`color`	str	The Matplotlib color of the bars. Defaults to "steelblue".
`alpha`	float	The transparency of the bars. Defaults to 0.9.
`ecolor`	str	The color of the error bars. Defaults to "black".
`capsize`	float	The size of the error bar ticks. Defaults to 3.
`lw`	float	The width of the bar edges. Defaults to 0.
`edgecolor`	str	The color of the bar edges. Defaults to "midnightblue".