Bar plots
The following examples show how to use bar plots to visualize distributions or histograms.
Basic Examples
The following code shows the simplest usage of a bar plot. In this
example, the bars will be drawn with a fixed
graphical width according to the
thickness
property. This means that the bar width is
independent of the x-axis
range.
By specifying a width
in the respective
data
property, you can use a fixed bar width with respect to the
respective axis instead of the screen.
The following example demonstrates the difference: The width of the
bars in the left graph is specified as
thickness
of the KontrastBars
object. In
the right graph, the width
within the data property is
specified. You'll see the difference clearly if you zoom in or out
of the horizontal axis using the mouse wheel or a touch gesture.
Example with error bars
You can also add error bars to bar plots. Please refer to Example: Error bars for details.
Example with custom bin edges
By specifying the data property edge
you can use bars
with non-uniform widths.
Using a variable base value
You can change the start position of the bars by specifying the
baseValue
. The value can be either a number or a
numeric array like in the following example: