The LineChart
component is used for visualising data as a line chart. It
provides a simple way to include charts without the need for using external
libraries to generate an image.
Below are two examples of the schema required to define a LineChart
.
{
"type": "LineChart",
"options": {
"width": "2/4",
"data": [{"x": 0, "y": 5}, ...],
"x_label": "X axis label",
"y_label": "Y axis label",
"chart_title": "Chart title",
"caption": "Lorem ipsum dolor, sit amet consectetur adipisicing elit. Repudiandae provident ipsa culpa officiis illum commodi voluptas, sequi repellat veniam adipisci laboriosam amet nesciunt nam explicabo voluptate minima inventore, minus sint"
}
},
{
"type": "LineChart",
"options": {
"data": [{"x": 0, "y": 5}, ...],
"x_label": "X axis label",
"y_label": "Y axis label"
}
}
Key | Description |
---|---|
data |
The data to plot in the chart, which should be an array of objects with keys x and y . |
x_label |
The X-axis label. |
y_label |
The Y-axis label. |
colour_by |
Optional. The key in the data objects to use to colour each line by. |
chart_title |
Optional. The chart title. |
caption |
Optional. Caption below the chart. |
width |
Optional. The width of the component, when inside a Section or Row component with their columns option set to null . |
The data key must be an array of objects, with each object containing the keys
x
and y
. Both these keys should contain numbers (not strings). A maximum
of 500 points can be plotted on a chart.
You can also provide another key, whose name if passed to colour_by
will be
used to draw separate lines with different colours. See the example image below
for an example.
The width
key supports defining the width using a fraction specified as a
string e.g. 1/3
. The values for the denominator supported are 2, 3, 4, 5, 6
and 12, whilst the numerator can be any value up to the value of the denominator.
If the width
key is set to null
, then the component will attempt to fill
all the available horizontal space.
The colour of the line / curve is automatically chosen by the theme selected
for the report. For more details see Theming. This only
applies if you have not used the colour_by
option.
By default, the lines are smoothed to make them more visually appealing. These charts should not be used for communicating data very precisely, but rather for showing general trends.
Hybiscus is continuously improving and adding new features. If you think we are missing a critical feature, please do not hesitate to contact us and offer your feedback at info@hybiscus.dev