Legend
The legend is a chart element that allows you to display the series name for each dataset in a chart. A chart should have the utmost one legend. Each legend can have a lot of legend items. Each legend item has a key and a name. In FusionTime, currently the key is a rectangular box filled with the color of the series (or plot) it represents; and the name is the name of the series (or plot).
The legend comes in very handy when we have multiple colored plots. It helps in easily identifying the plot. Legends are interactive by nature. You can click on a legend item to disable the plot associated with it.
In the screenshot below, you can see the legend rendered below the time series. You can see each dataset represented by an icon.
Legend Items cannot be showed in stock charts.
Show/Hide the Legend
To show/hide the legend, set the value of the enabled
attribute under the legend
object to 1
.
Refer to the code below:
legend: {
enabled: '1',
item: [{
value: 'Series A' // name of visible legend item
}, {
value: 'Series B'
}]
}
Initially Hidden Legend item
To keep the legend item hidden when the chart is initially rendered, set the value of the initiallyhidden
attribute to 1
within the item
object under the legend
object.
Refer to the code below:
legend: {
enabled: '1',
item: [{
value: 'Series A' // name of visible legend item
initiallyhidden: 1, // boolean attribute (default 0) to control the visibility of plot
}, {
value: 'Series B'
initiallyhidden: 0,
}]
}