Auto-hide value axes

Type tutorial

Normally, all initialized Value Axes are shown, even if they do not have any visible Series attached to them. This also means that when Series is toggled off, the related Value Axis will remain. This tutorial will show how we can toggle axes off together with Series. The problem Let’s take a simple multi-series multi-axes […]

Multi-color XY heatmap

Type tutorial

Normally, heatmaps that use “heat rules” are restricted to two colors as well as gradient in-between. In tutorial we’ll see how we can use adapters to apply any number of colors to heat map based on source value. The task During the course of this tutorial we’ll transform the chart to color columns in series […]

Clickable links in tooltips

Type tutorial

Tooltips are used in a number of places to provide contextual information on a hovered/tapped object, like a Slice of a Pie Chart, or a country on a map. By default, tooltips are completely static with no way to interact with them. This tutorial will explain how you can make them interactive, adding clickable links […]

Configuring the zoom out button

Type tutorial

When XYChart is zoomed in, a small round button appears in the corner to indicate that only partial data is show, and to provide means to zoom back out. This tutorial will show how you can configure, or outright disable this control. Button element The zoom out button is accessible via chart’s zoomOutButton property. It’s […]

Disabling XY series initial animations

Type tutorial

By default, when “animated” theme is enabled, all XY series will show initial animation, growing from zero to their absolute values. This tutorial will show how you can disable that effect, without interfering with the rest of the animations. Disabling Disabling this initial effect is easy: each series has a setting showOnInit. The “animated” theme […]

“Sticky” chart cursor

Type tutorial

Normal XYCursor is hidden automatically when plot area is no longer hovered. This tutorial shows how you can easily make it “sticky”, that is make it stay in its last known location. Enabling XYCursor does not have a built-in setting to make it “sticky”, so we’ll have to improvise. For that we’ll use two components: […]

Individual thresholds for columns

Type tutorial

This tutorial will show how you can use additional series to apply individual thresholds to columns in a ColumnSeries. The task Say we have a column chart and would like to apply individual threshold values for each column. Our data might look something like this: [{ “category”: “Research”, “value”: 450, “threshold”: 220}, { “category”: “Marketing”, […]

“3D” line series

Type tutorial

This tutorial will show how you can easily create a “3D stack” effect on regular LineSeries. Base chart Let’s take this chart as an example: Bit of a mess. It would help, if we somehow would be able make each individual LineSeries stand out. Enabling 3D The first step is to go from regular XYChart […]

Disabling scrollbar grips

Type tutorial

This short tutorial will show how you can disable grip buttons on chart Scrollbar. Here’s a regular scrollbar: Scrollbar’s grips are accessible via its startGrip and endGrip properties. To disable them, simply use their disabled properties: chart.scrollbarX.startGrip.disabled = true;chart.scrollbarX.endGrip.disabled = true; chart.scrollbarX.startGrip.disabled = true;chart.scrollbarX.endGrip.disabled = true; { // … “scrollbarX”: { “type”: “Scrollbar”, “startGrip”: { […]

Handling axis zoom events via API

Type tutorial

Any axis in amCharts 4 can be zoomed. And sometimes we need to know when that happens, as well as the range of the new zoom. This tutorial will walk through all the necessary information to make that happen. This works a bit differently on different axis types, so we’ll explore them separately. Catching zoom […]