tutorial In this tutorial we’ve seen how we can zoom in on a clicked country. We’re going to build on that to retrieve information about clicked object. Base map As mentioned in the preamble, we’re going to be using a map, created in another tutorial. The “Zooming to a map area on click” tutorial explains how […]
tutorial Normally, labels for Pie chart’s slices are horizontal, and either arranged in columns or attached to the slice itself. This tutorial will show how you can make labels curve along the outer edge of the slice. Base chart Let’s take a super basic pie chart as our starting point. Making labels cool again To make […]
tutorial In amCharts 4 any SVG label can follow any curve. This tutorial will explain how it works and how you can spice up the look of your charts in various situations, using curved labels. The basics All text labels in amCharts 4 are represented by an object of type Label. To make a label follow […]
tutorial This tutorial will show how to highlight weekends on a Date Axis. It will explain how you can use custom function to force your own custom logic in determining what ranges of dates should be highlighted and how. Base chart Let’s take a simple Date-based chart. Enabling axis fills We do have nice clean grid. […]
tutorial By default, labels on a Sankey Diagram will be truncated with an ellipsis if they are longer than 150 pixels. This tutorial explores other options for handling long labels. Base chart Here’s a Sankey Diagram with some overly long node names. All labels are cut off and not overly informative. Let’s see how we can […]
tutorial This tutorial will explain how you can use adapters to fill columns to different colors, based on their value. The task Let’s say we have a column chart that has both positive and negative values. Right now, all of the columns are filled with a single color. What we want to do, is to color […]
tutorial Most of the elements on charts can display a tooltip when hovered. By default, a tooltip will cast a slight shadow behind it. This tutorial will explain on how to style it, or get rid of it altogether. Accessing tooltip Before we can start, let’s see how we can access the tooltip, that is Tooltip […]
tutorial Your on-screen designs might call for a chart background. However, when printed, those will wasted a lot of ink. This tutorial will explain how to disable chart’s background when using Export’s Print option. The problem Let’s use a chart with a nice gradient as a background. Now, when we try to print it, the background […]
tutorial This quick tutorial will explain how you can limit your Gauge chart axis to showing only its first and last labels. The problem Normally, a Gauge chart axis will show a number of intermediate labels. But what if we want to show only the first and last one? Solution #1 There’s a trick: set axis […]
tutorial Pie chart sizes its slices proportionally, based on the relative values. Sometimes that means that we end up with a chart that has a bunch of small-value slices that are barely visible, but clutter up the chart. Here’s one chart like that: Ewww. Let’s see what we can do about it. Hiding labels Let’s hide […]