Solving overlapping bullets

Type tutorial

This short tutorial shows a couple of ways to solve the situations where multiple series can have label bullets shown, and thus may overlap with each other. Repositioning with an adapter We can use an adapter, to dynamically check for overlap with other bullets, and change bullet’s centerY setting, so it is either moved down […]

Grouping legend items

Type tutorial

This short tutorial will introduce two approaches that can be used to group legend items by inserting a label between its items. Approach #1 The easiest approach is to create a legend like we would do on any chart, set its data, then insert Label elements at predefined places in legend’s children list. The downside […]

Using axis ranges to place labels at arbitrary values or dates

Type tutorial

Axes of various types follow their own logic when they choose where to place its grid and labels. However, sometimes you need to place those labels at precisely value X, or on date Y. That’s where axis ranges might come in handy, which is the focus of this tutorial. Prerequisites Just to refresh your memory […]

Show different tooltip on click of a bullet

Type tutorial

This demo shows how to create double-tooltips for series bullets. When hovered, bullet will display some content. When bullet is clicked it will display a permanent sticky tooltip with different information until clicked again.

Labels on negative columns

Type demo

This demo shows how we can use adapters to change vertical alignment of a bullet, by dynamically modifying its centerY setting, based on its value. The code The demo

Start/end labels on scrollbar grips

Type tutorial

This demo shows how we can add labels on top of scrollbar grips, that show dates corresponding to their current positions. Here’s another version:

Totals on clustered column stacks

Type tutorial

This demo shows how we can dynamically calculate totals of columns in a multi-stack scenario in a bullet function. For non-clustered column stacks, there’s an easier way. Refer to “Totals on column stacks” tutorial.

Aligning axis range labels

Type tutorial

Labels of an axis range are shown on the axis itself by default. This demo shows how we can put them on the opposite side of the plot area, or within it. Labels on opposite side To achieve the required result, we’ll need these steps: The code: The demo: Labels inside plot area We can […]

Additional axis tooltip to display totals

Type tutorial

This demo shows how we can add an additional date axis on top of the chart to show a tooltip with sum of values of all series. The tooltip uses an adapter to dynamically calculate its content.

Totals on column stacks

Type tutorial

This tutorial will explain how we can place an automatically-calculated total on a stack of columns. Preparing value axis Normally, the chart would not calculate totals, saving CPU for us. We need to enable it by setting calculateTotals: true on our value axis: Adding a label bullet To place labels on or in a column, […]