Different bullet styling of grouped data items

Type tutorial

This tutorial shows how we can use data item object in a bullet function to determine whether it’s a grouped data item, or regular one, to apply different styling to the bullet. Related code To determine if data item is for a grouped data, we will take a look at its originals value. Data item […]

Location of items on date axis and date-based series

Type tutorial

This combined tutorial examines at possible positioning of axis elements like grid, labels, and ticks as well as series data items in an XY chart scenario with a date axis and date-based data. Intro Location of axis elements (grid, labels, ticks) is determined by location and multiLocation settings. For a simplified explanation about those, visit […]

Gantt chart with external data

Type demo

This demo shows a Gantt chart with externally-loaded JSON data. It uses built-in net.load utility to load and parse data, as well as a data processor to parse dates and color codes in data.

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, […]

Show “no data” warning on a chart

Type demo

This demo shows how we can use chart series’ davalidated event to display a “no data” message in a modal if data contains no items.