Reusable Java Swing Pie Chart component using JFreeChart. Just pass a title and a data map to render a chart panel. Easily integrate dynamic pie charts into any desktop app without rewriting chart ...

As a developer, I am often asked to demonstrate new applications. After doing many demos, I noticed that users are often initially more interested in what an application looks like than what it does.

A VGI worker (Java) that renders charts — line, bar, pie, scatter, and histogram — from a query result into a PNG image BLOB, as DuckDB SQL functions, powered by JFreeChart.

A climograph can be easily generated with Excel as documented in Creating a Climograph in Excel and Directions for Using Excel to Make a Colorful Climograph. While it is a little more work to generate ...