Overview

Example heat map with transparent background and no title.
Heat maps are an excellent way of visualising 3-dimensional data. They are widely used, especially in molecular biology and technology. The JHeatChart library provides a simple API for generating Java heat maps.
- Output heat maps as .png, .jpg or .gif images.
- Generate
Image
objects for further processing. - Show generated
Image
in a SwingJPanel
. - Fully customisable colours, dimensions, fonts etc.
- Linear, logarithmic and exponential colour scales.
- LGPL license so it is free for you to use.
Get started creating heat maps with Java by downloading the jar and reading the documentation.