toasty: Creating TOAST tile pyramids in Python

toasty is a Python library that helps you create “tile pyramids” from astronomical image data, as used in the TOAST format. These multi-resolution maps can be viewed in software such as the AAS WorldWide Telescope.

Python API Reference

Getting help

If you run into any issues when using toasty, please open an issue on its GitHub repository.


The first version of toasty was written by Chris Beaumont.

toasty is part of the AAS WorldWide Telescope system, a .NET Foundation project managed by the non-profit American Astronomical Society (AAS). Work on WWT has been supported by the AAS, the US National Science Foundation (grants 1550701 and 1642446), the Gordon and Betty Moore Foundation, and Microsoft.