This is a beta version of migrating these workshop materials to a new platform. If you run into issues please file an issue or click on the edit link above and submit a pull request. You can use the previous version of the workshop materials as a fallback.
OpenSeadragon is a deep zoom viewer that has support for the IIIF Image API.
Visit the site to learn more: https://openseadragon.github.io/examples/tilesource-iiif/
Take a look at the embedded example below. It enables a debugging mode that allows you to see how different tiles fit together in the viewer.