Here's a quick demo of a 2D large tree viewer that I'm working on. The aim is to provide a simple way to view and navigate very large trees (such as the NCBI classification) in a web browser using just HTML and Javascript. At the moment this is simply a viewer, but the goal is to add the ability to show "tracks" like a genome browser.

Continuing the theme of viewing big trees, another approach to viewing large objects is tiling , which most people will have encountered if they've used Google Maps.The idea is to slice a large image into many smaller pieces ("tiles") at different reoslutions, and display only those tiles needed to show the view the user is interested in. I'd thought about doing this for trees but abandoned it. However, I think it is worth