Comment by fatboy

It acts as a digital window into our print guidebook catalogue. The books are mostly for the uk, with the rest spread across Europe.

I take the finished desktop-publishing documents and extract and package the data to put into the app, including tiling the images so we can have very high resolution photos on low-end devices.

There's a semi-technical article about the topo-view implementation here:

https://www.ukclimbing.com/articles/features/rockfax_app_dee...