I recently needed to post a very tall web page screenshot in limited vertical space. I wanted to preserve context by including the page header, but the focal point was far down the page. I started with this image (border added):
This seemed like a great place to use something like an axis break.
Wouldn’t it be great if there was a tool like that that you could apply to an arbitrary image? It would put a customizable “tear” in the image, allowing you to relay only the important information in a compact form. I think a good name for this would be “image ellipsis” or “graphical ellipsis”. I had the urge to start a Wikipedia stub on it, and I would have if it weren’t for the original research policy. In fact, I couldn’t think of a good forum for this insight (in hindsight, maybe superuser.com?), which is why I finally got around to starting a blog for myself. Anyway, first I did it crappily by hand:
I didn’t like that, so I wrote a tool for it: