[photography] DPI is easy

Really it is, and yet I see so many people get confused about the concept. In a way it’s understandable, given the amount of misinformation out there, so here’s my attempt to explain it as simply as possible. DPI is about physical size This is the essential detail. Everything else stems from this, the concept of physical dimensions. It’s part of the name: dots per inch. A digital image can’t have its dimensions measured in inches or millimetres, since it’s literally just a list of numbers. How many inches wide is a 16 megapixel image? »

[WoW] Guide: using Hugin for panoramic screenshots

Quick link: Hugin Panoramas are cool -- they show a much wider/taller view than it's possible to capture in one shot, and do so in a way that doesn't have the same weird rectilinear or fisheye distortion you get from regular wideangle or fisheye lenses. Here's an example of what I mean: If you actually go to the instance and stand in the same spot, you'll notice right away that the view isn't nearly as wide as this. Here's another example: Again, if you go here, you'll find that you can you can only see around one third of »