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| ![enter image description here][1] Some years back, I saw a pair of excellent blog posts on The Rolling Shutter Effect ([here][2] and [here][3]). The Rolling Shutter Effect is a form of distortion that can appear in photographs taken on a phone,... |
| ![enter image description here][1] First, start with a lampshade that is a shaved off cone. In cylindrical coordinates, we can write the following equation: shade[s_,t_]={(2-s/2) Cos[t],(2-s/2) Sin[t],s-1}; For this example, we can let... |