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Halftoning

Pen Plotter: Dots

  • Dithering on a grid: many classic methods. A natural start because images are rectangular grids.
  • Weird dithering on a grid: Recursive subdivision, dither matrices, dithering along space filling curves, and hill climbing optimization
  • Stippling with variable radii and anisotropy

Pen Plotter: Lines

Maps

Fluids

Drawing Lines

Image Processing

Etcetera