Math::planepath is a collection of perl modules to enerate some paths through the 2-d x,y plane, mainly integer oriented, and including

* square numbering of ulam's spiral
* pentagonal, hexagonal, heptagonal spirals
* pyramid and triangular spirals and rows
* an infinite knight's tour
* vogel's sunflower floret (and variations)
* sacks' quadratic spiral
* spiral of theodorus
* peano, hilbert and z-order
* gosper's flowsnake
* koch curve and quadric curve
* sierpinski triangle
* dragon curves
* pixellated rings, and by hypotenuse distance
* trees of rationals and pythagorean triples
* some complex base related patterns