Three islands of real contour lines — circles perturbed by summed sines, so they never cross — drifting on unrelated periods with every fifth line inked as an index contour. Pure SVG.
bg-topographydark + light#contour#cartographic#svg#line1280 × 820 · real viewport · scrolls internally
dark · #e07a3a
Used by 2 of 22 compositions