501002005001001000100001e5noisy fieldsmooth fieldslope 2 (proportional to cell count)76 MiB328 KiB -- the same call, smooth fieldgrid size (cells across)SVG size (KiB), 6 contour levelsContour cost is set by the field, not by the grid sizenoisy fieldsmooth fieldslope 2 (proportional to cell count)