Drawdown (Underwater)
ProA four-state underwater chart derived from a raw level series — percent below the running peak hanging from a zero line, every dip shaded and ranked, the max-drawdown trough labelled, and a recovery read-out that flags what is still under water.
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This component is part of Pro
The install command, prompt and concept map are included with a Pro license — one purchase unlocks every Pro component, forever.
HRV Frequency Spectrum
A four-state HRV power spectrum in plain SVG: the density estimate drawn as an area, cut and shaded at the VLF / LF / HF edges, each band integrated by the trapezoid rule into its own power and share, with an LF:HF readout and a normalised-units toggle.
Groundstroke Depth Zones
A four-state tennis groundstroke landing map in hand-rolled SVG — the opponent's half cut into short / mid-court / deep bands across the left, middle and right thirds, shaded by volume, with the "beyond the service box" and "middle third" reads printed above it and a forehand / backhand filter that re-derives both.