Roof Gutter Pitch-to-Downspout (3mm/m) & Ice-Dam Sag Photogrammetric Level

Deterministic Gravity-vector EXIF roll lock + building corner plumb vanishing-point rectification + sub-pixel gutter lip spline elevation profile z(x) engine (.jpg, .heic, .png, .pdf) built for Lindab Rainline, Aquasystem, Marley, Ruukki — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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Double-click 2.4× zoom · Drag to pan / 3D orbit

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