Total eclipse — 12 Aug 2026

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the model, the maths, the pipeline ↗

Layer ?

Eclipse Visibility Index Clearance — sun minus skyline Fraction of totality visible Skyline height toward the sun Duration of totality Sun altitude Distance to the blocking ridge ↔ Relative to the reference marker

Colours ?

Automatic — whatever suits the layer Magma Inferno Viridis Plasma Cividis (colour-blind safe) Turbo (high contrast) Blues Orange–red Greyscale Red–yellow–green Red–white–blue Spectral Brown–teal Reverse the ramp Fixed range — a colour means the same thing everywhere ? Stretched to the view — more contrast, not comparable

Model knobs ?

Basemap ?

OpenStreetMap — roads Aerial — PNOA orthophoto (25 cm) Topographic — IGN MTN None — dark Roads & place names on top ?

Terrain ?

Hillshade — relief, like Google’s “Terrain” Contours off Contour lines Stepped bands every 25 m every 50 m every 100 m every 200 m every 500 m Tilt into 3D and look toward the sun

Overlays

Totality limits + central line Duration contours Generalitat de Catalunya reference map ? Generalitat observation points

Times ?

Spanish peninsular time (CEST, UTC+2) UTC Reset view