Cartography

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5 domain-specific abstractions whose origin domain is Cartography.

• Choropleth map — A thematic map that shades enumeration areas according to an aggregate statistic, usually a normalized rate, proportion or density associated with each area.
• Goad map — Encode property-scale building construction, occupancy, hazards, water supply, and fire protection in a standardized cartographic record designed for fire-insurance risk comparison.
• Oblique Mercator projection — A conformal cylindrical map projection oriented along an arbitrary great-circle or geodesic axis, minimizing distortion for narrow regions extending diagonally rather than north-south or east-west.
• Scale (map) — Relate distance on a map to corresponding ground distance through a nominal representative fraction while tracking local scale factors that vary with position and direction under map projection.
• Transverse Mercator projection — A conformal cylindrical map projection formed in a transverse aspect, preserving local angles while concentrating low scale distortion in a narrow zone around a chosen central meridian.