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updated 22 days ago

Great ellipses by Charles Karney

Solution of direct and inverse problems for great ellipses (ellipsoid, navigation, wgs84)

gedistance(lat1, lon1, lat2, lon2, ellipsoid)

gedoc

gereckon(lat1, lon1, s12, azi1, ellipsoid)

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updated 22 days ago

Geodesic projections for an ellipsoid by Charles Karney

Four map projections based on geodesics (map projections, geodesics, azimuthal equidistant)

cassini_fwd(lat0, lon0, lat, lon, ellipsoid)

cassini_inv(lat0, lon0, x, y, ellipsoid)

eqdazim_fwd(lat0, lon0, lat, lon, ellipsoid)

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updated 22 days ago

Geodesics on an ellipsoid of revolution by Charles Karney

Solutions of the direct and inverse geodesic problems (earth, geodesy, geodesic)

A1m1f(epsi)

A2m1f(epsi)

A3coeff(n)

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updated almost 2 years ago

Elliptic fourier for shape analysis by Auralius Manurung

Implementation of elliptic fourier for shape analysis. (image processing, elliptic fourier, fourier analysis)

calc_dc_components(ai)

calc_harmonic_coefficients(ai, n)

calc_traversal_dist(ai)

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