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updated 8 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 15 days ago

Ellipsoid Method by Florian

The ellipsoid method with visualization features. (ellipsoid, optimization, ellipsoid method)

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updated 5 months ago

AMVIDC by Nuno Fachada

Clustering with minimum volume increase (MVI) and minimum direction change (MDC) clustering criteria (clustering, minimum volume increa..., minimum direction cha...)

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updated 9 months ago

geod -- yet another geodetic toolbox by Felipe G. Nievinski

Vectorized manipulation of coordinates commonly used in geodesy. (geodesy, geomatics, surveying)

Introduction to Functional Programming with Anonymous Fun...

add_all (a, b)

compute_meridian_radius (lat, ell)

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updated 1 year 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 1 year 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 1 year ago

Are Two Ellipsoids in Contact? Algebraic Separation Condition for Ellipsoids by Daniel Lopes

An algebraic expression for characterizing the 3-D spatial configurations formed by two ellipsoids. (collision detection, ellipsoid, proximity query)

Algebraic_Separation_Condition.m

Globalize_Vector(varargin)

asc_demo

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updated almost 3 years ago

image ellipsoid 3D by David Legland

Inertia ellipsoid of a 3D grayscale image (image processing, inertia, ellipsoid)

createRotationOx(varargin)

createRotationOy(varargin)

createRotationOz(varargin)

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updated 4 years ago

Euclidian projection on ellipsoid and conic by Bruno Luong

Projecting a point on ellipsoid or conic in n-dimensional space (geometry, ellipsoid, projection)

ConicPrj(P, A, b, c, parabolatol)

EllAlg2Geo(A, b, c)

EllGeo2Alg(radii, U, x0)

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updated 5 years ago

Ellipsoid fit by Yury Petrov

Fits an ellipsoid to data using linear least squares. (ellipsoid, least squares, fitting)

ellipsoid_fit( X, flag, equals )

test_ellipsoid_fit.m

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updated almost 7 years ago

Plot an ellipse in "center form" by Nima Moshtagh

Draws 2D and 3D ellipses that are given in "center form". (specialized, plotting, plot)

Ellipse_plot(A, C, varargin)

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updated almost 7 years ago

VRECKON: Find the endpoint of a geodesic on the ellipsoidal earth by Michael Kleder

Obtains a final location on ellipsoidal earth, given a start point, an azimuth and a distance. (vdist, direct, geodesic)

vreckon(lat1,lon1,s,a12)

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updated 7 years ago

PLOT_GAUSSIAN_ELLIPSOID by Gautam Vallabha

Plots two- and three-dimensional Gaussian distributions (statistics, probability, normal distribution)

plot_gaussian_ellipsoid(m, C, sdwidth, npts, axh)

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updated 8 years ago

VDISTINV: Find the endpoint of a geodesic on the ellipsoidal earth by Michael Kleder

Obtains a final location on ellipsoidal earth, given a start point, an azimuth and a distance. (vdist, invert, inverse)

[lat2,lon2,derr,aerr]=vdistinv(lat1,lon1,dist,azim)

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updated almost 9 years ago

Vectorized geodetic distance and azimuth on the WGS84 earth ellipsoid by Michael Kleder

Geodetic distance, forward azimuth, and return azimuth between coordinates (geodetic, geodesic, distance)

vdist(lat1,lon1,lat2,lon2)

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updated 9 years ago

WGS84 Ellipsoidal Earth Plotted at 4 pixels Per Degree by Michael Kleder

Draws a satellite view of earth scaled to match the WGS84 ellipsoid, with political boundaries. (satellite, wgs84, earth)

satglobe4e

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updated 9 years ago

Ellipsoidal Gravity Vector by Michael Kleder

Computes the gravitational acceleration vector at a specified location using ... (jgm2, ecf, ecef)

xyz2grav(x,y,z)

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