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16 lines
450 B
Matlab
16 lines
450 B
Matlab
function ECEF = lla2ecef(latitude,longitude,altitude)
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a = 6378137.0;
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e = 8.1819190842622e-2;
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DEG2RAD = pi / 180;
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sinLat = sin(DEG2RAD * latitude);
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sinLon = sin(DEG2RAD * longitude);
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cosLat = cos(DEG2RAD * latitude);
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cosLon = cos(DEG2RAD * longitude);
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N = a ./ sqrt(1.0 - e * e .* sinLat .* sinLat);
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ECEF(:,1) = (N + altitude) .* cosLat .* cosLon;
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ECEF(:,2) = (N + altitude) .* cosLat .* sinLon;
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ECEF(:,3) = ((1 - e * e) * N + altitude) .* sinLat;
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