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When inputting into MRT, why are the native data that have a sinusoidal projection and WGS84 datum being forced into NODATUM and thus a spherical projection with radius 6371007.181 m?

April 26, 2017Data datum forced inputting MRT native projection sinusoidal wgs84

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When inputting into MRT, why are the native data that have a sinusoidal projection and WGS84 datum being forced into NODATUM and thus a spherical projection with radius 6371007.181 m?

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MRT does not recognize that the datum spheroid, such ast the WGS84 ellipsoid, is different from the sinusoidal projection spheroid. A sphere of radius 6371007.181 m.