Earth-sized Sphere with Topography 1.0

Do you plot Earth-orbiting trajectories? Would you like to know how your orbit compares to the size of the Earth? If so, EARTH_SPHERE will help get you there.This function is a modification of the built-in MATLAB command SPHERE. Rather than producing a sphere with a radius of 1, the radius of the sphere will equal that of the Earth. The user may specify the units they want to plot in: meters, kilometers, feet, miles, nautical miles, or astronomical units. EARTH_SPHERE will also display the Earth's topography in Earth-Centered-Earth-Fixed coordinates.Examples:earth_sphere('nm') produces an earth-sized sphere in nautical milesearth_sphere(10,'AU') produces 10 point mesh of the Earth in astronomical unitsh1 = gca;earth_sphere(h1,'mile')hold onplot3(x,y,z) produces the Earth in miles on axis h1 and plots a trajectory from variables x, y, and z

Requirements:	No special requirements
Platforms:	Matlab
Keyword:	Astronomical Units,  Astronomical Unitsh,  Axis,  Builtin Matlab,  Command Sphere,  Compares,  Coordinatesexamplesearth Sphere,  Display,  Earthsized,  Gcaearth,  Orbit Compares,  Plots,  Point,  Therethis Function,  Trajectori,  Trajectory Variables,  Units Earth Sphere
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