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Earth-sized Sphere with Topography

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Earth-sized Sphere with Topography

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variation on the SPHERE command to facilitate plotting of orbital trajectories

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Description

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 miles

earth_sphere(10,'AU')
  produces 10 point mesh of the Earth in astronomical units

h1 = gca;
earth_sphere(h1,'mile')
hold on
plot3(x,y,z)
  produces the Earth in miles on axis h1 and plots a trajectory from variables x, y, and z

MATLAB release MATLAB 7.10 (R2010a)
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Comments and Ratings (3)
14 Jun 2013 Todd Freestone  
13 Jun 2013 C Shen  
11 Jun 2013 Alexandra Toftul  

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