How can I plot Earth (wgs84 Ellipsoid)?
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I have tried
[x,y,z] = wgs84Ellipsoid('meters');
figure
surf(x,y,z)
axis equal
However,
[x,y,z] = wgs84Ellipsoid('meters');
is incorrect ("Too many output arguments")
2 个评论
Geoff Hayes
2017-11-27
Matthes - according to https://www.mathworks.com/help/map/ref/wgs84ellipsoid.html the function wgs84ellipsoid returns a referenceEllipsoid object and so the error message makes sense since only one output parameter is possible
E = wgs84ellipsoid('meters');
So that explains the error message. As for trying to draw/plot this, I'm not sure how you would do that (or if it is even possible).
Matthes Müller
2017-11-30
采纳的回答
Amy Haskins
2017-12-12
To just get a sense for the shape of the ellipsoid, you could use the values from the wgs84ellipsoid in conjunction with MATLAB's ellipsoid function as follows:
ellipsoid(0,0,0,E.SemimajorAxis, E.SemimajorAxis, E.SemiminorAxis)
Alternatively, if you want a 3D globe, you could follow the doc example here:
https://www.mathworks.com/help/map/examples/plotting-a-3-d-dome-as-a-mesh-over-a-globe.html
Replacing the grs80 ellipsoid with the one returned by wgs84Ellipsoid.
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