File:Latitude and longitude graticule on an ellipsoid.svg

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Description	English: The definition of latitude (φ) and longitude (λ) on an ellipsoid of revolution (or spheroid). The graticule spacing is 10 degrees. The latitude is defined as the angle between the normal to the ellipsoid and the equatorial plane.
Source	Own work
Date	2010-12-05
Author	Peter Mercator
Permission (Reusing this file)	See below.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:59, 30 January 2024		825 × 750 (102 KB)	Isidore (talk \| contribs)	== {{int:filedesc}} == {{Information \|Description={{en\|1=The definition of latitude (φ) and longitude (λ) on an ellipsoid of revolution (or spheroid). The graticule spacing is 10 degrees. The latitude is defined as the angle between the normal to the ellipsoid and the equatorial plane.}} \|Date=2010-12-05 \|Source={{own}} \|Author={{U\|Peter Mercator}} \|Other versions=The graticule was taken from the file {{F\|Sphere wireframe 10deg 10r.svg}}. {{Derived from\|Sphere wireframe 10deg 10r.s...

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Short title	Sphere wireframe
Image title	Sphere wireframe depicted with perspective projection viewer distance from center: 10r line distancd: 10° line width: 2° axial tilt: 37.5° rotation: 7.5° base color: #22326b plotted with several adapted cubic bezier-curves The plotcurves were calculated by some fancy python code. The bezier-curve controlpoints are placed on tangents of the function-curve. They are furthermore positioned in a way to minimize the average quadratic distance between the bezier-curve and the function. This gives an accuracy, so that the deviation is in no point greater than 0.00001. about: http://commons.wikimedia.org/wiki/Image:Sphere_wireframe_10deg_10r.svg source: http://commons.wikimedia.org/ rights: GNU Free Documentation license, Creative Commons Attribution ShareAlike license
Width	825
Height	750