What type of map can i project onto a sphere to eliminate distortion

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SUMMARY

The discussion focuses on projecting a 2D image onto a 3D sphere for a POV globe, emphasizing the need for accurate map projections. The Mercator projection is identified as a common choice, but it introduces distortion, particularly at the poles. The Goodes Homolosine Projection is suggested as a method to minimize distortion, with the recommendation to combine it with a Mercator projection for the polar regions to achieve better accuracy. The user seeks guidance on the Earth's aspect ratio for manual adjustments to the image.

PREREQUISITES
  • Understanding of map projections, specifically Mercator and Goodes Homolosine
  • Knowledge of 2D to 3D image projection techniques
  • Familiarity with geographic coordinate systems
  • Basic skills in image editing software for manual adjustments
NEXT STEPS
  • Research the mathematical principles behind the Mercator projection
  • Explore the Goodes Homolosine Projection and its applications
  • Learn about the Earth's aspect ratio and its significance in map projections
  • Investigate image editing techniques for distorting images accurately
USEFUL FOR

This discussion is beneficial for cartographers, graphic designers, and hobbyists involved in creating accurate globe representations and those interested in minimizing distortion in map projections.

VegaMan
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This is not actual "homework." I am building a POV globe and I want to get as accurate of a projection as possible. The images I will upload into the globe will be a simple 2 dimensional image projected onto a 3 dimensional plane. I have researched and it appears that a Mercator type map is the best bet for this but I am unsure. If a Mercator map will still provide distortion, does anyone know what the "aspect ratio" of the Earth would be, so that I can manually distort the image or should I not even make the image rectangular?

This is basically what I'm going for except with color
 
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I'm not sure you can entirely eliminate distortion but you can minimize it with a Goodes Homolosine Projection. You will note that the north and south poles are ripped up a bit but if you graft a mercator version of those two land masses onto the homolosine you can probably get a good result. I have no idea how to do it. Maybe these folks do.
 

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