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Re: World map as Texture

  • To: mathgroup at smc.vnet.net
  • Subject: [mg129964] Re: World map as Texture
  • From: psycho_dad <s.nesseris at gmail.com>
  • Date: Thu, 28 Feb 2013 21:25:02 -0500 (EST)
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  • References: <kgmn9m$8hu$1@smc.vnet.net>

Hi,
This piece of code will (sort of) do it:

img= Import["path to your image.png"];

SphericalPlot3D[1, {=CE=B8, 0, Pi}, {\[Phi], 0, 2 Pi},
 PlotStyle -> Directive[Specularity[White, 30], Texture[img]],
 TextureCoordinateScaling -> True,
 TextureCoordinateFunction -> ({#4, #5} &), Lighting -> "Neutral",
 Mesh -> None, PlotRange -> All]

You can find several free maps in different kinds of projections here:
http://en.wikipedia.org/wiki/Map_projection

The above code has a problem with the TextureCoordinateFunction, ie you need to know the type of projection and then supply the right arguments ({#4, #5} &) otherwise it will look distorted.

Perhaps someone else has a better solution, as I'm quite interested in this myself as well :)

Cheers



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