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MathGroup Archive 2004

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Re: Drawing a globe, with countries and great circle routes

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48094] Re: [mg48040] Drawing a globe, with countries and great circle routes
  • From: Yasvir Tesiram <yat at omrf.ouhsc.edu>
  • Date: Thu, 13 May 2004 00:08:20 -0400 (EDT)
  • References: <200405080523.BAA11630@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

G'day,

The closest such thing maybe the Miscellaneous`WorldPlot` package.
I don't know if this is what it looks like from space (never been 
there) but here is what I imagine it would look like if you could see 
through it.

<< Graphics`Colors`

countryColors[country_] := Switch[
     country,
     "Australia", Green,
     "USA", Blue,
     "Papua New Guinea", IndianRed,
     "Brazil", Gold,
     "Peru", LampBlack,
     _, GrayLevel[.6]
     ]

WorldPlot[{World, countryColors},
     WorldRotation -> {30, 45, 0}, WorldProjection -> Orthographic]

The data for the polygons defining country boundaries etc is can be 
seen using WorldDatabase. I suppose this would be a starting point for 
defining ocean boundaries etc.

Cheers
Yas



On May 8, 2004, at 12:23 AM, AES/newspost wrote:

> I'd like to draw a globe (as seen from space) with countries and oceans
> (in color if possible), maybe even some topography; be able to overlay
> great circle routes between specified points; and then view the result
> from different points in space either by rotating the globe in 3D
> fashion or redrawing the image.
>
> Any Mathematica packages, freeware or commercial, that will do this?


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