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Re: 3D plot of globe (map of world)?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg67911] Re: [mg67882] 3D plot of globe (map of world)?
  • From: "Chris Chiasson" <chris at chiasson.name>
  • Date: Wed, 12 Jul 2006 05:06:22 -0400 (EDT)
  • References: <200607110959.FAA28997@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

the mathematica user's wiki has a mathemtica/direct 3d tutorial
written by Luc Barthelet

one of the examples is a texture mapped 3d globe

http://www.mathematica-users.org/webMathematica/wiki/wiki.jsp?pageName=NETLink_and_Directx

On 7/11/06, Xiangdong Liu <liu at vtaix.cc.vt.edu> wrote:
> Hi!
>
> Not sure if this question has been asked before but does anyone know how
> to make a 3D plot of the world or globe?  Or at least the map of a continent
> on a 3D globe?
>
> With the `WorldPlot` package, you can plot 2D world map or country/continent
> maps, with various 3D-to-2D projections.  Yet, Mathematica does not seem to
> provide a means to easily plot the map data in 3D (well as far as I know).
>
> Mathematica does allow the per-country map data (polygons) to be referenced
> but does not allow (as far as I can see) map data of a continent to be
> referenced collectively.  I am looking therefore into if I can do the
> tedious country by country plots and then combine them.  Yet, the map data
> for some countries, such as US, consists multiple disjoint polygons.  But
> if you use ListPlot or ListPlot3D, Mathematica connects all polygons as if
> they were one, adding superfluous edges.  Manually separating map data for
> such countries into multiple indpendent lists and plotting the lists
> separately and then combining them, whew, seems to be too tedious to be
> doable.
>
> Thanks!
>
>
>


-- 
http://chris.chiasson.name/


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