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MathGroup Archive 2004

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Re: Mathematica & GIS

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48189] Re: Mathematica & GIS
  • From: Terry <tharter at attglobal.net>
  • Date: Mon, 17 May 2004 03:21:59 -0400 (EDT)
  • References: <c81h8v$4r2$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi David, Mark,
   In March of this year I sent Matt Doman of Wolfram Research some 
sample GIS files for Wolfram Research
to see what they could do to support "GIS" as a supported filetype under 
the "Import" command.  I also sent them a
pdf file that is the Tech specs for the formating and construction of 
GIS files.  I have yet to hear what Wolfram's status is
on this, but will email Matt Doman to give me an update.  Hopefully 
"GIS" will be supported  in the next update to Mathematica.
Hope that you both find this info useful.
.....Terry Harter

David.Annetts at csiro.au wrote:

>Hi Mark,
>
>  
>
>>I'm interested in knowing if anyone has been able to read and 
>>display a 
>>GIS boundary file within Mathematica? For instance, if I have 
>>a sample of 
>>geo-coded data (say with latitude-longitude coordinates) for a city, 
>>could I have Mathematica depict a street map of the city and 
>>plot the data 
>>points on it?
>>    
>>
>
>I guess that the short answer is "yes, but ...".
>
>Mathematica has no problem with data in geo-coded data (at least none
>with data in AMG coordinates).  To display data in a plan view, all you
>need to do is figure out the graphics objects, then Show[{streets,
>streetLabels, various other city stuff}].  A crude way of representing a
>street is using a Line[] through various waypoints and then giving the
>line a Thickness[] and Hue[] (for streets, avenues, drives & highways).
>Judicious use of Select[] will allow you to display the information you
>need to look at.
>
>My stuff (geophysics) is usually straightforward because it is usually
>ASCII and there is not much of it, at least nothing approaching the
>level of objects in a city.
>
>What is the problem you have, reading the boundary file?  
>
>Regards,
>
>Dave.
>==========================================
>  Dr. David Annetts
>  EM Modelling Analyst
>  CSIRO DEM            Tel: +612 9490 5416
>  North Ryde           Fax: +612 9490 5467
>  Australia         David.Annetts at csiro.au
>===========================================
>
>  
>


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