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| GeoCommunity Mailing List |
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| Subject: | [gislist] Using GIS to map imaginary worlds |
| Date: |
11/24/2005 02:50:01 PM |
| From: |
Mike Parkes |
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This will probably seem like a very weird request=85
=
What I am interested in doing is using GIS software to map an imaginary pla=
net.
=
My starting point is a number of raster images in different projections tha=
t cover parts of the planet (e.g. Robinson projection for a world map, diff=
erent projection for larger-scale maps). I want to be able to integrate and=
overlay these images, then create vector shapefiles. I=92m only concerned =
with surface mapping (no elevation modeling), at least for now.
=
The imaginary world is perfectly spherical, but a different size from Earth=
. Hence, to georeference my images, I need a GIS program that allows user-d=
efined datums. =
=
I have been investigating the GeoTiff file format, and (through the Listgeo=
and geotifcp utilities), it has all the machinery that I need to create an=
imaginary datum, a map projection and to attach the datum and projection t=
o an image. However, I haven=92t been able to find a software package that =
can actually interpret and make use of this information.
=
Any ideas? If my needs can=92t be met with a single program, are there a va=
riety of tools that I could cobble together? I=92m on a low budget, so I=92=
m looking for free or inexpensive software (maximum of $200 or so).
=
Thanks for any help!
=
-Mike
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