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| Subject: | Re: [gislist] Using GIS to map imaginary worlds |
| Date: |
12/01/2005 04:45:01 PM |
| From: |
Ted Bryant |
|
|
Don't forget polar wandering....
Ted Bryant
----- Original Message -----
From: "Kevin Murphy" <KMURPHY@mbakercorp.com>
To: <gislist@lists.thinkburst.com>: <waggaman@marimsys.com>:
<mikeparkes@rogers.com>
Sent: Thursday, December 01, 2005 11:58 AM
Subject: Re: [gislist] Using GIS to map imaginary worlds
To the best of my knowledge, GPS works in an earth centered coordinate
system, X,Y & Z and then
converts those X,Y & Z to a Lat/Long & Ellipsoid height system.....so...In
My Humble Opinion....
why not stick with XYZ !!!
Adding projections just adds another level of complexity that need not be
there.
Can anyone tell me if in this imaginary world we need to worry about the
direction of Gravity too ?
lol
juct my 0.02
-K.Murphy
>>> Pat Waggaman <waggaman@marimsys.com> 12/01/05 2:39 PM >>>
Boooorrrriiiing, you'd fall off the edge of somnolescence.
We already have the blue marble, the gentleman can have an imaginary marble
:-)
Pat
At 16:16 01-12-2005, Kevin Murphy wrote:
>Hello a/ALL,
>
>I wonder, in an imaginary world.....why not keep things FLAT ???
>
>-K.Murphy
>
>
> >>> Pat Waggaman <waggaman@marimsys.com> 12/01/05 2:07 PM >>>
>Manifold will deal with the creation of the
>imaginary datum and projections - I don't think
>that will be much of a problem. Yes, it will
>take you the best part of a week on the startup,
>assuming that you know a bit about GIS.
>
>Best part, you can do this with the software and
>have explored *maybe* 5% of its capabilities, and
>it costs $245.00 www.manifold.net.
>
>Pat
>
>Thos. E. Waggaman, III (Pat)
>Director
>Marine Imaging Systems S.A.
>Ave Borgo=F1o 22.090
>Caleta Higuerillas
>Vina del Mar
>Chile
>
>waggaman@marimsys.com
>
>North America
>Tel: 1 800 579 3839
>
>Rest of world
>Tel: +56 32 815005
>FAX: +56 32 815243
>http://www.marimsys.com
>
>At 16:52 24-11-2005, Mike Parkes wrote:
>
> >This will probably seem like a very weird request*
> >
> >What I am interested in doing is using GIS
> >software to map an imaginary planet.
> >
> >My starting point is a number of raster images
> >in different projections that cover parts of the
> >planet (e.g. Robinson projection for a world
> >map, different projection for larger-scale
> >maps). I want to be able to integrate and
> >overlay these images, then create vector
> >shapefiles. I'm 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-defined 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 to an
> >image. However, I haven't been able to find a
> >software package that can actually interpret
> and make use of this information.
> >
> >Any ideas? If my needs can't be met with a
> >single program, are there a variety of tools
> >that I could cobble together? I'm on a low
> >budget, so I'm looking for free or inexpensive
> >software (maximum of $200 or so).
> >
> >Thanks for any help!
> >
> >
> >-Mike
> >
> >_______________________________________________
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> >
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