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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | RE: [gislist] Translating DEMs to ESRI ASCII |
| Date: |
10/23/2003 11:55:01 AM |
| From: |
Dimitri Rotow |
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>
> Does anyone know of a way to translate GTOPO30 (or Globe) into ESRI
> ASCII? I'm not sure if ESRI ASCII is the same thing as "ASCII grid" but
> the file format I need is just a grid of 16bit (I think) numbers that
> lay out somewhat like a grid in Textedit or BBEdit. A small header sits
> on top.
>
> I work on a Mac and if I can just get it into an ascii matrix, I could
> manually place the required header there myself. So, how then can I can
> GTOPO30 (or any form of DEM) translated into an ascii file that will
> read as a "matrix" in BBEdit? All I need is the elevation data
>
> I'm hoping that there will be a way to do this cheaply without having
> to buy something like FME. I s there a PC solution? I've got access to
> a 7 year-old PC running Win98 if necessary.
>
Use Manifold. It's not free, but at $245 it's certainly better than buying
some overpriced piece of legacy-ware. See http://www.manifold.net
Manifold will read the GTOPO30 DEMs and can save them either to ESRI .bil or
you can copy and paste them as a table and then save the table to an ascii
file. You can also manipulate the surface if you like, especially so if you
get the Surface Tools option ($95) that will be released next week.
Cheers,
Dimitri
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