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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 03:55:00 PM |
| From: |
Paul Ramsey |
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Or you could use GDAL, it is free, libre, and better than buying some
over priced piece of proprietary legacy-ware.
http://remotesensing.org/gdal/formats_list.html
GTOPO30 is represented in the list as ESRI .hdr format. Download the
windows version as part of the OpenEV windows build, from
ftp://ftp.remotesensing.org/pub/gdal/openev/openev-win-version1.6.exe
P.
On Thursday, October 23, 2003, at 09:55 AM, Dimitri Rotow wrote:
>>
>> 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.
>
>
Paul Ramsey
Refractions Research
Email: pramsey@refractions.net
Phone: (250) 885-0632
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