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I am trying to convert 7.5' SDTS elevation data from
the USGS site and have used the SDTSEPOV.EXE
converter from BLM without any success.
This should give a Targa (POV) output file
Keep getting error messages "Error reading data record subfield"
Anybody had a similar problem?
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David Vincent-Jones wrote:
>
> I am trying to convert 7.5' SDTS elevation data from
> the USGS site and have used the SDTSEPOV.EXE
> converter from BLM without any success.
> This should give a Targa (POV) output file
> Keep getting error messages "Error reading data record subfield"
> Anybody had a similar problem?
I'm sorry I can't help with your problem but I would like to know where
you obtained SDTSEPOV.EXE. It would be a good addition to my links collection
if you could point me in the right direction or provide a direct link to the
page it is on.
Thanks,
--
Ken Tyler
mailto://tylereng@pacbell.net
http://home.pacbell.net/tylereng/links.htm
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Ken <tyl### [at] pacbell net> wrote:
>
>
> David Vincent-Jones wrote:
> >
> > I am trying to convert 7.5' SDTS elevation data from
> > the USGS site and have used the SDTSEPOV.EXE
> > converter from BLM without any success.
> > This should give a Targa (POV) output file
> > Keep getting error messages "Error reading data record subfield"
> > Anybody had a similar problem?
>
> I'm sorry I can't help with your problem but I would like to know where
> you obtained SDTSEPOV.EXE. It would be a good addition to my links
collection
> if you could point me in the right direction or provide a direct link to
the
> page it is on.
>
> Thanks,
>
> --
> Ken Tyler
>
> mailto://tylereng@pacbell.net
> http://home.pacbell.net/tylereng/links.htm
Sorry, not exactly what you wanted, but there are freeware programs
concerning SDTS-files (including a SDTS2DEM utility) here:
http://caplter.asu.edu/intranet/support/software.htm
Greetings,
Gerald
ger### [at] aonat
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I sincerely beg your pardon, but I just ignored main internet rule:
"Never shoot from the hip" aka "Always confirm the links you provide".
The downloads from the above address don't seem to work.
Truly crushed,
Gerald
ger### [at] aonat
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"Gerald K. Dobiasovsky" wrote:
>
> I sincerely beg your pardon, but I just ignored main internet rule:
> "Never shoot from the hip" aka "Always confirm the links you provide".
>
> The downloads from the above address don't seem to work.
>
> Truly crushed,
>
> Gerald
> ger### [at] aonat
Don't be - crushed that is. It worked fine for me and has been dutifully
added to the collection. I also have a link for a dem2pov utility. It may
be a roundabout way of getting there but it is possible anyway.
Thank you for your support.
--
Ken Tyler
mailto://tylereng@pacbell.net
http://home.pacbell.net/tylereng/links.htm
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Thanks for the moral support, but I've finally found it
(SDTSEPOV, that is - there are other utilities there, too):
ftp://ftp.blm.gov/pub/gis/sdts/dem/
...with a sigh of relief,
Gerald
ger### [at] aonat
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"Gerald K. Dobiasovsky" wrote:
>
> Thanks for the moral support, but I've finally found it
> (SDTSEPOV, that is - there are other utilities there, too):
>
> ftp://ftp.blm.gov/pub/gis/sdts/dem/
>
> ...with a sigh of relief,
>
> Gerald
> ger### [at] aonat
Whew ! It has been added and again thank you.
--
Ken Tyler
mailto://tylereng@pacbell.net
http://home.pacbell.net/tylereng/links.htm
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David Vincent-Jones wrote:
>
> I am trying to convert 7.5' SDTS elevation data from
> the USGS site and have used the SDTSEPOV.EXE
> converter from BLM without any success.
> This should give a Targa (POV) output file
> Keep getting error messages "Error reading data record subfield"
> Anybody had a similar problem?
I noticed the following at the BLM site and it may explain the problem
you are having. Notice the mention of two different format:
With the confusion caused by the USGS releasing DEMs and calling them
SDTS files, I had to re-organize this directory to highlight the differences
between the 2 very different formats (SDTS/DLG and SDTS/DEM). This is a
direct reaction to the vast number of phone calls/email messages that report
problems that turn out to be the result of trying to use a SDTS/DLG program
with SDTS/DEM data and visa versa.
--
Ken Tyler
mailto://tylereng@pacbell.net
http://home.pacbell.net/tylereng/links.htm
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On Sat, 31 Jul 1999 09:18:19 -0700, David Vincent-Jones wrote:
>I am trying to convert 7.5' SDTS elevation data from
>the USGS site and have used the SDTSEPOV.EXE
>converter from BLM without any success.
>This should give a Targa (POV) output file
>Keep getting error messages "Error reading data record subfield"
>Anybody had a similar problem?
One possibility is that you inadvertantly used a program like
WinZIP that thinks the file it's unzipping is text. ISO 8211
looks superficially text-like, but there is some binary data
after the headers, so "intelligent" unzippers will tend to mung
the coordinate data by converting line endings.
(Oh, God, I thought I'd never have to think about SDTS again.
Unclean! Unclean!)
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