This questions is probably a little pre-mature, as I haven't actually been able
to compile Terra-gear yet on either Windows or Ubuntu - the various
instructions out there all seem to have links to other instructions for things
you need - and these are often out of date. Anyway, that's not my question. At
some point, I'll hopefully be able to build Terragear.
The big things I want to fix is the precision of the elevation model. We're
flying UAV's in Newfoundland, which means it's VERY rugged, and 1 km precission
simply doesn't cover it. STM1 data isn't available for Canada through the
websites quoted on the Terragear instructions. But I mannaged to find 30m
precission data, which should be perfect! The question then, is how I format
it.
The data I've gathered comes from:
http://geobase.ca/geobase/en/data/cded/description.html
Anyway, when I unpack it, the format is a .dem file. Actuall, it produces two
files of identical size called "001n10_0100_deme.dem" and
"001n10_0100_demw.dem". I know that the string of numbers is a refernece to the
position of this rectangle on the earth. But I'm not sure why there are two
files (this is from one rectangle - a single zip file). There's also an xml and
an html file, but those are just discriptions and information about the land
containted in the data.
This is essentially the information that Terragear wants for its DEM, but it's
not the file format that is works with. Has anyone used this data set before?
Does anyone know what I'll need to do to it to be able to hand it over to
Terragear to work with? I'm actually going to be building two of these
rectangles of data, but I just listed one here for asking the question. Thanks
for the help! (you guys are always so great about that for us stunned newbies!)
-cullam
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