cullam Bruce-Lockhart wrote:
> Hi all.
> 
> I have a set of Canadian data from geobase.ca. This is fairly high 
> resolution data that is downloaded as .dem files. There are already 
> formatted in ascii, and deminfo claims they are good to go. demchop runs 
> on them just fine, and completes successfully, as does terrafit.
> 
> And then we come to genapts. It loops over and over and over, opening 
> the first pair of .arr.gz/.fit.gz it finds. It's not a problem with that 
> particular pair, as deleting them just makes it loop opening the next 
> pair. This happens regardless of whether I put them in DEM-USGS-3 or 
> SRTM2-North_America-3. Any idea what could be going wrong here? Is it 
> possible that demchop is handling them as if they were 30 arc-sec data? 
> The resolution on these is about 25-30 m, and I'm not sure exactly what 
> that translates to in arc-sec, but it's 3 or less. I've heard someone 
> say that this data set is .75 arc-sec, actually, but I'm not quite sure 
> if that's right or not.

~30m is 1 arcsec - if you didn't process the data as 1arcsec then you 
probably need to go re-run demchop with the correct parameters.

Jon

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