Hi all,
I plan to download the USGS NED 1/3 arcsec dataset and I noticed it is
available in 2 formats: ArcGrid and GridFloat
Is one easier, faster, smaller, etc to work with than the other?
My goal is to augment the Tiger road network with Z elevation data.
I'm wondering if there is a tool that already does this, like read a
shapefile, augment with elevation and write a new shapefile. Or if I
would need to write a tools that does that. Can postgis be used to do this?
Given a lat,lon, what is the fastest way to get the elevation?
Thank you for any input you can provide.
-Steve
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