5. Re: USGS NED Dataset (Stephen Woodbridge) ------------------------------
I haven't done it myself, but a friend got a lot of data by mailing external hard drives. He might have gone through this email: [email protected] listed here: http://ned.usgs.gov/Ned/faq.asp#DATA Bests, Eli Date: Fri, 20 Aug 2010 12:36:42 -0400 From: Stephen Woodbridge <[email protected]> Subject: Re: [postgis-users] USGS NED Dataset To: PostGIS Users Discussion <[email protected]> Message-ID: <[email protected]> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Thanks! that is exactly what I needed to know. I'm in the painful process of downloading the NED data from there seamless download application - I can not tell you how frustrating these stupid apps are. Just give me a simple ftp site and wget would be so much easier for the users. -Steve On 8/19/2010 2:03 AM, Paragon Corporation wrote: > Steve, > > Yes it can. You would use gdal2wkraster.py packaged with WKT Raster to > load the data in. You'll need working GDAL and Python 2.5 (I think 2.6 > works as well now though haven't tried with 2.6). > > From there you should be able to use the ST_Intersects functions to cross > join your geometries with the elevation data. > > > Pierre has a tutorial here covering some exercises with elevation data. > > http://trac.osgeo.org/postgis/wiki/WKTRasterTutorial01 > > The last chapter of our book covers various exercises in loading different > types of raster data and working with geometry/raster together. > http://www.postgis.us/chapter_13 > > We are in the middle of updating that since some things have been > added/simplified since we last updated it. > > Thanks, > Leo and Regina > http://www.postgis.us > > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Stephen > Woodbridge > Sent: Wednesday, August 18, 2010 4:36 PM > To: PostGIS Users Discussion > Subject: [postgis-users] USGS NED Dataset > > Hi all, > > Any thoughts on loading and using the USGS NED data set with postgis? > > My goal would be to take something like the Tiger Street data and augment > that with elevation data for the Z values. > > Does the new raster support facilitate doing this? > Has anyone already done this or can someone describe the process? > > Thanks, > -Steve > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users > > > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
