On Saturday, May 05, 2012 10:19:36 PM Paul Norman wrote: > I've been looking at the NHD data from the USGS site and have noticed a few > recent changes from how they were described on the wiki. > > 1. The viewer has changed. http://viewer.nationalmap.gov/viewer/nhd.html > will bring up a map you can use to download NHD data. This viewer does not > work in Chrome but does work in IE. Subregions are pre-staged downloads, > the others will take some time before you can download. >
Firefox also works. > Subregions can be directly downloaded from > ftp://nhdftp.usgs.gov/DataSets/Staged/SubRegions/PersonalGDB/HighResolution > / > > Most subregions are available as a new NHD 931v210 file but some are still > being generated. > > 2. NHD data is now available only as File Geodatabases (File GDBs, .gdb) > and Personal Geodatabases (Personal GDBs, .mdb). My understanding is the > default builds of QuantumGIS and GDAL on Windows can open Personal GDBs. > > On linux gdal can be compiled with drv_mdb or the pgeo driver can be used > for Personal GDBs, or the filegdb driver can be used for File GDBs. This is > moderately technical. > I was able to download a .shp file from the viewer. It had changes in it date in 2012, so I assume that it is current. James _______________________________________________ Talk-us mailing list Talk-us@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-us
