[GRASS-SVN] r71589 - grass/trunk/raster/r.in.gdal

[svn_grass at osgeo.org]

Author: neteler
Date: 2017-10-25 00:20:26 -0700 (Wed, 25 Oct 2017)
New Revision: 71589

Modified:
   grass/trunk/raster/r.in.gdal/r.in.gdal.html
Log:
r.in.gdal manual: added raster file import over network

Modified: grass/trunk/raster/r.in.gdal/r.in.gdal.html
===================================================================
--- grass/trunk/raster/r.in.gdal/r.in.gdal.html	2017-10-24 21:38:38 UTC (rev 71588)
+++ grass/trunk/raster/r.in.gdal/r.in.gdal.html	2017-10-25 07:20:26 UTC (rev 71589)
@@ -358,6 +358,21 @@
 Finally, e.g. the 'terrain' color table can be assigned to the imported map with <em>r.colors</em>.
 See also their <a href="http://www.ngdc.noaa.gov/mgg/dem/demportal.html">DEM portal</a>.
 
+<h3>Raster file import over network</h3>
+
+Since GDAL 2.x it is possible to import raster data over network
+(see <a href="http://gdal.org/gdal_virtual_file_systems.html">GDAL Virtual File Systems</a>)
+including <a href="http://www.cogeo.org/">Cloud Optimized GeoTIFF</a>,
+i.e. access uncompressed and compressed raster data via a http(s) or ftp connection.
+As an example the import of the global SRTMGL1 V003 tiles at 1 arc second (about 30 meters)
+resolution, void-filled:
+
+<div class="code"><pre>
+r.in.gdal /vsicurl/https://www.datenatlas.de/geodata/public/srtmgl1/srtmgl1.003.tif output=srtmgl1_v003_30m memory=2000
+g.region raster=srtmgl1_v003_30m -p
+r.colors srtmgl1_v003_30m color=srtm_plus
+</pre></div>
+
 <h3>Worldclim.org data</h3>
 
 To import the BIL data from <a href="http://www.worldclim.org">Worldclim</a>, the following