[GRASS-SVN] r71898 - grass/branches/releasebranch_7_2/raster/r.compress
svn_grass at osgeo.org
svn_grass at osgeo.org
Wed Dec 6 04:44:48 PST 2017
Author: neteler
Date: 2017-12-06 04:44:47 -0800 (Wed, 06 Dec 2017)
New Revision: 71898
Modified:
grass/branches/releasebranch_7_2/raster/r.compress/r.compress.html
Log:
r.compress manual: added that NULL file compression is fixed to LZ4
Modified: grass/branches/releasebranch_7_2/raster/r.compress/r.compress.html
===================================================================
--- grass/branches/releasebranch_7_2/raster/r.compress/r.compress.html 2017-12-06 12:43:03 UTC (rev 71897)
+++ grass/branches/releasebranch_7_2/raster/r.compress/r.compress.html 2017-12-06 12:44:47 UTC (rev 71898)
@@ -93,6 +93,8 @@
<tt>export GRASS_COMPRESS_NULLS=1</tt> - such raster maps can then only
be opened with GRASS GIS 7.2.0 or later. NULL file compression can be
managed with <b>r.null -z</b>.
+The NULL file compression is using the LZ4 method as being the best compromise
+between speed and compression rate.
<h3>COMPRESSION ALGORITHM DETAILS</h3>
<!-- keep in sync with raster/rasterintro.html -->
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