[GRASS-SVN] r67896 - grass/trunk/raster/r.compress

[svn_grass at osgeo.org]

Author: mmetz
Date: 2016-02-20 02:09:08 -0800 (Sat, 20 Feb 2016)
New Revision: 67896

Modified:
   grass/trunk/raster/r.compress/r.compress.html
Log:
r.compress: example with GRASS_COMPRESSOR

Modified: grass/trunk/raster/r.compress/r.compress.html
===================================================================
--- grass/trunk/raster/r.compress/r.compress.html	2016-02-20 10:08:19 UTC (rev 67895)
+++ grass/trunk/raster/r.compress/r.compress.html	2016-02-20 10:09:08 UTC (rev 67896)
@@ -24,7 +24,7 @@
 <p>
 Raster maps that are already compressed are again compressed. This is 
 useful if either the compression method set with the environment 
-variable <b>GRASS_COMPRESSOR</b> (RLE, ZLIB, LZ4, BZiP2) is changed or 
+variable <b>GRASS_COMPRESSOR</b> (RLE, ZLIB, LZ4, BZIP2) is changed or 
 if the ZLIB compression level is manually changed by setting the 
 environment variable GRASS_ZLIB_LEVEL.
 
@@ -137,7 +137,19 @@
 unset GRASS_INT_ZLIB
 </pre></div>
 
+<p>
+Applying BZIP2 compression to a copy of the ZLIB-compressed map:
+<div class="code"><pre>
+# compression of map using BZIP2 compression
+g.copy raster=compressed_ZLIB,compressed_BZIP2
 
+export GRASS_COMPRESSOR=BZIP2 # BZIP2
+r.compress compressed_BZIP2
+r.compress compressed_BZIP2 -p
+  <compressed_BZIP2> is compressed (method 4: BZIP2). Data type: <CELL>
+unset GRASS_COMPRESSOR
+</pre></div>
+
 <h2>SEE ALSO</h2>
 
 <em>