[GRASS-SVN] r72912 - grass-addons/grass7/raster/r.accumulate

[svn_grass at osgeo.org]

Author: hcho
Date: 2018-06-26 04:29:03 -0700 (Tue, 26 Jun 2018)
New Revision: 72912

Modified:
   grass-addons/grass7/raster/r.accumulate/r.accumulate.html
Log:
r.accumulate: Add stream network delineation in the manual

Modified: grass-addons/grass7/raster/r.accumulate/r.accumulate.html
===================================================================
--- grass-addons/grass7/raster/r.accumulate/r.accumulate.html	2018-06-26 10:02:04 UTC (rev 72911)
+++ grass-addons/grass7/raster/r.accumulate/r.accumulate.html	2018-06-26 11:29:03 UTC (rev 72912)
@@ -5,6 +5,8 @@
 
 <h2>NOTES</h2>
 
+<h3>Flow accumulation</h3>
+
 Unlike <em>r.watershed</em>, <em>r.accumulate</em> does not require the
 elevation data to calculate weigited flow accumulation.  Instead, this module
 only uses a flow direction map to trace and accumulate the amount of flow
@@ -32,8 +34,16 @@
                    (r.watershed drainage)
 </pre></div>
 
-<p>With <b>longest_flow_path</b> option, the module will create a longest flow
-path vector map for outlet points speecified by <b>coordinates</b> and/or
+<h3>Stream network delineation</h3>
+
+With <b>stream</b> and <b>threshold</b> options, the module will delineate
+stream networks with the minimum flow accumulation for stream generation. A
+<b>weight</b> input map may be used with <b>threshold</b>.
+
+<h3>Longest flow path calculation</h3>
+
+With <b>longest_flow_path</b> option, the module will create a longest flow
+path vector map for outlet points specified by <b>coordinates</b> and/or
 <b>outlet</b> with <b>outlet_layer</b> option. You can assign unique IDs to
 longest flow paths using <b>id</b> (with <b>coordinates</b>) and/or
 <b>outlet_id_column</b> (with <b>outlet</b>). Assigning IDs also requires
@@ -140,7 +150,7 @@
 
 # calculate longest flow paths at two outlets and assign IDs
 r.accumulate direction=drain_directions lfp=lfp coordinates=642455,222614,642306,222734 \
-    id=1,2 id_column=lfp_id 
+    id=1,2 id_column=lfp_id
 
 # calculate longest flow paths at all points in the outlets map
 r.accumulate direction=drain_directions lfp=lfp outlet=outlets