[GRASS-SVN] r71810 - grass/trunk/raster/r.watershed/front
svn_grass at osgeo.org
svn_grass at osgeo.org
Thu Nov 23 16:21:48 PST 2017
Author: wenzeslaus
Date: 2017-11-23 16:21:48 -0800 (Thu, 23 Nov 2017)
New Revision: 71810
Modified:
grass/trunk/raster/r.watershed/front/main.c
grass/trunk/raster/r.watershed/front/r.watershed.html
Log:
r.watershed: 8 not 9 dirs, starting from NE not E (fix r71806)
Modified: grass/trunk/raster/r.watershed/front/main.c
===================================================================
--- grass/trunk/raster/r.watershed/front/main.c 2017-11-23 23:48:54 UTC (rev 71809)
+++ grass/trunk/raster/r.watershed/front/main.c 2017-11-24 00:21:48 UTC (rev 71810)
@@ -155,7 +155,7 @@
opt9 = G_define_standard_option(G_OPT_R_OUTPUT);
opt9->key = "drainage";
opt9->label = _("Name for output drainage direction raster map");
- opt9->description = _("Directions from east numbered from 1 to 9");
+ opt9->description = _("Directions numbered from 1 to 8");
opt9->required = NO;
opt9->guisection = _("Outputs");
Modified: grass/trunk/raster/r.watershed/front/r.watershed.html
===================================================================
--- grass/trunk/raster/r.watershed/front/r.watershed.html 2017-11-23 23:48:54 UTC (rev 71809)
+++ grass/trunk/raster/r.watershed/front/r.watershed.html 2017-11-24 00:21:48 UTC (rev 71810)
@@ -379,8 +379,9 @@
stream network and subbasins within the larger basin.
<p>
-Given that the <b>drainage</b> is 9 directions numbered
-counterclockwise from east starting from 1, multiplying the output
+Given that the <b>drainage</b> is 8 directions numbered
+counter-clockwise starting from 1 in north-east direction,
+multiplying the output
by 45 (by <tt>45.</tt> to get a double precision floating point raster
map in <em><a href="r.mapcalc.html">r.mapcalc</a></em>) gives
the directions in degrees. For most applications, zeros
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