[GRASS-SVN] r63389 - grass/trunk/vector/v.random
svn_grass at osgeo.org
svn_grass at osgeo.org
Fri Dec 5 13:15:19 PST 2014
Author: wenzeslaus
Date: 2014-12-05 13:15:19 -0800 (Fri, 05 Dec 2014)
New Revision: 63389
Added:
grass/trunk/vector/v.random/vrandom_z.png
Modified:
grass/trunk/vector/v.random/v.random.html
Log:
v.random: create true 3D vector in the example, add image for the example
Modified: grass/trunk/vector/v.random/v.random.html
===================================================================
--- grass/trunk/vector/v.random/v.random.html 2014-12-05 19:00:27 UTC (rev 63388)
+++ grass/trunk/vector/v.random/v.random.html 2014-12-05 21:15:19 UTC (rev 63389)
@@ -35,11 +35,25 @@
v.random output=binary_random n=20 zmin=0 zmax=1 column='binary INTEGER'
</pre></div>
-Generate 20 random 3d points with height attribute [0:20] and specific random seed:
+Generate 20 random 3D points using a specific random seed:
<div class="code"><pre>
-v.random seed=501 output=height_random n=20 zmin=0 zmax=1 column=height
+v.random seed=52 output=height_random npoints=40 zmin=110 zmax=170 -z
</pre></div>
+<p>
+<center>
+<img src="vrandom_z.png"><br>
+Random points with different X, Y, and Z coordinates
+</center>
+
+<!--
+g.region rast=elev_lid792_1m
+...
+d.vect height_random color=60:60:60 icon=basic/point size=40 width=2 zcolor=gyr
+optipng -o5 map.png
+mv map.png vrandom_z.png
+-->
+
Get 20 random samples from raster map:
<div class="code"><pre>
g.region -p rast=elevation
Added: grass/trunk/vector/v.random/vrandom_z.png
===================================================================
(Binary files differ)
Property changes on: grass/trunk/vector/v.random/vrandom_z.png
___________________________________________________________________
Added: svn:mime-type
+ image/png
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