[GRASS-SVN] r69622 - grass/trunk/display/d.linegraph

[svn_grass at osgeo.org]

Author: wenzeslaus
Date: 2016-10-01 14:01:59 -0700 (Sat, 01 Oct 2016)
New Revision: 69622

Modified:
   grass/trunk/display/d.linegraph/d.linegraph.html
Log:
d.linegraph: example with two variables

Modified: grass/trunk/display/d.linegraph/d.linegraph.html
===================================================================
--- grass/trunk/display/d.linegraph/d.linegraph.html	2016-10-01 20:59:33 UTC (rev 69621)
+++ grass/trunk/display/d.linegraph/d.linegraph.html	2016-10-01 21:01:59 UTC (rev 69622)
@@ -75,6 +75,52 @@
 (You can make GNUplot output pretty by using its SVG or PostScript output
 driver and converting that back into a rasterized image in a paint program)
 
+<h2>EXAMPLE</h2>
+
+The following can be executed in Bash to create the input data for this
+example. The user can just create these files in a text editor, save
+them and specify path to them.
+
+<div class="code"><pre>
+cat > x.txt <<EOF
+1
+3
+4
+6
+9
+EOF
+cat > y1.txt <<EOF
+50
+58
+65
+34
+27
+EOF
+cat > y2.txt <<EOF
+10
+20
+35
+50
+45
+EOF
+</pre></div>
+
+<!--
+export GRASS_FONT=sans  # fixes bad default font
+d.mon start=cairo output=plot.png width=400 height=400 --o
+d.erase  # previous image is not cleaned
+-->
+
+The series of commands creates a file <tt>plot.png</tt> in the current
+directory which is the drawing make by <em>d.linegraph</em>.
+
+<div class="code"><pre>
+d.mon start=cairo output=plot.png width=400 height=400
+d.linegraph x_file=x.txt y_file=y1.txt,y2.txt
+d.mon stop=cairo
+</pre></div>
+
+
 <h2>SEE ALSO</h2>
 <em>
 <a href="d.frame.html">d.frame</a>,