new function rrd_fetch_r() (and make the

[rrdtool.git] / doc / rrdgraph.pod

diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod
index 8074fd6..59d3ac4 100644 (file)
--- a/doc/rrdgraph.pod
+++ b/doc/rrdgraph.pod
@@ -191,6 +191,10 @@ placed every I<label factor> lines.  You can specify C<-y none> to
 suppress the grid and labels altogether.  The default for this option is
 to automatically select sensible values.
 
+If you have set --y-grid to 'none' not only the labels get supressed, also
+the space reserved for the labels is removed. You can still add space
+manually if you use the --units-length command to explicitly reserve space.
+
 [B<-Y>|B<--alt-y-grid>]
 
 Place the Y grid dynamically based on the graph's Y range. The algorithm
@@ -227,6 +231,12 @@ How many digits should rrdtool assume the y-axis labels to be? You
 may have to use this option to make enough space once you start
 fideling with the y-axis labeling.
 
+[B<--units=si>]
+
+With this option y-axis values on logarithmic graphs will be scaled to 
+the appropriate units (k, M, etc.) instead of using exponential notation.
+Note that for linear graphs, SI notation is used by default.
+
 =back
 
 =item Miscellaneous
@@ -261,7 +271,7 @@ and blue. Optionally you may add another hexadecimal number specifying the
 transparency (FF is solid). You may set this option several times to alter
 multiple defaults.
 
-A green arrow is made by: C<--color ARROW:00FF00>
+A green arrow is made by: C<--color ARROW#00FF00>
 
 [B<--zoom> I<factor>]
 
@@ -338,6 +348,11 @@ If you are graphing memory (and NOT network traffic) this switch
 should be set to 1024 so that one Kb is 1024 byte. For traffic
 measurement, 1 kb/s is 1000 b/s.
 
+[B<-W>|B<--watermark> I<string>]
+
+Adds the given string as a watermark, horizontally centred, at the bottom 
+of the graph.
+
 =item Data and variables
 
 B<DEF:>I<vname>B<=>I<rrdfile>B<:>I<ds-name>B<:>I<CF>[B<:step=>I<step>][B<:start=>I<time>][B<:end=>I<time>]
@@ -369,7 +384,7 @@ Make sure to read L<rrdgraph_examples> for tipsE<amp>tricks.
 
 =head1 AUTHOR
 
-Program by Tobias Oetiker E<lt>oetiker@ee.ethz.chE<gt>
+Program by Tobias Oetiker E<lt>tobi@oetiker.chE<gt>
 
 This manual page by Alex van den Bogaerdt E<lt>alex@ergens.op.het.netE<gt>