X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=doc%2Frrdgraph.pod;h=9060bd831b97d695edbe6d1ac3392bd79174ee4d;hb=657d850f957a2dd703e3aab2d7cde4b0f9711c15;hp=63f5307f9d5844d11d1ebbc089520f60f42a3d5c;hpb=313df098f215d23bdec785753506c6cf8e4201b6;p=rrdtool.git

diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod
index 63f5307..9060bd8 100644
--- a/doc/rrdgraph.pod
+++ b/doc/rrdgraph.pod
@@ -123,6 +123,14 @@ maximum y-axis from the actual minimum and maximum data values. Our example
 would display slightly less than C<260-0.001> to slightly more than
 C<260+0.001> (this feature was contributed by Sasha Mikheev).
 
+[B<-J>|B<--alt-autoscale-min>]
+
+Where C<--alt-autoscale> will modify both the absolute maximum AND minimum
+values, this option will only affect the minimum value. The maximum
+value, if not defined on the command line, will be 0. This option can
+be useful when graphing router traffic when the WAN line uses compression,
+and thus the throughput may be higher than the WAN line speed.
+
 [B<-M>|B<--alt-autoscale-max>]
 
 Where C<--alt-autoscale> will modify both the absolute maximum AND minimum
@@ -191,6 +199,10 @@ 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
@@ -380,7 +392,7 @@ 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>