A horizontal string at the top of the graph and/or a vertically
placed string at the left hand side of the graph.
+=item Right Axis
+
+[B<--right-axis> I<scale>B<:>I<shift>]
+[B<--right-axis-label> I<label>]
+
+A second axis will be drawn to the right of the graph. It is tied to the
+left axis via the scale and shift parameters. You can also define a label
+for the right axis.
+
+[B<--right-axis-format> I<format-string>]
+
+By default the format of the axis lables gets determined automatically. If
+you want todo this your self, use this option with the same %lf arguments
+you know from the PRING and GPRINT commands.
+
=head2 Size
[B<-w>|B<--width> I<pixels>]
In order to avoid anti-aliasing blurring effects rrdtool snaps
points to device resolution pixels, this results in a crisper
-aperance. If this is not to your liking, you can use this switch
+appearance. If this is not to your liking, you can use this switch
to turn this behaviour off.
Gridfitting is turned off for PDF, EPS, SVG output by default.
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
+If you have set --y-grid to 'none' not only the labels get suppressed, 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.
Address of the L<rrdcached> daemon. If specified, a C<flush> command is sent
to the server before reading the RRD files. This allows the graph to contain
-fresh data even if the daemon is configured to cache values for a long time. To
-specify a UNIX domain socket use the prefix C<unix:>, see example below. Other
-addresses are interpreted as normal network addresses, i.E<nbsp>e. IPv4 or IPv6
-addresses in most cases.
+fresh data even if the daemon is configured to cache values for a long time.
+For a list of accepted formats, see the B<-l> option in the L<rrdcached> manual.
rrdtool graph [...] --daemon unix:/var/run/rrdcached.sock [...]
Use Times for the title: C<--font TITLE:13:Times>
-If you do not give a font string you can modify just the sice of the default font:
+If you do not give a font string you can modify just the size of the default font:
C<--font TITLE:13:>.
If you specify the size 0 then you can modify just the font without touching
-the size. This is especially usefull for altering the default font without
+the size. This is especially useful for altering the default font without
resetting the default fontsizes: C<--font DEFAULT:0:Courier>.
RRDtool comes with a preset default font. You can set the environment
Calling rrdtool with the graphv option will return information in the
rrdtool info format. On the command line this means that all output will be
-in key=value format. When used from the perl and ruby bindings a hash
+in key=value format. When used from the Perl and Ruby bindings a hash
pointer will be returned from the call.
When the filename '-' is given, the contents of the graph itself will also