=item I<filename>
-The name of the graph to generate. Since B<rrdtool> outputs
+The name of the graph to generate. Since B<RRDtool> outputs
SVGs and PNGs, it's recommended that the filename end in either
-F<.svg> or F<.png>. B<rrdtool> does not enforce this, however.
+F<.svg> or F<.png>. B<RRDtool> does not enforce this, however.
If the I<filename> is set to '-' the image file will be written
to standard out. All other output will get suppressed.
=item B<-a>|B<--imgformat> B<SVG>|B<PNG> (default: PNG)
-Allows you to produce PNG output from rrdtool.
+Allows you to produce PNG output from RRDtool.
=item B<-z>|B<--lazy> (default: false)
Defines the value normally located at the upper border of the
graph. If the graph contains higher values, the upper border will
-move upwards to accomodate these values as well.
+move upward to accommodate these values as well.
If you want to define an upper-limit which will not move in any
event you have to set the B<--rigid> option as well.
=item B<--step> I<value> (default automatic)
-By default rrdgraph calculates the width of one pixle in the time domain and
+By default rrdgraph calculates the width of one pixel in the time domain and
tries to get data at that resolution from the RRD. With this switch you can
override this behaviour. If you want rrdgraph to get data at 1 hour
resolution from the RRD, then you can set the step to 3600 seconds. Note,
-that a step smaller than 1 pixle will be silently ignored.
+that a step smaller than 1 pixel will be silently ignored.
=item B<DEF:>I<vname>B<=>I<rrd>B<:>I<ds-name>B<:>I<CF>
hours ahead of UTC.
Note that the timezone offset is always calculated for the time the
-current sample was taken at. It has nuthing todo with the time you are
+current sample was taken at. It has nothing to do with the time you are
doing the calculation.
=back
B<AREA> or B<LINE?> -- you need something to stack something onto in
the first place ;)
-Note, that when you STACK onto *UNKNOWN* data, rrdtool will not draw
+Note, that when you STACK onto *UNKNOWN* data, RRDtool will not draw
any graphics ... *UNKNOWN* is not zero ... if you want it to be zero
then you might want to use a CDEF argument with IF and UN functions to
turn *UNKNOWN* into zero ...
Normally there are two space characters inserted between every two items
printed into the graph. The space following a string can be suppressed by
-putting a B<\g> at the end of the string. The B<\g> also squshes any space
+putting a B<\g> at the end of the string. The B<\g> also ignores any space
inside the string if it is at the very end of the string. This can be used
-in connection with B<%s> to supress empty unit strings.
+in connection with B<%s> to suppress empty unit strings.
GPRINT:a:MAX:%lf%s\g
=head1 NOTE on Return Values
Whenever rrd_graph gets called, it prints a line telling the size of
-the image it has just created to STDOUT. This line looks like this: XSIZExYSIZE.
+the image it has just created to stdout. This line looks like this: XSIZExYSIZE.
=head1 EXAMPLE 1
to signal any unknown data.
Note that this example assumes that your data is in the positive half of the y-axis
-otherwhise you would would have to add NEGINF in order to extend the coverage
-of the rea to whole graph.
+otherwise you would would have to add NEGINF in order to extend the coverage
+of the area to whole graph.
=head1 EXAMPLE 4
projects / rrdtool.git / blobdiff