3 patches, #3 depends on #1 as EPS uses AFM for stringwidth too.

[rrdtool.git] / doc / rrdgraph.src

diff --git a/doc/rrdgraph.src b/doc/rrdgraph.src
index 980380e..c9360b9 100644 (file)
--- a/doc/rrdgraph.src
+++ b/doc/rrdgraph.src
@@ -61,7 +61,7 @@ statements (after all, most of them do define graph elements...).
 =item filename
 
 The name and path of the graph to generate. It is recommended to
-end this in C<.png> or C<.gif> but B<rrdtool> does not enforce this.
+end this in C<.png>, C<.svg> or C<.eps> but B<rrdtool> does not enforce this.
 
 I<filename> can be 'C<->' to send the image to C<stdout>. In
 that case, no other output is generated.  
@@ -180,7 +180,9 @@ Z<>
 
 =item X-Axis
 
-B<[-x|--x-grid E<lt>I<GTMC<:>GSTC<:>MTMC<:>MSTC<:>LTMC<:>LSTC<:>LPRC<:>LFM>E<gt>|C<none>]>
+B<[-x|--x-grid E<lt>I<GTMC<:>GSTC<:>MTMC<:>MSTC<:>LTMC<:>LSTC<:>LPRC<:>LFM>E<gt>]>
+
+B<[-x|--x-grid C<none>]>
 
 The x-axis label is quite complex to configure, if you don't have
 very special needs it is probably best to rely on the autoconfiguration
@@ -215,7 +217,9 @@ Z<>
 
 =item Y-Axis
 
-B<[-y|--y-grid I<E<lt>grid stepE<gt>:E<lt>label factorE<gt>>|C<none>]>
+B<[-y|--y-grid I<E<lt>grid stepE<gt>:E<lt>label factorE<gt>>]>
+
+B<[-y|--y-grid C<none>]>
 
 Y-axis grid lines appear at each I<grid step> interval.  Labels are
 placed every I<label factor> lines.  You can specify C<-y none> to
@@ -269,7 +273,7 @@ would look like this:
 
     --imginfo '<IMG SRC="/img/%s" WIDTH="%lu" HEIGHT="%lu" ALT="Demo">'
 
-B<[-c|--color I<COLORTAGBB<#>I<rrggbb>B<[>I<aa>B<<]>
+B<[-c|--color I<COLORTAG>#I<rrggbb>[I<aa>]]>
 
 Override the default colors for the standard elements of the graph.
 The I<COLORTAG> is one of C<BACK> ground, C<CANVAS>, C<SHADEA> for the
@@ -277,15 +281,17 @@ left and top border, C<SHADEB> for the right and bottom border, C<GRID>,
 C<MGRID> for the major grid, C<FONT>, C<FRAME> and axis, C<ARROW>.
 Each color is composed out of three hexadecimal numbers specifying
 its color component (00 is off, FF is maximum) of red, green and blue.
+Optionally you may add another hexademimal 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>
 
-B<--zoom> I<factor>
+B<[--zoom I<factor>]>
 
-Zoom the graphics by the given amount ... The factor must be > 0
+Zoom the graphics by the given amount ... The factor must be E<gt> 0
 
-B<[-n|--font I<FONTTAG>B<:>I<size>B<:>I<font>
+B<[-n|--font I<FONTTAG>B<:>I<size>B<:>I<font>]>
 
 Lets you customize which font to use for the various text elements on the
 rrd graphs. C<DEFAULT> sets the default value for all elements C<TITLE>,
@@ -294,16 +300,13 @@ for the graph legend.
 
 Use Times for the title: C<--font TITLE:13:/usr/lib/fonts/times.ttf>
 
-B<[-a|--imgformat C<PNG>]>
+B<[-a|--imgformat C<PNG>|C<SVG>|C<EPS>]>
 
-At present only PNG is supported, but C<EPS>, C<SVG> or even C<FLASH> should
-not be all that difficult to add.
+At present C<PNG>, C<SVG> and C<EPS> are supported.
 
 B<[-i|--interlaced]>
 
-The default is to generate a non-interlaced GIF image. It is recommended
-to generate PNG graphics as they take up to 40% less disk space and
-20-30% less time to generate.
+If images are interlaced they become visible on browsers more quickly.
 
 B<[-g|--no-legend]>