fixed location of example scripts

[rrdtool.git] / doc / rrdgraph.pod

diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod
index 121a65e..b5e92b8 100644 (file)
--- a/doc/rrdgraph.pod
+++ b/doc/rrdgraph.pod
@@ -193,11 +193,12 @@ to automatically select sensible values.
 
 [B<-Y>|B<--alt-y-grid>]
 
 
 [B<-Y>|B<--alt-y-grid>]
 

-Place the Y grid dynamically based on the graph's Y range. The
-algorithm ensures that you always have a grid, that there are enough
-but not too many grid lines, and that the grid is metric. That is the
-grid lines are placed every 1, 2, 5 or 10 units.  (contributed by
-Sasha Mikheev)
+Place the Y grid dynamically based on the graph's Y range. The algorithm
+ensures that you always have a grid, that there are enough but not too many
+grid lines, and that the grid is metric. That is the grid lines are placed
+every 1, 2, 5 or 10 units. This parameter will also ensure that you get
+enough decimals displayed even if your graph goes from 69.998 to 70.001. 
+(contributed by Sasha Mikheev).

 
 [B<-o>|B<--logarithmic>]
 
 
 [B<-o>|B<--logarithmic>]
 


@@ -260,13 +261,13 @@ 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.
 
 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>]
 
 Zoom the graphics by the given amount. The factor must be E<gt> 0
 
 
 [B<--zoom> I<factor>]
 
 Zoom the graphics by the given amount. The factor must be E<gt> 0
 

-[B<-n>|B<--font> I<FONTTAG>B<:>I<size>B<:>I<font>]
+[B<-n>|B<--font> I<FONTTAG>B<:>I<size>B<:>[I<font>]]

 
 This lets you customize which font to use for the various text
 elements on the RRD graphs. C<DEFAULT> sets the default value for all
 
 This lets you customize which font to use for the various text
 elements on the RRD graphs. C<DEFAULT> sets the default value for all


@@ -275,6 +276,13 @@ for the vertical unit label, C<LEGEND> for the graph legend.
 
 Use Times for the title: C<--font TITLE:13:/usr/lib/fonts/times.ttf>
 
 
 Use Times for the title: C<--font TITLE:13:/usr/lib/fonts/times.ttf>
 

+If you do not give a font string you can modify just the sice 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
+resetting the default fontsizes: C<--font DEFAULT:0:/usr/lib/fonts/times.ttf>.
+

 RRDtool comes with a preset default font. You can set the environment
 variable C<RRD_DEFAULT_FONT> if you want to change this.
 
 RRDtool comes with a preset default font. You can set the environment
 variable C<RRD_DEFAULT_FONT> if you want to change this.