[rrd-users] Re: RRD::GRAPH

[Alex van den Bogaerdt]

=?iso-8859-1?Q?I=F1aki_Mart=EDnez?= wrote:

>   With this i have each 12 hours a vertical line and each day a major
>  vertical line with the text day (3 chars) CENTERED respect major
>  vertical lines when i want between major vertical lines like above.
> 
>   I do not understand the precission parameter........

"Precision" is just a number of seconds.  This number is then
transformed in a number of pixels, divided by two, added to the
position of the major grid line.

   |                                    |
   +------------------------------------+

   <--- # of pixels represents 1 day --->

                      ^
                      |
                      |
   precision == 86400, position is halfway two major grid lines

   ^
   |
   |
   precision == 0, position is at the major grid line
   


   |                                     |
   +-------------------------------------+
   <--- # of pixels represents 1 hour --->
                      ^
                      |
                      |
   precision == 3600, position is halfway two major grid lines
   ^
   |
   |
   precision == 0, position is at the major grid line


HTH
-- 
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 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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