On Sun, May 28, 2006 at 10:38:04PM +0200, John wrote:
> "LINE:incoming/stack" is unambiguous and allows keeping the old syntax
> for backward compatibility, that's why I suggested to use something
> other than ":" or "#". Of course, one could use named arguments just
> for new stuff, say "LINE2:in#ff0000:Incoming::dash=2,3", but "::" is a
> bit unintuitive, isn't it? (Note that this isn't a problem for DEF
> since all previous arguments are required.)
Would you have prefered STACKEDLINE:in#FF0000 ?
And DASHEDLINE:in#FF0000
And DASHEDSTACKEDLINE:in#FF0000
etc. ?
Or: forbid the legend "STACK" ?
That double colon was necessary IMO. That is, to allow stacking
lines on top of areas and vice versa.
Perhaps it is time to change rrd-graph entirely, perhaps something
like CSS. Style options then do not need to go on one line, no need
to have empty fields for unused operators, easy to expand.
Example:
somename {
source: in;
color: #FF0000;
width: 3.5;
stacked: true;
dashed: 2/3;
legend: "Incoming";
}
othername {
source: out;
color: #0000FF;
/* stacked defaults to false */
/* dashed defaults to 1, meaning solid line */
legend: "Outgoing";
}
AREA:othername
GPRINT:out:"%6.2lf\n"
LINE:somename
GPRINT:in:"%6.2lf\n"
Or even:
somename {
style: line;
source: in;
... and so on ...
}
othername {
style: area;
source: out;
... and so on ...
}
PLOT:othername
PLOT:somename
LEGEND:somename
GPRINT:in:"%6.2lf\n"
LEGEND:othername
GPRINT:out:"%6.2lf\n"
and we have solved the legend ordering challenge as well. User decides.
Also:
canvas {
style: mrtg; /* mrtg lookalike; others will sure follow */
direction: oldest_first; /* or oldest_last */
border: solid black 1px;
title: "xyz router bandwidth";
}
xgrid {
xaxis-scale: auto;
xaxis-major: day;
xaxis-minor: 8 hours;
... and so on ... all of the "--x-grid" options
}
... and so on ... most if not all other flags.
Either XML-alike or CSS-alike will do.
--
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/
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