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98_logProxy.pm: added logProxy_values2Plot

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git-svn-id: https://svn.fhem.de/fhem/trunk@8724 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
justme-1968 2015-06-10 09:17:44 +00:00
parent e64eaebdb2
commit f0c917530c
1 changed files with 20 additions and 0 deletions
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fhem/FHEM/98_logProxy.pm
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@ -655,7 +655,25 @@ logProxy_xy2Plot($)
return ($ret,$min,$max,$last);
}
#create plot data from date-y-array
sub
logProxy_values2Plot($)
{
my ($array) = @_;
my $ret = ";c 0\n";
my $min = 999999;
my $max = -999999;
my $last;
return ($ret,$min,$max,$last) if( !ref($array) eq "ARRAY" );
foreach my $point ( @{$array} ) {
$ret .= "$point->[0] $point->[1]\n";
}
return ($ret,$min,$max,$last);
}
sub
logProxy_Get($@)
{
@ -1282,6 +1300,8 @@ logProxy_Get($@)
the following list: hour,qday,day,week,month,year and the values representing the step with for the zoom level.</li>
<li>logProxy_xy2Plot(\@xyArray) is a sample implementation of a function that will accept a ref to an array
of xy-cordinate pairs as the data to be plotted.</li>
<li>logProxy_values2Plot(\@xyArray) is a sample implementation of a function that will accept a ref to an array
of date-y-cordinate pairs as the data to be plotted.</li>
<li>The perl expressions have access to $from and $to for the begining and end of the plot range and also to the
SVG specials min, max, avg, cnt, sum, currval (last value) and currdate (last date) values of the individual curves
already plotted are available as $data{&lt;special-n&gt;}.<br>