librenms-librenms/html/includes/graphs/sensor/temperature.inc.php

<?php

$scale_min = "0";
$scale_max = "60";

include("includes/graphs/common.inc.php");

$rrd_options .= " COMMENT:'                          Min     Last   Max\\n'";

$sensor['sensor_descr_fixed'] = substr(str_pad($sensor['sensor_descr'], 21),0,21);
$sensor['sensor_descr_fixed'] = str_replace(':','\:',str_replace('\*','*',$sensor['sensor_descr_fixed']));

$rrd_options .= " DEF:sensor=$rrd_filename:sensor:AVERAGE";
$rrd_options .= " DEF:sensor_max=$rrd_filename:sensor:MAX";
$rrd_options .= " DEF:sensor_min=$rrd_filename:sensor:MIN";
$rrd_options .= " CDEF:sensorwarm=sensor_max,".$sensor['sensor_limit'].",GT,sensor,UNKN,IF";
$rrd_options .= " CDEF:sensorcold=sensor_min,20,LT,sensor,UNKN,IF";
$rrd_options .= " AREA:sensor_max#c5c5c5";
$rrd_options .= " AREA:sensor_min#ffffffff";

#  $rrd_options .= " AREA:sensor#bbd392";
#  $rrd_options .= " AREA:sensorwarm#FFCCCC";
#  $rrd_options .= " AREA:sensorcold#CCCCFF";
#  $rrd_options .= " LINE1:sensor#cc0000:'" . str_replace(':','\:',str_replace('\*','*',quotemeta($sensor['sensor_descr_fixed'])))."'"; # Ugly hack :(

$rrd_options .= " LINE1.5:sensor#cc0000:'" . $sensor['sensor_descr_fixed']."'"; 
#  $rrd_options .= " LINE1.5:sensorwarm#660000";
$rrd_options .= " GPRINT:sensor_min:MIN:%4.1lfC";
$rrd_options .= " GPRINT:sensor:LAST:%4.1lfC";
$rrd_options .= " GPRINT:sensor_max:MAX:%4.1lfC\\\\l";

if (is_numeric($sensor['sensor_limit'])) $rrd_options .= " HRULE:".$sensor['sensor_limit']."#999999::dashes";
if (is_numeric($sensor['sensor_limit_low'])) $rrd_options .= " HRULE:".$sensor['sensor_limit_low']."#999999::dashes";

?>