root@MCHIv-Zabbix:~/zabbix-3.0.4/frontends/php/include/classes/graphdraw# diff CLineGraphDraw.php CLineGraphDraw.php.original
2648,2664d2647
<                         // LEF Patch to graph trapper items based on average delay
<                         $trapDelay=0.0;
<                         $trapDelayCount=0;
<                         if ($this->items[$item]['type'] == ITEM_TYPE_TRAPPER) {
<                                 for ($i=1, $j=0; $i < $maxX; $i++) {
<                                       if ($data['count'][$i] == 0 && $i != ($maxX - 1)) {
<                                               continue;
<                                       }
<                                       $trapDelayCount++;
<                                       $trapDelay += abs($data['clock'][$i] - $data['clock'][$j]);
<                                       $j = $i;
<                                 }
<                               if($trapDelayCount >= 1) {
<                                       $trapDelay = $trapDelay / $trapDelayCount;
<                               }
<                         }
<
2673,2677c2656,2658
<                               $diff = abs($data['clock'][$i] - $data['clock'][$j]);           // time difference in seconds
<                               $cell = ($this->to_time - $this->from_time) / $this->sizeX;     // size of a cell in seconds
<
<                               // LEF Patch to graph trapper items
<                               $delay = ( $trapDelay>0 ? $trapDelay : $this->items[$item]['delay'] );  //  Substitute artificial gap calculation
---
>                               $diff = abs($data['clock'][$i] - $data['clock'][$j]);
>                               $cell = ($this->to_time - $this->from_time) / $this->sizeX;
>                               $delay = $this->items[$item]['delay'];
2686c2667
<                               if ($this->items[$item]['type'] == ITEM_TYPE_TRAPPER && $trapDelay == 0) {   /// LEF Patch adds check for zero to force this
---
>                               if ($this->items[$item]['type'] == ITEM_TYPE_TRAPPER) {