Get Emissivity from Config Manager Before Setting

StreamManager.cpp

@@ -157,7 +157,7 @@ void StreamManager::ConfigureStream()
     // Use Temperature Format Instead of Raw Counts
     lDeviceParams->SetEnumValue("IRFormat", 1);
 
-    SetEmissivity(0.95);
+    SetEmissivity(((FaultFinder *)parent())->config_mgr->GetEmissivity());
 }
 
 void StreamManager::CreatePipeline()