BUGFIX: minor: fixed volumeexplorer child processor property initialization

modules/vis/processors/volumeexplorer.cpp

@@ -119,6 +119,8 @@ namespace campvis {
         if (TransferFunctionProperty* tester = dynamic_cast<TransferFunctionProperty*>(_sliceRenderer->getProperty("TransferFunction"))) {
         	_windowingHandler.setTransferFunctionProperty(tester);
         }
+
+		onPropertyChanged(&p_outputImage); // force property name setup of child processors
     }
 
     VolumeExplorer::~VolumeExplorer() {