GenGauss3D Node1 GenGauss3D # xvec # muvec # vxx # vxy # vxz # vyy # vyz # vzz + GenGauss3D() + GenGauss3D() + GenGauss3D() + clone() + ~GenGauss3D() + getAnalyticalIntegral() + analyticalIntegral() + generateEvent() + updateCov() # evaluate() Node2 RooMultiVarGaussian Node2->Node1