PixelHistoConverter Node1 PixelHistoConverter + PixelHistoConverter() + ~PixelHistoConverter() + setHisto1D() + setHisto2D() + setHisto3D() + getContent() + getContent() + getContent() + isOverflowZ() + isFirstZ() + getBinX() + getBinY() + getBinZ() - findBin() - setAxis() Node2 PixelHistoConverter ::Axis + nBins + min + max + width Node2->Node1 -m_xAxis -m_yAxis -m_zAxis Node3 std::vector< float > + elements Node3->Node1 -m_content