m_nodes[JointType_SpineBase]     = KNode("SpineBase", INVALID_JOINT_ID);
    m_nodes[JointType_SpineMid]      = KNode("SpineMid", JointType_SpineBase);
    m_nodes[JointType_SpineShoulder] = KNode("SpineShoulder", JointType_SpineMid);
    m_nodes[JointType_Neck]          = KNode("Neck", JointType_SpineShoulder);
    m_nodes[JointType_Head]          = KNode("Head", JointType_Neck);
    // left side
    m_nodes[JointType_HipLeft]       = KNode("HipLeft", JointType_SpineBase);
    m_nodes[JointType_KneeLeft]      = KNode("KneeLeft", JointType_HipLeft);
    m_nodes[JointType_AnkleLeft]     = KNode("AnkleLeft", JointType_KneeLeft);
    m_nodes[JointType_FootLeft]      = KNode("FootLeft", JointType_AnkleLeft);
    m_nodes[JointType_ShoulderLeft]  = KNode("ShoulderLeft", JointType_SpineShoulder);
    m_nodes[JointType_ElbowLeft]     = KNode("ElbowLeft", JointType_ShoulderLeft);
    m_nodes[JointType_WristLeft]     = KNode("WristLeft", JointType_ElbowLeft);
    m_nodes[JointType_HandLeft]      = KNode("HandLeft", JointType_WristLeft);
    m_nodes[JointType_ThumbLeft]     = KNode("ThumbLeft", JointType_HandLeft);
    m_nodes[JointType_HandTipLeft]   = KNode("HandTipLeft", JointType_HandLeft);
    // right side
    m_nodes[JointType_HipRight]      = KNode("HipRight", JointType_SpineBase);
    m_nodes[JointType_KneeRight]     = KNode("KneeRight", JointType_HipRight);
    m_nodes[JointType_AnkleRight]    = KNode("AnkleRight", JointType_KneeRight);
    m_nodes[JointType_FootRight]     = KNode("FootRight", JointType_AnkleRight);
    m_nodes[JointType_ShoulderRight] = KNode("ShoulderRight", JointType_SpineShoulder);
    m_nodes[JointType_ElbowRight]    = KNode("ElbowRight", JointType_ShoulderRight);
    m_nodes[JointType_WristRight]    = KNode("WristRight", JointType_ElbowRight);
    m_nodes[JointType_HandRight]     = KNode("HandRight", JointType_WristRight);
    m_nodes[JointType_ThumbRight]    = KNode("ThumbRight", JointType_HandRight);
    m_nodes[JointType_HandTipRight]  = KNode("HandTipRight", JointType_HandRight);