xpturb = (int)((double)m_JitterVal * xj);
xpturb = (int)((double)m_JitterVal * (xj / 2.0));
    int pturbX(double xvalP, double xj) {      int xpturb = 0;      if (m_JitterVal > 0) {	xpturb = (int)((double)m_JitterVal * xj);	if (((xvalP + xpturb) < m_XaxisStart) || 	    ((xvalP + xpturb) > m_XaxisEnd)) {	  xpturb *= -1;	}      }      return xpturb;    }