Point OutlineFaces::LinePoint(int line, int point) const
  {
    int sz = counts.size();
    int sz2 = counts2.size();
    if (line<0 ||line>=sz) return Point(0.0,0.0,0.0);
    if (line<0 ||line>=sz2) return Point(0.0,0.0,0.0);
    int count = 0;
    int i=0;
    int ss = c.NumPoints(i);
    i = counts[line];
    count = counts2[line] + ss;
    int p = count - line + point;
    int pp = p % ss;
    return c.FacePoint(i, pp);

  }