double *m_x, *m_y; // ptr to array of points in obj world coord
int m_nPoints; // number of points in outline arrays
double m_xmin, m_xmax, m_ymin, m_ymax; // pelem limits
double *m_x, *m_y; // ptr to array of points in obj world coord
int m_nPoints; // number of points in outline arrays
double m_xmin, m_xmax, m_ymin, m_ymax; // pelem limits