/*	$Id: utilvelo.h,v 1.2 2000/12/29 22:10:37 pwessel Exp $	*/
void get_trans (double slon,double slat,double *t11,double *t12,double *t21,double *t22);
void transform_local (double x0,double y0,double dxp,double dyp,double scale,double t11,double t12,double t21,double t22,double *x1,double *y1);
void trace_arrow (double slon,double slat,double dxp,double dyp,double scale,double *x1,double *y1,double *x2,double *y2);
void ellipse_convert (double sigx,double sigy,double rho,double conrad,double *eigen1,double *eigen2,double *ang) ;
void paint_ellipse (double x0, double y0, double angle, double major, double minor, double scale, double t11,double t12,double t21,double t22, int polygon, int rgb[3], BOOLEAN outline);