Lines Matching refs:unitTangentAt
99 * Because this method internally uses unitTangentAt, t should be smaller than 1.0 (see unitTangentAt).
120 Geom::Point normal = unitTangentAt(curve, t).cw();
345 Geom::Point tang1 = -unitTangentAt(reverse(B[prev_i]),0.); // = unitTangentAt(B[prev_i],1);
346 Geom::Point tang2 = unitTangentAt(B[i],0);
656 Geom::Point end_deriv = -unitTangentAt( reverse(pwd2_in.segs.back()), 0.);
665 Geom::Point end_deriv = -unitTangentAt( reverse(pwd2_in.segs.back()), 0.);
694 Geom::Point start_deriv = unitTangentAt( pwd2_in.segs.front(), 0.);
703 Geom::Point start_deriv = unitTangentAt( pwd2_in.segs.front(), 0.);