Lines Matching refs:tang1
345 Geom::Point tang1 = -unitTangentAt(reverse(B[prev_i]),0.); // = unitTangentAt(B[prev_i],1);
348 bool on_outside = ( dot(tang1, discontinuity_vec) >= 0. );
362 boost::optional<Geom::Point> O = intersection_point( B[prev_i].at1(), tang1,
396 Geom::D2<Geom::SBasis> newcurve1 = B[prev_i] * Geom::reflection(rot90(tang1), B[prev_i].at1());
408 Geom::Point point_on_path = B[prev_i].at1() - rot90(tang1) * width;
459 boost::optional<Geom::Point> p = intersection_point( B[prev_i].at1(), tang1,
463 Geom::Point point_on_path = B[prev_i].at1() - rot90(tang1) * width;
483 boost::optional<Geom::Point> p = intersection_point( B[prev_i].at1(), tang1,
487 Geom::Point point_on_path = B[prev_i].at1() - rot90(tang1) * width;
499 double tang1_sign = dot(direction,tang1);
503 controlpoints[0].x = (B[prev_i].at1() - tang1_sign*tang1)[Geom::X];
504 controlpoints[0].y = (B[prev_i].at1() - tang1_sign*tang1)[Geom::Y];