Curve3
template<class VertexSource, class Curve3, class Curve4>
void conv_curve<VertexSource, Curve3, Curve4>::rewind(unsigned path_id)
template<class VertexSource, class Curve3, class Curve4>
unsigned conv_curve<VertexSource, Curve3, Curve4>::vertex(double* x, double* y)
class Curve3=curve3,
typedef Curve3 curve3_type;