const Color color1((*color1_)(t).get(Color()));
const Color color2((*color2_)(t).get(Color()));
const float width(max(0.0,min(1.0,(*width_)(t).get(Real()))));
const Color color1((*color1_)(t).get(Color()));
const Color color2((*color2_)(t).get(Color()));
const float width(max(0.0,min(1.0,(*width_)(t).get(Real()))));