WTriangle 45 samples/cpp/tutorial_code/viz/creating_widgets.cpp WTriangle(const Point3f &pt1, const Point3f &pt2, const Point3f &pt3, const viz::Color & color = viz::Color::white()); WTriangle 52 samples/cpp/tutorial_code/viz/creating_widgets.cpp WTriangle::WTriangle(const Point3f &pt1, const Point3f &pt2, const Point3f &pt3, const viz::Color & color) WTriangle 104 samples/cpp/tutorial_code/viz/creating_widgets.cpp WTriangle tw(Point3f(0.0,0.0,0.0), Point3f(1.0,1.0,1.0), Point3f(0.0,1.0,0.0), viz::Color::red());