The class Qt_widget_Nef_S2 uses the OpenGL interface of Qt in order to display a Nef_polyhedron_S2. Its purpose is to provide an easy to use viewer for Nef_polyhedron_S2. There are no means provided to enhance the functionality of the viewer.
In addition to the functions inherited from the Qt class QGLWidget, Qt_widget_Nef_S2 only has a single public constructor. For the usage of Qt_widget_Nef_S2 see the example below.
#include <CGAL/IO/Qt_widget_Nef_S2.h>
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Creates a widget W for displaying the Nef_polyhedron_S2 N.
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CGAL::Nef_polyhedron_S2<Traits>
// examples/Nef_S2/visualization.C #ifndef CGAL_USE_QT #include <iostream> int main(int, char*){ std::cout << "Sorry, this demo needs QT..." << std::endl; return 0;} #else #include <CGAL/Gmpz.h> #include <CGAL/Homogeneous.h> #include <CGAL/Nef_polyhedron_S2.h> #include <CGAL/Nef_S2/create_random_Nef_S2.h> #include <CGAL/IO/Qt_widget_Nef_S2.h> #include <qapplication.h> typedef CGAL::Gmpz RT; typedef CGAL::Homogeneous<RT> Kernel; typedef CGAL::Nef_polyhedron_S2<Kernel> Nef_polyhedron_S2; int main(int argc, char* argv[]) { Nef_polyhedron_S2 S; create_random_Nef_S2(S,5); QApplication a(argc, argv); CGAL::Qt_widget_Nef_S2<Nef_polyhedron_S2>* w = new CGAL::Qt_widget_Nef_S2<Nef_polyhedron_S2>(S); a.setMainWidget(w); w->show(); return a.exec(); } #endif