int main ( void )
Definition at line 38 of file example-context2d.cxx.
 {
 
   cout <<
 R"(
 Example showing creation of custom scenes using 
 vtkfigFrame and vtkfigFigure base class.
 )";
 
   size_t nspin=vtkfig::NSpin();
 
   cout.sync_with_stdio(true);
   
 
   auto frame=vtkfig::Frame::New();
   auto figure=vtkfig::Figure::New();
   figure->SetViewVolume(0,1,0,1,0,1);
   
   auto cactor=vtkContextActor::New();
   auto drawing=MyDrawing::New();
   cactor->GetScene()->AddItem(drawing);
   figure->RTAddContextActor(cactor);
   frame->AddFigure(figure);
 
 
   auto t0=std::chrono::system_clock::now();
 
   
   
   int ii=0;
   int i0=0;
   while (ii <nspin)
   {
     auto t1=std::chrono::system_clock::now();
     double dt=std::chrono::duration_cast<std::chrono::duration<double>>(t1-t0).count();
     int i1=ii;
     drawing->delta+=0.5;
     frame->Show();
     if (dt>4.0)
     {
       printf("Frame rate: %.2f fps\n",(double)(i1-i0)/4.0);
       t0=std::chrono::system_clock::now();
       i0=ii;
       fflush(stdout);
     }
     ii++;
   }
 
 }
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