int main ( void )
Definition at line 14 of file example-chartxy.cxx.
 {
   size_t nspin=vtkfig::NSpin();
   auto frame=vtkfig::Frame::New();
   frame->SetLayout(0,0);
 
 
   const int NN = 100;
   const double t_low = 0;
   const double t_upp = 5;
   const double dt = (t_upp-t_low)/(NN-1);
   
   
   std::vector<double> x1(NN);
   std::vector<double> y1(NN);
   std::vector<double> x2(NN);
   std::vector<double> y2(NN);
   
   
   
   
   std::string title;
   
   double tt=0;
   size_t ii=0;
 
   double t0=(double)clock()/(double)CLOCKS_PER_SEC;
   double i0=ii;
   auto chartxy=vtkfig::ChartXY::New();
 
   frame->AddFigure(chartxy);
 
   while (ii<nspin)
   {
     double t = tt;
     
     
     for (int i=0; i<NN; i++)
     {
       x1[i] = cos(t)*t;
       y1[i] = sin(t);
       x2[i] = sin(t)*t+1;
       y2[i] = cos(t)*(0.1-t);
       t+=dt;
     }
     
     char titlebuf[20];
   
     snprintf(titlebuf,20,"frame %lu",ii++);
     chartxy->Clear();
     chartxy->Title(titlebuf);
     chartxy->LineColorRGB(0,0,1);
     chartxy->LineType("-");
     chartxy->AddPlot(x1, y1);
     chartxy->LineColorRGB(1,0,0);
     chartxy->LineType(".-");
     chartxy->AddPlot(x2, y2);
 
 
 //    frame->Interact();
     frame->Show();
     
     if (ii==3) 
         frame->WritePNG("example-chartxy.png");
 
     double t1=(double)clock()/(double)CLOCKS_PER_SEC;
     double i1=ii;
     if (t1-t0>4.0)
     {
       printf("Frame rate: %.2f fps\n",(double)(i1-i0)/4.0);
       fflush(stdout);
       t0=(double)clock()/(double)CLOCKS_PER_SEC;
       i0=ii;
     }
     tt+=0.1;
   }
 
 }
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