int main ( void )
Definition at line 26 of file example-simplexcontour2d.cxx.
 {
   size_t nspin=vtkfig::NSpin();
 
   std::vector<double> inpoints;
   for(double x = -2; x < 2; x+=0.03)
   {
     for(double y = -2; y < 2; y+=0.03)
     {
       inpoints.push_back(x + vtkMath::Random(-.1, .1));
       inpoints.push_back(y + vtkMath::Random(-.1, .1));
     }
   }
   
 
 
 
   std::vector<double>points;
   std::vector<int>cells;
   
   vtkfig::Delaunay2D(inpoints,points,cells);
 
 
   int npoints=points.size()/2;
   std::vector<double>values(npoints);
 
 
   auto colors=vtkfig::RGBTable
     { 
       {0.0, 0.0, 0.0, 1.0},
       {0.5, 0.0, 1.0, 0.0},
       {1.0, 1.0, 0.0, 0.0}
     };
 
   double t=0;
   double dt=0.1;
   size_t ii=0;
   auto t0=std::chrono::system_clock::now();
   double i0=ii;
 
   for(auto &x: points) x*=scalefac;
   auto griddata=vtkfig::DataSet::New();
   griddata->SetSimplexGrid(2,points,cells);
 
   auto frame=vtkfig::Frame::New();
   auto contour=vtkfig::ScalarView::New();
   contour->SetData(griddata,"v");
   contour->SetSurfaceRGBTable(colors,255);
   contour->SetValueRange(-1,1);
   auto isolines=std::vector<double>{-0.5,0,0.5};
   contour->SetIsoLevels(isolines);
   frame->AddFigure(contour);
 
 
 
   while (ii<nspin)
   {
     for (size_t ipoint=0, ival=0;ipoint<points.size(); ipoint+=2,ival++)
       values[ival]=G(points[ipoint+0],points[ipoint+1],t);
 
     griddata->SetPointScalar(values,"v");
 
     frame->Show();
      if (ii==3) 
       frame->WritePNG("example-simplexcontour2d.png");
    
     t+=dt;
     auto t1=std::chrono::system_clock::now();
     double xdt=std::chrono::duration_cast<std::chrono::duration<double>>(t1-t0).count();
     double i1=ii;
     if (xdt>4.0)
     {
       printf("Frame rate: %.2f fps\n",(double)(i1-i0)/4.0);
       t0=std::chrono::system_clock::now();
       i0=ii;
     }
     ii++;
 
   }
 }
Here is the call graph for this function: