2.6.10 Dens sample

Function dens draw density plot for surface. The sample code is:

int sample(mglGraph *gr)
{
  mglData a,a1(30,40,3);  mgls_prepare2d(&a);
  gr->Fill(a1,"0.6*sin(2*pi*x+pi*(z+1)/2)*sin(3*pi*y+pi*z) + 0.4*cos(3*pi*(x*y)+pi*(z+1)^2/2)");
  gr->SubPlot(2,2,0,""); gr->Title("Dens plot (default)");
  gr->Box();  gr->Dens(a);

  gr->SubPlot(2,2,1); gr->Title("3d variant");
  gr->Rotate(50,60);  gr->Box();  gr->Dens(a);

  gr->SubPlot(2,2,2,"");  gr->Title("'\\#' style; meshnum 10");
  gr->Box();  gr->Dens(a,"#","meshnum 10");

  gr->SubPlot(2,2,3); gr->Title("several slices");
  gr->Rotate(50,60);    gr->Box();  gr->Dens(a1);
  return 0;
}

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