static void Main(string[] args)
{
//GnuPlot.Plot("sin(x) + 2", "lc rgb \"magenta\" lw 5");
//Thread.Sleep(2000);
//GnuPlot.HoldOn();
//GnuPlot.Plot("cos(x) + x");
//GnuPlot.Plot("cos(2*x)", "with points pt 3");
//Thread.Sleep(2000);
//GnuPlot.HoldOff();
//GnuPlot.Plot("atan(x)");
//Thread.Sleep(2000);
//double[] X = new double[] { -10, -8.5, -2, 1, 6, 9, 10, 14, 15, 19 };
//double[] Y = new double[] { -4, 6.5, -2, 3, -8, -5, 11, 4, -5, 10 };
//GnuPlot.Plot(X, Y);
//Thread.Sleep(2000);
//string tempfolder=System.IO.Path.GetTempPath();
//GnuPlot.SaveData(X, Y, tempfolder+ "plot1.data");
//GnuPlot.Plot(tempfolder+ "plot1.data", "with linespoints pt " + (int)PointStyles.SolidDiamond);
//Thread.Sleep(2000);
//GnuPlot.HoldOn();
//GnuPlot.Set("xrange [-25:40]");
//GnuPlot.Set("yrange [-15:15]");
//var r = new Random();
//for (int i = 0; i < 14; i++)
//{
// var Xr = new double[10];
// var Yr = new double[10];
// double rx=r.Next(-20,20);
// double ry = r.Next(-10, 10);
// for (int di = 0; di < 10; di++)
// {
// Xr[di] = rx+r.Next(-5, 5);
// Yr[di] = ry+r.Next(-3, 3);
// }
// GnuPlot.Plot(Xr, Yr, "title 'point style "+i+"' pt " + i);
// Thread.Sleep(200);
//}
//GnuPlot.HoldOff();
//Thread.Sleep(3000);
////splot demos
//double[] z = new double[31 * 31];
//for (int x = 0; x < 31; x++)
// for (int y = 0; y < 31; y++)
// z[31 * x + y] = (x - 15) * (x - 15) + (y - 15) * (y - 15);
//GnuPlot.Set("pm3d");
//GnuPlot.Set("autoscale");
//GnuPlot.Set("contour base");
//GnuPlot.SPlot(31,z);
//Thread.Sleep(2000);
//GnuPlot.HoldOn();
//GnuPlot.Set("view map");
//GnuPlot.Unset("surface");
//GnuPlot.Set("cntrparam levels 10");
//GnuPlot.Set("palette gray");
//GnuPlot.SPlot(31, z);
//Thread.Sleep(2000);
//Console.WriteLine("End of demo");
//GnuPlot.Plot("sin(x) + 2");
//GnuPlot.Plot("sin(x) + 2", "lc rgb \"magenta\" lw 5");
//double[] Y = new double[] { -4, 6.5, -2, 3, -8, -5, 11, 4, -5, 10 };
//GnuPlot.Plot(Y);
//double[] X = new double[] { -10, -8.5, -2, 1, 6, 9, 10, 14, 15, 19 };
//double[] Y = new double[] { -4, 6.5, -2, 3, -8, -5, 11, 4, -5, 10 };
//GnuPlot.Plot(X, Y);
//GnuPlot.HoldOn();
//GnuPlot.Plot("cos(x) + x");
//GnuPlot.Plot("cos(2*x)", "with points pt 3");
//GnuPlot.SPlot("1 / (.05*x*x + .05*y*y + 1)");
//GnuPlot.Set("isosamples 30");
//GnuPlot.SPlot("1 / (.05*x*x + .05*y*y + 1)");
//GnuPlot.Set("isosamples 30", "hidden3d");
//GnuPlot.SPlot("1 / (.05*x*x + .05*y*y + 1)");
//GnuPlot.SPlot("splotexampledata.txt");
//double[] Z = new double[] { -4, -2.5, 1, 3, -3, -2, 3, 4, -1, 2, 6, 8 };
//GnuPlot.Set("pm3d");
//GnuPlot.SPlot(4, Z);
//double[,] Z = new double[,] { {-4,-2.5,1,3}, {-3,-2,3,4}, {-1,2,6,8 } };
//GnuPlot.Set("pm3d","palette gray");
//GnuPlot.SPlot(Z,"with points pointtype 6");
//double[] X = new double[100];
//double[] Y = new double[100];
//double[] Z = new double[100];
//Random r=new Random();
//for (int i = 0; i < 100; i++)
//{
// X[i] = r.Next(30) - 15;
// Y[i] = r.Next(50) - 25;
// Z[i] = r.Next(20) - 10;
//}
//GnuPlot.Set("xrange[-30:30]", "yrange[-30:30]", "zrange[-30:30]");
//GnuPlot.SPlot(X, Y, Z, "with points pointtype 8 lc rgb \"blue\"");
//double[] X = new double[20];
//double[] Y = new double[20];
//double[] Z = new double[20];
//Random r = new Random();
//for (int i = 0; i < 20; i++)
//{
// X[i] = r.Next(30) - 15;
// Y[i] = r.Next(50) - 25;
// Z[i] = r.Next(40) - 20;
//}
//GnuPlot.Set("dgrid3d 40,40,2");
//GnuPlot.Set("xrange[-30:30]", "yrange[-30:30]", "zrange[-30:30]");
//GnuPlot.SPlot(X, Y, Z,"with pm3d");
//GnuPlot.Unset("key");
//GnuPlot.Set("cntrparam levels 20","isosamples 50", "xr[-5:5]","yr[-6:6]");
//GnuPlot.Contour("sin(x) * cos(y)+x","lc rgb 'blue'");
double[,] Z = new double[, ] {
{ 0, 0, 0, 1, 2, 2, 1, 0, 0, 0 },
{ 0, 0, 2, 3, 3, 3, 3, 2, 0, 0 },
{ 0, 2, 3, 4, 4, 4, 4, 3, 2, 0 },
{ 2, 3, 4, 5, 5, 5, 5, 4, 3, 2 },
{ 3, 4, 5, 6, 7, 7, 6, 5, 4, 3 },
{ 3, 4, 5, 6, 7, 7, 6, 5, 4, 3 },
{ 2, 3, 4, 5, 5, 5, 5, 4, 3, 2 },
{ 0, 2, 3, 4, 4, 4, 4, 3, 2, 0 },
{ 0, 0, 2, 3, 3, 3, 3, 2, 0, 0 },
{ 0, 0, 0, 1, 2, 2, 1, 0, 0, 0 }
};
GnuPlot.HeatMap(Z);
Console.ReadKey();
}