The legend is enabled by setting its paint attribute to true. The tick marks in the legend are formatted using the percentage NumberFormat
object. A title is also set in the legend.
using Imsl.Chart2D; using System; using System.Windows.Forms; public class HeatmapEx3 : FrameChart { public HeatmapEx3() { Chart chart = this.Chart; AxisXY axis = new AxisXY(chart); double xmin = 0.0; double xmax = 10.0; double ymin = 0.0; double ymax = 1.0; int nx = 5; int ny = 10; double[,] data = new double[nx,ny]; System.String[,] labels = new System.String[nx,ny]; System.Random random = new System.Random((System.Int32) 123457L); double[] dbl = new double[50]; dbl[0]=0.41312962995625035; dbl[1]=0.15995876895053263; dbl[2]=0.8225528716547005; dbl[3]=0.48794367683379836; dbl[4]=0.44364905186692527; dbl[5]=0.20896329070872555; dbl[6]=0.9887088342522812; dbl[7]=0.4781765623804778; dbl[8]=0.9647868112234352; dbl[9]=0.6732389937186418; dbl[10]=0.5668831243079411; dbl[11]=0.33081942994459734; dbl[12]=0.27386697614898103; dbl[13]=0.10880787186704965; dbl[14]=0.8805853693809824; dbl[15]=0.901138442534768; dbl[16]=0.7180829622748057; dbl[17]=0.48723656383264413; dbl[18]=0.6153607537410654; dbl[19]=0.10153552805288812; dbl[20]=0.3158193853638753; dbl[21]=0.9558058275075961; dbl[22]=0.10778543304578747; dbl[23]=0.011829287599608884; dbl[24]=0.09275375134615693; dbl[25]=0.4859902873228249; dbl[26]=0.9817642781628322; dbl[27]=0.5505301300240635; dbl[28]=0.467363186309925; dbl[29]=0.18652444274911184; dbl[30]=0.9066980293517674; dbl[31]=0.9272326533193322; dbl[32]=0.31440695305815347; dbl[33]=0.4215880116306273; dbl[34]=0.9991560762956562; dbl[35]=0.0386317648903991; dbl[36]=0.785150345014761; dbl[37]=0.6451521871931544; dbl[38]=0.7930129038729785; dbl[39]=0.819301055474355; dbl[40]=0.5695413465811706; dbl[41]=0.039285689951912395; dbl[42]=0.7625752595574732; dbl[43]=0.31325564481720314; dbl[44]=0.0482465474704169; dbl[45]=0.6272275622766595; dbl[46]=0.09904819350827354; dbl[47]=0.8934533907186641; dbl[48]=0.7013979421419555; dbl[49]=0.5212913217641422; int z=0; for (int i = 0; i < nx; i++) { for (int j = 0; j < ny; j++) { data[i,j] = dbl[z];//random.NextDouble(); z++; labels[i,j] = "ABCDE"[i] + System.Convert.ToString(j) + "\n" + data[i,j].ToString("P0"); } } Heatmap heatmap = new Heatmap(axis, xmin, xmax, ymin, ymax, 0.0, 1.0, data, Imsl.Chart2D.Colormap_Fields.BLUE); heatmap.SetHeatmapLabels(labels); heatmap.TextColor = System.Drawing.Color.FromName("orange"); heatmap.HeatmapLegend.IsVisible = true; heatmap.HeatmapLegend.TextFormat = "P0"; heatmap.HeatmapLegend.SetTitle("Percentage"); } public static void Main(string[] argv) { System.Windows.Forms.Application.Run(new HeatmapEx3()); } }