Example 143: Scientific Graph showing Subsets Different Points 2

1//! Showing use of Jagged Data, subsets with different amounts of Data,
2//! combined with passing data via CopyFromJagged pointing to blocks of memory
3 
4CreateSimpleSGraph(Pesgo1);
5 
6Pesgo1.PeConfigure.RenderEngine = RenderEngine.Direct2D;
7Pesgo1.PeData.JaggedData = true;  // For now Direct3D does not support JaggedData, only use with Direct2D.
8 
9// Change Data //
10Pesgo1.PeData.Subsets = 4;
11Pesgo1.PeData.Points = 1;  // When JaggedData = True, when chart calls PeFunction.Reinitialize(), Points property will automatically set to the maximum of any subset
12 
13float[] MyXData = new float[12000];  // demo Temp Blocks Of Memory
14float[] MyYData = new float[12000];
15 
16// If a subset will have very few points, consider plotting this data as a GraphAnnotation (demo example 015)
17 
18int s = 0;
19int nOffset = (int)(Rand_Num.NextDouble() * 250);
20for (int p = 0; p <= 11999; p++)
21{
22    MyXData[p] = (p + 1) * .10F;
23    MyYData[p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
24}
25// Pass subset 0, 12 points //
26Pesgo1.PeData.X.CopyFromJagged(MyXData, 0); // nElements default = 0 denotes use the length of source as size
27Pesgo1.PeData.Y.CopyFromJagged(MyYData, 0);
28 
29s = 1;
30nOffset = (int)(Rand_Num.NextDouble() * 250);
31for (int p = 0; p <= 1199; p++)
32{
33    MyXData[p] = (p + 1) * 1.0F;
34    MyYData[p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
35}
36// Pass subset 1, 1200 points //
37Pesgo1.PeData.X.CopyFromJagged(MyXData, 1, 1200);  // nElements = 1200, which is fewer than size of array, so 1200 needed to control size of data
38Pesgo1.PeData.Y.CopyFromJagged(MyYData, 1, 1200);
39 
40s = 2;
41nOffset = (int)(Rand_Num.NextDouble() * 250);
42for (int p = 0; p <= 119; p++)
43{
44    MyXData[p] = (p + 1) * 10.0F;
45    MyYData[p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
46}
47// Pass subset 3, 120 points //
48Pesgo1.PeData.X.CopyFromJagged(MyXData, 2, 120);
49Pesgo1.PeData.Y.CopyFromJagged(MyYData, 2, 120);
50 
51s = 3;
52nOffset = (int)(Rand_Num.NextDouble() * 250);
53for (int p = 0; p <= 11999; p++)
54{
55    MyXData[p] = (p + 1) * 0.1F;
56    MyYData[p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
57}
58// Pass subset 4, 12000 points //
59Pesgo1.PeData.X.CopyFromJagged(MyXData, 3);  // defaults to size of array
60Pesgo1.PeData.Y.CopyFromJagged(MyYData, 3);
61 
62Pesgo1.PeString.SubsetLabels[0] = "12000 Points";
63Pesgo1.PeString.SubsetLabels[1] = "1200 Points";
64Pesgo1.PeString.SubsetLabels[2] = "120 Points";
65Pesgo1.PeString.SubsetLabels[3] = "12000 Points";
66 
67Pesgo1.PePlot.Bitmaps.WorkingBitmap = 0;
68Pesgo1.PePlot.Bitmaps.Filename = "symbolBlueDot.png";  // Define a blue dot symbol bitmap resource
69Pesgo1.PePlot.Bitmaps.Style = ResourceBitmapStyle.SmallCentered;   // bitmap symbols plot faster though vector output is not poosible
70Pesgo1.PePlot.SubsetPointTypes[3] = (PointType)10001;  // 4th subset, set to WorkingBitmap 0, 10001 + Working Bitmap Index
71Pesgo1.PePlot.Bitmaps.WorkingBitmap = 1;
72Pesgo1.PePlot.Bitmaps.Filename = "symbolRedDot.png";  // Define a blue dot symbol bitmap resource
73Pesgo1.PePlot.Bitmaps.Style = ResourceBitmapStyle.SmallCentered;   // bitmap symbols plot faster though vector output is not poosible
74Pesgo1.PePlot.SubsetPointTypes[0] = (PointType)10001 + 1;  // 1st subset, set to WorkingBitmap 1, 10001 + Working Bitmap Index
75 
76Pesgo1.PeUserInterface.Dialog.AllowWmfExport = false;
77Pesgo1.PeUserInterface.Dialog.AllowEmfExport = false;
78 
79Pesgo1.PeUserInterface.Dialog.Style = false;
80Pesgo1.PePlot.DataShadows = DataShadows.None;
81 
82// Generally call ReinitializeResetImage at end **'
83Pesgo1.PeConfigure.RenderEngine = RenderEngine.Direct2D;
84Pesgo1.PeFunction.ReinitializeResetImage();
85Pesgo1.Invalidate();
86// Optionally call Pesgo1.Refresh() if you are not seeing changes immediately