Example 142: Scientific Graph showing Subsets Different Points

1//! Showing use of Jagged Data, subsets with different amounts of Data.
2 
3// Spoon Fed, See example 143 for Block passed, See example 144 for Block pointer passed //
4 
5CreateSimpleSGraph(Pesgo1);
6 
7Pesgo1.PeConfigure.RenderEngine = RenderEngine.Direct2D;
8Pesgo1.PeData.JaggedData = true;  // For now Direct3D does not support JaggedData, only use with Direct2D.
9 
10// Change Data //
11Pesgo1.PeData.Subsets = 4;
12Pesgo1.PeData.Points = 1;  // When JaggedData = True, when chart calls PeFunction.Reinitialize(), Points property will automatically set to the maximum of any subset
13 
14Pesgo1.PeString.SubsetLabels[0] = "12000 Points";
15Pesgo1.PeString.SubsetLabels[1] = "1200 Points";
16Pesgo1.PeString.SubsetLabels[2] = "120 Points";
17Pesgo1.PeString.SubsetLabels[3] = "12 Points";
18 
19Pesgo1.PePlot.Bitmaps.WorkingBitmap = 0;
20Pesgo1.PePlot.Bitmaps.Filename = "symbolBlueDot.png";  // Define a blue dot symbol bitmap resource
21Pesgo1.PePlot.Bitmaps.Style = ResourceBitmapStyle.SmallCentered; // bitmap symbols plot faster though vector output is not poosible
22Pesgo1.PePlot.SubsetPointTypes[0] = (PointType)10001;  // set to WorkingBitmap 0, 10001 + Working Bitmap Index
23 
24Pesgo1.PeUserInterface.Dialog.AllowWmfExport = false;
25Pesgo1.PeUserInterface.Dialog.AllowEmfExport = false;
26Pesgo1.PeUserInterface.Dialog.Style = false;
27 
28Pesgo1.PePlot.DataShadows = DataShadows.None;
29 
30// One method of pre-allocating memory (to bypass overhead of testing range and avoid reallocations while spoon feeding)
31// Set the last data point first, address the last expected PointIndex for each SubsetIndex
32 
33Pesgo1.PeData.X[0, 11999] = 0;
34Pesgo1.PeData.Y[0, 11999] = 0;
35 
36Pesgo1.PeData.X[1, 1199] = 0;
37Pesgo1.PeData.Y[1, 1199] = 0;
38 
39Pesgo1.PeData.X[2, 119] = 0;
40Pesgo1.PeData.Y[2, 119] = 0;
41 
42Pesgo1.PeData.X[3, 11] = 0;
43Pesgo1.PeData.Y[3, 11] = 0;
44 
45// Second method of pre-allocating memory
46// New Functions SetJaggedPointsX SetJaggedPointsY
47 
48Pesgo1.PeData.SetJaggedPointsX(0, 12000);
49Pesgo1.PeData.SetJaggedPointsY(0, 12000);
50 
51Pesgo1.PeData.SetJaggedPointsX(1, 1200);
52Pesgo1.PeData.SetJaggedPointsY(1, 1200);
53 
54Pesgo1.PeData.SetJaggedPointsX(2, 120);
55Pesgo1.PeData.SetJaggedPointsY(2, 120);
56 
57Pesgo1.PeData.SetJaggedPointsX(3, 12);
58Pesgo1.PeData.SetJaggedPointsY(3, 12);
59 
60// Above code has pre-allocated memory for both X and Y Data, note this is not required when using PeData.X Y[s,p]
61// but can help for large data sets, but large data are best set with PEvsetEx via a block of memory as in example 143.
62 
63// If a subset will have very few points, consider plotting this data as a GraphAnnotation (demo example 015)
64 
65int nSize = Pesgo1.PeData.GetJaggedPointsY(0);
66 
67// Spoon Feeding data
68 
69int s = 0;
70int nOffset = (int)(Rand_Num.NextDouble() * 250);
71for (int p = 0; p < 12000; p++)
72{
73    Pesgo1.PeData.X[s, p] = (float)((p + 1) * 0.1F);
74    Pesgo1.PeData.Y[s, p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
75}
76 
77s = 1;
78nOffset = (int)(Rand_Num.NextDouble() * 250);
79for (int p = 0; p < 1200; p++)
80{
81    Pesgo1.PeData.X[s, p] = (float)((p + 1) * 1.0F);
82    Pesgo1.PeData.Y[s, p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
83}
84 
85s = 2;
86nOffset = (int)(Rand_Num.NextDouble() * 250);
87for (int p = 0; p < 120; p++)
88{
89    Pesgo1.PeData.X[s, p] = (float)((p + 1) * 10.0F);
90    Pesgo1.PeData.Y[s, p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
91}
92 
93s = 3;
94nOffset = (int)(Rand_Num.NextDouble() * 250);
95for (int p = 0; p < 12; p++)
96{
97    Pesgo1.PeData.X[s, p] = (float)((p + 1) * 100.0F);
98    Pesgo1.PeData.Y[s, p] = (float)((p + 1) * 1 + (Rand_Num.NextDouble() * 250)) + (float)(Math.Sin(((double)(nOffset + p)) * .03F) * 700.0F) - ((s * 140.0F));
99}
100 
101// Generally call ReinitializeResetImage at end **'
102Pesgo1.PeConfigure.RenderEngine = RenderEngine.Direct2D;
103Pesgo1.PeFunction.ReinitializeResetImage();
104Pesgo1.Invalidate();
105// Optionally call Pesgo1.Refresh() if you are not seeing changes immediately