Example 414: 3D Delaunay Heightmap from Point Cloud

1// Set PlottingMethod //
2Pe3do1.PePlot.Option.Delaunay3D = true;
3Pe3do1.PePlot.Method = ThreeDGraphPlottingMethod.Four; // Surface With Contour
4 
5// Pass Data //
6Pe3do1.PeData.Subsets = 1;
7Pe3do1.PeData.Points = 70;      // Delaunay Triangulation works with a single array of points
8 
9int nPointCount = 0;
10 
11string[] fileArray = { "", "" };
12try
13{
14    fileArray = File.ReadAllLines("DelaunaySample.txt");
15}
16catch
17{
18    System.Windows.Forms.MessageBox.Show("Demo File Not Found?", "Error", System.Windows.Forms.MessageBoxButtons.OK);
19    System.Windows.Forms.Application.Exit();
20}
21 
22for (int i = 0; i < fileArray.Length; i++)
23{
24    String line = fileArray[i];
25    if (line.Length < 3) { continue; }
26    var columns = line.Split(' ');
27    String valueX = columns[0];
28    String valueZ = columns[1];
29    String valueY = columns[2];
30 
31    float fX = float.Parse(valueX, CultureInfo.InvariantCulture.NumberFormat);
32    float fY = float.Parse(valueY, CultureInfo.InvariantCulture.NumberFormat);  // note we swap y and z compared to example 147
33    float fZ = float.Parse(valueZ, CultureInfo.InvariantCulture.NumberFormat);
34 
35    Pe3do1.PeData.X[0, nPointCount] = fX;
36    Pe3do1.PeData.Y[0, nPointCount] = fY;
37    Pe3do1.PeData.Z[0, nPointCount] = fZ;
38 
39    Pe3do1.PeAnnotation.Graph.X[nPointCount] = fX;
40    Pe3do1.PeAnnotation.Graph.Y[nPointCount] = fY;
41    Pe3do1.PeAnnotation.Graph.Z[nPointCount] = fZ;
42    Pe3do1.PeAnnotation.Graph.Type[nPointCount] = (int)GraphAnnotationType.SmallDotSolid;
43    Pe3do1.PeAnnotation.Graph.Color[nPointCount] = Color.FromArgb(255, 0, 0, 0);
44    Pe3do1.PeAnnotation.Graph.Text[nPointCount] = String.Format("{0:##0.0}", fY);
45 
46    nPointCount++;
47}
48 
49Pe3do1.PeData.NullDataValueX = -9999;
50Pe3do1.PeData.NullDataValue = -9999;
51Pe3do1.PeData.NullDataValueZ = -9999;
52 
53Pe3do1.PeGrid.Configure.AutoPadBeyondZeroX = true;
54Pe3do1.PeConfigure.ImageAdjustLeft = 100;
55 
56Pe3do1.PeString.MainTitle = "Hand Held Sound Meter Readings [dBA]";
57Pe3do1.PeString.SubTitle = "CVHF 1300.31 Impeller Diameter: LTO 40214, DGI=6";
58Pe3do1.PeString.MultiSubTitles[0] = "|Contour of DRS Attribute = [1339]|";
59Pe3do1.PeFont.MainTitle.Font = "Arial";
60Pe3do1.PeFont.SubTitle.Font = "Arial";
61Pe3do1.PeString.YAxisLabel = "PC";
62Pe3do1.PeString.XAxisLabel = "Q/N";
63 
64// to match target image you want to replicate  //
65Pe3do1.PePlot.Option.ManualContourScaleControl = ManualScaleControl.MinMax;
66Pe3do1.PePlot.Option.ManualContourMin = 80.0F;
67Pe3do1.PePlot.Option.ManualContourMax = 102.0F;
68 
69Pe3do1.PeColor.ContourColors.Clear(6);
70Pe3do1.PeColor.ContourColors[0] = Color.FromArgb(255, 0, 0, 255);
71Pe3do1.PeColor.ContourColors[1] = Color.FromArgb(255, 17, 211, 214);
72Pe3do1.PeColor.ContourColors[2] = Color.FromArgb(255, 0, 255, 0);
73Pe3do1.PeColor.ContourColors[3] = Color.FromArgb(255, 255, 255, 0);
74Pe3do1.PeColor.ContourColors[4] = Color.FromArgb(255, 245, 181, 5);
75Pe3do1.PeColor.ContourColors[5] = Color.FromArgb(255, 255, 0, 0);
76 
77Pe3do1.PeColor.ContourColorBlends = 4;
78Pe3do1.PeColor.ContourColorAlpha = 225;
79Pe3do1.PeColor.ContourColorSet = ContourColorSet.ContourColors;
80 
81Pe3do1.PeGrid.Configure.AutoMinMaxPadding = 1;
82 
83Pe3do1.PeLegend.Location = LegendLocation.Right;
84Pe3do1.PeLegend.Show = true;
85Pe3do1.PeUserInterface.Menu.LegendLocation = MenuControl.Show;
86 
87// Show a 2D bottom contour
88Pe3do1.PePlot.Option.ShowContour = ShowContour.BottomColors;
89 
90Pe3do1.PeLegend.ContourStyle = true;
91 
92// Set various other properties //
93Pe3do1.PeFont.Fixed = true;
94 
95Pe3do1.PeConfigure.RenderEngine = RenderEngine.Direct3D;
96Pe3do1.PeColor.BitmapGradientMode = true;
97Pe3do1.PeColor.QuickStyle = QuickStyle.LightNoBorder;
98 
99Pe3do1.PeFont.FontSize = Gigasoft.ProEssentials.Enums.FontSize.Medium;
100Pe3do1.PeFont.SizeGlobalCntl = 1.1F;
101Pe3do1.PeLegend.ContourLegendPrecision = ContourLegendPrecision.ZeroDecimals;
102 
103Pe3do1.PeConfigure.PrepareImages = true;
104Pe3do1.PeConfigure.CacheBmp = true;
105Pe3do1.PeUserInterface.Allow.FocalRect = false;
106 
107Pe3do1.PeColor.SubsetColors[(int)(SurfaceColors.WireFrame)] = Color.FromArgb(255, 198, 0, 0);
108Pe3do1.PeColor.SubsetColors[(int)(SurfaceColors.SolidSurface)] = Color.FromArgb(255, 0, 148, 90);
109 
110// Add Some Padding around image //
111Pe3do1.PeConfigure.ImageAdjustLeft = 100;
112Pe3do1.PeConfigure.ImageAdjustRight = 100;
113Pe3do1.PeConfigure.ImageAdjustBottom = 100;
114 
115Pe3do1.PeConfigure.TextShadows = TextShadows.BoldText;
116Pe3do1.PeFont.Label.Bold = true;
117 
118// Do not auto fit to shape of window //
119Pe3do1.PePlot.Option.DxFitControlShape = false;
120Pe3do1.PeGrid.Option.GridAspectY = .5F;
121 
122// Set eye/camera distance, or Zoom amount //
123Pe3do1.PePlot.Option.DxZoom = .3F;
124// Set camera position //
125Pe3do1.PeUserInterface.Scrollbar.ViewingHeight = 26;
126Pe3do1.PeUserInterface.Scrollbar.DegreeOfRotation = 180;
127 
128Pe3do1.PePlot.Option.DxZoomMax = 3F;  // v10 New properties to control max and min mousewheel zoom
129Pe3do1.PePlot.Option.DxZoomMin = -.20F;
130 
131Pe3do1.PePlot.Option.DxViewportPanFactor = 2.0F;  // v10 New properties to control shift/drag and mousewheel sensitivity
132Pe3do1.PeUserInterface.Scrollbar.MouseWheelZoomFactor = 3.75F;
133 
134// Set a light location //
135Pe3do1.PeFunction.SetLight(0, -9.0F, -3.2F, 1.0F);
136Pe3do1.PePlot.Option.LightStrength = .35F;
137 
138// Enable DegreePrompting, to view rotation, zoom, light location to aid
139// in determining different default values for such properties //
140Pe3do1.PePlot.Option.DegreePrompting = true;
141 
142Pe3do1.PeData.Precision = DataPrecision.TwoDecimals;
143 
144// Enable CursorPromptTracking HighlighColor, etc only applicable to Direct3D RenderEngine
145Pe3do1.PeUserInterface.Cursor.PromptTracking = true;
146Pe3do1.PeUserInterface.Cursor.PromptStyle = CursorPromptStyle.YValue; // only y and xyz are options.
147Pe3do1.PeUserInterface.Cursor.TrackingTooltipTitle = "dBA";
148Pe3do1.PeUserInterface.Cursor.PromptLocation = CursorPromptLocation.ToolTip;
149Pe3do1.PeUserInterface.Cursor.HighlightColor = Color.FromArgb(255, 255, 0, 0);
150Pe3do1.PeUserInterface.HotSpot.Data = true; // true provides hotspot data
151 
152Pe3do1.PeUserInterface.Menu.DataShadow = MenuControl.Show;
153Pe3do1.PeUserInterface.Menu.ShowWireFrame = MenuControl.Hide;
154 
155Pe3do1.PeUserInterface.Menu.AnnotationControl = true;  // v9.5
156Pe3do1.PeUserInterface.Menu.ShowAnnotationText = MenuControl.Show;
157Pe3do1.PeUserInterface.Menu.AnnotationTextFixedSize = MenuControl.Show;
158 
159// Enable smooth rotating and zooming //
160Pe3do1.PeUserInterface.Scrollbar.ScrollSmoothness = 2;
161Pe3do1.PeUserInterface.Scrollbar.MouseWheelZoomSmoothness = 2;
162Pe3do1.PeUserInterface.Scrollbar.PinchZoomSmoothness = 2;
163 
164// Enable button dragging //
165Pe3do1.PeUserInterface.Scrollbar.MouseDraggingX = true;
166Pe3do1.PeUserInterface.Scrollbar.MouseDraggingY = true;
167 
168Pe3do1.PeConfigure.TextShadows = TextShadows.BoldText;
169 
170Pe3do1.PeAnnotation.Graph.LeftJustificationOutside = true; // set a default smart orientation for labels
171Pe3do1.PeAnnotation.Graph.SymbolObstacles = true;
172Pe3do1.PeFont.GraphAnnotationTextSize = 90;
173Pe3do1.PeUserInterface.HotSpot.GraphAnnotation = true;
174Pe3do1.PePlot.Option.DxSphereComplexity = 12;
175Pe3do1.PeAnnotation.Graph.SizeCntl = 1.2f;
176Pe3do1.PeAnnotation.Show = true;
177Pe3do1.PeAnnotation.Graph.Show = true;
178Pe3do1.PeAnnotation.Graph.AnnotationTextFixedSize = true;  // text in background can be smaller, menu controllable
179 
180// Set a default ViewingAt location.
181float x, y, z;
182x = (float)Pe3do1.PeAnnotation.Graph.X[0];
183y = (float)Pe3do1.PeAnnotation.Graph.Y[0];
184z = (float)Pe3do1.PeAnnotation.Graph.Z[0];
185Pe3do1.PeFunction.SetViewingAt(x, y, z);
186 
187Pe3do1.PeConfigure.RenderEngine = RenderEngine.Direct3D;
188 
189Pe3do1.PeFunction.Force3dxVerticeRebuild = true;
190Pe3do1.PeFunction.Force3dxAnnotVerticeRebuild = true;
191 
192Pe3do1.PeFunction.ReinitializeResetImage();
193Pe3do1.Invalidate();
194Pe3do1.Refresh();