Example 402: 3D Surface with contoured surface

1//! Left click and drag to rotate. Also Hold shift to translate. //
2//! Mouse Wheel zooms in/out.
3//! Middle Button hold down while drag rotates light. //
4//! Right click to show popup menu. //
5 
6int Row, Col, o, nQ, nStartRow, nStartCol;
7int nEndRow, nEndCol, nTargetRows, nTargetCols;
8int rowcounter, colcounter;
9Boolean foundtargetindex = false;
10 
11Pe3do1.PePlot.Option.DxZoomMax = 4F;  // v10 New properties to control max and min mousewheel zoom
12Pe3do1.PePlot.Option.DxZoomMin = -4F;
13 
14Pe3do1.PePlot.Option.DxViewportPanFactor = 1.5F;  // v10 New properties to control shift/drag and mousewheel sensitivity
15Pe3do1.PeUserInterface.Scrollbar.MouseWheelZoomFactor = 3.5F;
16 
17// Enable smooth rotating and zooming //
18Pe3do1.PeUserInterface.Scrollbar.ScrollSmoothness = 4;
19Pe3do1.PeUserInterface.Scrollbar.MouseWheelZoomSmoothness = 4;
20Pe3do1.PeUserInterface.Scrollbar.PinchZoomSmoothness = 2;
21 
22// Enable button dragging //
23Pe3do1.PeUserInterface.Scrollbar.MouseDraggingX = true;
24Pe3do1.PeUserInterface.Scrollbar.MouseDraggingY = true;
25 
26// Do not auto fit to shape of window //
27Pe3do1.PePlot.Option.DxFitControlShape = false;
28 
29// When data is not square use GridAspectX or Z
30Pe3do1.PeGrid.Option.GridAspectX = 1.5F;
31Pe3do1.PeGrid.Option.GridAspectZ = 1.0F;
32 
33// Set eye/camera distance, or Zoom amount //
34Pe3do1.PePlot.Option.DxZoom = -1.20F;
35// Set camera position //
36Pe3do1.PeUserInterface.Scrollbar.ViewingHeight = 26;
37Pe3do1.PeUserInterface.Scrollbar.DegreeOfRotation = 232;
38 
39// Set a light location //
40Pe3do1.PeFunction.SetLight(0, 2.5F, -1.5F, .25F);
41 
42// Enable DegreePrompting, to view rotation, zoom, light location to aid
43// in determining different default values for such properties //
44Pe3do1.PePlot.Option.DegreePrompting = true;
45 
46// Set PlottingMethod //
47Pe3do1.PePlot.Method = ThreeDGraphPlottingMethod.Four;
48 
49// Pass Data //
50Pe3do1.PeGrid.Configure.XAxisScaleControl = Gigasoft.ProEssentials.Enums.ScaleControl.Log;
51Pe3do1.PeString.XAxisLabel = "X in Log";
52 
53int nRndRow = (int)(Rand_Num.NextDouble() * 320.0F) + 80;
54int nRndCol = (int)(Rand_Num.NextDouble() * 320.0F) + 80;
55 
56nStartRow = 100;
57nEndRow = 250;
58nTargetRows = nEndRow - nStartRow + 1;
59 
60nStartCol = 200;
61nEndCol = 250;
62nTargetCols = nEndCol - nStartCol + 1;
63nQ = nTargetRows * nTargetCols;
64 
65Int32[] pElevData = new Int32[2250000];
66String filepath = null;
67filepath = System.AppDomain.CurrentDomain.BaseDirectory + "\\terrain2.bin";
68System.IO.FileStream fs = null;
69try
70{
71    fs = new System.IO.FileStream(filepath, System.IO.FileMode.Open);
72}
73catch
74{
75    System.Windows.Forms.MessageBox.Show("Demo File Not Found?", "Error", System.Windows.Forms.MessageBoxButtons.OK);
76    System.Windows.Forms.Application.Exit();
77}
78 
79System.IO.BinaryReader r = new System.IO.BinaryReader(fs);
80 
81for (o = 0; o < 2250000; o++)
82    pElevData[o] = r.ReadInt32();
83fs.Close();
84 
85float[] pMyXData = new float[nQ];
86float[] pMyYData = new float[nQ];
87float[] pMyZData = new float[nQ];
88rowcounter = 0;
89colcounter = 0;
90 
91for (Row = 0; Row < 1500; Row++)
92{
93    for (Col = 0; Col < 1500; Col++)
94    {
95        foundtargetindex = false;
96        if (Row >= nStartRow && Row <= nEndRow)
97        {
98            if (Col >= nStartCol && Col <= nEndCol)
99            {
100                foundtargetindex = true;
101                o = (rowcounter * nTargetRows) + colcounter;
102                pMyXData[o] = (Col + 1) * (Col - nStartCol + 1);
103                pMyZData[o] = Row + 1;
104                float f = (float)(pElevData[(Row * 1500) + Col]);
105                if (f < 14100.0f) { f = 10000.0F; } // create a plateau
106                if (f > 16000.0f) { f = 17000.0F; } // create a plateau
107                pMyYData[o] = f * 0.1F;
108            }
109        }
110        if (foundtargetindex)
111            colcounter = colcounter + 1;
112    }
113    if (foundtargetindex)
114        rowcounter = rowcounter + 1;
115}
116 
117Pe3do1.PeData.Subsets = nTargetRows;
118Pe3do1.PeData.Points = nTargetCols;
119 
120// Perform the transfer of data //
121Pe3do1.PeData.X.FastCopyFrom(pMyXData, nQ);
122Pe3do1.PeData.Y.FastCopyFrom(pMyYData, nQ);
123Pe3do1.PeData.Z.FastCopyFrom(pMyZData, nQ);
124 
125Pe3do1.PeData.NullDataValue = 0.0F;
126 
127Pe3do1.PeLegend.Location = LegendLocation.Left;
128Pe3do1.PeLegend.Show = true;
129Pe3do1.PeUserInterface.Menu.LegendLocation = MenuControl.Show;
130 
131// v9 features
132Pe3do1.PeColor.ContourColorProportions[0] = .1F;
133Pe3do1.PeColor.ContourColorProportions[1] = .05F;
134Pe3do1.PeColor.ContourColorProportions[2] = .1F;
135Pe3do1.PeColor.ContourColorProportions[3] = .63F;
136Pe3do1.PeColor.ContourColorProportions[4] = .06F;
137Pe3do1.PeColor.ContourColorProportions[5] = .06F;
138 
139Pe3do1.PeColor.ContourColorBlends = 0;  // this must be set before COLORSET, COLORSET ALWAYS LAST
140Pe3do1.PeColor.ContourColorSet = ContourColorSet.BlueCyanGreenYellowBrownWhite;
141 
142Pe3do1.PePlot.Option.ShowContour = ShowContour.BottomLines;
143Pe3do1.PePlot.Option.ShowWireFrame = true;
144Pe3do1.PeColor.BarBorderColor = Color.FromArgb(85, 0, 0, 0);
145 
146Pe3do1.PeGrid.Configure.AutoMinMaxPadding = 0;
147Pe3do1.PeData.SurfaceNullDataGaps = true;
148Pe3do1.PeLegend.ContourStyle = true;
149 
150// Set various other properties //
151Pe3do1.PeFont.Fixed = true;
152 
153Pe3do1.PeString.MainTitle = "";
154Pe3do1.PeString.SubTitle = "||Mouse Wheel zooms. Mouse Drag rotates. Mouse Drag+SHIFT shifts image. ";
155Pe3do1.PeString.MultiSubTitles[0] = "||Double Click start/stop Rotation. Mouse Drag+MIDDLE rotates light. ";
156 
157Pe3do1.PeFont.FontSize = Gigasoft.ProEssentials.Enums.FontSize.Large;
158Pe3do1.PeFont.SizeGlobalCntl = 1.1F;
159Pe3do1.PeLegend.ContourLegendPrecision = ContourLegendPrecision.ZeroDecimals;
160 
161Pe3do1.PeConfigure.PrepareImages = true;
162Pe3do1.PeConfigure.CacheBmp = true;
163Pe3do1.PeUserInterface.Allow.FocalRect = false;
164 
165Pe3do1.PeColor.SubsetColors[(int)(SurfaceColors.WireFrame)] = Color.FromArgb(255, 198, 0, 0);
166Pe3do1.PeColor.SubsetColors[(int)(SurfaceColors.SolidSurface)] = Color.FromArgb(255, 0, 148, 0);
167 
168// Add Some Padding around image //
169Pe3do1.PeConfigure.ImageAdjustLeft = 100;
170Pe3do1.PeConfigure.ImageAdjustRight = 100;
171Pe3do1.PeConfigure.ImageAdjustBottom = 100;
172 
173Pe3do1.PeConfigure.TextShadows = TextShadows.BoldText;
174Pe3do1.PeFont.Label.Bold = true;
175 
176// Set various export defaults //
177Pe3do1.PeSpecial.DpiX = 600;
178Pe3do1.PeSpecial.DpiY = 600;
179 
180// default export setting //
181Pe3do1.PeUserInterface.Dialog.ExportSizeDef = ExportSizeDef.NoSizeOrPixel;
182Pe3do1.PeUserInterface.Dialog.ExportTypeDef = ExportTypeDef.Png;
183Pe3do1.PeUserInterface.Dialog.ExportDestDef = ExportDestDef.Clipboard;
184Pe3do1.PeUserInterface.Dialog.ExportUnitXDef = "1280";
185Pe3do1.PeUserInterface.Dialog.ExportUnitYDef = "768";
186Pe3do1.PeUserInterface.Dialog.ExportImageDpi = 300;
187Pe3do1.PeUserInterface.Dialog.AllowEmfExport = false;
188Pe3do1.PeUserInterface.Dialog.AllowWmfExport = false;
189 
190Pe3do1.PeData.Precision = DataPrecision.TwoDecimals;
191 
192// Enable CursorPromptTracking HighlighColor, etc only applicable to Direct3D RenderEngine
193Pe3do1.PeUserInterface.Cursor.PromptTracking = true;
194Pe3do1.PeUserInterface.Cursor.PromptStyle = CursorPromptStyle.YValue; // only y and xyz are options.
195Pe3do1.PeUserInterface.Cursor.TrackingCustomDataText = true;
196Pe3do1.PeUserInterface.Cursor.PromptLocation = CursorPromptLocation.Text;
197 
198Pe3do1.PeUserInterface.Cursor.HighlightColor = Color.FromArgb(255, 255, 0, 0);
199Pe3do1.PeUserInterface.HotSpot.Data = true; // true provides hotspot data
200 
201Pe3do1.PeUserInterface.Menu.DataShadow = MenuControl.Show;
202 
203Pe3do1.PeUserInterface.Menu.AnnotationControl = true;
204Pe3do1.PeUserInterface.Menu.ShowAnnotationText = MenuControl.Show;
205Pe3do1.PeUserInterface.Menu.AnnotationTextFixedSize = MenuControl.Show;
206 
207Pe3do1.PeConfigure.TextShadows = TextShadows.BoldText;
208 
209// Add some random graph annotations //
210int aCnt = 0;
211for (int annot = 0; annot < 10; annot++)
212{
213    nRndRow = (int)(Rand_Num.NextDouble() * (float)nTargetRows - 1);
214    nRndCol = (int)(Rand_Num.NextDouble() * (float)nTargetCols - 1);
215    float f = Pe3do1.PeData.X[nRndRow, nRndCol];
216    Pe3do1.PeAnnotation.Graph.X[aCnt] = f;
217    Pe3do1.PeAnnotation.Graph.Z[aCnt] = nStartRow + nRndRow + 1;
218    Pe3do1.PeAnnotation.Graph.Y[aCnt] = Pe3do1.PeData.Y[nRndRow, nRndCol];
219    Pe3do1.PeAnnotation.Graph.Type[aCnt] = (int)Gigasoft.ProEssentials.Enums.GraphAnnotationType.LargeDotSolid;
220    Pe3do1.PeAnnotation.Graph.Text[aCnt] = "";
221    Pe3do1.PeAnnotation.Graph.Color[aCnt] = Color.FromArgb(255, 0, 255, 0);
222    MainWindow.m_nAnnotationStartIndices[annot] = aCnt;
223    aCnt++;
224    Pe3do1.PeAnnotation.Graph.X[aCnt] = f;
225    Pe3do1.PeAnnotation.Graph.Z[aCnt] = nStartRow + nRndRow + 1;
226    Pe3do1.PeAnnotation.Graph.Y[aCnt] = Pe3do1.PeData.Y[nRndRow, nRndCol];
227    Pe3do1.PeAnnotation.Graph.Type[aCnt] = (int)Gigasoft.ProEssentials.Enums.GraphAnnotationType.Pointer;
228    Pe3do1.PeAnnotation.Graph.Text[aCnt] = "|lAnnotation " + annot.ToString();
229    Pe3do1.PeAnnotation.Graph.Color[aCnt] = Color.FromArgb(255, 0, 255, 0);
230    aCnt++;
231}
232 
233Pe3do1.PeAnnotation.Line.YAxis[0] = 1200.0F;
234Pe3do1.PeAnnotation.Line.YAxisColor[0] = Color.FromArgb(255, 255, 0, 0);
235Pe3do1.PeAnnotation.Line.YAxisShow = true;
236 
237Pe3do1.PeAnnotation.Show = true;
238Pe3do1.PeAnnotation.Graph.Show = true;
239Pe3do1.PeAnnotation.Graph.LeftJustificationOutside = true;
240Pe3do1.PeAnnotation.Graph.SymbolObstacles = true;
241Pe3do1.PeFont.GraphAnnotationTextSize = 80;
242Pe3do1.PeUserInterface.HotSpot.GraphAnnotation = true;
243Pe3do1.PePlot.Option.DxSphereComplexity = 12;
244Pe3do1.PeAnnotation.Graph.SizeCntl = .7f;
245Pe3do1.PeAnnotation.InFront = true;
246 
247Pe3do1.PeUserInterface.Menu.CustomMenuText[0] = "Zoom Rotate on Center ";
248Pe3do1.PeUserInterface.Menu.CustomMenuState[0, 0] = CustomMenuState.Checked;
249Pe3do1.PeUserInterface.Menu.CustomMenuLocation[0] = CustomMenuLocation.AboveSeparator;
250Pe3do1.PeString.MultiSubTitles[1] = "Key 0-9 rotates/zooms at annotation| |Popup Menu size/hide annotation text.";
251 
252// Set a default ViewingAt location.
253float x, y, z;
254x = (float)Pe3do1.PeAnnotation.Graph.X[0];
255y = (float)Pe3do1.PeAnnotation.Graph.Y[0];
256z = (float)Pe3do1.PeAnnotation.Graph.Z[0];
257Pe3do1.PeFunction.SetViewingAt(x, y, z);
258 
259Pe3do1.PeConfigure.RenderEngine = RenderEngine.Direct3D;
260Pe3do1.PeColor.BitmapGradientMode = false;
261Pe3do1.PeColor.QuickStyle = QuickStyle.DarkNoBorder;
262 
263Pe3do1.PeColor.GridBandsPatching = false;
264Pe3do1.PeColor.GridBands = false;
265Pe3do1.PeColor.YBackColor = Color.Empty;
266Pe3do1.PeColor.GridBrighten = true; // v10 Brightens Grid Lines
267Pe3do1.PeColor.GraphForeground = Color.FromArgb(255, 0, 255, 255);
268 
269Pe3do1.PeData.ComputeShader = true;   // v10 Enable ComputeShader for fastest possible rendering.
270 
271Pe3do1.PeFunction.Force3dxVerticeRebuild = true;
272Pe3do1.PeFunction.Force3dxAnnotVerticeRebuild = true;
273 
274Pe3do1.PeFunction.ReinitializeResetImage();
275Pe3do1.Invalidate();
276Pe3do1.Refresh();
277 
278/*
279////////////////////////////////////////////
280// PeCustomTrackingDataText event handler //
281////////////////////////////////////////////
282private void Pe3do1_PeCustomTrackingDataText(object sender, Gigasoft.ProEssentials.EventArg.CustomTrackingDataTextEventArgs e)
283{
284    double dY = Pe3do1.PeUserInterface.Cursor.CursorValueY;
285    e.TrackingText = String.Format("Surface with Plateaus:\n{0:0.000}", dY);
286}
287 
288/////////////////////////////////
289// PeDataHotSpot event handler //
290/////////////////////////////////
291private void Pe3do1_PeDataHotSpot(object sender, Gigasoft.ProEssentials.EventArg.DataHotSpotEventArgs e)
292{
293    this.Text = "DataPoint value " + Pe3do1.PeData.Y[e.SubsetIndex, e.PointIndex].ToString() + " s=" + e.SubsetIndex.ToString() + " p=" + e.PointIndex.ToString();
294}
295*/