Example 123: Scientific Graph showing large quantity of data

1//! Plotting 12,000,000 data values. //
2 
3// This example builds upon the basic CreateSimpleSGraph '100' example chart //
4CreateSimpleSGraph(Pesgo1);
5 
6// Enable Bottom Zoom Window //
7Pesgo1.PePlot.ZoomWindow.Show = true;
8 
9// Enable MouseWheelZooming and Mouse Zooming
10Pesgo1.PeUserInterface.Scrollbar.MouseWheelFunction = Gigasoft.ProEssentials.Enums.MouseWheelFunction.HorizontalZoom;
11Pesgo1.PeUserInterface.Allow.Zooming = AllowZooming.Horizontal;
12 
13// Enable middle mouse dragging //
14Pesgo1.PeUserInterface.Scrollbar.MouseDraggingX = true;
15Pesgo1.PeUserInterface.Scrollbar.ScrollingHorzZoom = true;
16 
17FileStream inStream = null;
18WaveReader wr;
19 
20// v9.5
21if (MainWindow.tmpSongXData == null) // only read data if we hadn't already
22{
23    // Pardon the low quality 16000 sample wav; trying to keep the download small and wav playing code simple.
24    // The MFC example PEDEMO plays the wav direct to sound system and is more real time.
25    try
26    {
27        inStream = File.OpenRead("triumphantfeelingss.wav");
28    }
29    catch
30    {
31        System.Windows.Forms.MessageBox.Show("Demo File Not Found?", "Error", System.Windows.Forms.MessageBoxButtons.OK);
32        System.Windows.Forms.Application.Exit();
33    }
34 
35    wr = new WaveReader(inStream);
36    inStream.Close();
37 
38    MainWindow.SongSize = wr.Frames;
39    MainWindow.tmpSongYData = new float[MainWindow.SongSize * 2];
40    MainWindow.tmpSongXData = new float[MainWindow.SongSize];
41 
42    for (int k = 0; k < MainWindow.SongSize; k++)
43    {
44        MainWindow.tmpSongXData[k] = k + 1;
45        MainWindow.tmpSongYData[k] = (float)wr.Data[0][k] / 327.680F;
46        MainWindow.tmpSongYData[k + MainWindow.SongSize] = (float)wr.Data[1][k] / 327.680F;
47    }
48}
49 
50Pesgo1.PeData.Subsets = 2;
51Pesgo1.PeData.Points = MainWindow.SongSize;
52 
53// Send the address of the local data to be shared with ProEssentials
54// Only one copy of the data exists and data is not transfered or copied.
55// DuplicateDataX signals ProEssentials that only one Subsets worth of XData exists, use it for all Subsets.
56Pesgo1.PeData.X.UseDataAtLocation(MainWindow.tmpSongXData, MainWindow.SongSize);
57Pesgo1.PeData.Y.UseDataAtLocation(MainWindow.tmpSongYData, 2 * MainWindow.SongSize);
58 
59Pesgo1.PeData.DuplicateDataX = DuplicateData.PointIncrement;
60 
61Pesgo1.PeGrid.MultiAxesSubsets[0] = 1;
62Pesgo1.PeGrid.MultiAxesSubsets[1] = 1;
63 
64Pesgo1.PePlot.Option.NullDataGaps = false;
65Pesgo1.PeData.NullDataValue = -999;
66 
67Pesgo1.PePlot.Method = SGraphPlottingMethod.Line;
68Pesgo1.PeUserInterface.Dialog.PlotCustomization = false;
69 
70Pesgo1.PeColor.SubsetColors[0] = Color.FromArgb(255, 30, 225, 225);
71Pesgo1.PeColor.SubsetColors[1] = Color.FromArgb(255, 30, 225, 225);
72 
73Pesgo1.PeColor.SubsetShades[0] = Color.FromArgb(255, 128, 128, 128);
74Pesgo1.PeColor.SubsetShades[1] = Color.FromArgb(255, 128, 128, 128);
75 
76Pesgo1.PeGrid.Configure.AutoMinMaxPadding = 1;
77Pesgo1.PeData.AutoScaleData = false;
78 
79Pesgo1.PePlot.SubsetLineTypes[0] = LineType.ThinSolid;
80Pesgo1.PePlot.SubsetLineTypes[1] = LineType.ThinSolid;
81Pesgo1.PePlot.Option.LineShadows = false;
82Pesgo1.PePlot.DataShadows = Gigasoft.ProEssentials.Enums.DataShadows.None;
83 
84Pesgo1.PeConfigure.RenderEngine = Gigasoft.ProEssentials.Enums.RenderEngine.Direct3D;
85 
86Pesgo1.PeColor.BitmapGradientMode = false;
87Pesgo1.PeColor.QuickStyle = QuickStyle.DarkNoBorder;
88 
89Pesgo1.PeUserInterface.Cursor.HourGlassThreshold = 1000000000;
90Pesgo1.PeUserInterface.Allow.ZoomStyle = ZoomStyle.Ro2Not;
91Pesgo1.PeSpecial.AutoImageReset = false;
92 
93Pesgo1.PeAnnotation.Line.XAxisType[0] = Gigasoft.ProEssentials.Enums.LineAnnotationType.MediumThinSolid;
94Pesgo1.PeAnnotation.Line.XAxisColor[0] = Color.FromArgb(255, 255, 0, 0);
95Pesgo1.PeAnnotation.Line.XAxisZoomWindow[0] = Gigasoft.ProEssentials.Enums.AnnotationZoomWindow.GraphAndZoomWindow;
96Pesgo1.PeAnnotation.Line.XAxisShow = true;
97Pesgo1.PeAnnotation.Line.TextSize = 100;
98Pesgo1.PeAnnotation.Show = true;
99Pesgo1.PePlot.ZoomWindow.ShowAnnotations = true;
100 
101Pesgo1.PeString.SubsetLabels[0] = "Left";
102Pesgo1.PeString.SubsetLabels[1] = "Right";
103Pesgo1.PeLegend.Show = false;
104 
105Pesgo1.PeString.YAxisLabel = "Left";
106Pesgo1.PeGrid.WorkingAxis = 1;
107Pesgo1.PeString.YAxisLabel = "Right";
108Pesgo1.PeGrid.WorkingAxis = 0;
109 
110Pesgo1.PeGrid.Option.ShowXAxis = ShowAxis.GridNumbers;
111Pesgo1.PePlot.ZoomWindow.ShowXAxis = false;
112 
113Pesgo1.PeUserInterface.Menu.IncludeDataLabels = MenuControl.Hide;
114Pesgo1.PeUserInterface.Menu.LegendLocation = MenuControl.Hide;
115Pesgo1.PeUserInterface.Menu.MarkDataPoints = MenuControl.Hide;
116Pesgo1.PeUserInterface.Menu.DataShadow = MenuControl.Hide;
117Pesgo1.PeUserInterface.Menu.DataPrecision = MenuControl.Hide;
118 
119Pesgo1.PeUserInterface.Dialog.RandomPointsToExport = false;
120Pesgo1.PeUserInterface.Allow.FocalRect = false;
121Pesgo1.PePlot.Allow.Bar = false;
122Pesgo1.PeUserInterface.Dialog.PlotCustomization = false;
123Pesgo1.PeUserInterface.Allow.Popup = true;
124Pesgo1.PeUserInterface.Dialog.Page2 = false;
125Pesgo1.PeUserInterface.Dialog.Axis = false;
126Pesgo1.PeUserInterface.Dialog.Subsets = false;
127Pesgo1.PeUserInterface.Allow.TextExport = false;
128Pesgo1.PeUserInterface.Dialog.AllowEmfExport = false;
129Pesgo1.PeUserInterface.Dialog.AllowWmfExport = false;
130 
131Pesgo1.PeGrid.Option.CustomGridNumbersX = true;
132 
133Pesgo1.PeAnnotation.Show = true;
134 
135// Construct a simple table annotation //
136Pesgo1.PeAnnotation.Table.Working = 0;
137Pesgo1.PeAnnotation.Table.Rows = 1;
138Pesgo1.PeAnnotation.Table.Columns = 1;
139 
140// Set to cell types and attributes //
141Pesgo1.PeAnnotation.Table.Type[0, 1] = LegendAnnotationType.LargeSquareSolid;
142 
143if (MainWindow.bPlayingSong)
144{
145    Pesgo1.PeAnnotation.Table.Text[0, 0] = " Stop";
146    Pesgo1.PeAnnotation.Table.Color[0, 0] = Color.FromArgb(255, 255, 0, 0);
147}
148else
149{
150    Pesgo1.PeAnnotation.Table.Text[0, 0] = " Play";
151    Pesgo1.PeAnnotation.Table.Color[0, 0] = Color.FromArgb(255, 0, 255, 0);
152}
153 
154Pesgo1.PeAnnotation.Table.HotSpot[0, 0] = true;
155 
156// Other Table Related Properties ///
157Pesgo1.PeAnnotation.Table.Show = true;
158Pesgo1.PeAnnotation.Table.Location = SGraphTALocation.InsidePixelUnits;
159Pesgo1.PeAnnotation.Table.X = 10;
160Pesgo1.PeAnnotation.Table.Y = 5;
161Pesgo1.PeAnnotation.Table.BackColor = Color.FromArgb(0, 0, 0, 0);
162Pesgo1.PeAnnotation.Table.HeaderRows = 0;
163Pesgo1.PeAnnotation.Table.HeaderColumn = false;
164Pesgo1.PeAnnotation.Table.Border = TABorder.NoBorder;
165Pesgo1.PeAnnotation.Table.TextSize = 105;
166 
167Pesgo1.PeFont.MainTitle.Font = "Arial";
168Pesgo1.PeFont.SubTitle.Font = "Arial";
169Pesgo1.PeString.MainTitle = "|12M data points continuously redrawn|";
170Pesgo1.PeString.SubTitle = "|along with new annotation position|zoom with mouse wheel";
171 
172Pesgo1.PeData.Filter2D = Filter2D.Fastest;
173Pesgo1.PeSpecial.AutoImageReset = false;
174 
175// Improves performance by forcing Direct2D content into one layer,
176// The full setting for both foreground and background layers is optional though for this and many
177// implementations, this level of detail may not be necessary.
178Pesgo1.PeConfigure.Composite2D3D = Composite2D3D.Foreground;  // v9.5
179 
180Pesgo1.PeFunction.Force3dxNewColors = true;
181Pesgo1.PeFunction.Force3dxVerticeRebuild = true;
182 
183// new v9 feature
184Pesgo1.PeUserInterface.Cursor.TrackingCustomDataText = true;
185Pesgo1.PeUserInterface.Cursor.PromptTracking = true;
186Pesgo1.PeUserInterface.Cursor.PromptLocation = CursorPromptLocation.Text;
187Pesgo1.PeUserInterface.Cursor.PromptStyle = CursorPromptStyle.XYValues;
188 
189Pesgo1.PeFunction.ReinitializeResetImage();
190Pesgo1.Invalidate();
191 
192if (MainWindow.bPlayingSong)
193    MainWindow.aTimer.Enabled = true;
194else
195    MainWindow.aTimer.Enabled = false;
196 
197  /*
198  ////////////////////////////////////////////////////////////////////////////////////
199  // Code for PeCustomTrackingDataText, Timer, PETableAnnotation PeCustomGridNumber //
200  ////////////////////////////////////////////////////////////////////////////////////
201 
202  // PeCustomTrackingDataText //
203  private void Pesgo1_PeCustomTrackingDataText(object sender, Gigasoft.ProEssentials.EventArg.CustomTrackingDataTextEventArgs e)
204  {
205double dX = Pesgo1.PeUserInterface.Cursor.CursorValueX;
206      double dY = Pesgo1.PeUserInterface.Cursor.CursorValueY;
207 
208      double dMinutes, dSeconds, dRem;
209      int nMin, nSec;
210      dSeconds = (dX / 16000);
211      dMinutes = dSeconds / 60.0F;
212      nMin = (int) dMinutes;
213      dRem = dSeconds - (60.0F * nMin);
214      nSec = (int) dRem;
215      string sTime = nMin.ToString();
216      sTime += String.Format(":{0:0.000} ", dRem);
217      string sAmp = String.Format("Amplitude: {0:0.000} \nTime:", dY);
218      e.TrackingText = sAmp + sTime;
219  }
220 
221  // Timer for example 123 to update play position with vert line annotation //
222  static void aTimer_Tick(object sender, EventArgs e)
223  {
224      System.Windows.Application.Current.MainWindow.Dispatcher.Invoke(DispatcherPriority.Render, new NextPrimeDelegate(UpdateChart));
225  }
226  // Called via Invoke via aTimer_TickTimer, for example 123 updates play position with vert line annotation //
227  static void UpdateChart()
228  {
229      double dPos = (MainWindow.Player.controls.currentPosition * 16000) + (16000 * (80 / 1000));
230      sgo.PeAnnotation.Line.XAxis[0] = dPos;
231      if (sgo.PeGrid.Zoom.Mode)
232      {
233          bool bChangeXView = false;  // If play position passes current viewport, then potentially update viewport range to include play position
234          if (dPos > sgo.PeGrid.Zoom.MaxX) { bChangeXView = true; }
235 
236          // Test Left Mouse Button not pressed, user may be dragging ZoomBox and it would be ugly to change scale while dragging chart //
237          if (Mouse.LeftButton == MouseButtonState.Released)
238          {
239              double dRange = sgo.PeGrid.Zoom.MaxX - sgo.PeGrid.Zoom.MinX;
240 
241              if (dRange < 16000)  // Range is less than 1 second
242              {
243                  if (bChangeXView)
244                  {
245                      sgo.PeGrid.Zoom.MaxX = dPos;
246                      sgo.PeGrid.Zoom.MinX = dPos - dRange;
247                  }
248                  // Remove the normal x axis to replace with line annotation based custom x axis
249                  sgo.PeGrid.Option.ShowXAxis = Gigasoft.ProEssentials.Enums.ShowAxis.Empty;
250                  sgo.PeAnnotation.Line.XAxisType[0] = Gigasoft.ProEssentials.Enums.LineAnnotationType.NoLine;
251                  sgo.PeAnnotation.Line.XAxis[1] = dPos - dRange;
252                  sgo.PeAnnotation.Line.XAxisType[1] = Gigasoft.ProEssentials.Enums.LineAnnotationType.GridTick;
253                  sgo.PeAnnotation.Line.XAxisText[1] = "|h" + ((dPos - dRange) / 16000).ToString("F6");
254                  sgo.PeAnnotation.Line.XAxis[2] = dPos;
255                  sgo.PeAnnotation.Line.XAxisType[2] = Gigasoft.ProEssentials.Enums.LineAnnotationType.GridTick;
256                  sgo.PeAnnotation.Line.XAxisText[2] = "|h" + ((dPos) / 16000).ToString("F6");
257                  sgo.PeAnnotation.Line.BottomMargin = "XX"; // Add margin for special x axis via line annotations for less than 1 second display
258              }
259              else  // Range is more than 1 second
260              {
261                  if (bChangeXView)
262                  {
263                      sgo.PeGrid.Zoom.MaxX = dPos + dRange;
264                      sgo.PeGrid.Zoom.MinX = dPos;
265                  }
266                  // Show normal x axis, though its not totally normal as its a custom event based x axis
267                  sgo.PeGrid.Option.ShowXAxis = Gigasoft.ProEssentials.Enums.ShowAxis.All;
268                  sgo.PeAnnotation.Line.XAxis.Clear(1);
269                  sgo.PeAnnotation.Line.XAxisType.Clear(1);
270                  sgo.PeAnnotation.Line.XAxisText.Clear(1);
271                  sgo.PeAnnotation.Line.XAxisType[0] = Gigasoft.ProEssentials.Enums.LineAnnotationType.MediumThinSolid;
272                  sgo.PeAnnotation.Line.BottomMargin = ""; // Clear margin space for normal x axis
273              }
274          }
275      }
276      sgo.Invalidate();
277  }
278 
279  static void Player_PlayStateChange(int NewState)
280  {
281      if ((WMPLib.WMPPlayState)NewState == WMPLib.WMPPlayState.wmppsPlaying)
282          if ((WMPLib.WMPPlayState)NewState == WMPLib.WMPPlayState.wmppsPlaying)
283          {
284              sgo.PeAnnotation.Table.Text[0, 0] = " Stop";
285              sgo.PeAnnotation.Table.Color[0, 0] = Color.FromArgb(255, 255, 0, 0);
286              MainWindow.bPlayingSong = true;
287              if (sgo.IsDxAvailable)
288              {
289                  MainWindow.aTimer.Start();
290                  sgo.PeUserInterface.Allow.Zooming = AllowZooming.None;
291                  // note, mouse wheel zooming is still available, only click and drag zoom is set to none
292              }
293          }
294 
295      if ((WMPLib.WMPPlayState)NewState == WMPLib.WMPPlayState.wmppsStopped)
296      {
297          MainWindow.aTimer.Stop();
298          sgo.PeAnnotation.Table.Text[0, 0] = " Play";
299          sgo.PeAnnotation.Table.Color[0, 0] = Color.FromArgb(255, 0, 255, 0);
300          sgo.PeUserInterface.Allow.Zooming = AllowZooming.Horizontal;
301          MainWindow.bPlayingSong = false;
302          sgo.Invalidate();
303      }
304  }
305 
306  void Pesgo1_PeCustomGridNumber(object sender, Gigasoft.ProEssentials.EventArg.CustomGridNumberEventArgs e)
307  {
308      if (e.AxisType == 2 && m_nChart == 123)  // x axis
309      {
310          double dMinutes, dSeconds, dRem;
311          int nMin;
312          dSeconds = (e.NumberValue / 16000);
313          dMinutes = dSeconds / 60.0F;
314          nMin = (int)dMinutes;
315          dRem = dSeconds - (60.0F * nMin);
316          string s = nMin.ToString() + ":";
317          string sRem = dRem.ToString("F3");
318          s += sRem;
319          e.NumberString = s;
320      }
321  }
322 
323  */