Example 028: Graph showing Table Annotations, Real-time update

1//! Move mouse over chart to see tables update with the subset values located
2//! at the vertical cursor line. //
3 
4// This example builds upon the basic CreateSimpleGraph '000' example chart //
5CreateSimpleGraph(Pego1);
6 
7// Construct a simple table annotation //
8Pego1.PeAnnotation.Table.Working = 0;
9Pego1.PeAnnotation.Table.Rows = 1;
10Pego1.PeAnnotation.Table.Columns = 6;
11 
12// column index for table with 6 columns //
13// 0 = symbol, no default width
14// 1 = text, subset label, no default width
15// 2 = text, data value, default width set to 7 characters
16// 3 = symbol second subset, no default width
17// 4 = text, second subset label, no default width
18// 5 = text, second data value, default width set to 7 characters
19 
20// Pass the table type, text, color //
21Pego1.PeAnnotation.Table.Type[0, 0] = LegendAnnotationType.SquareSolid;
22Pego1.PeAnnotation.Table.Color[0, 0] = Color.FromArgb(255, 198, 0, 0);
23Pego1.PeAnnotation.Table.Text[0, 1] = "Texas ";
24Pego1.PeAnnotation.Table.Color[0, 1] = Color.FromArgb(255, 0, 0, 0);
25Pego1.PeAnnotation.Table.Color[0, 2] = Color.FromArgb(255, 0, 0, 0);
26 
27Pego1.PeAnnotation.Table.Type[0, 3] = LegendAnnotationType.SquareSolid;
28Pego1.PeAnnotation.Table.Color[0, 3] = Color.FromArgb(255, 0, 198, 198);
29Pego1.PeAnnotation.Table.Text[0, 4] = "Florida ";
30Pego1.PeAnnotation.Table.Color[0, 4] = Color.FromArgb(255, 0, 0, 0);
31Pego1.PeAnnotation.Table.Color[0, 5] = Color.FromArgb(255, 0, 0, 0);
32 
33Pego1.PeAnnotation.Table.ColumnWidth[0] = 2;
34Pego1.PeAnnotation.Table.ColumnWidth[1] = 8;
35Pego1.PeAnnotation.Table.ColumnWidth[2] = 7;
36Pego1.PeAnnotation.Table.ColumnWidth[3] = 2;
37Pego1.PeAnnotation.Table.ColumnWidth[4] = 8;
38Pego1.PeAnnotation.Table.ColumnWidth[5] = 7;
39 
40// Other Table Related Properties ///
41Pego1.PeAnnotation.Table.Show = true;
42Pego1.PeAnnotation.Table.Location = GraphTALocation.InsideAxis0;
43Pego1.PeAnnotation.Table.AxisLocation = GraphTAAxisLocation.TopLeft;
44Pego1.PeAnnotation.Table.BackColor = Color.FromArgb(255, 55, 155, 198);
45Pego1.PeAnnotation.Table.Border = TABorder.Inset;
46 
47// Construct another table annotation //
48Pego1.PeAnnotation.Table.Working = 1;
49Pego1.PeAnnotation.Table.Rows = 1;
50Pego1.PeAnnotation.Table.Columns = 6;
51 
52// Pass the table type, text, color //
53Pego1.PeAnnotation.Table.Type[0, 0] = LegendAnnotationType.SquareSolid;
54Pego1.PeAnnotation.Table.Color[0, 0] = Color.FromArgb(255, 198, 198, 0);
55Pego1.PeAnnotation.Table.Text[0, 1] = "New York ";
56Pego1.PeAnnotation.Table.Color[0, 1] = Color.FromArgb(255, 0, 0, 0);
57Pego1.PeAnnotation.Table.Color[0, 2] = Color.FromArgb(255, 0, 0, 0);
58 
59Pego1.PeAnnotation.Table.Type[0, 3] = LegendAnnotationType.SquareSolid;
60Pego1.PeAnnotation.Table.Color[0, 3] = Color.FromArgb(255, 0, 198, 0);
61Pego1.PeAnnotation.Table.Text[0, 4] = "California ";
62Pego1.PeAnnotation.Table.Color[0, 4] = Color.FromArgb(255, 0, 0, 0);
63Pego1.PeAnnotation.Table.Color[0, 5] = Color.FromArgb(255, 0, 0, 0);
64 
65Pego1.PeAnnotation.Table.ColumnWidth[0] = 2;
66Pego1.PeAnnotation.Table.ColumnWidth[1] = 8;
67Pego1.PeAnnotation.Table.ColumnWidth[2] = 7;
68Pego1.PeAnnotation.Table.ColumnWidth[3] = 2;
69Pego1.PeAnnotation.Table.ColumnWidth[4] = 8;
70Pego1.PeAnnotation.Table.ColumnWidth[5] = 7;
71 
72// Other Table Related Properties //
73Pego1.PeAnnotation.Table.Show = true;
74Pego1.PeAnnotation.Table.Location = GraphTALocation.InsideAxis1;
75Pego1.PeAnnotation.Table.AxisLocation = GraphTAAxisLocation.TopLeft;
76Pego1.PeAnnotation.Table.BackColor = Color.FromArgb(255, 55, 155, 198);
77Pego1.PeAnnotation.Table.Border = TABorder.Inset;
78Pego1.PeAnnotation.Table.Working = 0;
79 
80// Other various Properties //
81Pego1.PeColor.BitmapGradientMode = true;
82Pego1.PeColor.QuickStyle = QuickStyle.LightShadow;
83 
84Pego1.PeGrid.MultiAxesSubsets[0] = 2;
85Pego1.PeGrid.MultiAxesSubsets[1] = 2;
86 
87Pego1.PeGrid.Option.MultiAxisStyle = MultiAxisStyle.SeparateAxes;
88Pego1.PePlot.Method = GraphPlottingMethod.PointsPlusLine;
89Pego1.PeGrid.WorkingAxis = 1;
90Pego1.PePlot.Method = GraphPlottingMethod.PointsPlusLine;
91Pego1.PeGrid.WorkingAxis = 0;
92Pego1.PeLegend.Show = false;
93Pego1.PePlot.MarkDataPoints = true;
94Pego1.PeUserInterface.Allow.Zooming = AllowZooming.Horizontal;
95Pego1.PeUserInterface.Allow.MultiAxesSizing = true;
96 
97// Make the line types bold //
98Pego1.PeLegend.SubsetLineTypes[0] = LineType.MediumSolid;
99Pego1.PeLegend.SubsetLineTypes[1] = LineType.MediumSolid;
100Pego1.PeLegend.SubsetLineTypes[2] = LineType.MediumSolid;
101Pego1.PeLegend.SubsetLineTypes[3] = LineType.MediumSolid;
102 
103Pego1.PeLegend.SubsetPointTypes[0] = PointType.SquareSolid;
104Pego1.PeLegend.SubsetPointTypes[1] = PointType.SquareSolid;
105Pego1.PeLegend.SubsetPointTypes[2] = PointType.SquareSolid;
106Pego1.PeLegend.SubsetPointTypes[3] = PointType.SquareSolid;
107 
108Pego1.PeUserInterface.Cursor.Mode = CursorMode.FloatingXY;
109Pego1.PeUserInterface.Cursor.MouseCursorControl = true;
110 
111Pego1.PeConfigure.RenderEngine = RenderEngine.Direct2D;
112 
113Pego1.PeFunction.ReinitializeResetImage();
114Pego1.Invalidate();
115// Optionally call Pego1.Refresh() if you are not seeing changes immediately
116 
117/*/////////////////////////////////////////////////////////////////////////////
118// Example MouseMove Event                                                   //
119// When mouse is moved, update table annotation contents.                    //
120///////////////////////////////////////////////////////////////////////////////
121 
122void Pego1_MouseMove(object sender, MouseEventArgs e)
123{
124    // get last mouse location within control //
125    int pX, pY, nA;
126    Double fX=0, fY=0;
127 
128    // get last mouse location within control //'
129    System.Drawing.Point pt = Pego1.PeUserInterface.Cursor.LastMouseMove;
130 
131    nA = 0;        // Initialize axis, non-zero only if using MultiAxesSubsets
132    nX = pt.X;     // Initialize nX and nY with mouse location
133    nY = pt.Y;
134    Pego1.PeFunction.ConvPixelToGraph(ref nA,ref nX,ref nY,ref fX,ref fY, false, false, false);
135 
136    // We now know data coordinates for mouse location //
137 
138    // Use fX to interpolate each subset to find approximate Y value //
139    float Subset1Y, Subset2Y, Subset3Y, Subset4Y, slope;
140    float y0, y1, y2, x1, x2;
141 
142    nX = Convert.ToInt32(fX) - 1;   // nX is floor of fX
143    x2 = nX + 1;   // x2 is right most point index
144    x1 = nX;       // x1 is left most point index or nX
145 
146    if(fX < 1 || fX > 12)
147    {
148        Pego1.PeAnnotation.Table.Working = 0;
149        Pego1.PeAnnotation.Table.Text[0, 2] = "        ";
150        Pego1.PeAnnotation.Table.Text[0, 5] = "        ";
151        Pego1.PeAnnotation.Table.Working = 1;
152        Pego1.PeAnnotation.Table.Text[0, 2] = "        ";
153        Pego1.PeAnnotation.Table.Text[0, 5] = "        ";
154        Pego1.PeFunction.DrawTable(0);
155        Pego1.PeFunction.DrawTable(1);
156        return;
157    }
158 
159    fX = fX - 1.0;
160 
161    // 1st subset //
162    y2 = Pego1.PeData.Y[0, nX + 1];
163    y1 = Pego1.PeData.Y[0, nX];
164    slope = (y2 - y1) / (x2 - x1);
165    y0 = y1 - (slope * x1);
166    Subset1Y = (float)((slope * fX) + y0);
167 
168    // 2nd subset //
169    y2 = Pego1.PeData.Y[1, nX + 1];
170    y1 = Pego1.PeData.Y[1, nX];
171    slope = (y2 - y1) / (x2 - x1);
172    y0 = y1 - (slope * x1);
173    Subset2Y = (float)((slope * fX) + y0);
174 
175    // 3rd subset //
176    y2 = Pego1.PeData.Y[2, nX + 1];
177    y1 = Pego1.PeData.Y[2, nX];
178    slope = (y2 - y1) / (x2 - x1);
179    y0 = y1 - (slope * x1);
180    Subset3Y = (float)((slope * fX) + y0);
181 
182    // 4th subset //
183    y2 = Pego1.PeData.Y[3, nX + 1];
184    y1 = Pego1.PeData.Y[3, nX];
185    slope = (y2 - y1) / (x2 - x1);
186    y0 = y1 - (slope * x1);
187    Subset4Y = (float)((slope * fX) + y0);
188 
189    // Place text in table annotation //
190    Pego1.PeAnnotation.Table.Working = 0;
191    Pego1.PeAnnotation.Table.Text[0, 2] = String.Format("{0:##0.00}",Subset1Y);
192    Pego1.PeAnnotation.Table.Text[0, 5] = String.Format("{0:##0.00}",Subset2Y);
193 
194    Pego1.PeAnnotation.Table.Working = 1;
195    Pego1.PeAnnotation.Table.Text[0, 2] = String.Format("{0:##0.00}",Subset3Y);
196    Pego1.PeAnnotation.Table.Text[0, 5] = String.Format("{0:##0.00}",Subset4Y);
197 
198    Pego1.PeFunction.DrawTable(0);
199    Pego1.PeFunction.DrawTable(1);
200}
201*/