private void Form1_Load(object sender, EventArgs e)
{
// Get a reference to the GraphPane instance in the ZedGraphControl
GraphPane myPane = zg1.GraphPane;
// Set the titles and axis labels
myPane.Title.Text = "Demonstration of Dual Y Graph";
myPane.XAxis.Title.Text = "Time, Days";
myPane.YAxis.Title.Text = "Parameter A";
myPane.Y2Axis.Title.Text = "Parameter B";
// Make up some data points based on the Sine function
PointPairList list = new PointPairList();
PointPairList list1 = new PointPairList();
PointPairList list2 = new PointPairList();
PointPairList list3 = new PointPairList();
for (double i = -36; i < 36; i += 1)
{
double x = (double)i * 10;
double y = Math.Sin((double)i * Math.PI / 15.0) * 16.0;
//double y = ((2 / (1 + Math.Exp( x))) - 1);
double y1 = ((2 / (1 + Math.Exp(y * (double)numericUpDown1.Value + (double)numericUpDown3.Value))) - 1);
double y2 = ((2 / (1 + Math.Exp(y * (double)numericUpDown2.Value + (double)numericUpDown4.Value))) - 1);
list.Add(x, y);
list1.Add(x, y1);
list2.Add(x, y2);
double y3 = y1 * (double)numericUpDown5.Value + y2 * (double)numericUpDown6.Value;
y3 += (double)numericUpDown7.Value;
y3 = ((2 / (1 + Math.Exp(y3))) - 1);
list3.Add(x, y3);
}
myPane.ClearCurve();
// Generate a red curve with diamond symbols, and "Alpha" in the legend
LineItem myCurve = myPane.AddCurve("sample", list, Color.Black, SymbolType.Diamond);
// Fill the symbols with white
myCurve.Symbol.Fill = new Fill(Color.White);
if (checkBox1.Checked == true)
{
// Generate a blue curve with circle symbols, and "Beta" in the legend
myCurve = myPane.AddCurve("Red", list1, Color.Red, SymbolType.Circle);
// Fill the symbols with white
myCurve.Symbol.Fill = new Fill(Color.White);
// Associate this curve with the Y2 axis
myCurve.IsY2Axis = true;
}
if (checkBox2.Checked == true)
{
myCurve = myPane.AddCurve("Green", list2, Color.Green, SymbolType.Circle);
// Fill the symbols with white
myCurve.Symbol.Fill = new Fill(Color.White);
// Associate this curve with the Y2 axis
myCurve.IsY2Axis = true;
}
myCurve = myPane.AddCurve("Blue", list3, Color.Blue, SymbolType.Circle);
// Fill the symbols with white
myCurve.Symbol.Fill = new Fill(Color.White);
// Associate this curve with the Y2 axis
myCurve.IsY2Axis = true;
// Show the x axis grid
myPane.XAxis.MajorGrid.IsVisible = true;
// Make the Y axis scale red
myPane.YAxis.Scale.FontSpec.FontColor = Color.Red;
myPane.YAxis.Title.FontSpec.FontColor = Color.Red;
// turn off the opposite tics so the Y tics don't show up on the Y2 axis
myPane.YAxis.MajorTic.IsOpposite = false;
myPane.YAxis.MinorTic.IsOpposite = false;
// Don't display the Y zero line
myPane.YAxis.MajorGrid.IsZeroLine = false;
// Align the Y axis labels so they are flush to the axis
myPane.YAxis.Scale.Align = AlignP.Inside;
// Manually set the axis range
//myPane.YAxis.Scale.Min = -30;
//myPane.YAxis.Scale.Max = 30;
// Enable the Y2 axis display
myPane.Y2Axis.IsVisible = true;
// Make the Y2 axis scale blue
myPane.Y2Axis.Scale.FontSpec.FontColor = Color.Blue;
myPane.Y2Axis.Title.FontSpec.FontColor = Color.Blue;
// turn off the opposite tics so the Y2 tics don't show up on the Y axis
myPane.Y2Axis.MajorTic.IsOpposite = false;
myPane.Y2Axis.MinorTic.IsOpposite = false;
// Display the Y2 axis grid lines
myPane.Y2Axis.MajorGrid.IsVisible = true;
// Align the Y2 axis labels so they are flush to the axis
myPane.Y2Axis.Scale.Align = AlignP.Inside;
// Fill the axis background with a gradient
myPane.Chart.Fill = new Fill(Color.White, Color.LightGray, 45.0f);
//// Add a text box with instructions
//TextObj text = new TextObj(
// "Zoom: left mouse & drag\nPan: middle mouse & drag\nContext Menu: right mouse",
// 0.05f, 0.95f, CoordType.ChartFraction, AlignH.Left, AlignV.Bottom );
//text.FontSpec.StringAlignment = StringAlignment.Near;
//myPane.GraphObjList.Clear();
//myPane.GraphObjList.Add( text );
// Enable scrollbars if needed
zg1.IsShowHScrollBar = true;
zg1.IsShowVScrollBar = true;
zg1.IsAutoScrollRange = true;
zg1.IsScrollY2 = true;
// OPTIONAL: Show tooltips when the mouse hovers over a point
zg1.IsShowPointValues = true;
zg1.PointValueEvent += new ZedGraphControl.PointValueHandler(MyPointValueHandler);
// OPTIONAL: Add a custom context menu item
zg1.ContextMenuBuilder += new ZedGraphControl.ContextMenuBuilderEventHandler(
MyContextMenuBuilder);
// OPTIONAL: Handle the Zoom Event
zg1.ZoomEvent += new ZedGraphControl.ZoomEventHandler(MyZoomEvent);
// Size the control to fit the window
SetSize();
// Tell ZedGraph to calculate the axis ranges
// Note that you MUST call this after enabling IsAutoScrollRange, since AxisChange() sets
// up the proper scrolling parameters
zg1.AxisChange();
// Make sure the Graph gets redrawn
zg1.Invalidate();
}
