public static PlotModel AddAnnotations()
{
var model = new PlotModel {
Title = "Add arrow annotations", Subtitle = "Press and drag the left mouse button"
};
var xaxis = new LinearAxis {
Position = AxisPosition.Bottom
};
var yaxis = new LinearAxis {
Position = AxisPosition.Left
};
model.Axes.Add(xaxis);
model.Axes.Add(yaxis);
model.Series.Add(new FunctionSeries(x => Math.Sin(x / 4) * Math.Acos(Math.Sin(x)), 0, Math.PI * 8, 2000, "sin(x/4)*acos(sin(x))"));
ArrowAnnotation tmp = null;
// Add handlers to the PlotModel's mouse events
model.MouseDown += (s, e) =>
{
if (e.ChangedButton == OxyMouseButton.Left)
{
// Create a new arrow annotation
tmp = new ArrowAnnotation();
tmp.StartPoint = tmp.EndPoint = xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis);
model.Annotations.Add(tmp);
e.Handled = true;
}
};
// Handle mouse movements (note: this is only called when the mousedown event was handled)
model.MouseMove += (s, e) =>
{
if (tmp != null)
{
// Modify the end point
tmp.EndPoint = xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis);
tmp.Text = string.Format("Y = {0:0.###}", tmp.EndPoint.Y);
// Redraw the plot
model.InvalidatePlot(false);
e.Handled = true;
}
};
model.MouseUp += (s, e) =>
{
if (tmp != null)
{
tmp = null;
e.Handled = true;
}
};
return(model);
}
public static PlotModel MouseEvents()
{
var model = new PlotModel {
Title = "Mouse events", Subtitle = "Left click and drag"
};
var yaxis = new LinearAxis {
Position = AxisPosition.Left, Minimum = -1, Maximum = 1
};
var xaxis = new LinearAxis {
Position = AxisPosition.Bottom, Minimum = -1, Maximum = 1
};
model.Axes.Add(yaxis);
model.Axes.Add(xaxis);
LineSeries s1 = null;
// Subscribe to the mouse down event on the line series
model.MouseDown += (s, e) =>
{
// only handle the left mouse button (right button can still be used to pan)
if (e.ChangedButton == OxyMouseButton.Left)
{
// Add a line series
s1 = new LineSeries
{
Title = "LineSeries" + (model.Series.Count + 1),
MarkerType = MarkerType.None,
StrokeThickness = 2
};
s1.Points.Add(xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis));
model.Series.Add(s1);
model.InvalidatePlot(false);
e.Handled = true;
}
};
model.MouseMove += (s, e) =>
{
if (s1 != null)
{
s1.Points.Add(xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis));
model.InvalidatePlot(false);
e.Handled = true;
}
};
model.MouseUp += (s, e) =>
{
if (s1 != null)
{
s1 = null;
e.Handled = true;
}
};
return(model);
}
private void myModel_MouseDown(object sender, OxyMouseDownEventArgs ex)
{
if (StartROISet && ex.ChangedButton == OxyMouseButton.Left)
{
PlotMouseDown = true;
double dataTmp = xValueAxis.InverseTransform(ex.Position.X);
if (ROIState == 0)
{
ROI1.Points.Add(new DataPoint(dataTmp, -100000));
ROI1.Points.Add(new DataPoint(dataTmp, 100000));
ROIX[0] = dataTmp;
ROI1.Color = OxyColors.Gray;
ROI1.StrokeThickness = 0.5;
myModel.InvalidatePlot(true);
}
else if (ROIState == 1)
{
ROIX[1] = dataTmp;
ROI2.Points.Add(new DataPoint(ROIX[1], -100000));
ROI2.Points.Add(new DataPoint(ROIX[1], 100000));
ROI2.Color = OxyColors.Gray;
ROI2.StrokeThickness = 0.5;
myModel.InvalidatePlot(true);
}
else
{
if (System.Math.Abs(dataTmp - ROIX[0]) < 2)
{
ROI1.Points.Clear();
ROIX[0] = dataTmp;
ROI1.Points.Add(new DataPoint(ROIX[0], -100000));
ROI1.Points.Add(new DataPoint(ROIX[0], 100000));
ROI1.Color = OxyColors.Gray;
ROI1.StrokeThickness = 0.5;
myModel.InvalidatePlot(true);
ROIState = 2;
}
else if (System.Math.Abs(dataTmp - ROIX[1]) < 2)
{
ROI2.Points.Clear();
ROIX[1] = dataTmp;
ROI2.Points.Add(new DataPoint(ROIX[1], -100000));
ROI2.Points.Add(new DataPoint(ROIX[1], 100000));
ROI2.Color = OxyColors.Gray;
ROI2.StrokeThickness = 0.5;
myModel.InvalidatePlot(true);
ROIState = 3;
}
}
}
}
public static PlotModel MouseEvents()
{
var model = new PlotModel { Title = "Mouse events", Subtitle = "Left click and drag" };
var yaxis = new LinearAxis { Position = AxisPosition.Left, Minimum = -1, Maximum = 1 };
var xaxis = new LinearAxis { Position = AxisPosition.Bottom, Minimum = -1, Maximum = 1 };
model.Axes.Add(yaxis);
model.Axes.Add(xaxis);
LineSeries s1 = null;
// Subscribe to the mouse down event on the line series
model.MouseDown += (s, e) =>
{
// only handle the left mouse button (right button can still be used to pan)
if (e.ChangedButton == OxyMouseButton.Left)
{
// Add a line series
s1 = new LineSeries
{
Title = "LineSeries" + (model.Series.Count + 1),
MarkerType = MarkerType.None,
StrokeThickness = 2
};
s1.Points.Add(xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis));
model.Series.Add(s1);
model.InvalidatePlot(false);
e.Handled = true;
}
};
model.MouseMove += (s, e) =>
{
if (s1 != null)
{
s1.Points.Add(xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis));
model.InvalidatePlot(false);
e.Handled = true;
}
};
model.MouseUp += (s, e) =>
{
if (s1 != null)
{
s1 = null;
e.Handled = true;
}
};
return model;
}
public static PlotModel AddAnnotations()
{
var model = new PlotModel { Title = "Add arrow annotations", Subtitle = "Press and drag the left mouse button" };
var xaxis = new LinearAxis { Position = AxisPosition.Bottom };
var yaxis = new LinearAxis { Position = AxisPosition.Left };
model.Axes.Add(xaxis);
model.Axes.Add(yaxis);
model.Series.Add(new FunctionSeries(x => Math.Sin(x / 4) * Math.Acos(Math.Sin(x)), 0, Math.PI * 8, 2000, "sin(x/4)*acos(sin(x))"));
ArrowAnnotation tmp = null;
// Add handlers to the PlotModel's mouse events
model.MouseDown += (s, e) =>
{
if (e.ChangedButton == OxyMouseButton.Left)
{
// Create a new arrow annotation
tmp = new ArrowAnnotation();
tmp.StartPoint = tmp.EndPoint = xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis);
model.Annotations.Add(tmp);
e.Handled = true;
}
};
// Handle mouse movements (note: this is only called when the mousedown event was handled)
model.MouseMove += (s, e) =>
{
if (tmp != null)
{
// Modify the end point
tmp.EndPoint = xaxis.InverseTransform(e.Position.X, e.Position.Y, yaxis);
tmp.Text = string.Format("Y = {0:0.###}", tmp.EndPoint.Y);
// Redraw the plot
model.InvalidatePlot(false);
e.Handled = true;
}
};
model.MouseUp += (s, e) =>
{
if (tmp != null)
{
tmp = null;
e.Handled = true;
}
};
return model;
}
private void Subscribe(LineSeries series)
{
EventHandler <OxyMouseEventArgs> MouseDown = (s, e) =>
{
if (e.ChangedButton == OxyMouseButton.Left)
{
series.LineStyle = LineStyle.Dot;
PlotModel.RefreshPlot(false);
e.Handled = true;
}
};
EventHandler <OxyMouseEventArgs> MouseUp = (s, e) =>
{
PlotModel.Series.Remove(series);
if (InEditMode)
{
var y = axisY.InverseTransform(e.Position.Y);
var x = axisX.InverseTransform(e.Position.X);
DrawLines(x, x, y, y);
}
PlotModel.RefreshPlot(false);
e.Handled = true;
};
series.MouseDown += MouseDown;
series.MouseUp += MouseUp;
}
public ViewModelPlot(Func <double, double, double> xt, Func <double, double, double> yt, double gridSpan, int steps, int chunks, int arrows, double arrowSize, bool fromcenter)
{
PlotModel = new PlotModel
{
PlotAreaBorderColor = OxyColor.FromRgb(230, 230, 230),
};
_xt = xt;
_yt = yt;
_arrowSize = arrowSize;
_chunks = chunks;
_arrows = arrows;
_gridSpan = gridSpan;
axisY = new LinearAxis
{
MajorGridlineStyle = LineStyle.Solid,
MajorGridlineThickness = 0.5,
MinorGridlineStyle = LineStyle.Dot,
MinorGridlineColor = OxyColor.FromRgb(240, 240, 240),
MinimumPadding = 0.05,
MaximumPadding = 0.05,
Position = AxisPosition.Left,
Title = "y",
};
axisX = new LinearAxis
{
MajorGridlineStyle = LineStyle.Solid,
MajorGridlineThickness = 0.5,
MinorGridlineStyle = LineStyle.Dot,
MinorGridlineColor = OxyColor.FromRgb(240, 240, 240),
MinimumPadding = 0.05,
MaximumPadding = 0.05,
Position = AxisPosition.Bottom,
Title = "x"
};
PlotModel.Axes.Add(axisX);
PlotModel.Axes.Add(axisY);
PlotModel.MouseDown += (s, e) =>
{
if (e.ChangedButton == OxyMouseButton.Left)
{
var y = axisY.InverseTransform(e.Position.Y);
var x = axisX.InverseTransform(e.Position.X);
DrawLines(x, x, y, y);
PlotModel.RefreshPlot(false);
e.Handled = true;
}
};
MakePlot(steps, fromcenter);
}