public override void Render(OxyPlot.IRenderContext rc, OxyPlot.PlotModel model, AxisLayer axisLayer, int pass)
{
base.Render(rc, model, axisLayer, pass);
if (model.Series.Count == 0)
{
return;
}
var field = rc.GetType().GetField("g", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
object o = field.GetValue(rc);
Graphics g = (Graphics)o;
LineSeries series = model.Series.First(s => { if (s is LineSeries)
{
return(true);
}
else
{
return(false);
} }) as LineSeries;
for (int i = 0; i < series.Points.Count; i++)
{
ScreenPoint sp = series.Transform(series.Points[i]);
int key = (int)series.Points[i].X;
if (IsCloudVisble && Cloud.Count > 0 && (Cloud[key]) != "9999")
{
if (Cloud[key] != null)
{
using (Font f = new System.Drawing.Font(_PrivateFontCollection.Families[1], 12F))
{
float x = (float)sp.X;
float y = (float)model.Height - 50;
DrawText(g, new ScreenPoint(x, y), Cloud[key],
OxyColor.FromRgb(CloudColor.R, CloudColor.G, CloudColor.B), f, 0F,
HorizontalAlignment.Center, VerticalAlignment.Middle);
}
}
}
if (IsWindVisible && WindSpeeds.Count > 0 && (WindSpeeds[key]) != "9999" /* && (WindSpeeds[key]) != "0"*/)
{
if (WindDirs[key] != null)
{
using (Font f = new System.Drawing.Font(_PrivateFontCollection.Families[0], 30F))
{
float x = (float)sp.X;
float y = (float)model.Height - 50;
DrawText(g, new ScreenPoint(x, y), WindSpeeds[key],
OxyColor.FromRgb(WindColor.R, WindColor.G, WindColor.B), f, float.Parse(WindDirs[key]),
HorizontalAlignment.Left, VerticalAlignment.Bottom, -15, 15);
}
}
}
}
}
public static PlotModel MouseDownEvent()
{
var model = new PlotModel { Title = "MouseDown", Subtitle = "Left click to edit or add points.", LegendSymbolLength = 40 };
// Add a line series
var s1 = new LineSeries
{
Title = "LineSeries1",
Color = OxyColors.SkyBlue,
MarkerType = MarkerType.Circle,
MarkerSize = 6,
MarkerStroke = OxyColors.White,
MarkerFill = OxyColors.SkyBlue,
MarkerStrokeThickness = 1.5
};
s1.Points.Add(new DataPoint(0, 10));
s1.Points.Add(new DataPoint(10, 40));
s1.Points.Add(new DataPoint(40, 20));
s1.Points.Add(new DataPoint(60, 30));
model.Series.Add(s1);
int indexOfPointToMove = -1;
// Subscribe to the mouse down event on the line series
s1.MouseDown += (s, e) =>
{
// only handle the left mouse button (right button can still be used to pan)
if (e.ChangedButton == OxyMouseButton.Left)
{
int indexOfNearestPoint = (int)Math.Round(e.HitTestResult.Index);
var nearestPoint = s1.Transform(s1.Points[indexOfNearestPoint]);
// Check if we are near a point
if ((nearestPoint - e.Position).Length < 10)
{
// Start editing this point
indexOfPointToMove = indexOfNearestPoint;
}
else
{
// otherwise create a point on the current line segment
int i = (int)e.HitTestResult.Index + 1;
s1.Points.Insert(i, s1.InverseTransform(e.Position));
indexOfPointToMove = i;
}
// Change the linestyle while editing
s1.LineStyle = LineStyle.DashDot;
// Remember to refresh/invalidate of the plot
model.InvalidatePlot(false);
// Set the event arguments to handled - no other handlers will be called.
e.Handled = true;
}
};
s1.MouseMove += (s, e) =>
{
if (indexOfPointToMove >= 0)
{
// Move the point being edited.
s1.Points[indexOfPointToMove] = s1.InverseTransform(e.Position);
model.InvalidatePlot(false);
e.Handled = true;
}
};
s1.MouseUp += (s, e) =>
{
// Stop editing
indexOfPointToMove = -1;
s1.LineStyle = LineStyle.Solid;
model.InvalidatePlot(false);
e.Handled = true;
};
model.MouseDown += (s, e) =>
{
if (e.ChangedButton == OxyMouseButton.Left)
{
// Add a point to the line series.
s1.Points.Add(s1.InverseTransform(e.Position));
indexOfPointToMove = s1.Points.Count - 1;
model.InvalidatePlot(false);
e.Handled = true;
}
};
return model;
}
public static PlotModel MouseDownEvent()
{
var model = new PlotModel {
Title = "MouseDown", Subtitle = "Left click to edit or add points."
};
var l = new Legend
{
LegendSymbolLength = 40
};
model.Legends.Add(l);
// Add a line series
var s1 = new LineSeries
{
Title = "LineSeries1",
Color = OxyColors.SkyBlue,
MarkerType = MarkerType.Circle,
MarkerSize = 6,
MarkerStroke = OxyColors.White,
MarkerFill = OxyColors.SkyBlue,
MarkerStrokeThickness = 1.5
};
s1.Points.Add(new DataPoint(0, 10));
s1.Points.Add(new DataPoint(10, 40));
s1.Points.Add(new DataPoint(40, 20));
s1.Points.Add(new DataPoint(60, 30));
model.Series.Add(s1);
int indexOfPointToMove = -1;
// Subscribe to the mouse down event on the line series
s1.MouseDown += (s, e) =>
{
// only handle the left mouse button (right button can still be used to pan)
if (e.ChangedButton == OxyMouseButton.Left)
{
int indexOfNearestPoint = (int)Math.Round(e.HitTestResult.Index);
var nearestPoint = s1.Transform(s1.Points[indexOfNearestPoint]);
// Check if we are near a point
if ((nearestPoint - e.Position).Length < 10)
{
// Start editing this point
indexOfPointToMove = indexOfNearestPoint;
}
else
{
// otherwise create a point on the current line segment
int i = (int)e.HitTestResult.Index + 1;
s1.Points.Insert(i, s1.InverseTransform(e.Position));
indexOfPointToMove = i;
}
// Change the linestyle while editing
s1.LineStyle = LineStyle.DashDot;
// Remember to refresh/invalidate of the plot
model.InvalidatePlot(false);
// Set the event arguments to handled - no other handlers will be called.
e.Handled = true;
}
};
s1.MouseMove += (s, e) =>
{
if (indexOfPointToMove >= 0)
{
// Move the point being edited.
s1.Points[indexOfPointToMove] = s1.InverseTransform(e.Position);
model.InvalidatePlot(false);
e.Handled = true;
}
};
s1.MouseUp += (s, e) =>
{
// Stop editing
indexOfPointToMove = -1;
s1.LineStyle = LineStyle.Solid;
model.InvalidatePlot(false);
e.Handled = true;
};
model.MouseDown += (s, e) =>
{
if (e.ChangedButton == OxyMouseButton.Left)
{
// Add a point to the line series.
s1.Points.Add(s1.InverseTransform(e.Position));
indexOfPointToMove = s1.Points.Count - 1;
model.InvalidatePlot(false);
e.Handled = true;
}
};
return(model);
}
public LineSeries GetSeries4Model2(string title, OxyColor color, int index)
{
var s1 = new LineSeries {
Title = title,
Color = color,
//MarkerType = MarkerType.Circle,
//MarkerSize = 6,
//MarkerStroke = OxyColors.White,
//MarkerFill = color,
//MarkerStrokeThickness = 1.5
};
IndOfPointToMove.Add(index, -1);
Annot.Add(index, new List <PointAnnotation>());
// Subscribe to the mouse down event on the line series
s1.MouseDown += (s, e) => {
// only handle the left mouse button (right button can still be used to pan)
if (e.ChangedButton == OxyMouseButton.Left)
{
int indexOfNearestPoint = (int)Math.Round(e.HitTestResult.Index);
var nearestPoint = s1.Transform(s1.Points[indexOfNearestPoint]);
// Check if we are near a point
if ((nearestPoint - e.Position).Length < 10)
{
// Start editing this point
IndOfPointToMove[index] = indexOfNearestPoint;
}
else
{
// otherwise create a point on the current line segment
//int i = (int)e.HitTestResult.Index + 1;
//s1.Points.Insert(i,s1.InverseTransform(e.Position));
//IndOfPointToMove[index] = i;
}
// Change the linestyle while editing
s1.LineStyle = LineStyle.DashDot;
// Remember to refresh/invalidate of the plot
Model2.InvalidatePlot(false);
// Set the event arguments to handled - no other handlers will be called.
e.Handled = true;
}
};
s1.MouseMove += (s, e) =>
{
if (IndOfPointToMove[index] >= 0)
{
// Move the point being edited.
s1.Points[IndOfPointToMove[index]] = s1.InverseTransform(e.Position);
Annot[index][IndOfPointToMove[index]].X = s1.InverseTransform(e.Position).X;
Annot[index][IndOfPointToMove[index]].Y = s1.InverseTransform(e.Position).Y;
Model2.InvalidatePlot(false);
e.Handled = true;
}
};
s1.MouseUp += (s, e) => {
// Stop editing
IndOfPointToMove[index] = -1;
s1.LineStyle = LineStyle.Solid;
Model2.InvalidatePlot(false);
e.Handled = true;
};
return(s1);
}
public PlotModel CreatePlotModel()
{
var model = new PlotModel()
{
LegendSymbolLength = 6
};
// Add a line series
data = new LineSeries()
{
Color = OxyColors.SkyBlue,
MarkerType = MarkerType.Square,
MarkerSize = 5,
MarkerStroke = OxyColors.White,
MarkerFill = OxyColors.SkyBlue,
MarkerStrokeThickness = 1.5,
};
//data.
bot = new LinearAxis(AxisPosition.Bottom, control.Curve.Min, control.Curve.Max, 5, 1, "Value");
left = new LinearAxis(AxisPosition.Left, minY - 1, maxY + 1, 10, 5, "Fan duty");
bot.MajorGridlineStyle = LineStyle.Dot;
left.MajorGridlineStyle = LineStyle.Dot;
bot.IsZoomEnabled = false;
left.IsZoomEnabled = false;
model.Axes.Add(bot);
model.Axes.Add(left);
model.PlotMargins = new OxyThickness(0);
model.IsLegendVisible = false;
if (control.Controlled.UseCalibrated)
{
right = new LinearAxis(AxisPosition.Right, 0, control.Controlled.MaxRPM, 300, 100, "RPM");
model.Axes.Add(right);
}
//series.Points.
for (int i = 0; i < control.Curve.Count; i++)
{
data.Points.Add(new DataPoint(control.Curve[i].X, control.Curve[i].Y));
}
model.Series.Add(data);
int indexOfPointToMove = -1;
// Subscribe to the mouse down event on the line series
data.MouseDown += (s, e) =>
{
// only handle the left mouse button (right button can still be used to pan)
if (e.ChangedButton == OxyMouseButton.Left)
{
int indexOfNearestPoint = (int)Math.Round(e.HitTestResult.Index);
var nearestPoint = data.Transform(data.Points[indexOfNearestPoint]);
// Check if we are near a point
if ((nearestPoint - e.Position).Length < 10)
{
// Start editing this point
indexOfPointToMove = indexOfNearestPoint;
// Show tracker label
UpdatePlotTracker(e, data.Points[indexOfPointToMove].X, data.Points[indexOfPointToMove].Y);
plotLabel.Visible = true;
}
else
{
// otherwise create a point on the current line segment
int i = (int)e.HitTestResult.Index + 1;
data.Points.Insert(i, data.InverseTransform(e.Position));
indexOfPointToMove = i;
//control.Curve.AddOrdered(new PointF((float)data.Points[i].X, (float)data.Points[i].Y));
control.Curve.Insert(i, new PointF((float)data.Points[i].X, (float)data.Points[i].Y));
// Show tracker label
UpdatePlotTracker(e, data.Points[i].X, data.Points[i].Y);
plotLabel.Visible = true;
}
// Change the linestyle while editing
data.LineStyle = LineStyle.DashDot;
UpdateCurveTracker();
// Remember to refresh/invalidate of the plot
model.RefreshPlot(false);
control.OverrideHysteresis = true;
// Set the event arguments to handled - no other handlers will be called.
e.Handled = true;
}
else
if (e.ChangedButton == OxyMouseButton.Right)
{
if (data.Points.Count == 1)
{
// Cant remove the last point
e.Handled = true;
return;
}
int indexOfNearestPoint = (int)Math.Round(e.HitTestResult.Index);
var nearestPoint = data.Transform(data.Points[indexOfNearestPoint]);
// Check if we are near a point
if ((nearestPoint - e.Position).Length < 10)
{
data.Points.Remove(data.Points[indexOfNearestPoint]);
control.Curve.RemoveAt(indexOfNearestPoint);
// Change the linestyle while editing
data.LineStyle = LineStyle.DashDot;
UpdateCurveTracker();
// Remember to refresh/invalidate of the plot
model.RefreshPlot(false);
control.OverrideHysteresis = true;
// Set the event arguments to handled - no other handlers will be called.
e.Handled = true;
}
}
};
data.MouseMove += (s, e) =>
{
if (indexOfPointToMove >= 0)
{
// Move the point being edited.
var p = data.InverseTransform(e.Position);
if (p.X > bot.Maximum)
{
p.X = bot.Maximum;
}
if (p.Y > maxY)
{
p.Y = maxY;
}
if (p.X < bot.Minimum)
{
p.X = bot.Minimum;
}
if (p.Y < minY)
{
p.Y = minY;
}
if ((indexOfPointToMove > 0 && p.X <= data.Points[indexOfPointToMove - 1].X))
{
p.X = data.Points[indexOfPointToMove - 1].X + 1;
}
if (indexOfPointToMove < data.Points.Count - 1 && p.X >= data.Points[indexOfPointToMove + 1].X)
{
p.X = data.Points[indexOfPointToMove + 1].X - 1;
}
control.Curve[indexOfPointToMove] = new PointF((float)p.X, (float)p.Y);
data.Points[indexOfPointToMove] = p;
UpdateCurveTracker();
UpdatePlotTracker(e, p.X, p.Y);
model.RefreshPlot(false);
control.OverrideHysteresis = true;
e.Handled = true;
}
};
data.MouseUp += (s, e) =>
{
// Stop editing
indexOfPointToMove = -1;
data.LineStyle = LineStyle.Solid;
plotLabel.Visible = false;
model.RefreshPlot(false);
e.Handled = true;
};
TransformMode transformMode = TransformMode.None;
ScreenPoint transformStart = new ScreenPoint();
model.MouseDown += (s, e) =>
{
if (e.ChangedButton == OxyMouseButton.Left)
{
var t = data.InverseTransform(e.Position);
// Add a point to the line series.
// Check for max values
if (t.X <= bot.Maximum && t.X >= bot.Minimum && t.Y <= maxY && t.Y >= minY)
{
// Check for x-collisions
if (data.Points.Count > 0 && (t.X > data.Points[data.Points.Count - 1].X || t.X < data.Points[0].X))
{
if (data.Points[0].X > t.X)
{
data.Points.Insert(0, t);
indexOfPointToMove = 0;
control.Curve.Insert(0, new PointF((float)t.X, (float)t.Y));
}
else
{
data.Points.Add(t);
indexOfPointToMove = data.Points.Count - 1;
control.Curve.Add(new PointF((float)t.X, (float)t.Y));
}
}
}
UpdateCurveTracker();
model.RefreshPlot(false);
e.Handled = true;
}
else if (e.ChangedButton == OxyMouseButton.Middle)
{
transformStart = e.Position;
if (Control.ModifierKeys == Keys.Alt)
{
plot.SetCursorType(CursorType.ZoomVertical);
transformMode = TransformMode.Scale_LeftMost;
}
else if (Control.ModifierKeys == Keys.Control)
{
plot.SetCursorType(CursorType.ZoomVertical);
transformMode = TransformMode.Scale_RightMost;
}
else
{
plot.SetCursorType(CursorType.Pan);
transformMode = TransformMode.Pan;
}
e.Handled = true;
}
};
model.MouseUp += (s, e) =>
{
transformMode = TransformMode.None;
plot.SetCursorType(CursorType.Default);
e.Handled = true;
};
model.MouseMove += (s, e) =>
{
if (transformMode == TransformMode.Pan)
{
float shiftAmount = (float)(data.InverseTransform(e.Position).Y - data.InverseTransform(transformStart).Y);
// Up/Down shift transformation
// Check if any point would leave bounds
foreach (PointF p in control.Curve)
{
if ((p.Y + shiftAmount > 100) || (p.Y + shiftAmount < 0))
{
transformStart = e.Position;
e.Handled = true;
return;
}
}
// If bounds are ok, do the shift
for (int i = 0; i < control.Curve.Count; i++)
{
PointF p = control.Curve[i];
p.Y += shiftAmount;
control.Curve[i] = p;
data.Points[i] = new DataPoint(p.X, p.Y);
}
}
else if (transformMode == TransformMode.Scale_RightMost)
{
float scaleAmount = 1f - (float)(data.InverseTransform(e.Position).Y - data.InverseTransform(transformStart).Y) / 200f;
float constValue = 100f - control.Curve[control.Curve.Count - 1].Y;
foreach (PointF p in control.Curve)
{
if ((100f - (100f - p.Y - constValue) * scaleAmount - constValue > 100f) ||
(100f - (100f - p.Y - constValue) * scaleAmount - constValue < 0f))
{
transformStart = e.Position;
e.Handled = true;
return;
}
}
// If bounds are ok, do the scaling
for (int i = 0; i < control.Curve.Count; i++)
{
PointF p = control.Curve[i];
p.Y = 100f - (100f - p.Y - constValue) * scaleAmount - constValue;
control.Curve[i] = p;
data.Points[i] = new DataPoint(p.X, p.Y);
}
}
else if (transformMode == TransformMode.Scale_LeftMost)
{
float scaleAmount = 1f + (float)(data.InverseTransform(e.Position).Y - data.InverseTransform(transformStart).Y) / 200f;
float constValue = control.Curve[0].Y;
foreach (PointF p in control.Curve)
{
if (((p.Y - constValue) * scaleAmount + constValue > 100f) ||
((p.Y - constValue) * scaleAmount + constValue < 0f))
{
transformStart = e.Position;
e.Handled = true;
return;
}
}
// If bounds are ok, do the scaling
for (int i = 0; i < control.Curve.Count; i++)
{
PointF p = control.Curve[i];
p.Y = (p.Y - constValue) * scaleAmount + constValue;
control.Curve[i] = p;
data.Points[i] = new DataPoint(p.X, p.Y);
}
}
else
{
return;
}
InvalidatePlot();
transformStart = e.Position;
e.Handled = true;
};
return(model);
}
/// <summary>
/// Initializes a new instance of the <see cref="MainViewModel" /> class.
/// </summary>
public MainViewModel()
{
// Create the plot model
var model = new PlotModel {
Title = "Pump RPM by Temperature"
};
model.IsLegendVisible = false;
// Create two line series (markers are hidden by default)
var s1 = new LineSeries {
Title = "Series 1",
MarkerType = MarkerType.Circle,
MarkerFill = OxyColor.FromArgb(0, 15, 35, 100),
MarkerStroke = OxyColor.FromArgb(255, 15, 35, 100),
MarkerStrokeThickness = 2,
MarkerSize = 4,
Color = OxyColor.FromArgb(255, 15, 35, 100)
};
s1.Points.Add(new DataPoint(00, 00));
s1.Points.Add(new DataPoint(10, 10));
s1.Points.Add(new DataPoint(20, 20));
s1.Points.Add(new DataPoint(30, 30));
s1.Points.Add(new DataPoint(40, 40));
s1.Points.Add(new DataPoint(50, 50));
s1.Points.Add(new DataPoint(60, 60));
s1.Points.Add(new DataPoint(70, 70));
s1.Points.Add(new DataPoint(80, 80));
s1.Points.Add(new DataPoint(90, 90));
s1.Points.Add(new DataPoint(100, 100));
// Add the series to the plot model
model.Series.Add(s1);
int indexOfPointToMove = -1;
// Subscribe to the mouse down event on the line series
s1.MouseDown += (s, e) => {
if (e.HitTestResult == null)
{
return;
}
if (e.ChangedButton == OxyMouseButton.Right)
{
int indexOfNearestPoint = (int)Math.Round(e.HitTestResult.Index);
var nearestPoint = s1.Transform(s1.Points[indexOfNearestPoint]);
if ((nearestPoint - e.Position).Length < 10)
{
s1.Points.RemoveAt(indexOfNearestPoint);
}
indexOfPointToMove = -1;
model.InvalidatePlot(false);
e.Handled = true;
}
// only handle the left mouse button (right button can still be used to pan)
if (e.ChangedButton == OxyMouseButton.Left)
{
int indexOfNearestPoint = (int)Math.Round(e.HitTestResult.Index);
var nearestPoint = s1.Transform(s1.Points[indexOfNearestPoint]);
// Check if we are near a point
if ((nearestPoint - e.Position).Length < 10)
{
// Start editing this point
indexOfPointToMove = indexOfNearestPoint;
}
else if (s1.Points.Count <= 64)
{
// otherwise create a point on the current line segment
int i = (int)e.HitTestResult.Index + 1;
s1.Points.Insert(i, s1.InverseTransform(e.Position));
s1.Points.Sort((a, b) => a.X.CompareTo(b.X));
indexOfPointToMove = i;
}
// Change the linestyle while editing
s1.LineStyle = LineStyle.DashDot;
// Remember to refresh/invalidate of the plot
model.InvalidatePlot(false);
// Set the event arguments to handled - no other handlers will be called.
e.Handled = true;
}
};
s1.MouseMove += (s, e) => {
if (indexOfPointToMove >= 0)
{
// Move the point being edited.
s1.Points[indexOfPointToMove] = s1.InverseTransform(e.Position);
model.InvalidatePlot(false);
e.Handled = true;
}
};
s1.MouseUp += (s, e) => {
// Stop editing
if (indexOfPointToMove >= 0)
{
var pt = s1.Points[indexOfPointToMove];
var x = Math.Round(pt.X);
var y = Math.Round(pt.Y);
s1.Points[indexOfPointToMove] = new DataPoint(x, y);
}
s1.Points.Sort((a, b) => a.X.CompareTo(b.X));
indexOfPointToMove = -1;
s1.LineStyle = LineStyle.Solid;
model.InvalidatePlot(false);
e.Handled = true;
};
model.MouseDown += (s, e) => {
if (e.ChangedButton == OxyMouseButton.Left)
{
// Add a point to the line series.
s1.Points.Add(s1.InverseTransform(e.Position));
s1.Points.Sort((a, b) => a.X.CompareTo(b.X));
indexOfPointToMove = s1.Points.Count - 1;
model.InvalidatePlot(false);
e.Handled = true;
}
};
// Axes are created automatically if they are not defined
// Set the Model property, the INotifyPropertyChanged event will make the WPF Plot control update its content
this.Model = model;
}
