/// <summary>
/// Reset zoom on all plot axes.
/// </summary>
/// <param name="sender">Not used.</param>
/// <param name="e">Not used.</param>
private void ButtonResetZoom_Click(object sender, RoutedEventArgs e)
{
PlotView.ResetAllAxes();
}
public MainWindow() : base(new[]
{
"resm:OxyPlot.Avalonia.Themes.Default.xaml?assembly=OxyPlot.Avalonia"
})
{
var grRoot = new Grid()
{
DataContext = m, Margin = new Thickness(10)
};
grRoot.RowDefinitions.Add(new RowDefinition(1, GridUnitType.Auto));
grRoot.RowDefinitions.Add(new RowDefinition(1, GridUnitType.Star));
grRoot.RowDefinitions.Add(new RowDefinition(100, GridUnitType.Pixel));
pv = new PlotView();
pv.Model = new PlotModel();
Grid.SetRow(pv, 1);
grRoot.Children.Add(pv);
var grSplit = new GridSplitter()
{
Height = 10, VerticalAlignment = Avalonia.Layout.VerticalAlignment.Top
};
Grid.SetRow(grSplit, 2);
grRoot.Children.Add(grSplit);
tboxLog = new TextBox()
{
Margin = new Thickness(0, 20, 0, 0)
};
Grid.SetRow(tboxLog, 2);
grRoot.Children.Add(tboxLog);
var durationConverter = new QuantityConverter((s, c) => Duration.Parse(s, c));
var rotationalSpeedConverter = new QuantityConverter((s, c) => RotationalSpeed.Parse(s, c));
{
var sp = new StackPanel()
{
Orientation = Avalonia.Layout.Orientation.Vertical
};
Func <string, TextBlock> tblkField = (s) =>
new TextBlock
{
Text = s,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
FontWeight = FontWeight.Bold,
Margin = new Thickness(10, 0, 0, 0)
};
Func <string, IValueConverter, TextBox> tboxField = (propname, cvt) =>
{
var tbox = new TextBox {
MinWidth = 100, Margin = new Thickness(10, 0, 0, 0)
};
tbox[!TextBox.TextProperty] = new Binding(propname)
{
Mode = BindingMode.TwoWay, Converter = cvt
};
return(tbox);
};
{
var spH = new StackPanel()
{
Orientation = Avalonia.Layout.Orientation.Horizontal
};
sp.Children.Add(spH);
TextBox durationTbox = null;
spH.Children.Add(tblkField("Duration").Eval((tblk) => { tblk.Margin = new Thickness(); return(tblk); }));
spH.Children.Add(durationTbox = tboxField("Duration", durationConverter));
var sld = new Slider()
{
Width = 200,
Minimum = 0.5,
Maximum = 10,
LargeChange = 0.5,
SmallChange = 0.5,
Value = m.Duration.Seconds
};
sld.PropertyChanged += (a, b) =>
{
if (b.Property.Name == "Value")
{
var prev = m.Duration.Seconds;
var next = sld.Value.MRound(0.5);
if (prev != next)
{
m.Duration = Duration.FromSeconds(next);
durationTbox.Text = m.Duration.ToString();
Recompute();
}
}
};
spH.Children.Add(sld);
spH.Children.Add(tblkField("TargetSpeed"));
spH.Children.Add(tboxField("TargetSpeed", rotationalSpeedConverter));
spH.Children.Add(tblkField("RenderPts"));
spH.Children.Add(tboxField("RenderPts", null));
}
{
sp.Children.Add(new TextBlock()
{
Text = "plot mouse LEFT:(show value) - WHEEL:(zoom 1clk=rect-zoom 2clk=fit) - RIGHT:pan",
Margin = new Thickness(0, 10, 0, 0)
});
}
var btnRefresh = new Button()
{
Content = "Refresh"
};
btnRefresh.Click += (a, b) =>
{
Recompute();
};
sp.Children.Add(btnRefresh);
Grid.SetRow(sp, 0);
grRoot.Children.Add(sp);
}
{
Recompute();
pv.ResetAllAxes();
pv.InvalidatePlot();
}
this.Content = grRoot;
}
void Recompute()
{
pv.Model.Series.Clear();
var sb = new StringBuilder();
var accelBase = "1-cos(t)";
var accelOverDuration = accelBase.Substitute("t", $"(t/(d/2)*2*pi)");
var accelCoeff = $"s / abs({accelOverDuration.Integrate("t").Substitute("t", "(d/2)")})";
var accel = $"({accelCoeff}) * ({accelOverDuration})";
var accelInt = accel.Integrate("t");
var speed = accelInt;
var speedAtHalf = accelInt.Substitute("t", "(d/2)");
var speedInt = speed.Integrate("t");
var posAtZero = speedInt.Substitute("t", 0);
var pos = $"({speedInt})-{(posAtZero)}";
var posAtHalf = pos.Substitute("t", "(d/2)");
var targetspeed = $"{pos.ToString()}=x".Substitute("t", "d/2").Solve("s");
var deAccelBase = "cos(t)-1";
var deAccelOverDuration = deAccelBase.Substitute("t", $"(t/(d/2)*2*pi)");
var deAccelCoeff = $"s / abs({deAccelOverDuration.Integrate("t").Substitute("t", "(d/2)")})";
var deAccel = $"({deAccelCoeff})*({deAccelOverDuration})";
var deAccelInt = deAccel.Integrate("t");
var deSpeedAtZero = deAccelInt.Substitute("t", 0);
var deSpeedAtHalf = deAccelInt.Substitute("t", "(d/2)");
var deSpeed = $"({deAccelInt})-({deSpeedAtZero})+({speedAtHalf})";
var deSpeedInt = deSpeed.Integrate("t");
var dePosAtZero = deSpeedInt.Substitute("t", 0);
var dePos = $"({deSpeedInt})-({dePosAtZero})+({posAtHalf})";
var t = Duration.FromSeconds(0);
var t_step = m.Duration / m.RenderPts;
var accelDataSet = new List <PlotData>();
var speedDataSet = new List <PlotData>();
var posDataSet = new List <PlotData>();
var deAccelDataSet = new List <PlotData>();
var deSpeedDataSet = new List <PlotData>();
var dePosDataSet = new List <PlotData>();
var accelCompiled = accel
.Substitute("s", m.TargetSpeed.RevolutionsPerSecond)
.Substitute("d", m.Duration.Seconds)
.Compile("t");
var deAccelCompiled = deAccel
.Substitute("s", m.TargetSpeed.RevolutionsPerSecond)
.Substitute("d", m.Duration.Seconds)
.Compile("t");
var speedCompiled = speed
.Substitute("s", m.TargetSpeed.RevolutionsPerSecond)
.Substitute("d", m.Duration.Seconds)
.Compile("t");
var deSpeedCompiled = deSpeed
.Substitute("s", m.TargetSpeed.RevolutionsPerSecond)
.Substitute("d", m.Duration.Seconds)
.Compile("t");
var posCompiled = pos
.Substitute("s", m.TargetSpeed.RevolutionsPerSecond)
.Substitute("d", m.Duration.Seconds)
.Compile("t");
var dePosCompiled = dePos
.Substitute("s", m.TargetSpeed.RevolutionsPerSecond)
.Substitute("d", m.Duration.Seconds)
.Compile("t");
var halfDuration = m.Duration / 2;
var timeTol = Duration.FromNanoseconds(1);
while (t.LessThanOrEqualsTol(timeTol, m.Duration))
{
if (t.LessThanOrEqualsTol(timeTol, halfDuration))
{
accelDataSet.Add(new PlotData(
t.Seconds,
double.Parse(accelCompiled.Substitute(t.Seconds).Real.ToString())));
speedDataSet.Add(new PlotData(
t.Seconds,
double.Parse(speedCompiled.Substitute(t.Seconds).Real.ToString())));
posDataSet.Add(new PlotData(
t.Seconds,
double.Parse(posCompiled.Substitute(t.Seconds).Real.ToString())));
}
if (t.GreatThanOrEqualsTol(timeTol, halfDuration))
{
deAccelDataSet.Add(new PlotData(
t.Seconds,
double.Parse(deAccelCompiled.Substitute((t - halfDuration).Seconds).Real.ToString())));
deSpeedDataSet.Add(new PlotData(
t.Seconds,
double.Parse(deSpeedCompiled.Substitute((t - halfDuration).Seconds).Real.ToString())));
dePosDataSet.Add(new PlotData(
t.Seconds,
double.Parse(dePosCompiled.Substitute((t - halfDuration).Seconds).Real.ToString())));
}
t += t_step;
}
var accelSerie = new OxyPlot.Series.LineSeries()
{
Title = "Accel (rps2)",
DataFieldX = "x",
DataFieldY = "y",
ItemsSource = accelDataSet,
Color = OxyColor.Parse("#9ccc65")
};
pv.Model.Series.Add(accelSerie);
var deAccelSerie = new OxyPlot.Series.LineSeries()
{
Title = "DeAccel (rps2)",
DataFieldX = "x",
DataFieldY = "y",
ItemsSource = deAccelDataSet,
Color = OxyColor.Parse("#6b9b37")
};
pv.Model.Series.Add(deAccelSerie);
var speedSerie = new OxyPlot.Series.LineSeries()
{
Title = "Speed (rps)",
DataFieldX = "x",
DataFieldY = "y",
ItemsSource = speedDataSet,
Color = OxyColor.Parse("#42a5f5")
};
pv.Model.Series.Add(speedSerie);
var deSpeedSerie = new OxyPlot.Series.LineSeries()
{
Title = "DeSpeed (rps)",
DataFieldX = "x",
DataFieldY = "y",
ItemsSource = deSpeedDataSet,
Color = OxyColor.Parse("#0077c2")
};
pv.Model.Series.Add(deSpeedSerie);
var posSerie = new OxyPlot.Series.LineSeries()
{
Title = "Pos (rev)",
DataFieldX = "x",
DataFieldY = "y",
ItemsSource = posDataSet,
Color = OxyColor.Parse("#ef5350")
};
pv.Model.Series.Add(posSerie);
var dePosSerie = new OxyPlot.Series.LineSeries()
{
Title = "DePos (rev)",
DataFieldX = "x",
DataFieldY = "y",
ItemsSource = dePosDataSet,
Color = OxyColor.Parse("#b61827")
};
pv.Model.Series.Add(dePosSerie);
pv.Model.Annotations.Clear();
var note = new OxyPlot.Annotations.ArrowAnnotation
{
StartPoint = new DataPoint(m.Duration.Seconds / 2, m.TargetSpeed.RevolutionsPerSecond * 1.3),
EndPoint = new DataPoint(m.Duration.Seconds / 2, m.TargetSpeed.RevolutionsPerSecond),
Text = "targetspeed"
};
pv.Model.Annotations.Add(note);
pv.ResetAllAxes();
foreach (var x in pv.Model.Axes)
{
x.MajorGridlineStyle = LineStyle.Dot;
}
pv.InvalidatePlot();
tboxLog.Text = sb.ToString();
}
public MainWindow() : base(new[]
{
"resm:OxyPlot.Avalonia.Themes.Default.xaml?assembly=OxyPlot.Avalonia"
})
{
Title = csv_pathfilename;
string hdr = "";
using (var sr = new StreamReader(csv_pathfilename))
{
hdr = sr.ReadLine();
}
var hdr_ss = hdr.Split(',');
var cols = new List <int>();
foreach (var chanFilter in chansFilter.Split(','))
{
int idx = -1;
for (int i = 0; i < hdr_ss.Length; ++i)
{
if (hdr_ss[i].Trim().StripBegin('"').StripEnd('"') == chanFilter.Trim().StripBegin('"').StripEnd('"'))
{
idx = i;
break;
}
}
if (idx != -1)
{
cols.Add(idx);
}
}
if (cols.Count == 0)
{
System.Console.WriteLine($"no matching cols");
Environment.Exit(1);
}
var grRoot = new Grid()
{
Margin = new Thickness(10)
}; this.Content = grRoot;
pv = new PlotView();
pv.Model = new PlotModel();
grRoot.Children.Add(pv);
var series = new List <OxyPlot.Series.LineSeries>();
foreach (var col in cols)
{
var csv_data = new List <CsvItem>();
using (var sr = new StreamReader(csv_pathfilename))
{
sr.ReadLine();
while (!sr.EndOfStream)
{
var str = sr.ReadLine();
var ss = str.Split(',');
csv_data.Add(new CsvItem {
t = ss[0].InvDoubleParse(), v = ss[col].InvDoubleParse() != 0
});
}
}
CsvItem periodBegin = null;
foreach (var x in csv_data.WithPrev())
{
if (x.item.v)
{
if (periodBegin == null)
{
periodBegin = x.item;
}
if (x.prev != null && !x.prev.v)
{
x.item.prev = periodBegin;
periodBegin.periodSec = x.item.t - periodBegin.t;
periodBegin = x.item;
}
}
}
var speed_items = csv_data
.Where(r => r.periodSec > 0)
.Select(x => new PlotData(
x.t + x.periodSec / 2,
1.0 / x.periodSec
))
.OrderBy(w => w.x);
var f1 = new OxyPlot.Series.LineSeries()
{
Title = hdr_ss[col] + $" ({speed_items.Count()}pts)",
DataFieldX = "x",
DataFieldY = "y",
ItemsSource = speed_items
};
pv.Model.Series.Add(f1);
}
pv.ResetAllAxes();
pv.InvalidatePlot();
}