private void Read()
{
_isReading = !_isReading;
Task.Factory.StartNew(() =>
{
_timeStamp = DateTime.Now;
Values1.Clear();
Values2.Clear();
Values3.Clear();
while (_isReading)
{
Thread.Sleep(100);
var newItems = GetNext(1);
Values1.AddRange(newItems.Select(x => x.Series1Lecture));
Values2.AddRange(newItems.Select(x => x.Series2Lecture));
Values3.AddRange(newItems.Select(x => x.Series3Lecture));
if (_refreshAxis)
{
var lastPoint = Values3.DefaultIfEmpty(new LecturePoint()).Last().TimeSpan;
To = lastPoint.Ticks;
From = lastPoint.Ticks - TimeSpan.FromSeconds(10).Ticks;
}
}
});
}
public void AreNotEqual(Values1 actual)
{
Assert.NotNull(actual);
Assert.AreNotEqual(FieldType0, actual.FieldType0);
Assert.AreNotEqual(FieldType1, actual.FieldType1);
Assert.AreNotEqual(PropertyType, actual.PropertyType);
}
public GraphViewModel(ICollection <KeyValuePair <int, double> > values0, ICollection <KeyValuePair <int, double> > values1, Brush stroke0, Brush stroke1, string title, string decorate, double min, double max, string xtext)
{
if (values0 != null && values0.Count > 0)
{
this.Values0 = new DoubleCollection();
foreach (var v0 in values0)
{
Values0.Add(v0.Value);
}
}
if (values1 != null && values1.Count > 0)
{
this.Values1 = new DoubleCollection();
foreach (var v1 in values1)
{
Values1.Add(v1.Value);
}
}
Stroke0 = stroke0;
Stroke1 = stroke1;
Title = title;
Decorate = decorate;
Minimum = min;
Maximum = max;
XText = xtext;
}
/// <summary>
/// Process ra data
/// </summary>
/// <param name="entry"></param>
private void ProcessValues1(MonitorEntry entry)
{
var date = entry.Datetime.ToLocalTime();
var point = new PointModel {
DateTime = date, Value = 0, Set = ChartValueSet.Values1
};
var msg = entry.Message.Split(',');
double.TryParse(msg[2], out var steps);
if (IsZeroBased)
{
var zero = Conversions.Deg2ArcSec(90.0) * raStepsPerSecond;
steps -= zero;
}
switch (Scale)
{
case ChartScale.Degrees:
point.Value = Conversions.ArcSec2Deg(steps / raStepsPerSecond);
break;
case ChartScale.Arcsecs:
point.Value = steps / raStepsPerSecond;
break;
case ChartScale.Steps:
point.Value = steps;
break;
default:
return;
}
if (IsLogging)
{
ChartLogging.LogPoint(BaseLogName, ChartType.Plot, point);
}
Values1.Add(point);
if (Values1.Count > MaxPoints)
{
Values1.RemoveAt(0);
}
var item = TitleItems.FirstOrDefault(x => x.TitleName == Values1Title);
if (item == null)
{
return;
}
item.Value = point.Value;
}
private void button2_Click(object sender, RoutedEventArgs e) //wykres
{
Values1.Clear();
Values2.Clear();
Chart1.Update();
N = Convert.ToInt32(tb1.Text);
A = Convert.ToDouble(tb2.Text);
P = Convert.ToDouble(tb3.Text);
if ((N == 0 && A == 0) || (N == 0 && P == 0) || (A == 0 && P == 0) || (A == 0 && P == 0 && N == 0))
{
MessageBox.Show("Wprowadzone dane nie są odpowiedniego formatu.", "Zły format danych wejściowych");
}
else if (N != 0 && A != 0 && P != 0)
{
MessageBox.Show("Jedno pole powinno zostać puste.", "Zły format danych wejściowych");
}
else if (P == 0) //wykres P(A=const,N)
{
N2 = Convert.ToInt32(tb5.Text);
if (N >= N2)
{
MessageBox.Show("Podany przedział liczbowy nie istnieje.", "Zły format danych wejściowych");
}
OsY.Title = "P(A,N)";
OsX.Title = "N";
SepY.Step = 0.1;
SepX.Step = (int)(N2 / 22) + 1;
DrawChart(1, CalculateNseries(N, N2), CalculatePseries(A, N, N2));
DataContext = this;
}
else if (N == 0) // wykres N(P=const, A)
{
A2 = Convert.ToDouble(tb6.Text);
if (A >= A2)
{
MessageBox.Show("Podany przedział liczbowy nie istnieje.", "Zły format danych wejściowych");
}
OsY.Title = "N(P,A)";
OsX.Title = "A";
SepY.Step = 1;
SepX.Step = 0.5;
DrawChart(2, CalculateAseries(A, A2, P), CalculateNseriesY(CalculateAseries(A, A2, P), P));
DataContext = this;
}
}
public void DrawChart(int series_index, List <double> xvalues, List <double> yvalues)
{
if (series_index == 1)
{
for (int i = 0; i < xvalues.Count(); i++)
{
Values1.Add(new ObservablePoint {
X = xvalues[i], Y = yvalues[i]
});
}
}
if (series_index == 2)
{
for (int i = 0; i < xvalues.Count(); i++)
{
Values2.Add(new ObservablePoint {
X = xvalues[i], Y = yvalues[i]
});
}
}
}
protected override void OnApplyTemplate()
{
base.OnApplyTemplate();
this.PathFigure0 = GetTemplateChild("PathFigure0") as PathFigure;
this.SubPath = GetTemplateChild("SubPath") as Path;
title = GetTemplateChild("Title") as TextBlock;
Y0 = GetTemplateChild("Y0") as TextBlock;
Y1 = GetTemplateChild("Y1") as TextBlock;
Y2 = GetTemplateChild("Y2") as TextBlock;
Y3 = GetTemplateChild("Y3") as TextBlock;
Y4 = GetTemplateChild("Y4") as TextBlock;
X0 = GetTemplateChild("X0") as TextBlock;
X1 = GetTemplateChild("X1") as TextBlock;
X2 = GetTemplateChild("X2") as TextBlock;
X3 = GetTemplateChild("X3") as TextBlock;
X4 = GetTemplateChild("X4") as TextBlock;
if (Values0 == null || Values0.Count < 1)
{
return;
}
double bottom;
double top;
double labelStep;
if (Values1 == null || Values1.Count < 1)
{
SubPath.Visibility = Visibility.Collapsed;
var max = Values0.Max();
var min = Values0.Min();
if (max == min)
{
min -= min * 0.1;
max += max * 0.1;
}
bottom = min - (max - min) * 0.1;
top = max + (max - min) * 0.1;
bottom = bottom < Minimum ? Minimum : bottom;
top = top > Maximum ? Maximum : top;
var center = (max + min) / 2;
labelStep = (top - bottom) / 4;
}
else
{
SubPath.Visibility = Visibility.Visible;
var max = Math.Max(Values0.Max(), Values1.Max());
var min = Math.Min(Values0.Min(), Values1.Min());
if (max == min)
{
min -= min * 0.1;
max += max * 0.1;
}
bottom = min - (max - min) * 0.1;
top = max + (max - min) * 0.1;
bottom = bottom < Minimum ? Minimum : bottom;
top = top > Maximum ? Maximum : top;
var center = (max + min) / 2;
labelStep = (top - bottom) / 4;
}
var pathFigure1 = ((((SubPath.Data as GeometryGroup).Children[0] as PathGeometry).Figures as PathFigureCollection)[0] as PathFigure);
PathFigure0.Segments.Clear();
pathFigure1.Segments.Clear();
title.Text = Title;
Y0.Text = bottom.ToString("0.0") + FormatDecoration;
Y1.Text = (bottom + labelStep).ToString("0.0") + FormatDecoration;
Y2.Text = (bottom + 2 * labelStep).ToString("0.0") + FormatDecoration;
Y3.Text = (bottom + 3 * labelStep).ToString("0.0") + FormatDecoration;
Y4.Text = (bottom + 4 * labelStep).ToString("0.0") + FormatDecoration;
if (!XText.IsNullorEmpty())
{
var xTexts = XText.Split(',');
X0.Text = xTexts[0];
X1.Text = xTexts[1];
X2.Text = xTexts[2];
X3.Text = xTexts[3];
X4.Text = xTexts[4];
}
var actualMin = bottom;
var actualMax = bottom + 4 * labelStep;
var length = actualMax - actualMin;
var step = 512 / (Values0.Count + 1);
var actaulStart = GRAPH_ACTUALSTART - ((Values0[0] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
PathFigure0.StartPoint = new Windows.Foundation.Point(step, actaulStart);
for (int i = 0; i < Values0.Count; i++)
{
var actaulY = GRAPH_ACTUALSTART - ((Values0[i] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
PathFigure0.Segments.Add(new LineSegment
{
Point = new Windows.Foundation.Point(step * (i + 1), actaulY)
});
}
if (Values1 != null && Values1.Count > 0)
{
var step1 = 512 / (Values1.Count + 1);
var actaulStart1 = GRAPH_ACTUALSTART - ((Values1[0] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
pathFigure1.StartPoint = new Windows.Foundation.Point(step1, actaulStart1);
for (int i = 0; i < Values1.Count; i++)
{
var actaulY = GRAPH_ACTUALSTART - ((Values1[i] - actualMin) / length) * GRAPH_ACTUALHEIGHT;
pathFigure1.Segments.Add(new LineSegment
{
Point = new Windows.Foundation.Point(step1 * (i + 1), actaulY)
});
}
}
}
protected override int Evaluate()
{
return(Values1.Sum() + Values2.Sum());
}
public ChartsViewModel()
{
#region 趋势图
var r = new Random();
for (int i = 0; i < 20; i++)
{
Values1.Add(new ObservableValue(r.Next(0, 20)));
}
for (int i = 0; i < 20; i++)
{
Values2.Add(new ObservableValue(r.Next(0, 20)));
}
#endregion
#region 饼图
Func <ChartPoint, string> f = cp => { return($"值:{cp.Y},{cp.Participation.ToString("f2")}%"); };
PieDataList = new SeriesCollection
{
new PieSeries
{
Title = "饼1",
Values = new ChartValues <ObservableValue> {
new ObservableValue(4)
},
DataLabels = true,
LabelPoint = f
},
new PieSeries
{
Title = "饼2",
Values = new ChartValues <ObservableValue> {
new ObservableValue(3)
},
DataLabels = true,
LabelPoint = f,
FontSize = 18
},
new PieSeries
{
Title = "饼3",
Values = new ChartValues <ObservableValue> {
new ObservableValue(8)
},
DataLabels = true,
LabelPoint = f
},
};
#endregion
#region 柱状图
SeriesCollection = new SeriesCollection
{
new ColumnSeries
{
Title = "2015",
FontSize = 33,
Values = new ChartValues <double> {
10.1245, 50.1245, 39.1245, 50, 78, 99
},
}
};
SeriesCollection.Add(new ColumnSeries
{
Title = "2016",
Values = new ChartValues <double> {
11.1245, 56, 42.1245
},
});
SeriesCollection[1].Values.Add(48d);
SeriesCollection[0].Values.Add(49d);
Labels = new[] { "柱1", "柱2", "柱3", "柱4", "柱5", "柱6", "柱7", "柱8", };
//y轴值转为整数
Formatter = value => value.ToString("f0");
#endregion
}