internal override void UpdatePlotData(Telerik.Windows.Data.RadObservableCollection <PlotInfo> dataCollection,
Plot2DRange plotRange, uint samplesCount)
{
if (!this.IsValid)
{
return;
}
dataCollection.SuspendNotifications();
dataCollection.Clear();
double step = (plotRange.YMax - plotRange.YMin) / samplesCount;
for (double y = plotRange.YMin; y <= plotRange.YMax; y += step)
{
double x = this.F(y);
if (Double.IsInfinity(x) || Double.IsNaN(x))
{
continue;
}
dataCollection.Add(new PlotInfo(x, y));
}
dataCollection.ResumeNotifications();
}
private FunctionViewModel(FunctionBase function, Plot2DRange plotRange, uint samplesCount)
{
this.PlotData = new Telerik.Windows.Data.RadObservableCollection<PlotInfo>();
this.isBeingEdited = false;
this.samplesCount = samplesCount;
this.Function = function;
this.Function.PropertyChanged += (s,e) => this.UpdatePlotData();
this.PlotRange = plotRange;
this.PlotRange.PropertyChanged += (s, e) => this.UpdatePlotData();
}
public static FunctionViewModel CreateInverseRealFunctionVM(Plot2DRange plotRange)
{
return new FunctionViewModel(
new InverselRealFunction(),
plotRange,
1000);
}
private FunctionViewModel(Plot2DRange plotRange)
: this(new RealFunction(), plotRange, 1000)
{
}
public static FunctionViewModel CreateRealFunctionVM(Plot2DRange plotRange, uint samplesCount)
{
return new FunctionViewModel(new RealFunction(), plotRange, samplesCount);
}
public static FunctionViewModel CreateRealFunctionVM(string functionString, Plot2DRange plotRange)
{
var f = new FunctionViewModel(plotRange);
f.Function.FunctionString = functionString;
return f;
}
public static FunctionViewModel CreateRealFunctionVM(Plot2DRange plotRange)
{
return new FunctionViewModel(plotRange);
}
internal abstract void UpdatePlotData(Telerik.Windows.Data.RadObservableCollection<PlotInfo> dataCollection,
Plot2DRange plotRange, uint samplesCount);
internal override void UpdatePlotData(Telerik.Windows.Data.RadObservableCollection<PlotInfo> dataCollection,
Plot2DRange plotRange, uint samplesCount)
{
if (!this.IsValid)
return;
dataCollection.SuspendNotifications();
dataCollection.Clear();
double step = (plotRange.XMax - plotRange.XMin) / samplesCount;
for (double x = plotRange.XMin; x <= plotRange.XMax; x += step)
{
double y = this.F(x);
if (Double.IsInfinity(y) || Double.IsNaN(y))
dataCollection.Add(new PlotInfo(x, double.NaN));
dataCollection.Add(new PlotInfo(x, y));
}
dataCollection.ResumeNotifications();
}
internal abstract void UpdatePlotData(Telerik.Windows.Data.RadObservableCollection <PlotInfo> dataCollection,
Plot2DRange plotRange, uint samplesCount);
