private void Refresh2()
{
XMinChanged?.Invoke(this, new EventArgs());
XMaxChanged?.Invoke(this, new EventArgs());
YMinChanged?.Invoke(this, new EventArgs());
YMaxChanged?.Invoke(this, new EventArgs());
_refreshFunctions();
}
private void AutoScaleSmooth()
{
ChartAreas[0].AxisY.Minimum = double.NaN; //min;
ChartAreas[0].AxisY.Maximum = double.NaN; //max;
ChartAreas[0].RecalculateAxesScale(); //this.Update();
XMinChanged?.Invoke(this, new EventArgs());
XMaxChanged?.Invoke(this, new EventArgs());
YMinChanged?.Invoke(this, new EventArgs());
YMaxChanged?.Invoke(this, new EventArgs());
NotifyPropertyChanged("XyRatio");
}
private void AutoScaleHard()
{
double Xmax = double.MinValue, Xmin = double.MaxValue;
double Ymax = double.MinValue, Ymin = double.MaxValue;
foreach (var serie in Series)
{
if (serie.Points.Count > 0)
{
var f = serie.Points.Max(p => p.YValues.Max());
if (f > Ymax)
{
Ymax = f;
}
f = serie.Points.Min(p => p.YValues.Min());
if (f < Ymin)
{
Ymin = f;
}
f = serie.Points.Max(p => p.XValue);
if (f > Xmax)
{
Xmax = f;
}
f = serie.Points.Min(p => p.XValue);
if (f < Xmin)
{
Xmin = f;
}
}
}
ChartAreas[0].AxisX.Minimum = Xmin;
ChartAreas[0].AxisX.Maximum = Xmax;
ChartAreas[0].AxisY.Minimum = Ymin; //min;
ChartAreas[0].AxisY.Maximum = Ymax; //max;
XMinChanged?.Invoke(this, new EventArgs());
XMaxChanged?.Invoke(this, new EventArgs());
YMinChanged?.Invoke(this, new EventArgs());
YMaxChanged?.Invoke(this, new EventArgs());
NotifyPropertyChanged("XyRatio");
}
private void zoomIn()
{
var any = false;
/*
* >> floor(log10(756))
* ans = 3
*/
var xScale = Math.Pow(10, Math.Ceiling(Math.Log10(Math.Abs(XMax - XMin) / 2.0) - 1));
var yScale = Math.Pow(10, Math.Ceiling(Math.Log10(Math.Abs(YMax - YMin) / 2.0) - 1));
/*
* distance ϵ (0,2) => scale = floor(log10(distance))
* distance ϵ <2,200> => scale = 1.0
* (0,2) =>
*/
scalingFactor = Math.Pow(10, Math.Ceiling(Math.Log10(Math.Abs(XMax - XMin))));
//(0.1*Math.Abs(XMax - XMin)).RoundToSignificantDigits(0);
if (/*Math.Abs(XMax - XMin) > 2 * scalingFactor &&*/ !yOnlyZoomMode)
{
ChartAreas[0].AxisX.Minimum += xScale;
ChartAreas[0].AxisX.Maximum -= xScale;
any = true;
}
if (/*Math.Abs(YMax - YMin) > 2 * scalingFactor &&*/ !xOnlyZoomMode)
{
ChartAreas[0].AxisY.Minimum += yScale;
ChartAreas[0].AxisY.Maximum -= yScale;
any = true;
}
if (any)
{
_refreshFunctions();
XMinChanged?.Invoke(this, new EventArgs());
XMaxChanged?.Invoke(this, new EventArgs());
YMinChanged?.Invoke(this, new EventArgs());
YMaxChanged?.Invoke(this, new EventArgs());
}
}
private void zoomOut()
{
var xScale = Math.Pow(10, maxCeiling(Math.Log10(Math.Abs(XMax - XMin) / 2.0) - 1));
var yScale = Math.Pow(10, maxCeiling(Math.Log10(Math.Abs(YMax - YMin) / 2.0) - 1));
if (!yOnlyZoomMode)
{
ChartAreas[0].AxisX.Minimum -= xScale;
ChartAreas[0].AxisX.Maximum += xScale;
XMinChanged?.Invoke(this, new EventArgs());
XMaxChanged?.Invoke(this, new EventArgs());
}
if (!xOnlyZoomMode)
{
ChartAreas[0].AxisY.Minimum -= yScale;
ChartAreas[0].AxisY.Maximum += yScale;
YMinChanged?.Invoke(this, new EventArgs());
YMaxChanged?.Invoke(this, new EventArgs());
}
_refreshFunctions();
}