/// <inheritdoc/>
protected internal override void UpdateMaxMin()
{
base.UpdateMaxMin();
var minx = MinX;
var miny = MinY;
var maxx = MaxX;
var maxy = MaxY;
if (double.IsNaN(minx))
minx = double.MaxValue;
if (double.IsNaN(miny))
miny = double.MaxValue;
if (double.IsNaN(maxx))
maxx = double.MinValue;
if (double.IsNaN(maxy))
maxy = double.MinValue;
foreach (var data in sampleData)
{
var x = data.T;
if (!XAxis?.IsValidValue(x) ?? true)
continue;
if (x < minx)
minx = x;
if (x > maxx)
maxx = x;
for (var i = 0; i < 4; ++i)
{
var y = data[i];
if (!YAxis?.IsValidValue(y) ?? true)
continue;
if (y < miny)
miny = y;
if (y > maxy)
maxy = y;
}
}
if (minx < double.MaxValue)
MinX = minx;
if (miny < double.MaxValue)
MinY = miny;
if (maxx > double.MinValue)
MaxX = maxx;
if (maxy > double.MinValue)
MaxY = maxy;
}
/// <summary>
/// Determines whether the specified point is valid.
/// </summary>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
/// <returns><c>true</c> if the point is valid; otherwise, <c>false</c> . </returns>
protected bool IsValidPoint(double x, double y)
{
return((XAxis?.IsValidValue(x) ?? false) &&
(YAxis?.IsValidValue(y) ?? false));
}
