private Cortege2 <double, TimeSpan> CalculateStep(Cortege2 <double, DateTime> start, Point o, Point tip)
{
if (Step.HasValue)
{
return(Step.Value);
}
try
{
var len = Direction == FastAxisDirection.X ? Math.Abs(tip.X - o.X) : Math.Abs(tip.Y - o.Y);
var numMinSteps = len / minPixelsPerPoint;
if (numMinSteps < 1)
{
return(new Cortege2 <double, TimeSpan>(0, TimeSpan.Zero));
}
if (!IsDateTime)
{
var fractStep = (MaxValue.a - start.a) / numMinSteps;
return(new Cortege2 <double, TimeSpan>(NearestCeilingStep(fractStep),
TimeSpan.MinValue));
}
var fractSpan = (MaxValue.b - start.b).TotalMilliseconds / numMinSteps;
var span = NearestCeilingTimeSpan(fractSpan);
return(new Cortege2 <double, TimeSpan>(0, span));
}
catch
{
return(new Cortege2 <double, TimeSpan>(0, TimeSpan.MaxValue));
}
}
private Cortege2 <double, TimeSpan> CalculateStep(Cortege2 <double, DateTime> start, Point o, Point tip)
{
if (Step.HasValue)
{
return(Step.Value);
}
var len = Direction == FastAxisDirection.X ? Math.Abs(tip.X - o.X) : Math.Abs(tip.Y - o.Y);
var numMinSteps = len / minPixelsPerPoint;
if (!IsDateTime)
{
var fractStep = (MaxValue.a - start.a) / numMinSteps;
Math.
}
var fractSpan = (MaxValue.b - start.b).TotalSeconds / numMinSteps;
if (fractSpan < 1)
{
return(new Cortege2 <double, TimeSpan>(0, new TimeSpan(0, 0, 0, 0, (int)(fractSpan * 1000))));
}
if (fractSpan < 60)
{
return(new Cortege2 <double, TimeSpan>(0, new TimeSpan(0, 0, 5 * ((int)fractSpan / 5))));
}
}
private string DeriveFormatFromStep(Cortege2 <double, TimeSpan> step)
{
if (!string.IsNullOrEmpty(LabelFormat))
{
return(LabelFormat);
}
if (!IsDateTime)
{
var abs = Math.Abs(step.a);
if (abs > 100)
{
return("f0");
}
if (abs > 15)
{
return("f1");
}
if (abs > 1)
{
return("f2");
}
if (abs > 0.1)
{
return("f3");
}
if (abs > 0.01)
{
return("f4");
}
return("g");
}
if (step.b > new TimeSpan(30, 0, 0, 0))
{
return(LongTimeString ? "dd.MM.yyyy" : "dd.MM");
}
if (step.b > new TimeSpan(1, 0, 0, 0))
{
return(LongTimeString ? "dd.MM HH:mm" : "dd.MM");
}
if (step.b > new TimeSpan(0, 8, 0, 0))
{
return(LongTimeString ? "dd.MM HH:mm" : "dd HH:mm");
}
if (step.b > new TimeSpan(0, 1, 0, 0))
{
return(LongTimeString ? "dd HH:mm" : "HH:mm");
}
if (step.b > new TimeSpan(0, 0, 0, 5))
{
return(LongTimeString ? "HH:mm:ss" : "mm:ss");
}
return(LongTimeString ? "mm:ss:ffff" : "ss:ffff");
}
private string Cortege2String(Cortege2 <double, DateTime> c)
{
return(IsDateTime
? c.b.ToString("dd.MM.yyyy HH:mm:ss")
: c.a.ToString("f5"));
}