protected override string SetScaleOrgEnd(Altaxo.Data.AltaxoVariant org, Altaxo.Data.AltaxoVariant end)
{
double o = org.ToDouble();
double e = end.ToDouble();
if (!(o < e))
return "org is not less than end";
InternalSetOrgEnd(o, e, false, false);
return null;
}
public override bool Add(Altaxo.Data.AltaxoVariant val)
{
return Add(val.ToDouble());
}
/// <summary>
/// PhysicalVariantToNormal translates physical values into a normal value linear along the axis
/// a physical value of the axis origin must return a value of zero
/// a physical value of the axis end must return a value of one
/// the function physicalToNormal must be provided by any derived class
/// </summary>
/// <param name="x">the physical value</param>
/// <returns>
/// the normalized value linear along the axis,
/// 0 for axis origin, 1 for axis end</returns>
public override double PhysicalVariantToNormal(Altaxo.Data.AltaxoVariant x)
{
return PhysicalToNormal(x.ToDouble());
}
public override void ProcessDataBounds(Altaxo.Data.AltaxoVariant org, bool orgfixed, Altaxo.Data.AltaxoVariant end, bool endfixed)
{
double dorg = org.ToDouble();
double dend = end.ToDouble();
if (!orgfixed)
{
dorg = Math.Ceiling(dorg) - 0.5;
}
if (!endfixed)
{
dend = Math.Floor(dend) + 0.5;
}
bool changed = false;
changed |= _cachedAxisOrg != dorg;
_cachedAxisOrg = dorg;
changed |= _cachedAxisEnd != dend;
_cachedAxisEnd = dend;
changed |= _cachedAxisSpan != (dend - dorg);
_cachedAxisSpan = dend - dorg;
changed |= _cachedOneByAxisSpan != (1 / _cachedAxisSpan);
_cachedOneByAxisSpan = 1 / _cachedAxisSpan;
if (changed)
OnChanged();
}
public override double PhysicalVariantToNormal(Altaxo.Data.AltaxoVariant x)
{
if (x.IsType(Altaxo.Data.AltaxoVariant.Content.VString))
{
int idx = _dataBounds.IndexOf(x.ToString());
return idx < 0 ? double.NaN : (1 + idx - _cachedAxisOrg) * _cachedOneByAxisSpan;
}
else if (x.CanConvertedToDouble)
{
return (x.ToDouble() - _cachedAxisOrg) * _cachedOneByAxisSpan;
}
else
{
return double.NaN;
}
}
public override bool Add(Altaxo.Data.AltaxoVariant item)
{
return Add(item.ToDouble());
}
/// <summary>
/// PhysicalVariantToNormal translates physical values into a normal value linear along the axis
/// a physical value of the axis origin must return a value of zero
/// a physical value of the axis end must return a value of one
/// the function physicalToNormal must be provided by any derived class
/// </summary>
/// <param name="x">the physical value</param>
/// <returns>
/// the normalized value linear along the axis,
/// 0 for axis origin, 1 for axis end</returns>
public override double PhysicalVariantToNormal(Altaxo.Data.AltaxoVariant x)
{
if (x.IsType(AltaxoVariant.Content.VDateTime))
return PhysicalToNormal((DateTime)x);
else if (x.CanConvertedToDouble)
return PhysicalToNormal(new DateTime((long)(x.ToDouble() * 10000000)));
else throw new ArgumentException("Variant x is neither DateTime nor numeric");
}
protected override string SetScaleOrgEnd(Altaxo.Data.AltaxoVariant org, Altaxo.Data.AltaxoVariant end)
{
double o = org.ToDouble();
double e = end.ToDouble();
InternalSetOrgEnd(o, e);
return null;
}
