public static string FormatSI(double number, SIUnitType type)
{
// Return a spacing string if number is 0;
if (number == 0)
{
return "-----";
}
// Assign memory for storing the notations.
string[] notation = { "" };
// Select the SIUnitType used and populate the notation array.
switch (type)
{
case SIUnitType.Distance:
return ToDistance(number); // Quick and dirty implementation of the new distance formatter from KER 1.0
//notation = new string[] { "mm", "m", "km", "Mm", "Gm", "Tm", "Pm", "Em", "Zm", "Ym" };
//number *= 1000;
case SIUnitType.Speed:
notation = new string[] { "mm/s", "m/s", "km/s", "Mm/s", "Gm/s", "Tm/s", "Pm/s", "Em/s", "Zm/s", "Ym/s" };
number *= 1000;
break;
case SIUnitType.Pressure:
notation = new string[] { "Pa", "kPa", "MPa", "GPa", "TPa", "PPa", "EPa", "ZPa", "YPa" };
number *= 1000;
break;
case SIUnitType.Density:
notation = new string[] { "mg/m³", "g/m³", "kg/m³", "Mg/m³", "Gg/m³", "Tg/m³", "Pg/m³", "Eg/m³", "Zg/m³", "Yg/m³" };
number *= 1000000;
break;
case SIUnitType.Force:
notation = new string[] { "N", "kN", "MN", "GN", "TN", "PT", "EN", "ZN", "YN" };
number *= 1000;
break;
case SIUnitType.Mass:
notation = new string[] { "g", "kg", "Mg", "Gg", "Tg", "Pg", "Eg", "Zg", "Yg" };
number *= 1000;
break;
}
int notationIndex = 0; // Index that is used to select the notation to display.
// Loop through the notations until the smallest usable one is found.
for (notationIndex = 0; notationIndex < notation.Length; notationIndex++)
{
// If the number is now in a sensible range then return a string of the concatenated number and selected notation.
if (number <= 1000d && number >= -1000d)
return number.ToString("0.000") + notation[notationIndex];
// Switch to bigger unit
number /= 1000;
}
// If we fall out of the loop then we can't display
return "-OVF-";
}
public void SetUnitScale(SIUnitType unit, SciNumber scale)
{
var distanceScaleInfo = unitScales.FirstOrDefault(x => x.unit == unit);
if (distanceScaleInfo != null)
{
distanceScaleInfo.scale = scale;
}
else
{
unitScales.Add(new UnitScale()
{
scale = scale,
unit = unit
});
}
}
public int ExponentFor(SIUnitType unit)
{
return(unitExponents.FirstOrDefault(x => x.unit == unit)?.exponent ?? 0);
}
public Units(SIUnitType unit) : this(new UnitExponent(unit))
{
}
public UnitExponent(SIUnitType unit, int exponent = 1)
{
this.unit = unit;
this.exponent = exponent;
}
public static string FormatSI(double number, SIUnitType type)
{
// Return a spacing string if number is 0;
if (number == 0)
{
return("-----");
}
// Assign memory for storing the notations.
string[] notation = { "" };
// Select the SIUnitType used and populate the notation array.
switch (type)
{
case SIUnitType.Distance:
return(ToDistance(number)); // Quick and dirty implementation of the new distance formatter from KER 1.0
//notation = new string[] { "mm", "m", "km", "Mm", "Gm", "Tm", "Pm", "Em", "Zm", "Ym" };
//number *= 1000;
case SIUnitType.Speed:
notation = new string[] { "mm/s", "m/s", "km/s", "Mm/s", "Gm/s", "Tm/s", "Pm/s", "Em/s", "Zm/s", "Ym/s" };
number *= 1000;
break;
case SIUnitType.Pressure:
notation = new string[] { "Pa", "kPa", "MPa", "GPa", "TPa", "PPa", "EPa", "ZPa", "YPa" };
number *= 1000;
break;
case SIUnitType.Density:
notation = new string[] { "mg/m³", "g/m³", "kg/m³", "Mg/m³", "Gg/m³", "Tg/m³", "Pg/m³", "Eg/m³", "Zg/m³", "Yg/m³" };
number *= 1000000;
break;
case SIUnitType.Force:
notation = new string[] { "N", "kN", "MN", "GN", "TN", "PT", "EN", "ZN", "YN" };
number *= 1000;
break;
case SIUnitType.Mass:
notation = new string[] { "g", "kg", "Mg", "Gg", "Tg", "Pg", "Eg", "Zg", "Yg" };
number *= 1000;
break;
}
int notationIndex = 0; // Index that is used to select the notation to display.
// Loop through the notations until the smallest usable one is found.
for (notationIndex = 0; notationIndex < notation.Length; notationIndex++)
{
if (number > 1000 || number < -1000)
{
number /= 1000;
}
else
{
break;
}
}
// Return a string of the concatinated number and selected notation.
return(number.ToString("0.000") + notation[notationIndex]);
}
