public static IEnumerable <double> ToDoubleModelScale(this XbimVector3D v, IModelFactors f)
{
return(new double[]
{
PrecisionClamp(v.X, f.OneMeter, f.Precision),
PrecisionClamp(v.Y, f.OneMeter, f.Precision),
PrecisionClamp(v.Z, f.OneMeter, f.Precision)
});
}
public static IEnumerable <double> ToDoubleMeter(this XbimVector3D v, IModelFactors f)
{
var precisionInM = f.Precision * f.LengthToMetresConversionFactor;
return(new double[]
{
PrecisionClamp(v.X, f.LengthToMetresConversionFactor, precisionInM),
PrecisionClamp(v.Y, f.LengthToMetresConversionFactor, precisionInM),
PrecisionClamp(v.Z, f.LengthToMetresConversionFactor, precisionInM)
});
}
protected void Init(IEntityFactory factory)
{
_factory = factory;
InstanceCache = new PersistedEntityInstanceCache(this, factory);
InstancesLocal = new XbimInstanceCollection(this);
var r = new Random();
UserDefinedId = (short)r.Next(short.MaxValue); // initialise value at random to reduce chance of duplicates
Metadata = ExpressMetaData.GetMetadata(factory.GetType().Module);
ModelFactors = new XbimModelFactors(Math.PI / 180, 1e-3, 1e-5);
}
public static IfcTessellationPrefs FromModelFactors(IModelFactors mf)
{
return(new IfcTessellationPrefs
{
OneMeter = mf.OneMeter,
Precision = mf.Precision * mf.LengthToMetresConversionFactor,
PrecisionMax = mf.PrecisionMax * mf.LengthToMetresConversionFactor,
PrecisionBoolean = mf.PrecisionBoolean * mf.LengthToMetresConversionFactor,
PrecisionBooleanMax = mf.PrecisionBooleanMax * mf.LengthToMetresConversionFactor,
DeflectionAngle = mf.DeflectionAngle,
DeflectionTolerance = mf.DeflectionTolerance * mf.LengthToMetresConversionFactor
});
}
/// <summary>
/// Converts the vector into a length measure enumerable using the model's internal length factors.
/// </summary>
/// <param name="v">The vector</param>
/// <param name="f">The model factors</param>
/// <returns>Length measure values in compliance to the model length unit</returns>
public static IEnumerable <Xbim.Ifc4.MeasureResource.IfcLengthMeasure> ToIfcLengthMeasure4(this XbimVector3D v, IModelFactors f)
{
return(new Xbim.Ifc4.MeasureResource.IfcLengthMeasure[]
{
PrecisionClamp(v.X, f.OneMeter, f.Precision),
PrecisionClamp(v.Y, f.OneMeter, f.Precision),
PrecisionClamp(v.Z, f.OneMeter, f.Precision)
});
}
/// <summary>
/// Converts a serialized <see cref="XYZ"/> to an <see cref="XbimVector3D"/> of meter scale.
/// </summary>
/// <param name="xyz">The vector of meter scale</param>
/// <param name="modelFactors">The model conversion factors</param>
/// <returns></returns>
public static XbimVector3D ToXbimVector3DMeter(this XYZ xyz, IModelFactors modelFactors)
{
return(ToXbimVector3D(xyz, modelFactors.OneMeter));
}
