/// <summary>
/// Returns the first quantity in the property set pSetName of name qName
/// </summary>
/// <typeparam name="TQType"></typeparam>
/// <param name="pSetName"></param>
/// <param name="qName"></param>
/// <returns></returns>
public TQType GetQuantity <TQType>(string pSetName, string qName) where TQType : IIfcPhysicalQuantity
{
var propSets = IsDefinedBy.SelectMany(r => r.RelatingPropertyDefinition.PropertySetDefinitions);
var rel = propSets.FirstOrDefault(r => r is IfcElementQuantity && r.Name == pSetName);
if (rel == null)
{
return(default(TQType));
}
var eQ = rel as IfcElementQuantity;
return(eQ == null ? default(TQType) : eQ.Quantities.OfType <TQType>().FirstOrDefault(q => q.Name == qName));
}
/// <summary>
/// Returns the first quantity that matches the quantity name
/// </summary>
/// <typeparam name="TQType"></typeparam>
/// <param name="qName"></param>
/// <returns></returns>
public TQType GetQuantity <TQType>(string qName) where TQType : IIfcPhysicalQuantity
{
var qSets = IsDefinedBy.SelectMany(r => r.RelatingPropertyDefinition.PropertySetDefinitions).OfType <IIfcElementQuantity>();
return(qSets.SelectMany(qset => qset.Quantities).OfType <TQType>().FirstOrDefault(q => q.Name == qName));
}
public IIfcElementQuantity GetElementQuantity(string pSetName, bool caseSensitive = true)
{
var qSets = IsDefinedBy.SelectMany(r => r.RelatingPropertyDefinition.PropertySetDefinitions).OfType <IfcElementQuantity>();
return(qSets.FirstOrDefault(qset => string.Compare(pSetName, qset.Name, !caseSensitive) == 0));
}