private static void Report(IIfcRepresentation ifcRepresentation, TextHighliter sb)
{
foreach (var item in ifcRepresentation.Items)
{
Report(item, sb);
}
}
/// <summary>
/// returns true if the representation is a 3D Shape (solid or surface), if it is a curve or curve set returns false
/// </summary>
/// <param name="rep"></param>
/// <returns></returns>
public static bool IsBodyRepresentation(this IIfcRepresentation rep)
{
//in old models sometimes the representation is not defined so assume it is a candidate
if (string.IsNullOrEmpty(rep.RepresentationIdentifier))
{
return(true);
}
string repIdentifier = rep.RepresentationIdentifier.Value;
//if it is defined as body then it is candidate but exclude if it is using a line base representation
if (String.Compare(repIdentifier, "body", StringComparison.OrdinalIgnoreCase) == 0 || String.Compare(repIdentifier, "facetation", StringComparison.OrdinalIgnoreCase) == 0)
{
//this should always be defined in an ifc2x3 schema but if it is not assume a solid
if (!rep.RepresentationType.HasValue)
{
return(true);
}
string repType = rep.RepresentationType.Value;
repType = repType.ToLowerInvariant();
//ignore line based body representations
//if (repType == "curve2d" || repType == "geometricset" || repType == "geometriccurveset" || repType == "annotation2d") return false;
//make sure we have a valid solid
switch (repType)
{
case "solidmodel":
case "surfacemodel":
case "sweptsolid":
case "brep":
case "csg":
case "clipping":
case "advancedsweptsolid":
case "boundingbox":
case "sectionedspine":
case "mappedrepresentation":
case "tessellation":
case "advancedbrep":
return(true);
//case "geometricset":
//case "geometriccurveset":
//case "annotation2d":
//case "curve2d":
default:
return(false);
}
}
else
{
return(false);
}
}
