private static string MaterialToString(IFCAnyHandle handle)
{
IFCMaterial material = IFCMaterial.ProcessIFCMaterial(handle);
if (material != null)
{
return(material.Name);
}
return(null);
}
/// <summary>
/// Set a transparent material (by default) for spaces and openings.
/// </summary>
/// <param name="doc">The document.</param>
/// <param name="category">The category class.</param>
/// <param name="id">The id of the generating entity.</param>
/// <param name="subCategoryName">The name of the created (sub-)category.</param>
private static void SetMaterialForSpacesAndOpenings(Document doc, int id, Category category, string subCategoryName)
{
IFCMaterialInfo materialInfo = null;
if (String.Compare(subCategoryName, "IfcOpeningElement", true) == 0)
{
materialInfo = IFCMaterialInfo.Create(new Color(255, 165, 0), 64, null, null, ElementId.InvalidElementId);
}
else if (String.Compare(subCategoryName, "IfcSpace", true) == 0)
{
materialInfo = IFCMaterialInfo.Create(new Color(164, 232, 232), 64, null, null, ElementId.InvalidElementId);
}
if (materialInfo != null)
{
ElementId createdElementId = IFCMaterial.CreateMaterialElem(doc, id, subCategoryName, materialInfo);
if (createdElementId != ElementId.InvalidElementId)
{
Material material = doc.GetElement(createdElementId) as Material;
category.Material = material;
}
}
}
/// <summary>
/// Returns an ElementId value corresponding to an handle based on its entity type.
/// </summary>
/// <param name="handle">The entity handle that contains information to relate to the user in string format.</param>
/// <returns>The representation of the data as an ElementId, if valid.</returns>
static public ElementId ToElementId(IFCAnyHandle handle)
{
ElementId valueAsElementId = ElementId.InvalidElementId;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(handle))
{
return(valueAsElementId);
}
IFCEntityType handleType = IFCAnyHandleUtil.GetEntityType(handle);
switch (handleType)
{
case IFCEntityType.IfcMaterial:
IFCMaterial material = IFCMaterial.ProcessIFCMaterial(handle);
if (material != null)
{
valueAsElementId = material.GetMaterialElementId();
}
break;
}
return(valueAsElementId);
}
