public new void AddMaterialLayer(XbimMaterial material, double thickness, bool isVentilated, XbimMaterialFunctionEnum function)
{
if (!CanHaveOwnGeometry) throw new Exception("Roof has decomposing elements so it can not have its own material layers specified");
IfcMaterialLayer matLayer = _document.Model.Instances.New<IfcMaterialLayer>();
matLayer.Material = material.Material;
matLayer.LayerThickness = thickness;
if (IfcMaterialLayerSetUsage == null)
{
IfcMaterialLayerSet matLayerSet = _document.Model.Instances.New<IfcMaterialLayerSet>();
//create new material layer set and set its usage
_ifcBuildingElement.SetMaterialLayerSetUsage(matLayerSet, IfcLayerSetDirectionEnum.AXIS1, IfcDirectionSenseEnum.POSITIVE, 0);
}
IfcMaterialLayerSet layerSet = IfcMaterialLayerSetUsage.ForLayerSet;
layerSet.MaterialLayers.Add_Reversible(matLayer);
}
public IEnumerable<IfcBuildingElement> IsMadeOf(XbimMaterial material)
{
HashSet<IfcBuildingElement> elements = new HashSet<IfcBuildingElement>();
IEnumerable<IfcMaterialLayer> layers = _model.Instances.Where<IfcMaterialLayer>(l => l.Material == material.Material).Distinct();
//IEnumerable<IfcRelAssociatesMaterial> rels = _model.InstancesWhere<IfcRelAssociatesMaterial>(
// .Select<IfcRelAssociatesMaterial, IfcMaterialSelect>(rel => rel.RelatingMaterial).OfType<IfcMaterialLayerSetUsage>()
// .Select<IfcMaterialLayerSetUsage, IfcMaterialLayerSet>(lsu => lsu.ForLayerSet)
// .SelectMany<IfcMaterialLayerSet, IfcMaterialLayer>(ls => ls.MaterialLayers)
// .Where(ml => ml.Material == material.Material).Select(r);
//foreach (var rel in rels)
//{
// foreach (var obj in rel.RelatedObjects.OfType<IfcBuildingElement>())
// if (!elements.Contains(obj)) elements.Add(obj);
//}
return elements;
}
public void AddMaterialLayer(XbimMaterial material, double thickness, bool isVentilated, XbimMaterialFunctionEnum function)
{
IfcMaterialLayerSet materialLayerSet = _ifcBuildingElement.GetMaterial() as IfcMaterialLayerSet;
if (materialLayerSet == null)
{
materialLayerSet = _document.Model.Instances.New<IfcMaterialLayerSet>(/*set => set.LayerSetName = _ifcTypeProduct.Name*/);
_ifcBuildingElement.SetMaterial(materialLayerSet);
}
IfcMaterialLayer matLayer = _document.Model.Instances.New<IfcMaterialLayer>();
matLayer.LayerThickness = thickness;
matLayer.Material = material;
matLayer.IsVentilated = isVentilated;
materialLayerSet.MaterialLayers.Add_Reversible(matLayer);
int materialIndex = materialLayerSet.MaterialLayers.IndexOf(matLayer);
if (materialIndex < 0) return; //check if material exists in the material layer set
_ifcBuildingElement.SetPropertyTableItemValue("xbim_MaterialFunctionAssignment", "MaterialFunctionAssignment", (IfcInteger)materialIndex, (IfcLabel)Enum.GetName(typeof(XbimMaterialFunctionEnum), function));
}
public XbimMaterialFunctionEnum GetMaterialFunction(XbimMaterial material)
{
object funObj = IfcBuildingElement.GetPropertyTableItemValue("xbim_MaterialFunctionAssignment", "MaterialFunctionAssignment", (IfcLabel)material.Name);
if (funObj != null)
{
string function = (IfcLabel)funObj;
XbimMaterialFunctionEnum result = (XbimMaterialFunctionEnum)Enum.Parse(typeof(XbimMaterialFunctionEnum), function, true);
return result;
}
return XbimMaterialFunctionEnum.None;
}
public void SetMaterialFunction(XbimMaterial material, XbimMaterialFunctionEnum function)
{
IfcBuildingElement.SetPropertyTableItemValue("xbim_MaterialFunctionAssignment", "MaterialFunctionAssignment", (IfcLabel)material.Name, (IfcLabel)Enum.GetName(typeof(XbimMaterialFunctionEnum), function));
}