public static string GeomInfoBoundBox(XbimModel model, int iEntLabel)
{
XbimGeometryData geomdata = model.GetGeometryData(iEntLabel, XbimGeometryType.BoundingBox).FirstOrDefault();
if (geomdata == null)
{
return("<not found>");
}
XbimRect3D r3d = XbimRect3D.FromArray(geomdata.ShapeData);
return(string.Format("Bounding box (position, size): {0}", r3d.ToString()));
}
/// <summary>
/// 获取一个指定实体的信息，包括express属性信息和definedbyProperties信息
/// 其中，express属性只获取直接有值的，不获取引用的
/// 另外，express属性也获取了几何表达形式IfcProductDefinitionShape
/// </summary>
/// <param name="entity">实体，IfcProduct的子类</param>
/// <returns></returns>
public Entity getBasicInfo(IPersistEntity entity)
{
ObservableCollection <PropertyItem> properties = new ObservableCollection <PropertyItem>();
FillObjectData(entity, properties);
Entity newEntity = new Entity();
newEntity.LABEL = entity.EntityLabel;
foreach (var prop in properties)
{
if (prop.Name == "GlobalId")
{
newEntity.GUID = prop.Value;
}
else if (prop.Name == "Type")
{
newEntity.TYPE = prop.Value;
}
else
{
//属性对应的IFCLABEL=0，代表这个属性是EXPRESS中的一个直接用text或者number就可以表示的一种属性
//并不是一个引用
if (prop.IfcLabel == 0)
{
newEntity.properties.Add(prop.Name, prop.Value);
}
//专门处理几何信息
if (prop.Value == "IfcProductDefinitionShape")
{
var value = string.Join(",", getRepresentation(prop.IfcLabel));
newEntity.properties.Add(prop.Name, value);
}
}
//Console.WriteLine(prop.Name + " " + prop.Value+ " "+ prop.IfcLabel);
}
ObservableCollection <PropertyItem> properties2 = new ObservableCollection <PropertyItem>();
FillPropertyData(entity, properties2);
foreach (var prop in properties2)
{
if (!newEntity.properties.ContainsKey(prop.Name))
{
newEntity.properties.Add(prop.Name, prop.Value);
}
//Console.WriteLine(prop.Name + " " + prop.Value + " " + prop.IfcLabel);
}
var toproduct = entity as IIfcProduct;
XbimRect3D AABB = GetAABB(toproduct);
if (AABB.IsEmpty)
{
newEntity.AABB = "";
}
else
{
newEntity.AABB = AABB.ToString();
}
return(newEntity);
}
public override string ToString()
{
return(string.Format("{0},{1},{2},{3},{4},{5},{6},{7},{8}", _shapeLabel, _ifcShapeLabel, _geometryHash, _shapeLabel, _referenceCount, LOD, _format, _boundingBox.ToString(), _shapeData));
}