Editing IFC attributes and properties
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Attributes and properties are two ways to assign extra metadata to an IFC class. Although they sound similar, they are not the same. | Attributes and properties are two ways to assign extra metadata to an IFC class. Although they sound similar, they are not the same. | ||
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Unlike attributes, which exist on all IFC classes, not all Psets or Qtos can be assigned to any IFC class. For example, the <code>Pset_WallCommon</code> Pset can only be assigned to <code>IfcWall</code> classes. In contrast, the <code>Pset_ConcreteElementGeneral</code> Pset can be assigned to more than 10 different types of IFC classes, which include <code>IfcWall</code>, as well as others like <code>IfcBeam</code> and <code>IfcColumn</code>. The specification defines which Psets and Qtos can be assigned to which IFC classes. If you have created your own Pset, you are free to assign it to any class. | Unlike attributes, which exist on all IFC classes, not all Psets or Qtos can be assigned to any IFC class. For example, the <code>Pset_WallCommon</code> Pset can only be assigned to <code>IfcWall</code> classes. In contrast, the <code>Pset_ConcreteElementGeneral</code> Pset can be assigned to more than 10 different types of IFC classes, which include <code>IfcWall</code>, as well as others like <code>IfcBeam</code> and <code>IfcColumn</code>. The specification defines which Psets and Qtos can be assigned to which IFC classes. If you have created your own Pset, you are free to assign it to any class. | ||
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