Qto_CourseBaseQuantities IfcCourse IfcCourse Length The length of the object. Q_LENGTH Width The width of the object. Only given, if the object has constant thickness (prismatic). Q_LENGTH Thickness The geometric thickness of the object. Q_LENGTH Volume Volume of the element. Q_VOLUME GrossVolume Total gross volume of the object. Openings, recesses, enclosed objects and projections are not taken into account. Q_VOLUME Bruttovolumen Gross Volume 体積 Bruttovolumen der Decke. Alle Öffnungen werden übermessen. スラブの体積。開口、へこみなどを考慮しない。 Weight Total weight of object Q_WEIGHT