ISO 10303-214:2010(E)
A Document_size_property specifies the size of a Document_file or of a Document_representation object. At least one of the optional attributes shall be specified for each instance of this object.
In the case where a Document_size_property is referred by a Document_representation, the size information is the sum of the sizes of all individual objects that are collected by this object, whereas in the case it is referred by a Document_file, the size information is the one of the individual objects that is referenced.
The data associated with a Document_size_property are the following:
The file_size specifies the Value_with_unit that represents the size of a digitally stored document. The file_size shall only be applied in cases where the Document_size_property is referred by a Digital_document or a Document_file.
EXAMPLE '15021 Bytes' and 'less than 500 Bytes' are examples for a file_size.
See document_size_property to value_with_unit for the application assertion.
The file_size need not be specified for a particular Document_size_property.
The page_count specifies the number of pages of the application object the Document_size_property is referred by. The page_count shall only be used in cases where the Document_size_property is referred by a Hardcopy or a Physical_representation.
EXAMPLE '42 pages' and 'more than 1 page' are examples of a page_count.
See document_size_property to value_with_unit for the application assertion.
The page_count need not be specified for a particular Document_size_property.
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