ISO 10303-46:1994

Specifies the integrated resources for the visualization of displayable product information and the generic resources required to describe the desired visual appearance of product information in its picture. Covers association between product data and presentation data; support of graphics functionality in compliance with current ISO graphics standards; definition of presentation style attributes; control of approximation tolerances for geometric presentation elements; methods for defining the appearance of characters and symbols in fonts; support of externally defined character fonts and symbols; image control by a layer mechanism; nesting of presentation areas. Does not cover: Definition of product information and of the contents of character font and symbol libraries; exchange of purely graphical information without any relationship to product information.