GB/T 16656.46-1998 in English

《GB/T 16656.46-1998工业自动化系统和集成 产品数据表达与交换 第46部分:集成通用资源:可视化显示》由TC159（全国自动化系统与集成标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定可显示产品信息的可视化显示的集成资源。本标准规定在其画面中描述产品信息所希望的可视特征所需要的通用资源。

Scope

This standard specifies integrated resources that can display visual displays of product messages. Display data provided by this standard is combined with product data and together they are exchanged between systems. The purpose is to enable the receiving system to construct one or more pictures of product information suitable for people's understanding. This International Standard specifies the available resources required to describe the desired visual characteristics of product information in its screens. The white receiving system actually generates the screen based on the product information and its display data. Due to the limitations of graphics system capabilities, the actual picture may deviate from the object. Product information may be visualized in two ways: one through realistic, life-like image representations based on projective geometry and the laws of light propagation and reflection; the other through symbolic representations consistent with cartographic standards and conventions Way. Both types of displays are supported by this standard. These two types of visualization require different kinds of graphical transformations, and they can be combined in the same picture. The following content is within the scope of this standard: --The relationship between product data and display data defined by other parts of GB/T 16656; --The graphics function supported according to the current ISO graphics standard; --The product information Definition of display style attributes for the fidelity of geometric and non-geometric displayable elements and the visualization of symbols; --Control of approximation tolerances for geometric display elements; --Methods for defining external representations of characters and symbols by font; --External Support for defining character fonts and symbols; --Image control using the layer mechanism; --Nesting of display areas.