Standard No.:	GB/T 16656.503-2004
English Name:	Industrial automation systems and integration - Product data representation and exchange - Part 503:Application interpreted construct:Geometrically bounded 2D wireframe
Chinese Name:	工业自动化系统与集成 产品数据表达与交换 第503部分：应用解释构造：几何有界二维线框
Chinese Classification:	L67    Computer application
Professional Classification:	GB    National Standard
ICS Classification:	35.240.50 35.240.50    IT applications in industry 35.240.50
Issued by:	AQSIQ; SAC
Issued on:	2004-4-9
Implemented on:	2004-12-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.00
Delivery:	via email in 1~3 business day

为了满足用二维几何有界线框模型表达产品形状的需求，GB/T16656的本部分规定了与此相关的集成资源的解释构造。本部分适用于：——二维坐标空间中定义的点；——二维坐标空间中定义的、用点和曲线裁剪得到的曲线；——二维坐标空间中定义的自相交曲线；——单线框模型或多线框模型组合的表达。本部分不适用于：——三维坐标空间定义的几何形状；——非裁剪或非自相交的曲线。