1 Introduction - Reference Models, Interfaces, Integration Issues.- 1.1 Goals in the Application of CAD Interfaces.- 1.2 Interfaces and Data Transfer Formats in Computer Graphics Systems.- 1.3 CAD/CAM: Integration in the Automobile Industry.- 1.4 Interfaces for CAD Applications.- 2 Graphics Systems - Graphical Standards - GKS.- 2.1 Graphical Standards.- 2.2 GKS and Intelligent Terminals.- 2.3 Tektronix PLOT 10 GKS - Tailored for Customer's Needs.- 2.4 Common Graphics Manager - Design Concepts.- 2.5 GKSGRAL - Software and Hardware Realizations of the Graphical Kernel System.- 3 Initial Graphics Exchange Specifications - Implementation, Experience.- 3.1 Product Data Exchange; Design and Implementation of IGES Processors.- 3.2 Experience Gained Using the IGES Interface for CAD/CAM Data Transfer.- 4 VDAFS - Functionalities, Approximation Methods, Implementation, Experience.- 4.1 VDAFS - A Pragmatic Interface for the Exchange of Sculptured Surface Data.- 4.2 Approximation Methods Used in the Exchange of Geometric Information via the VDA/VDMA Surface Interface 150.- 4.3 A Tentative Implementation of VDAFS.- 4.4 Implementation of a VDA Interface in the CAD System STRIM 100.- 4.5 The Implementation of the VDAFS Geometric Data Interface on Computervision's CDS 4000 CAD/CAM System.- 4.6 Experience with VDAFS.- 5 Specification and Validation.- 5.1 Specification of Interfaces: A Case Study of Data Exchange Languages.- 5.2 Validation of Graphics Systems.- 5.3 Testing and Validation of IGES Processors.- 6 Outlook.- 6.1 Progress in the Development of CAD/CAM Interfaces for Transfer of Product Definition Data.- Contributors.
