Conformance testing for computer graphics standards

This contribution introduces the Conformance Testing Services for Computer Graphics Standards. It describes the test software for the Graphical Kernel System (GKS), the GKS testing service and provides a list of all GKS implementations that were tested officially with the GKS Test Suite. Then the concepts of a planned conformity testing service for implementations of the Computer Graphics Interface (CGI) are presented. Other Test Services in the area of Computer Graphics Standards are also mentioned.