Rudalics, M.P.J.W. ten Hagen2015-09-292015-09-2919831017-4656https://doi.org/10.2312/eg.19831029The Intelligent Graphics Terminal's Intermediate Database (INGRID) handles storage, retrieval and manipulation of the description of graphic items in the memory of an Intelligent Graphics Terminal. INGRID combines on one storage level the concepts of a Workstation Dependent Segment Storage, as described in the Graphical Kernel System (GKS) , and a display list for a workstation providing output of graphic primitives in store and refresh mode.10.2312/eg.19831029