The ROOM program is an interactive GKS graphics program.  Source code for
   this program, suitable for compilation using either VS FORTRAN or FORTRAN
   IV compilers, is included on your GDDM-GKS distribution tape.

Subtopics:

• 2.3.2.1 Program objectives
• 2.3.2.2 ROOM program outline
• 2.3.2.3 Initializing GKS
• 2.3.2.4 Opening and activating workstations
• 2.3.2.5 Normalization and workstation transformations
• 2.3.2.6 Primitives and segments
• 2.3.2.7 Choice input
• 2.3.2.8 Pick input
• 2.3.2.9 Creating a new segment
• 2.3.2.10 Locator input
• 2.3.2.11 Segment transformations
• 2.3.2.12 Valuator input
• 2.3.2.13 Accumulating transformation matrixes
• 2.3.2.14 Deleting a segment
• 2.3.2.15 Deactivating and closing workstations
• 2.3.2.16 Closing GKS