NBN EN 28805 : 1993

National foreword
Committees responsible
Specification
0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 The Graphical Kernel System for Three Dimensions
5 GKS-3D functions
6 GKS-3D data structures
Annexes
A Function lists
B Error list
C Interfaces
D Allowable differences in GKS-3D implementations
E Metafile structures
F Sample programs
G GKS-3D functions summary
H Colour models
Tables
1 GKS-3D level concept
2 Minimum support required at each level
3 GKS-3D functions and workstation categories to which
    they apply
4 GKS-3D functions and their effect on GKSM output
    workstations
Figures
1 Layer model of GKS-3D
2 Binding of attributes
3 Font description coordinate system
4 Effects of changes in geometric text attributes
5 Effects of changes in non-geometric text aspects
6 Effects of combined changes in text aspects
7 Effects of several changes in text aspects
8 Effects of different normalization transformations
    on text in STROKE precision
10 Data flow chart for graphical output in GKS-3D
11 Data flow chart for locator input
12 The GKS-3D viewing pipeline
13 Interpretation of the view index on active
    workstations
14 Viewing model for view representation
15 Parallel projection view volume
16 Perspective projection view volume
17 Formation of V axis in VRC system
18 The relationship between the measure and trigger for
    different operating modes, illustrated for a single
    logical input device
19 Relationship between GKS-3D and GKSM
20 Some transitions between operating states
21 Examples of FILL AREA and FILL AREA SET clipping
22 Area inside a polygon
23 Mapping of CELL ARRAY 3
24 Examples of replies to INQUIRE TEXT EXTENT with
    different text attributes

Specifies Graphical Kernal System for Three Dimensions used in computer graphics programming, relating to particular languages.