18.9. Other Routines of G.K.S.     
 There are many more routines in the GKS system (see table
below)  to  enable the user to define windows, viewports,
configurations for workstations, the representation for lines,
text, markers and areas, etc.
 The parameters of each subroutine are listed with an
indication of whether they are input (In) or output (Out), their
and their meaning.  Some parameters specify a number of options,
which in PASCAL would be of enumeration type. In the FORTRANN 77
binding, these are expressed as integers.
 
   GKS Name                               FORTRANN 77 Name
   ACCUMULATE TRANSFORMATION MATRIX          GACTM
   ACTIVATE WORKSTATION                    GACWK
   ASSOCIATE SEGMENT WITH WORKSTATION        GASGWK
   AWAIT EVENT                             GAWE
   CELL ARRAY                              GCA
   CLEAR WORKSTATION                       GCLRWK
   CLOSE GKS                              GCLWK
   CLOSE SEGMENT                           GCLSG
   CLOSE WORKSTATION                       GCSGWK
   CREATE SEGMENT                          GCRSG
   DEACTIVATE WORKSTATION                   GDAWK
   DELETE SEGMENT                          GDSG
   OPEN GKS                               GOPKS
   OPEN WORKSTATION                        GOPWK
   PACK DATA RECORD (Language Binding)       GUPDRC
   POLYLINE                               GPL
   POLYMARKER                              GPM
   READ ITEM FROM GKSM                     GRSGWK
   RENAME SEGMENT                          GRENSG
   REQUEST CHOICE                          GRQCH
   REQUEST LOCATOR                         GRQLC
   REQUEST PICK                            GRQPC
   REQUEST STRING                          GRQST
   REQUEST STROKE                          GRQSK
   REQUEST VALUATOR                        GRQVL
   SAMPLE CHOICE                           GSMCH
   SAMPLE LOCATOR                          GSMLC
  
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