Function:     GDI_SETYGRID

Purpose:      Set text for Y grid coordinates.

Category:     DISPLAY

File:         gdilib.c

Author:       K.G. Begeman

Use:          INTEGER GDI_SETYGRID( ID    ,   Input   INTEGER
                                    TEXT  ,   Input   CHARACTER*(*) ARRAY
                                    YSIZE )   Input   INTEGER

              GDI_SETYGRID  Return 0 on success, negative on error.
              ID            Display id, i.e. returned from GDI_OPEN.
              TEXT          Text to be displayed on display instead of
                            grid coordinates. Usually only 7 characters
                            are used.
              YSIZE         Number of items in TEXT. Must be equal to
                            the size as defined with gdi_defimg.

Notes:        The call to gds_setygrid should immediately follow the call to
              gdi_defimg.

Updates:      Aug 23, 1993: KGB, Document created.