clearh(3G)

clearh - sets the hitcode to zero

As shipped in IRIX 6.5.5. Unchanged since IRIX 6.5.

NAME
     clearh - sets the hitcode to zero

FORTRAN 77 SPECIFICATION
     subroutine clearh

PARAMETERS
     none

DESCRIPTION
     clearh clears the global variable hitcode, which records clipping plane
     hits in picking and selecting modes.

SEE ALSO
     gethitcode, gselect, pick

NOTES
     This routine is available only in immediate mode.

     This routine only functions on IRIS-4D B and G models, and therefore we
     advise against its use in new development.