PGPLOT Module: PGQITF -- inquire image transfer function


SUBROUTINE PGQITF (ITF)
INTEGER ITF

Return the Image Transfer Function as set by default or by a previous
call to PGSITF. The Image Transfer Function is used by routines
PGIMAG, PGGRAY, and PGWEDG.


Arguments
ITF (output) : type of transfer function (see PGSITF)