Name:         PGQITF

Purpose:      inquire image transfer function

Category:     GRAPHICS

File:         pgplot.src

Author:       T.J. Pearson

Use:          see description below.

Description:

            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.
      
       Argument:
        ITF    (output) : type of transfer function (see PGSITF)

Updates:      Oct 16, 1998: JPT automatically extracted from source.