Name:         PGQAH

Purpose:      inquire arrow-head style

Category:     GRAPHICS

File:         pgplot.src

Author:       T.J. Pearson

Use:          see description below.

Description:

            SUBROUTINE PGQAH (FS, ANGLE, BARB)
            INTEGER  FS
            REAL ANGLE, BARB
      
       Query the style to be used for arrowheads drawn with routine PGARRO.
      
       Argument:
        FS     (output) : FS = 1 => filled; FS = 2 => outline.
        ANGLE  (output) : the acute angle of the arrow point, in degrees.
        BARB   (output) : the fraction of the triangular arrow-head that
                          is cut away from the back. 

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