Name:         PGQWIN

Purpose:      inquire window boundary coordinates

Category:     GRAPHICS

File:         pgplot.src

Author:       T.J. Pearson

Use:          see description below.

Description:

            SUBROUTINE PGQWIN (X1, X2, Y1, Y2)
            REAL X1, X2, Y1, Y2
      
       Inquiry routine to determine the current window setting.
       The values returned are world coordinates.
      
       Arguments:
        X1     (output) : the x-coordinate of the bottom left corner
                          of the window.
        X2     (output) : the x-coordinate of the top right corner
                          of the window.
        Y1     (output) : the y-coordinate of the bottom left corner
                          of the window.
        Y2     (output) : the y-coordinate of the top right corner
                          of the window.

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