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Manual Reference Pages  - getviewport (3)

NAME
getviewport(3f) - [M_draw:VIEWPORT] Returns limits of current viewport in screen coordinates (LICENSE:PD)

CONTENTS

Synopsis
Description
Options

SYNOPSIS
subroutine getviewport(left, right, bottom, top) real,intent(out) :: left real,intent(out) :: right real,intent(out) :: bottom real,intent(out) :: top

DESCRIPTION

Returns the left, right, bottom and top limits of the current viewport in screen coordinates (-1.0 to 1.0). 

   If a device has been declared to be real :: array(600,400)


        o-----> X                         (right=600,top=0)
        | #------------------------------------#
        | |                                    |
        | |                                    |
        V |                                    |
        Y |                                    |
          #------------------------------------#
(left=0,bottom=400)

OPTIONS
LEFT value for left side
RIGHT value for right side
BOTTOM value for bottom side
TOP value for top side

getviewport (3) March 11, 2021
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