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Manual Reference Pages  - vinit (3)

NAME
vinit(3f) - [M_pixel] initialize pixel graphics module (LICENSE:PD)

CONTENTS

Synopsis
Description
Options
Example
Author
License

SYNOPSIS
definition: 

  subroutine vinit()

DESCRIPTION
Initialize the pixel graphics module. The pixel array P_pixel and the colormap P_ColorMap are directly accessible after the call to allow display or printing

OPTIONS

EXAMPLE
Sample program: 

     program demo_vinit
     use M_pixel, only    : prefsize, vinit, ortho2, clear
     use M_pixel, only    : move2, draw2, vexit, color
     use M_pixel, only    : P_pixel, P_colormap
     use M_writegif, only : writegif
     implicit none
        call prefsize(60,40)
        call vinit()
        call ortho2(-300.0,300.0,-200.0,200.0)
        call clear(0)
        call color(1)
        call move2(-300.0,-200.0)
        call draw2(300.0,200.0)
        call move2(300.0,-200.0)
        call draw2(-300.0,200.0)
        call writegif(’vinit.3m_pixel.gif’,P_pixel,P_colormap)
        call vexit()
     end program demo_vinit

AUTHOR
John S. Urban

LICENSE
Public Domain

vinit (3) March 11, 2021
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