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Manual Reference Pages  - ortho2 (3)

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NAME

ortho2(3f) - [M_pixel] define the area of the virtual world coordinates to map to the viewport (LICENSE:PD)

CONTENTS

Synopsis
Description
Example
Author
License

SYNOPSIS

definition:

   subroutine ortho2(left, right, bottom, top)
   real,intent(in) :: left, right, bottom, top

DESCRIPTION

Defines the section of the virtual world coordinates to map to the viewport. All the projection routines define a new transformation matrix, and consequently the world units. Parallel projections are defined by ortho2.

EXAMPLE

AUTHOR

John S. Urban

LICENSE

Public Domain

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ortho2 (3)

March 11, 2021

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