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Manual Reference Pages  - ortho2 (3)

NAME

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

CONTENTS

Synopsis
Description

SYNOPSIS

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. That is, Define x (left, right), and y (bottom, top) clipping planes.

All the projection routines define a new transformation matrix, and consequently the world units. Parallel projections are defined by ortho2.


ortho2 (3) March 11, 2021
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