C Library Functions - 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.
| Nemo Release 3.1 | ortho2 (3) | August 28, 2026 |
