gluOrtho2D()gluOrtho2D()NAMEgluOrtho2D - define a 2D orthographic projection matrix
SYNOPSIS
void gluOrtho2D(
GLdouble left,
GLdouble right,
GLdouble bottom,
GLdouble top );
PARAMETERS
Specify the coordinates for the left and right vertical clipping
planes. Specify the coordinates for the bottom and top horizontal
clipping planes.
DESCRIPTIONgluOrtho2D() sets up a two-dimensional orthographic viewing region.
This is equivalent to calling glOrtho() with near = -1 and far = 1.
SEE ALSOglOrtho(3), gluPerspective(3)gluOrtho2D()