NAME

gluOrtho2D - define a 2D orthographic projection matrix

C SPECIFICATION

void gluOrtho2D( GLdouble left,

	GLdouble right,
	GLdouble bottom,
	GLdouble top )

PARAMETERS

left, right

Specify the coordinates for the left and right vertical clipping planes.

bottom, top

Specify the coordinates for the bottom and top horizontal clipping planes.

DESCRIPTION

gluOrtho2D sets up a two-dimensional orthographic viewing region. This is equivalent to calling glOrtho with $\mathrm{near}=-1$ and $\mathrm{far}=1$ .

SEE ALSO

glOrtho, gluPerspective