gluOrtho2D.3G - Man Page

define a 2D orthographic projection matrix

C Specification

void gluOrtho2D( GLdouble left,

	GLdouble right,
	GLdouble bottom,
	GLdouble top )


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.


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

See Also

glOrtho(3G), gluPerspective(3G)

Referenced By