redhat man page for gluortho2d

GLUORTHO2D(3G)															    GLUORTHO2D(3G)

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 near=-1 and far=1.

SEE ALSO
       glOrtho(3G), gluPerspective(3G)

																    GLUORTHO2D(3G)