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GLUORTHO2D()							    GLUORTHO2D()

NAME
     gluOrtho2D - define a 2D orthographic projection matrix

C SPECIFICATION
     void gluOrtho2D( GLdouble left,
		      GLdouble right,
		      GLdouble bottom,
		      GLdouble top )

     delim $$

PARAMETERS
     left, right
		 Specify  the  coordinates for the left and right vertical clip-
		 ping planes.

     bottom, top
		 Specify the coordinates for the bottom and top horizontal clip-
		 ping 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, gluPerspective

								    GLUORTHO2D()

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