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gluOrtho2D()


NAME

  gluOrtho2D - define a 2D orthographic projection matrix


SYNOPSIS

  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(3), gluPerspective(3)

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