glgetclipplane man page on SunOS

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GLGETCLIPPLANE(3gl)					   GLGETCLIPPLANE(3gl)

NAME
       glGetClipPlane  -  return  the  coefficients  of the specified clipping
       plane

C SPECIFICATION
       void glGetClipPlane( GLenum plane,
			    GLdouble *equation )

PARAMETERS
       plane	 Specifies a clipping plane.  The number  of  clipping	planes
		 depends  on  the  implementation,  but	 at least six clipping
		 planes are supported.	They are identified by symbolic	 names
		 of the form GL_CLIP_PLANEi where 0 ≤ i < GL_MAX_CLIP_PLANES.

       equation	 Returns  four	double-precision  values  that are the coeffi‐
		 cients of the plane equation of  plane	 in  eye  coordinates.
		 The initial value is (0, 0, 0, 0).

DESCRIPTION
       glGetClipPlane  returns	in equation the four coefficients of the plane
       equation for plane.

NOTES
       It is always the case that GL_CLIP_PLANEi = GL_CLIP_PLANE0 + i.

       If an error is generated, no change is made to the  contents  of	 equa‐
       tion.

ERRORS
       GL_INVALID_ENUM is generated if plane is not an accepted value.

       GL_INVALID_OPERATION is generated if glGetClipPlane is executed between
       the execution of glBegin and the corresponding execution of glEnd.

SEE ALSO
       glClipPlane

				   15 Mar 97		   GLGETCLIPPLANE(3gl)
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