NAME    [Toc]    [Back]

       glGetClipPlane  - return the coefficients of the specified
       clipping plane

SYNOPSIS    [Toc]    [Back]

       void glGetClipPlane(
               GLenum plane,
               GLdouble *equation );

PARAMETERS    [Toc]    [Back]

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

DESCRIPTION    [Toc]    [Back]

       glGetClipPlane() returns in equation the four coefficients
       of the plane equation for plane.

NOTES    [Toc]    [Back]

       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 equation.

ERRORS    [Toc]    [Back]

       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    [Toc]    [Back]

       glClipPlane(3)



                                               glGetClipPlane(3G)