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       SoClipPlaneElement -

       The SoClipPlaneElement class is used to manage the clip plane stack.


       #include <Inventor/elements/SoClipPlaneElement.h>

       Inherits SoAccumulatedElement.

       Inherited by SoGLClipPlaneElement.

   Public Member Functions
       virtual void init (SoState *state)
       virtual void push (SoState *state)
       int getNum (void) const
       const SbPlane & get (const int index, const SbBool inworldspace=TRUE) const

   Static Public Member Functions
       static SoType getClassTypeId (void)
       static int getClassStackIndex (void)
       static void * createInstance (void)
       static void initClass (void)
       static void add (SoState *const state, SoNode *const node, const SbPlane &plane)
       static const SoClipPlaneElement * getInstance (SoState *const state)

   Protected Member Functions
       virtual ~SoClipPlaneElement ()
       virtual void addToElt (const SbPlane &plane, const SbMatrix &modelmatrix)

   Protected Attributes
       SbList< so_plane_data > planes
       int startIndex

   Additional Inherited Members

Detailed Description

       The SoClipPlaneElement class is used to manage the clip plane stack.

Constructor & Destructor Documentation

   SoClipPlaneElement::~SoClipPlaneElement () [protected],  [virtual]
       The destructor.

Member Function Documentation

   void * SoClipPlaneElement::createInstance (void) [static]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

   void SoClipPlaneElement::init (SoState *state) [virtual]
       This function initializes the element type in the given SoState. It is called for the
       first element of each enabled element type in SoState objects.

       Reimplemented from SoAccumulatedElement.

       Reimplemented in SoGLClipPlaneElement.

   void SoClipPlaneElement::push (SoState *state) [virtual]
       This method is called every time a new element is required in one of the stacks. This
       happens when a writable element is requested, using SoState::getElement() or indirectly
       SoElement::getElement(), and the depth of the current element is less than the state

       Override this method if your element needs to copy data from the previous top of stack.
       The push() method is called on the new element, and the previous element can be found
       using SoElement::getNextInStack().

       Reimplemented from SoAccumulatedElement.

   void SoClipPlaneElement::add (SoState *conststate, SoNode *constnode, const SbPlane &plane)
       Adds plane as an active plane. Calls addToElt() to do the job.

   const SoClipPlaneElement * SoClipPlaneElement::getInstance (SoState *conststate) [static]
       Returns the current (top-of-stack) element.

   int SoClipPlaneElement::getNum (void) const
       Returns the current number of active clipping planes.

   const SbPlane & SoClipPlaneElement::get (const intindex, const SbBoolinworldspace = TRUE)
       Returns the 'th plane.

   void SoClipPlaneElement::addToElt (const SbPlane &plane, const SbMatrix &modelMatrix)
       [protected],  [virtual]
       This method adds the clipping plane, plane, to an instance. modelmatrix is the current
       model matrix.

       Reimplemented in SoGLClipPlaneElement.

Member Data Documentation

   SoClipPlaneElement::planes [protected]
       List of currently active planes.

   SoClipPlaneElement::startIndex [protected]
       Index of first clip plane in this element. Used to disable clip planes in


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