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NAME

       SoFaceDetail -

       The SoFaceDetail class is for storing detailed polygon information.

       Instances of this class are used among other things for storing information about polygons
       after pick operations, and for storing information returned to tessellation callbacks.

SYNOPSIS

       #include <Inventor/details/SoFaceDetail.h>

       Inherits SoDetail.

   Public Member Functions
       SoFaceDetail (void)
       virtual ~SoFaceDetail ()
       virtual SoDetail * copy (void) const
       int getNumPoints (void) const
       const SoPointDetail * getPoint (const int idx) const
       SoPointDetail * getPoints (void)
       int getFaceIndex (void) const
       int getPartIndex (void) const
       void setNumPoints (const int num)
       void setPoint (const int idx, const SoPointDetail *const detail)
       void setFaceIndex (const int idx)
       void setPartIndex (const int idx)
       void incFaceIndex (void)
       void incPartIndex (void)

   Static Public Member Functions
       static void initClass (void)

Detailed Description

       The SoFaceDetail class is for storing detailed polygon information.

       Instances of this class are used among other things for storing information about polygons
       after pick operations, and for storing information returned to tessellation callbacks.

       Note that a SoFaceDetail instance consists of a set of SoPointDetail instances, one for
       each vertex of the polygon it represents.

       See also:
           SoRayPickAction, SoPickedPoint, SoCallbackAction

Constructor & Destructor Documentation

   SoFaceDetail::SoFaceDetail (void) Default constructor sets up an empty, non-valid detail
       specification.
   SoFaceDetail::~SoFaceDetail () [virtual] Destructor, free internal resources used for storing
       the polygon vertices.

Member Function Documentation

   void SoFaceDetail::initClass (void) [static] Initialize relevant common data for all
       instances, like the type system.
       Reimplemented from SoDetail.

   SoDetail * SoFaceDetail::copy (void) const [virtual] Return a deep copy of ourself.
       Note that if the Coin library has been built as a DLL under Microsoft Windows and you use
       this method from application code, you must make sure that both the Coin DLL and the
       application executable is using the same instance of a C Run-Time (CRT) library.
       Otherwise, you will get memory heap corruption upon deallocating the returned instances,
       eventually leading to mysterious crashes.

       Implements SoDetail.

   int SoFaceDetail::getNumPoints (void) const Number of vertices making up the polygon.
   const SoPointDetail * SoFaceDetail::getPoint (const intidx) const Returns a pointer into the
       array of vertices, starting at the idx'th vertice of the polygon.
       The array will contain (SoFaceDetail::getNumPoints() - idx) elements.

   SoPointDetail * SoFaceDetail::getPoints (void) Returns the full array of vertice details for
       the polygon. The array will contain SoFaceDetail::getNumPoints() elements.
   int SoFaceDetail::getFaceIndex (void) const Returns the index of this polygon within the
       faceset node it is part of.
   int SoFaceDetail::getPartIndex (void) const If this SoFaceDetail represents a triangle
       tessellated from a complex shape, this method returns the index of the part of the complex
       shape it was tessellated from.
   void SoFaceDetail::setNumPoints (const intnum) Used internally from library client code
       setting up a SoFaceDetail instance.
       See also:
           getNumPoints()

   void SoFaceDetail::setPoint (const intidx, const SoPointDetail *constdetail) Used internally
       from library client code setting up a SoFaceDetail instance.
       See also:
           getPoint(), getPoints()

   void SoFaceDetail::setFaceIndex (const intidx) Used internally from library client code
       setting up a SoFaceDetail instance.
       See also:
           getFaceIndex()

   void SoFaceDetail::setPartIndex (const intidx) Used internally from library client code
       setting up a SoFaceDetail instance.
       See also:
           getPartIndex()

   void SoFaceDetail::incFaceIndex (void) Used internally from library client code setting up a
       SoFaceDetail instance.
       This function is specific for Coin, and is not present in SGI/TGS Open Inventor.

   void SoFaceDetail::incPartIndex (void) Used internally from library client code setting up a
       SoFaceDetail instance.
       This function is specific for Coin, and is not present in SGI/TGS Open Inventor.

Author

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