NAME

       SoComposeRotationFromTo -

       The SoComposeRotationFromTo class is used to compose rotations based on from and to
       vectors.

SYNOPSIS

       Inherits SoEngine.

   Public Member Functions
       virtual SoType getTypeId (void) const
           Returns the type identification of an object derived from a class inheriting SoBase.
           This is used for run-time type checking and 'downward' casting.
       virtual const SoFieldData * getFieldData (void) const
       virtual const SoEngineOutputData * getOutputData (void) const

   Static Public Member Functions
       static SoType getClassTypeId (void)
       static void * createInstance (void)
       static void initClass ()

   Public Attributes
       SoMFVec3f from
       SoMFVec3f to
       SoEngineOutput rotation

   Static Protected Member Functions
       static const SoFieldData ** getInputDataPtr (void)
       static const SoEngineOutputData ** getOutputDataPtr (void)

   Additional Inherited Members

Detailed Description

       The SoComposeRotationFromTo class is used to compose rotations based on from and to
       vectors.

Member Function Documentation

   SoType SoComposeRotationFromTo::getTypeId (void) const [virtual]
       Returns the type identification of an object derived from a class inheriting SoBase. This
       is used for run-time type checking and 'downward' casting. Usage example:

       void foo(SoNode * node)
       {
         if (node->getTypeId() == SoFile::getClassTypeId()) {
           SoFile * filenode = (SoFile *)node;  // safe downward cast, knows the type
         }
       }

       For application programmers wanting to extend the library with new nodes, engines,
       nodekits, draggers or others: this method needs to be overridden in all subclasses. This
       is typically done as part of setting up the full type system for extension classes, which
       is usually accomplished by using the pre-defined macros available through for instance
       Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes),
       Inventor/engines/SoSubEngine.h (for engine classes) and so on.

       For more information on writing Coin extensions, see the class documentation of the
       toplevel superclasses for the various class groups.

       Implements SoBase.

   const SoFieldData * SoComposeRotationFromTo::getFieldData (void) const [virtual]
       Returns a pointer to the class-wide field data storage object for this instance. If no
       fields are present, returns NULL.

       Reimplemented from SoFieldContainer.

   const SoEngineOutputData * SoComposeRotationFromTo::getOutputData (void) const [virtual]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

       Implements SoEngine.

Member Data Documentation

   SoMFVec3f SoComposeRotationFromTo::from
       Set of input vectors to rotate from.

   SoMFVec3f SoComposeRotationFromTo::to
       Set of input vectors to rotate to.

   SoEngineOutput SoComposeRotationFromTo::rotation
       (SoMFRotation) Set of output rotations, where each element is the rotation you need to
       apply to the from vector (of the same index) to make it point in the to direction.

Author

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