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							  SoScale2Dragger(3IV)

NAME
     SoScale2Dragger (SoScale2Drag) - object you can scale in two dimensions
     by dragging with the mouse

INHERITS FROM
     SoBase > SoFieldContainer > SoNode > SoBaseKit > SoInteractionKit >
     SoDragger > SoScale2Dragger

SYNOPSIS
     #include <Inventor_c/draggers/SoScale2Dragger.h>

     typedef SoScale2Dragger  SoScale2Drag

	  Fields from class SoScale2Dragger:

     SoSFVec3f		 scaleFactor

	  Fields from class SoDragger:

     SoSFBool		 isActive

	  Fields from class SoInteractionKit:

     SoSFEnum		 renderCaching
     SoSFEnum		 boundingBoxCaching
     SoSFEnum		 renderCulling
     SoSFEnum		 pickCulling

	  Parts from class SoBaseKit:

     (SoNodeKitListPart)  callbackList

	  Functions from class SoScale2Dragger:

     SoScale2Dragger *	       SoScale2DragCreate()
     const SoNodekitCatalog *  SoScale2DragGetClassNkitCat()
     SoType		       SoScale2DragGetClassTypeId()

	  Functions from class SoDragger:

     void		 SoScale2DragAddStartCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)
     void		 SoScale2DragRemoveStartCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)
     void		 SoScale2DragAddMotionCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)
     void		 SoScale2DragRemoveMotionCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)
     void		 SoScale2DragAddFinishCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)
     void		 SoScale2DragRemoveFinishCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)

Page 1

SoScale2Dragger(3IV)

     void		 SoScale2DragAddValueChangedCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)
     void		 SoScale2DragRemoveValueChangedCB(SoScale2Drag *this,
			      SoDraggerCB *f, void *userData = NULL)
     SbBool		 SoScale2DragEnableValueChangedCBs(SoScale2Drag *this)
     void		 SoScale2DragSetMinGesture(SoScale2Drag *this, int
			      pixels)
     int		 SoScale2DragGetMinGesture(const SoScale2Drag *this)
     void		 SoScale2DragSetMinScale(float newMinScale)
     float		 SoScale2DragGetMinScale()

	  Functions from class SoInteractionKit:

     SbBool		 SoScale2DragSetPartAsPath(SoScale2Drag *this, const
			      char *partName, SoPath *surrogatePath )

	  Functions from class SoBaseKit:

     const SoNodekitCatalog *  SoScale2DragGetCat(const SoScale2Drag *this)
     SoNode *		       SoScale2DragGetPart(SoScale2Drag *this, const
				    char *partName, SbBool makeIfNeeded)
     SbString		       SoScale2DragGetPartString(SoScale2Drag *this,
				    const SoBase *part)
     SoNodeKitPath *	       SoScale2DragCreatePathToPart(SoScale2Drag
				    *this, const char *partName, SbBool
				    makeIfNeeded, const SoPath *pathToExtend =
				    NULL)
     SbBool		       SoScale2DragSetPart(SoScale2Drag *this, const
				    char *partName, SoNode *newPart)
     SbBool		       SoScale2DragSet(SoScale2Drag *this, char
				    *partName, char *parameters)
     SbBool		       SoScale2DragSet2(SoScale2Drag *this, char
				    *nameValuePairs)
     SbBool		       SoScale2DragIsSearchingChildren()
     void		       SoScale2DragSetSearchingChildren(SbBool newVal)

	  Functions from class SoNode:

     void		 SoScale2DragSetOverride(SoScale2Drag *this, SbBool
			      state)
     SbBool		 SoScale2DragIsOverride(const SoScale2Drag *this)
     SoNode *		 SoScale2DragCopy(const SoScale2Drag *this, SbBool
			      copyConnections = FALSE)
     SbBool		 SoScale2DragAffectsState(const SoScale2Drag *this)
     SoNode *		 SoScale2DragGetByName(const char *name)
     int		 SoScale2DragGetByNameList(const char *name,
			      SoNodeList *list)

	  Functions from class SoFieldContainer:

     void		 SoScale2DragSetToDflts(SoScale2Drag *this)

Page 2

							  SoScale2Dragger(3IV)

     SbBool		 SoScale2DragHasDfltVals(const SoScale2Drag *this)
     SbBool		 SoScale2DragFldsAreEq(const SoScale2Drag *this, const
			      SoFieldContainer *fc)
     void		 SoScale2DragCopyFieldVals(SoScale2Drag *this, const
			      SoFieldContainer *fc, SbBool copyConnections =
			      FALSE)
     void		 SoScale2DragGet(SoScale2Drag *this, SbString
			      *fieldDataString)
     int		 SoScale2DragGetFields(const SoScale2Drag *this,
			      SoFieldList *resultList)
     SoField *		 SoScale2DragGetField(const SoScale2Drag *this, const
			      char *fieldName)
     SbBool		 SoScale2DragGetFieldName(const SoScale2Drag *this,
			      const SoField *field, SbName *fieldName)
     SbBool		 SoScale2DragIsNotifyEnabled(const SoScale2Drag *this)
     SbBool		 SoScale2DragEnableNotify(SoScale2Drag *this, SbBool
			      flag)

	  Functions from class SoBase:

     void		 SoScale2DragRef(SoScale2Drag *this)
     void		 SoScale2DragUnref(const SoScale2Drag *this)
     void		 SoScale2DragUnrefNoDelete(const SoScale2Drag *this)
     void		 SoScale2DragTouch(SoScale2Drag *this)
     SoType		 SoScale2DragGetTypeId(const SoScale2Drag *this)
     SbBool		 SoScale2DragIsOfType(const SoScale2Drag *this, SoType
			      type)
     void		 SoScale2DragSetName(SoScale2Drag *this, const char
			      *name)
     SbName		 SoScale2DragGetName(const SoScale2Drag *this)

DESCRIPTION
     SoScale2Dragger is a simple dragger that scales freely and independently
     in two dimensions when dragged with the mouse. It moves within the x-y
     plane of its local space, as determined by its location in the scene
     graph.  Transformation nodes placed before it will affect both the
     dragger and the plane of motion.

     This node has a scaleFactor field which always reflects its size in local
     space. If you set the field, the dragger will change accordingly. You can
     also connect fields of other nodes or engines from this one to make them
     follow the dragger's motion.

     This dragger contains four parts, scaler, scalerActive, feedback, and
     feedbackActive.

     Each of these is set by default from a resource described in the Dragger
     Resources section of the online reference page for this class. You can
     change the parts in any instance of this dragger using
     SoDraggerSetPart().

Page 3

SoScale2Dragger(3IV)

     You can make your program use different default resources for the parts
     by copying the file /usr/share/data/draggerDefaults/scale2Dragger.iv into
     your own directory, editing the file, and then setting the environment
     variable SO_DRAGGER_DIR to be a path to that directory.

FIELDS
     SoSFVec3f		 scaleFactor
	  Scale factor affecting the dragger.

FUNCTIONS
     SoScale2Dragger *	       SoScale2DragCreate()
	  Constructor.

     const SoNodekitCatalog *  SoScale2DragGetClassNkitCat()
	  Returns an SoNodekitCatalog for this class

     SoType		       SoScale2DragGetClassTypeId()
	  Returns type identifier for this class.

CATALOG PARTS
     ___________________________________________________________
			      All parts
							NULL by
      Part Name	       Part Type	 Default Type	Default

      callbackList     NodeKitListPart	 --		  yes
      scaler	       Separator	 --		  yes
      scalerActive     Separator	 --		  yes
      feedback	       Separator	 --		  yes
      feedbackActive   Separator	 --		  yes

     ___________________________________________________________
     |

								|

     ________________________________________________________________
	    Extra information for list parts from above table

      Part Name	     Container Type   Permissible Types

				      Callback, EventCallback
      callbackList   Separator

     ________________________________________________________________
     |

								     |

DRAGGER RESOURCES
     Resource:	       scale2Scaler
     Part:	       scaler
     Appearance:       white photo-corners at corners of 2-by-2 square in
     plane of motion
     Description:      picking this initiates the scaling

     Resource:	       scale2ScalerActive
     Part:	       scalerActive
     Appearance:       yellow version of scaler, but with an extra yellow box
     Description:      displayed instead of scaler while in motion

Page 4

							  SoScale2Dragger(3IV)

     Resource:	       scale2Feedback
     Part:	       feedback
     Appearance:       thin purple 3-D crosshair
     Description:      shows center of scale when still

     Resource:	       scale2FeedbackActive
     Part:	       feedbackActive
     Appearance:       thin, slightly brighter purple 3-D crosshair
     Description:      shows center of scale while in motion

FILE FORMAT/DEFAULTS
     Scale2Dragger {
	  renderCaching	      AUTO
	  boundingBoxCaching  AUTO
	  renderCulling	      AUTO
	  pickCulling	      AUTO
	  isActive	      FALSE
	  scaleFactor	      1 1 1
	  callbackList	      NULL
	  scaler	      <scale2Scaler resource>
	  scalerActive	      <scale2ScalerActive resource>
	  feedback	      <scale2Feedback resource>
	  feedbackActive      <scale2FeedbackActive resource>
     }

SEE ALSO
     SoInteractionKit, SoDragger, SoCenterballDragger,
     SoDirectionalLightDragger, SoDragPointDragger, SoHandleBoxDragger,
     SoJackDragger, SoPointLightDragger, SoRotateCylindricalDragger,
     SoRotateDiscDragger, SoRotateSphericalDragger, SoScale1Dragger,
     SoScale2UniformDragger, SoScaleUniformDragger, SoSpotLightDragger,
     SoTabBoxDragger, SoTabPlaneDragger, SoTrackballDragger,
     SoTransformBoxDragger, SoTransformerDragger, SoTranslate1Dragger,
     SoTranslate2Dragger

Page 5
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