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NAME

       SoScale2UniformDragger -

       The SoScale2UniformDragger class provides a mechanism for the end-user to scale in two
       dimensions.

       Here's how the dragger looks with its default geometry in the inactive state:

SYNOPSIS

       #include <Inventor/draggers/SoScale2UniformDragger.h>

       Inherits SoDragger.

   Public Member Functions
       SoScale2UniformDragger (void)

   Static Public Member Functions
       static void initClass (void)

   Public Attributes
       SoSFVec3f scaleFactor

   Protected Member Functions
       virtual ~SoScale2UniformDragger (void)
       virtual SbBool setUpConnections (SbBool onoff, SbBool doitalways=FALSE)
       void dragStart (void)
       void drag (void)
       void dragFinish (void)

   Static Protected Member Functions
       static void startCB (void *f, SoDragger *d)
       static void motionCB (void *f, SoDragger *d)
       static void finishCB (void *f, SoDragger *d)
       static void fieldSensorCB (void *f, SoSensor *s)
       static void valueChangedCB (void *f, SoDragger *d)

   Protected Attributes
       SoFieldSensor * fieldSensor
       SbLineProjector * lineProj

Detailed Description

       The SoScale2UniformDragger class provides a mechanism for the end-user to scale in two
       dimensions.

       Here's how the dragger looks with its default geometry in the inactive state:

       Use this dragger to allow the end-user of your application to scale along the X-axis and
       the Y-axis. (Use a transformation node in front of the dragger to position it and re-
       orient it to scale in any plane.)

       Scaling with this dragger can only be done in a uniform manner, ie the X component of the
       SoScale2UniformDragger::scaleFactor will always equal the Y component.

       For non-uniform scaling operations in 2 dimensions, use the SoScale2Dragger.

       See also:
           SoScaleUniformDragger

Constructor & Destructor Documentation

   SoScale2UniformDragger::SoScale2UniformDragger (void) Default constructor, sets up the dragger
       nodekit catalog with the interaction and feedback geometry.
       Node kit structure (new entries versus parent class marked with arrow prefix):

         CLASS SoScale2UniformDragger
         -->"this"
               "callbackList"
               "topSeparator"
                  "motionMatrix"
                  "geomSeparator"
         -->         "scalerSwitch"
         -->            "scaler"
         -->            "scalerActive"
         -->         "feedbackSwitch"
         -->            "feedback"
         -->            "feedbackActive"
         .fi

       (See SoBaseKit::printDiagram() for information about the output formatting.)

       Detailed information on catalog parts:

         CLASS SoScale2UniformDragger
         PVT   "this",  SoScale2UniformDragger  ---
               "callbackList",  SoNodeKitListPart [ SoCallback, SoEventCallback ]
         PVT   "topSeparator",  SoSeparator  ---
         PVT   "motionMatrix",  SoMatrixTransform  ---
         PVT   "geomSeparator",  SoSeparator  ---
         PVT   "scalerSwitch",  SoSwitch  ---
               "scaler",  SoSeparator  ---
               "scalerActive",  SoSeparator  ---
         PVT   "feedbackSwitch",  SoSwitch  ---
               "feedback",  SoSeparator  ---
               "feedbackActive",  SoSeparator  ---
         .fi

       (See SoBaseKit::printTable() for information about the output formatting.)

   SoScale2UniformDragger::~SoScale2UniformDragger (void) [protected, virtual] Protected
       destructor.
       (Dragger classes are derived from SoBase, so they are reference counted and automatically
       destroyed when their reference count goes to 0.)

Member Function Documentation

   void SoScale2UniformDragger::initClass (void) [static] Initializes type system for this
       dragger class.
       Application programmers should usually not have to invoke this method, see documentation
       of SoInteraction::init().

       Reimplemented from SoDragger.

   SbBool SoScale2UniformDragger::setUpConnections (SbBoolonoff, SbBooldoitalways = FALSE)
       [protected, virtual] Sets up all internal connections for instances of this class.
       (This method will usually not be of interest to the application programmer, unless you
       want to extend the library with new custom nodekits or dragger classes. If so, see the
       SoBaseKit class documentation.)

       Reimplemented from SoInteractionKit.

   void SoScale2UniformDragger::startCB (void *f, SoDragger *d) [static, protected] This API
       member is considered internal to the library, as it is not likely to be of interest to the
       application programmer.
   void SoScale2UniformDragger::motionCB (void *f, SoDragger *d) [static, protected] This API
       member is considered internal to the library, as it is not likely to be of interest to the
       application programmer.
   void SoScale2UniformDragger::finishCB (void *f, SoDragger *d) [static, protected] This API
       member is considered internal to the library, as it is not likely to be of interest to the
       application programmer.
   void SoScale2UniformDragger::fieldSensorCB (void *d, SoSensor *s) [static, protected] This API
       member is considered internal to the library, as it is not likely to be of interest to the
       application programmer.
       Reimplemented from SoInteractionKit.

   void SoScale2UniformDragger::valueChangedCB (void *f, SoDragger *d) [static, protected] This
       API member is considered internal to the library, as it is not likely to be of interest to
       the application programmer.
   void SoScale2UniformDragger::dragStart (void) [protected] This API member is considered
       internal to the library, as it is not likely to be of interest to the application
       programmer.
       Called when dragger is selected (picked) by the user.

   void SoScale2UniformDragger::drag (void) [protected] This API member is considered internal to
       the library, as it is not likely to be of interest to the application programmer.
       Called when user drags the mouse after picking the dragger.

   void SoScale2UniformDragger::dragFinish (void) [protected] This API member is considered
       internal to the library, as it is not likely to be of interest to the application
       programmer.
       Called when mouse button is released after picking and interacting with the dragger.

Member Data Documentation

   SoSFVec3f SoScale2UniformDragger::scaleFactor Continuously updated to contain the current
       vector of scaling along the X, Y and Z axes.
       For the SoScale2UniformDragger, only the X and Y components are used, the Z component will
       always be equal to 1 (ie no scaling).

   SoFieldSensor * SoScale2UniformDragger::fieldSensor [protected] This API member is considered
       internal to the library, as it is not likely to be of interest to the application
       programmer.
       Reimplemented from SoInteractionKit.

   SbLineProjector * SoScale2UniformDragger::lineProj [protected] This API member is considered
       internal to the library, as it is not likely to be of interest to the application
       programmer.

Author

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