TGLScaleManip

class TGLScaleManip : public TGLManip

    private:

      void LimitScale(Double_t& factor) const

    public:

                      TGLScaleManip()
                      TGLScaleManip(TGLPhysicalShape* shape)
                      TGLScaleManip(const TGLScaleManip&)
              virtual ~TGLScaleManip()
       static TClass* Class()
         virtual void Draw(const TGLCamera& camera) const
       virtual Bool_t HandleButton(const Event_t& event, const TGLCamera& camera)
       virtual Bool_t HandleMotion(const Event_t& event, const TGLCamera& camera, const TGLBoundingBox& sceneBox)
      virtual TClass* IsA() const
       TGLScaleManip& operator=(const TGLScaleManip&)
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)

Data Members

    private:

      TGLVector3 fStartScale  

Class Description

                                                                      
 TGLScaleManip                                                        
                                                                      
 Scale manipulator - attaches to physical shape and draws local axes  
 widgets with box heads. User can mouse over (turns yellow) and L     
 click/drag to scale along this axis.                                 
 Widgets use standard 3D package axes colours: X red, Y green, Z blue.

 Construct scale manipulator not bound to any physical shape.

 Construct scale manipulator bound to TGLPhysicalShape 'shape'.

 Destory the scale manipulator

 Draw scale manipulator - tubes with box heads, in local axes of
 attached shape, in red(X), green(Y) and blue(Z), with white center sphere.
 If selected widget (mouse over) this is drawn in active colour (yellow).

 Handle mouse button event over manipulator - returns kTRUE if redraw required
 kFALSE otherwise.

 Handle mouse motion over manipulator - if active (selected widget) scale
 physical along selected widget (axis) of the manipulator, so it tracks mouse
 action. Returns kTRUE if redraw required kFALSE otherwise.

 Clamp scale to sizable values: 1000 - 1/1000
 Guards against div by zero problems.

Inline Functions

               TClass* Class()
               TClass* IsA() const
                  void ShowMembers(TMemberInspector& insp, char* parent)
                  void Streamer(TBuffer& b)
                  void StreamerNVirtual(TBuffer& b)
         TGLScaleManip TGLScaleManip(const TGLScaleManip&)
        TGLScaleManip& operator=(const TGLScaleManip&)