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virtual vtkTypeBool | IsA (const char *type) |
| Return 1 if this class is the same type of (or a subclass of) the named class. More...
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vtkPointWidget * | NewInstance () const |
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void | PrintSelf (ostream &os, vtkIndent indent) override |
| Methods invoked by print to print information about the object including superclasses. More...
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void | GetPolyData (vtkPolyData *pd) |
| Grab the polydata (including points) that defines the point. More...
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void | SetPosition (double x, double y, double z) |
| Set/Get the position of the point. More...
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void | SetPosition (double x[3]) |
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double * | GetPosition () |
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void | GetPosition (double xyz[3]) |
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void | SetOutline (int o) |
| Turn on/off the wireframe bounding box. More...
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int | GetOutline () |
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void | OutlineOn () |
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void | OutlineOff () |
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void | SetXShadows (int o) |
| Turn on/off the wireframe x-shadows. More...
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int | GetXShadows () |
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void | XShadowsOn () |
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void | XShadowsOff () |
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void | SetYShadows (int o) |
| Turn on/off the wireframe y-shadows. More...
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int | GetYShadows () |
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void | YShadowsOn () |
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void | YShadowsOff () |
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void | SetZShadows (int o) |
| Turn on/off the wireframe z-shadows. More...
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int | GetZShadows () |
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void | ZShadowsOn () |
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void | ZShadowsOff () |
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void | SetTranslationMode (int mode) |
| If translation mode is on, as the widget is moved the bounding box, shadows, and cursor are all translated simultaneously as the point moves. More...
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int | GetTranslationMode () |
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void | TranslationModeOn () |
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void | TranslationModeOff () |
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void | SetEnabled (int) override |
| Methods that satisfy the superclass' API. More...
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void | PlaceWidget (double bounds[6]) override |
| Methods that satisfy the superclass' API. More...
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void | PlaceWidget () override |
| Methods that satisfy the superclass' API. More...
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void | PlaceWidget (double xmin, double xmax, double ymin, double ymax, double zmin, double zmax) override |
| Methods that satisfy the superclass' API. More...
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void | AllOn () |
| Convenience methods to turn outline and shadows on and off. More...
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void | AllOff () |
| Convenience methods to turn outline and shadows on and off. More...
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virtual vtkProperty * | GetProperty () |
| Get the handle properties (the little balls are the handles). More...
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virtual vtkProperty * | GetSelectedProperty () |
| Get the handle properties (the little balls are the handles). More...
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virtual void | SetHotSpotSize (double) |
| Set the "hot spot" size; i.e., the region around the focus, in which the motion vector is used to control the constrained sliding action. More...
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virtual double | GetHotSpotSize () |
| Set the "hot spot" size; i.e., the region around the focus, in which the motion vector is used to control the constrained sliding action. More...
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vtk3DWidget * | NewInstance () const |
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virtual void | SetProp3D (vtkProp3D *) |
| Specify a vtkProp3D around which to place the widget. More...
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virtual vtkProp3D * | GetProp3D () |
| Specify a vtkProp3D around which to place the widget. More...
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virtual void | SetInputData (vtkDataSet *) |
| Specify the input dataset. More...
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virtual void | SetInputConnection (vtkAlgorithmOutput *) |
| Specify the input dataset. More...
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virtual vtkDataSet * | GetInput () |
| Specify the input dataset. More...
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virtual void | SetPlaceFactor (double) |
| Set/Get a factor representing the scaling of the widget upon placement (via the PlaceWidget() method). More...
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virtual double | GetPlaceFactor () |
| Set/Get a factor representing the scaling of the widget upon placement (via the PlaceWidget() method). More...
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virtual void | SetHandleSize (double) |
| Set/Get the factor that controls the size of the handles that appear as part of the widget. More...
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virtual double | GetHandleSize () |
| Set/Get the factor that controls the size of the handles that appear as part of the widget. More...
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vtkInteractorObserver * | NewInstance () const |
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void | PrintSelf (ostream &os, vtkIndent indent) override |
| Methods invoked by print to print information about the object including superclasses. More...
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int | GetEnabled () |
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void | EnabledOn () |
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void | EnabledOff () |
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void | On () |
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void | Off () |
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virtual void | OnChar () |
| Sets up the keypress-i event. More...
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virtual void | SetInteractor (vtkRenderWindowInteractor *iren) |
| This method is used to associate the widget with the render window interactor. More...
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virtual vtkRenderWindowInteractor * | GetInteractor () |
| This method is used to associate the widget with the render window interactor. More...
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virtual void | SetPriority (float) |
| Set/Get the priority at which events are processed. More...
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virtual float | GetPriority () |
| Set/Get the priority at which events are processed. More...
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virtual void | PickingManagedOn () |
| Enable/Disable the use of a manager to process the picking. More...
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virtual void | PickingManagedOff () |
| Enable/Disable the use of a manager to process the picking. More...
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virtual void | SetPickingManaged (bool managed) |
| Enable/Disable the use of a manager to process the picking. More...
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virtual bool | GetPickingManaged () |
| Enable/Disable the use of a manager to process the picking. More...
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virtual void | SetKeyPressActivation (vtkTypeBool) |
| Enable/Disable of the use of a keypress to turn on and off the interactor observer. More...
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virtual vtkTypeBool | GetKeyPressActivation () |
| Enable/Disable of the use of a keypress to turn on and off the interactor observer. More...
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virtual void | KeyPressActivationOn () |
| Enable/Disable of the use of a keypress to turn on and off the interactor observer. More...
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virtual void | KeyPressActivationOff () |
| Enable/Disable of the use of a keypress to turn on and off the interactor observer. More...
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virtual void | SetKeyPressActivationValue (char) |
| Specify which key press value to use to activate the interactor observer (if key press activation is enabled). More...
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virtual char | GetKeyPressActivationValue () |
| Specify which key press value to use to activate the interactor observer (if key press activation is enabled). More...
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virtual vtkRenderer * | GetDefaultRenderer () |
| Set/Get the default renderer to use when activating the interactor observer. More...
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virtual void | SetDefaultRenderer (vtkRenderer *) |
| Set/Get the default renderer to use when activating the interactor observer. More...
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virtual vtkRenderer * | GetCurrentRenderer () |
| Set/Get the current renderer. More...
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virtual void | SetCurrentRenderer (vtkRenderer *) |
| Set/Get the current renderer. More...
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void | GrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr) |
| These methods enable an interactor observer to exclusively grab all events invoked by its associated vtkRenderWindowInteractor. More...
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void | ReleaseFocus () |
| These methods enable an interactor observer to exclusively grab all events invoked by its associated vtkRenderWindowInteractor. More...
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| vtkBaseTypeMacro (vtkObject, vtkObjectBase) |
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virtual void | DebugOn () |
| Turn debugging output on. More...
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virtual void | DebugOff () |
| Turn debugging output off. More...
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bool | GetDebug () |
| Get the value of the debug flag. More...
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void | SetDebug (bool debugFlag) |
| Set the value of the debug flag. More...
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virtual void | Modified () |
| Update the modification time for this object. More...
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virtual vtkMTimeType | GetMTime () |
| Return this object's modified time. More...
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void | RemoveObserver (unsigned long tag) |
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void | RemoveObservers (unsigned long event) |
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void | RemoveObservers (const char *event) |
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void | RemoveAllObservers () |
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vtkTypeBool | HasObserver (unsigned long event) |
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vtkTypeBool | HasObserver (const char *event) |
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int | InvokeEvent (unsigned long event) |
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int | InvokeEvent (const char *event) |
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unsigned long | AddObserver (unsigned long event, vtkCommand *, float priority=0.0f) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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unsigned long | AddObserver (const char *event, vtkCommand *, float priority=0.0f) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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vtkCommand * | GetCommand (unsigned long tag) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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void | RemoveObserver (vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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void | RemoveObservers (unsigned long event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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void | RemoveObservers (const char *event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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vtkTypeBool | HasObserver (unsigned long event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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vtkTypeBool | HasObserver (const char *event, vtkCommand *) |
| Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
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template<class U , class T > |
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f) |
| Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...
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template<class U , class T > |
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
| Overloads to AddObserver that allow developers to add class member functions as callbacks for events. More...
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template<class U , class T > |
unsigned long | AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
| Allow user to set the AbortFlagOn() with the return value of the callback method. More...
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int | InvokeEvent (unsigned long event, void *callData) |
| This method invokes an event and return whether the event was aborted or not. More...
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int | InvokeEvent (const char *event, void *callData) |
| This method invokes an event and return whether the event was aborted or not. More...
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const char * | GetClassName () const |
| Return the class name as a string. More...
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virtual void | Delete () |
| Delete a VTK object. More...
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virtual void | FastDelete () |
| Delete a reference to this object. More...
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void | InitializeObjectBase () |
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void | Print (ostream &os) |
| Print an object to an ostream. More...
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virtual void | Register (vtkObjectBase *o) |
| Increase the reference count (mark as used by another object). More...
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virtual void | UnRegister (vtkObjectBase *o) |
| Decrease the reference count (release by another object). More...
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int | GetReferenceCount () |
| Return the current reference count of this object. More...
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void | SetReferenceCount (int) |
| Sets the reference count. More...
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void | PrintRevisions (ostream &) |
| Legacy. More...
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virtual void | PrintHeader (ostream &os, vtkIndent indent) |
| Methods invoked by print to print information about the object including superclasses. More...
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virtual void | PrintTrailer (ostream &os, vtkIndent indent) |
| Methods invoked by print to print information about the object including superclasses. More...
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virtual vtkObjectBase * | NewInstanceInternal () const |
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| vtkPointWidget () |
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| ~vtkPointWidget () override |
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virtual void | OnMouseMove () |
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virtual void | OnLeftButtonDown () |
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virtual void | OnLeftButtonUp () |
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virtual void | OnMiddleButtonDown () |
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virtual void | OnMiddleButtonUp () |
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virtual void | OnRightButtonDown () |
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virtual void | OnRightButtonUp () |
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void | Highlight (int highlight) |
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void | RegisterPickers () override |
| Register internal Pickers in the Picking Manager. More...
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void | Translate (double *p1, double *p2) |
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void | Scale (double *p1, double *p2, int X, int Y) |
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void | MoveFocus (double *p1, double *p2) |
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void | CreateDefaultProperties () |
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int | DetermineConstraintAxis (int constraint, double *x) |
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| vtk3DWidget () |
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| ~vtk3DWidget () override |
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void | AdjustBounds (double bounds[6], double newBounds[6], double center[3]) |
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double | SizeHandles (double factor) |
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virtual void | SizeHandles () |
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void | UpdateInput () |
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| vtkInteractorObserver () |
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| ~vtkInteractorObserver () override |
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void | UnRegisterPickers () |
| Unregister internal pickers from the Picking Manager. More...
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vtkPickingManager * | GetPickingManager () |
| Return the picking manager associated on the context on which the observer currently belong. More...
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vtkAssemblyPath * | GetAssemblyPath (double X, double Y, double Z, vtkAbstractPropPicker *picker) |
| Proceed to a pick, whether through the PickingManager if the picking is managed or directly using the picker, and return the assembly path. More...
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int | RequestCursorShape (int requestedShape) |
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virtual void | StartInteraction () |
| Utility routines used to start and end interaction. More...
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virtual void | EndInteraction () |
| Utility routines used to start and end interaction. More...
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void | ComputeDisplayToWorld (double x, double y, double z, double worldPt[4]) |
| Helper method for subclasses. More...
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void | ComputeWorldToDisplay (double x, double y, double z, double displayPt[3]) |
| Helper method for subclasses. More...
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| vtkObject () |
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| ~vtkObject () override |
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void | RegisterInternal (vtkObjectBase *, vtkTypeBool check) override |
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void | UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override |
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void | InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr) |
| These methods allow a command to exclusively grab all events. More...
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void | InternalReleaseFocus () |
| These methods allow a command to exclusively grab all events. More...
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| vtkObjectBase () |
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virtual | ~vtkObjectBase () |
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virtual void | CollectRevisions (ostream &) |
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virtual void | ReportReferences (vtkGarbageCollector *) |
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| vtkObjectBase (const vtkObjectBase &) |
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void | operator= (const vtkObjectBase &) |
|
position a point in 3D space
This 3D widget allows the user to position a point in 3D space using a 3D cursor. The cursor has an outline bounding box, axes-aligned cross-hairs, and axes shadows. (The outline and shadows can be turned off.) Any of these can be turned off. A nice feature of the object is that the vtkPointWidget, like any 3D widget, will work with the current interactor style. That is, if vtkPointWidget does not handle an event, then all other registered observers (including the interactor style) have an opportunity to process the event. Otherwise, the vtkPointWidget will terminate the processing of the event that it handles.
To use this object, just invoke SetInteractor() with the argument of the method a vtkRenderWindowInteractor. You may also wish to invoke "PlaceWidget()" to initially position the widget. The interactor will act normally until the "i" key (for "interactor") is pressed, at which point the vtkPointWidget will appear. (See superclass documentation for information about changing this behavior.) To move the point, the user can grab (left mouse) on any widget line and "slide" the point into position. Scaling is achieved by using the right mouse button "up" the render window (makes the widget bigger) or "down" the render window (makes the widget smaller). To translate the widget use the middle mouse button. (Note: all of the translation interactions can be constrained to one of the x-y-z axes by using the "shift" key.) The vtkPointWidget produces as output a polydata with a single point and a vertex cell.
Some additional features of this class include the ability to control the rendered properties of the widget. You can set the properties of the selected and unselected representations of the parts of the widget. For example, you can set the property of the 3D cursor in its normal and selected states.
The constrained translation/sliding action (i.e., when the "shift" key is depressed) along the axes is based on a combination of a "hot" spot around the cursor focus plus the initial mouse motion after selection. That is, if the user selects an axis outside of the hot spot, then the motion is constrained along that axis. If the user selects the point widget near the focus (within the hot spot), the initial motion defines a vector which is compared to the x-y-z axes. The motion is constrained to the axis that is most parallel to the initial motion vector.
- See also
- vtk3DWidget vtkLineWidget vtkBoxWidget vtkPlaneWidget
- Examples:
- vtkPointWidget (Examples)
- Tests:
- vtkPointWidget (Tests)
Definition at line 83 of file vtkPointWidget.h.