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virtual int | 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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vtkCellPicker * | NewInstance () const |
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void | PrintSelf (ostream &os, vtkIndent indent) |
| Methods invoked by print to print information about the object including superclasses. More...
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virtual int | Pick (double selectionX, double selectionY, double selectionZ, vtkRenderer *renderer) |
| Perform pick operation with selection point provided. More...
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void | AddLocator (vtkAbstractCellLocator *locator) |
| Add a locator for one of the data sets that will be included in the scene. More...
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void | RemoveLocator (vtkAbstractCellLocator *locator) |
| Remove a locator that was previously added. More...
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void | RemoveAllLocators () |
| Remove all locators associated with this picker. More...
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virtual void | SetVolumeOpacityIsovalue (double) |
| Set the opacity isovalue to use for defining volume surfaces. More...
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virtual double | GetVolumeOpacityIsovalue () |
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virtual void | SetUseVolumeGradientOpacity (int) |
| Use the product of the scalar and gradient opacity functions when computing the opacity isovalue, instead of just using the scalar opacity. More...
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virtual void | UseVolumeGradientOpacityOn () |
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virtual void | UseVolumeGradientOpacityOff () |
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virtual int | GetUseVolumeGradientOpacity () |
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virtual void | SetPickClippingPlanes (int) |
| The PickClippingPlanes setting controls how clipping planes are handled by the pick. More...
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virtual void | PickClippingPlanesOn () |
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virtual void | PickClippingPlanesOff () |
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virtual int | GetPickClippingPlanes () |
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virtual int | GetClippingPlaneId () |
| Get the index of the clipping plane that was intersected during the pick. More...
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virtual double * | GetPickNormal () |
| Return the normal of the picked surface at the PickPosition. More...
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virtual void | GetPickNormal (double data[3]) |
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virtual double * | GetMapperNormal () |
| Return the normal of the surface at the PickPosition in mapper coordinates. More...
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virtual void | GetMapperNormal (double &, double &, double &) |
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virtual void | GetMapperNormal (double[3]) |
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virtual int * | GetPointIJK () |
| Get the structured coordinates of the point at the PickPosition. More...
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virtual void | GetPointIJK (int &, int &, int &) |
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virtual void | GetPointIJK (int[3]) |
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virtual int * | GetCellIJK () |
| Get the structured coordinates of the cell at the PickPosition. More...
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virtual void | GetCellIJK (int &, int &, int &) |
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virtual void | GetCellIJK (int[3]) |
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virtual vtkIdType | GetPointId () |
| Get the id of the picked point. More...
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virtual vtkIdType | GetCellId () |
| Get the id of the picked cell. More...
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virtual int | GetSubId () |
| Get the subId of the picked cell. More...
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virtual double * | GetPCoords () |
| Get the parametric coordinates of the picked cell. More...
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virtual void | GetPCoords (double &, double &, double &) |
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virtual void | GetPCoords (double[3]) |
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vtkTexture * | GetTexture () |
| Get the texture that was picked. More...
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virtual void | SetPickTextureData (int) |
| If this is "On" and if the picked prop has a texture, then the data returned by GetDataSet() will be the texture's data instead of the mapper's data. More...
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virtual void | PickTextureDataOn () |
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virtual void | PickTextureDataOff () |
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virtual int | GetPickTextureData () |
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vtkPicker * | NewInstance () const |
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void | PrintSelf (ostream &os, vtkIndent indent) |
| Methods invoked by print to print information about the object including superclasses. More...
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virtual void | SetTolerance (double) |
| Specify tolerance for performing pick operation. More...
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virtual double | GetTolerance () |
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virtual double * | GetMapperPosition () |
| Return position in mapper (i.e., non-transformed) coordinates of pick point. More...
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virtual void | GetMapperPosition (double data[3]) |
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virtual vtkAbstractMapper3D * | GetMapper () |
| Return mapper that was picked (if any). More...
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virtual vtkDataSet * | GetDataSet () |
| Get a pointer to the dataset that was picked (if any). More...
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vtkProp3DCollection * | GetProp3Ds () |
| Return a collection of all the prop 3D's that were intersected by the pick ray. More...
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vtkActorCollection * | GetActors () |
| Return a collection of all the actors that were intersected. More...
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vtkPoints * | GetPickedPositions () |
| Return a list of the points the the actors returned by GetProp3Ds were intersected at. More...
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int | Pick (double selectionPt[3], vtkRenderer *ren) |
| Perform pick operation with selection point provided. More...
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vtkAbstractPropPicker * | NewInstance () const |
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virtual void | SetPath (vtkAssemblyPath *) |
| Return the vtkAssemblyPath that has been picked. More...
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virtual vtkAssemblyPath * | GetPath () |
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virtual vtkProp * | GetViewProp () |
| Return the vtkProp that has been picked. More...
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virtual vtkProp3D * | GetProp3D () |
| Return the vtkProp that has been picked. More...
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virtual vtkActor * | GetActor () |
| Return the vtkActor that has been picked. More...
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virtual vtkActor2D * | GetActor2D () |
| Return the vtkActor2D that has been picked. More...
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virtual vtkVolume * | GetVolume () |
| Return the vtkVolume that has been picked. More...
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virtual vtkAssembly * | GetAssembly () |
| Return the vtkAssembly that has been picked. More...
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virtual vtkPropAssembly * | GetPropAssembly () |
| Return the vtkPropAssembly that has been picked. More...
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vtkAbstractPicker * | NewInstance () const |
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virtual vtkRenderer * | GetRenderer () |
| Get the renderer in which pick event occurred. More...
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virtual double * | GetSelectionPoint () |
| Get the selection point in screen (pixel) coordinates. More...
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virtual void | GetSelectionPoint (double data[3]) |
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virtual double * | GetPickPosition () |
| Return position in global coordinates of pick point. More...
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virtual void | GetPickPosition (double data[3]) |
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int | Pick (double selectionPt[3], vtkRenderer *ren) |
| provided. More...
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virtual void | SetPickFromList (int) |
| Use these methods to control whether to limit the picking to this list (rather than renderer's actors). More...
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virtual int | GetPickFromList () |
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virtual void | PickFromListOn () |
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virtual void | PickFromListOff () |
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void | InitializePickList () |
| Initialize list of actors in pick list. More...
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void | AddPickList (vtkProp *) |
| Add an actor to the pick list. More...
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void | DeletePickList (vtkProp *) |
| Delete an actor from the pick list. More...
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vtkPropCollection * | GetPickList () |
| Return the list of actors in the PickList. 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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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) |
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vtkCommand * | GetCommand (unsigned long tag) |
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void | RemoveObserver (vtkCommand *) |
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void | RemoveObservers (unsigned long event, vtkCommand *) |
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void | RemoveObservers (const char *event, vtkCommand *) |
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int | HasObserver (unsigned long event, vtkCommand *) |
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int | HasObserver (const char *event, vtkCommand *) |
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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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int | HasObserver (unsigned long event) |
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int | HasObserver (const char *event) |
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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) |
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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) |
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int | InvokeEvent (unsigned long event) |
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int | InvokeEvent (const char *event) |
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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 | PrintHeader (ostream &os, vtkIndent indent) |
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virtual void | PrintTrailer (ostream &os, vtkIndent indent) |
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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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ray-cast cell picker for all kinds of Prop3Ds
vtkCellPicker will shoot a ray into a 3D scene and return information about the first object that the ray hits. It works for all Prop3Ds. For vtkVolume objects, it shoots a ray into the volume and returns the point where the ray intersects an isosurface of a chosen opacity. For vtkImage objects, it intersects the ray with the displayed slice. For vtkActor objects, it intersects the actor's polygons. If the object's mapper has ClippingPlanes, then it takes the clipping into account, and will return the Id of the clipping plane that was intersected. For all prop types, it returns point and cell information, plus the normal of the surface that was intersected at the pick position. For volumes and images, it also returns (i,j,k) coordinates for the point and the cell that were picked.
- See also
- vtkPicker vtkPointPicker vtkVolumePicker
- Thanks:
- This class was contributed to VTK by David Gobbi on behalf of Atamai Inc., as an enhancement to the original vtkCellPicker.
- Examples:
- vtkCellPicker (Examples)
- Tests:
- vtkCellPicker (Tests)
Definition at line 69 of file vtkCellPicker.h.