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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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vtkPlanes * | 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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double | EvaluateFunction (double x[3]) override |
| Evaluate function at position x-y-z and return value. More...
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void | EvaluateGradient (double x[3], double n[3]) override |
| Evaluate planes gradient. More...
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virtual void | SetPoints (vtkPoints *) |
| Specify a list of points defining points through which the planes pass. More...
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virtual vtkPoints * | GetPoints () |
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void | SetNormals (vtkDataArray *normals) |
| Specify a list of normal vectors for the planes. More...
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virtual vtkDataArray * | GetNormals () |
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void | SetFrustumPlanes (double planes[24]) |
| An alternative method to specify six planes defined by the camera view frustrum. More...
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void | SetBounds (const double bounds[6]) |
| An alternative method to specify six planes defined by a bounding box. More...
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void | SetBounds (double xmin, double xmax, double ymin, double ymax, double zmin, double zmax) |
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int | GetNumberOfPlanes () |
| Return the number of planes in the set of planes. More...
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vtkPlane * | GetPlane (int i) |
| Create and return a pointer to a vtkPlane object at the ith position. More...
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void | GetPlane (int i, vtkPlane *plane) |
| If i is within the allowable range, mutates the given plane's Normal and Origin to match the vtkPlane object at the ith position. More...
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virtual double | EvaluateFunction (double x[3])=0 |
| Evaluate plane equations. More...
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virtual void | EvaluateFunction (vtkDataArray *input, vtkDataArray *output) |
| Evaluate plane equations. More...
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virtual double | EvaluateFunction (double x, double y, double z) |
| Evaluate plane equations. More...
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vtkImplicitFunction * | NewInstance () const |
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vtkMTimeType | GetMTime () override |
| Overload standard modified time function. More...
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virtual void | FunctionValue (vtkDataArray *input, vtkDataArray *output) |
| Evaluate function at position x-y-z and return value. More...
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double | FunctionValue (const double x[3]) |
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double | FunctionValue (double x, double y, double z) |
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void | FunctionGradient (const double x[3], double g[3]) |
| Evaluate function gradient at position x-y-z and pass back vector. More...
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double * | FunctionGradient (const double x[3]) |
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double * | FunctionGradient (double x, double y, double z) |
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virtual void | SetTransform (vtkAbstractTransform *) |
| Set/Get a transformation to apply to input points before executing the implicit function. More...
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virtual void | SetTransform (const double elements[16]) |
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virtual vtkAbstractTransform * | GetTransform () |
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virtual void | EvaluateFunction (vtkDataArray *input, vtkDataArray *output) |
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virtual double | EvaluateFunction (double x, double y, double z) |
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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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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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vtkTypeBool | HasObserver (unsigned long event, vtkCommand *) |
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vtkTypeBool | 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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vtkTypeBool | HasObserver (unsigned long event) |
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vtkTypeBool | 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 vtkIdType | GetNumberOfGenerationsFromBase (const char *name) |
| Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). 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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bool | GetIsInMemkind () const |
| A local state flag that remembers whether this object lives in the normal or extended memory space. More...
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static vtkPlanes * | New () |
| Standard methods for instantiation, type information, and printing. More...
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static vtkTypeBool | IsTypeOf (const char *type) |
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static vtkPlanes * | SafeDownCast (vtkObjectBase *o) |
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static vtkTypeBool | IsTypeOf (const char *type) |
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static vtkImplicitFunction * | SafeDownCast (vtkObjectBase *o) |
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static vtkObject * | New () |
| Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
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static void | BreakOnError () |
| This method is called when vtkErrorMacro executes. More...
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static void | SetGlobalWarningDisplay (int val) |
| This is a global flag that controls whether any debug, warning or error messages are displayed. More...
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static void | GlobalWarningDisplayOn () |
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static void | GlobalWarningDisplayOff () |
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static int | GetGlobalWarningDisplay () |
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static vtkTypeBool | IsTypeOf (const char *name) |
| Return 1 if this class type is the same type of (or a subclass of) the named class. More...
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static vtkIdType | GetNumberOfGenerationsFromBaseType (const char *name) |
| Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). More...
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static vtkObjectBase * | New () |
| Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
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static void | SetMemkindDirectory (const char *directoryname) |
| The name of a directory, ideally mounted -o dax, to memory map an extended memory space within. More...
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static bool | GetUsingMemkind () |
| A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space. More...
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implicit function for convex set of planes
vtkPlanes computes the implicit function and function gradient for a set of planes. The planes must define a convex space.
The function value is the intersection (i.e., maximum value) obtained by evaluating the each of the supplied planes. Hence the value is the maximum distance of a point to the convex region defined by the planes. The function gradient is the plane normal at the function value. Note that the normals must point outside of the convex region. Thus, a negative function value means that a point is inside the convex region.
There are several methods to define the set of planes. The most general is to supply an instance of vtkPoints and an instance of vtkDataArray. (The points define a point on the plane, and the normals corresponding plane normals.) Two other specialized ways are to 1) supply six planes defining the view frustrum of a camera, and 2) provide a bounding box.
- See also
- vtkImplicitBoolean vtkSpheres vtkFrustrumSource vtkCamera
Definition at line 49 of file vtkPlanes.h.