vtkHomogeneousTransform Class Reference

superclass for homogeneous transformations More...

#include <vtkHomogeneousTransform.h>

Inheritance diagram for vtkHomogeneousTransform:

Collaboration diagram for vtkHomogeneousTransform:

Public Types
typedef vtkAbstractTransform	Superclass
Public Types inherited from vtkAbstractTransform
typedef vtkObject	Superclass

Public Member Functions
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class.
vtkHomogeneousTransform *	NewInstance () const
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
void	TransformPoints (vtkPoints *inPts, vtkPoints *outPts) override
	Apply the transformation to a series of points, and append the results to outPts.
void	TransformPointsNormalsVectors (vtkPoints *inPts, vtkPoints *outPts, vtkDataArray *inNms, vtkDataArray *outNms, vtkDataArray *inVrs, vtkDataArray *outVrs, int nOptionalVectors=0, vtkDataArray **inVrsArr=nullptr, vtkDataArray **outVrsArr=nullptr) override
	Apply the transformation to a combination of points, normals and vectors.
void	GetMatrix (vtkMatrix4x4 *m)
	Get a copy of the internal transformation matrix.
vtkMatrix4x4 *	GetMatrix ()
	Get a pointer to an internal vtkMatrix4x4 that represents the transformation.
vtkHomogeneousTransform *	GetHomogeneousInverse ()
	Just like GetInverse(), but includes typecast to vtkHomogeneousTransform.
void	InternalTransformPoint (const float in[3], float out[3]) override
	This will calculate the transformation without calling Update.
void	InternalTransformPoint (const double in[3], double out[3]) override
	This will calculate the transformation without calling Update.
void	InternalTransformDerivative (const float in[3], float out[3], float derivative[3][3]) override
	This will calculate the transformation as well as its derivative without calling Update.
void	InternalTransformDerivative (const double in[3], double out[3], double derivative[3][3]) override
	This will calculate the transformation as well as its derivative without calling Update.
Public Member Functions inherited from vtkAbstractTransform
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class.
vtkAbstractTransform *	NewInstance () const
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
void	TransformPoint (const float in[3], float out[3])
	Apply the transformation to a coordinate.
void	TransformPoint (const double in[3], double out[3])
	Apply the transformation to a double-precision coordinate.
double *	TransformPoint (double x, double y, double z)
	Apply the transformation to a double-precision coordinate.
double *	TransformPoint (const double point[3])
double *	TransformNormalAtPoint (const double point[3], const double normal[3])
double *	TransformVectorAtPoint (const double point[3], const double vector[3])
virtual void	TransformPoints (vtkPoints *inPts, vtkPoints *outPts)
	Apply the transformation to a series of points, and append the results to outPts.
virtual void	TransformPointsNormalsVectors (vtkPoints *inPts, vtkPoints *outPts, vtkDataArray *inNms, vtkDataArray *outNms, vtkDataArray *inVrs, vtkDataArray *outVrs, int nOptionalVectors=0, vtkDataArray **inVrsArr=nullptr, vtkDataArray **outVrsArr=nullptr)
	Apply the transformation to a combination of points, normals and vectors.
vtkAbstractTransform *	GetInverse ()
	Get the inverse of this transform.
void	SetInverse (vtkAbstractTransform *transform)
	Set a transformation that this transform will be the inverse of.
virtual void	Inverse ()=0
	Invert the transformation.
void	DeepCopy (vtkAbstractTransform *)
	Copy this transform from another of the same type.
void	Update ()
	Update the transform to account for any changes which have been made.
virtual vtkAbstractTransform *	MakeTransform ()=0
	Make another transform of the same type.
virtual int	CircuitCheck (vtkAbstractTransform *transform)
	Check for self-reference.
vtkMTimeType	GetMTime () override
	Override GetMTime necessary because of inverse transforms.
void	Modified () override
	Override Modified to avoid ModifiedEvent during update.
void	UnRegister (vtkObjectBase *O) override
	Needs a special UnRegister() implementation to avoid circular references.
float *	TransformFloatPoint (float x, float y, float z)
	Apply the transformation to an (x,y,z) coordinate.
float *	TransformFloatPoint (const float point[3])
	Apply the transformation to an (x,y,z) coordinate.
double *	TransformDoublePoint (double x, double y, double z)
	Apply the transformation to a double-precision (x,y,z) coordinate.
double *	TransformDoublePoint (const double point[3])
	Apply the transformation to a double-precision (x,y,z) coordinate.
void	TransformNormalAtPoint (const float point[3], const float in[3], float out[3])
	Apply the transformation to a normal at the specified vertex.
void	TransformNormalAtPoint (const double point[3], const double in[3], double out[3])
	Apply the transformation to a normal at the specified vertex.
double *	TransformDoubleNormalAtPoint (const double point[3], const double normal[3])
	Apply the transformation to a double-precision normal at the specified vertex.
float *	TransformFloatNormalAtPoint (const float point[3], const float normal[3])
	Apply the transformation to a single-precision normal at the specified vertex.
void	TransformVectorAtPoint (const float point[3], const float in[3], float out[3])
	Apply the transformation to a vector at the specified vertex.
void	TransformVectorAtPoint (const double point[3], const double in[3], double out[3])
	Apply the transformation to a vector at the specified vertex.
double *	TransformDoubleVectorAtPoint (const double point[3], const double vector[3])
	Apply the transformation to a double-precision vector at the specified vertex.
float *	TransformFloatVectorAtPoint (const float point[3], const float vector[3])
	Apply the transformation to a single-precision vector at the specified vertex.
Public Member Functions inherited from vtkObject
	vtkBaseTypeMacro (vtkObject, vtkObjectBase)
virtual void	DebugOn ()
	Turn debugging output on.
virtual void	DebugOff ()
	Turn debugging output off.
bool	GetDebug ()
	Get the value of the debug flag.
void	SetDebug (bool debugFlag)
	Set the value of the debug flag.
virtual void	Modified ()
	Update the modification time for this object.
virtual vtkMTimeType	GetMTime ()
	Return this object's modified time.
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
void	RemoveObserver (unsigned long tag)
void	RemoveObservers (unsigned long event)
void	RemoveObservers (const char *event)
void	RemoveAllObservers ()
vtkTypeBool	HasObserver (unsigned long event)
vtkTypeBool	HasObserver (const char *event)
vtkTypeBool	InvokeEvent (unsigned long event)
vtkTypeBool	InvokeEvent (const char *event)
std::string	GetObjectDescription () const override
	The object description printed in messages and PrintSelf output.
unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
unsigned long	AddObserver (const char *event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkCommand *	GetCommand (unsigned long tag)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObserver (vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObservers (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObservers (const char *event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkTypeBool	HasObserver (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkTypeBool	HasObserver (const char *event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
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.
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.
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.
vtkTypeBool	InvokeEvent (unsigned long event, void *callData)
	This method invokes an event and return whether the event was aborted or not.
vtkTypeBool	InvokeEvent (const char *event, void *callData)
	This method invokes an event and return whether the event was aborted or not.
virtual void	SetObjectName (const std::string &objectName)
	Set/get the name of this object for reporting purposes.
virtual std::string	GetObjectName () const
	Set/get the name of this object for reporting purposes.
Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
	Return the class name as a string.
virtual std::string	GetObjectDescription () const
	The object description printed in messages and PrintSelf output.
virtual vtkTypeBool	IsA (const char *name)
	Return 1 if this class is the same type of (or a subclass of) the named class.
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).
virtual void	Delete ()
	Delete a VTK object.
virtual void	FastDelete ()
	Delete a reference to this object.
void	InitializeObjectBase ()
void	Print (ostream &os)
	Print an object to an ostream.
void	Register (vtkObjectBase *o)
	Increase the reference count (mark as used by another object).
virtual void	UnRegister (vtkObjectBase *o)
	Decrease the reference count (release by another object).
int	GetReferenceCount ()
	Return the current reference count of this object.
void	SetReferenceCount (int)
	Sets the reference count.
bool	GetIsInMemkind () const
	A local state flag that remembers whether this object lives in the normal or extended memory space.
virtual void	PrintHeader (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.
virtual void	PrintTrailer (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.
virtual bool	UsesGarbageCollector () const
	Indicate whether the class uses vtkGarbageCollector or not.

Static Public Member Functions
static vtkTypeBool	IsTypeOf (const char *type)
static vtkHomogeneousTransform *	SafeDownCast (vtkObjectBase *o)
Static Public Member Functions inherited from vtkAbstractTransform
static vtkTypeBool	IsTypeOf (const char *type)
static vtkAbstractTransform *	SafeDownCast (vtkObjectBase *o)
Static Public Member Functions inherited from vtkObject
static vtkObject *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
static void	BreakOnError ()
	This method is called when vtkErrorMacro executes.
static void	SetGlobalWarningDisplay (vtkTypeBool val)
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static void	GlobalWarningDisplayOn ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static void	GlobalWarningDisplayOff ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static vtkTypeBool	GetGlobalWarningDisplay ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool	IsTypeOf (const char *name)
	Return 1 if this class type is the same type of (or a subclass of) the named class.
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).
static vtkObjectBase *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
static void	SetMemkindDirectory (const char *directoryname)
	The name of a directory, ideally mounted -o dax, to memory map an extended memory space within.
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.

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const
	vtkHomogeneousTransform ()
	~vtkHomogeneousTransform () override
void	InternalDeepCopy (vtkAbstractTransform *transform) override
	Perform any subclass-specific DeepCopy.
Protected Member Functions inherited from vtkAbstractTransform
virtual vtkObjectBase *	NewInstanceInternal () const
	vtkAbstractTransform ()
	~vtkAbstractTransform () override
virtual void	InternalUpdate ()
	Perform any subclass-specific Update.
virtual void	InternalDeepCopy (vtkAbstractTransform *)
	Perform any subclass-specific DeepCopy.
Protected Member Functions inherited from vtkObject
	vtkObject ()
	~vtkObject () override
void	RegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void	InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr)
	These methods allow a command to exclusively grab all events.
void	InternalReleaseFocus ()
	These methods allow a command to exclusively grab all events.
Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()
virtual	~vtkObjectBase ()
virtual void	RegisterInternal (vtkObjectBase *, vtkTypeBool check)
virtual void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check)
virtual void	ReportReferences (vtkGarbageCollector *)
virtual void	ObjectFinalize ()
	vtkObjectBase (const vtkObjectBase &)
void	operator= (const vtkObjectBase &)

Protected Attributes
vtkMatrix4x4 *	Matrix
Protected Attributes inherited from vtkAbstractTransform
float	InternalFloatPoint [3]
double	InternalDoublePoint [3]
Protected Attributes inherited from vtkObject
bool	Debug
vtkTimeStamp	MTime
vtkSubjectHelper *	SubjectHelper
std::string	ObjectName
Protected Attributes inherited from vtkObjectBase
std::atomic< int32_t >	ReferenceCount
vtkWeakPointerBase **	WeakPointers

Additional Inherited Members
Static Protected Member Functions inherited from vtkObjectBase
static vtkMallocingFunction	GetCurrentMallocFunction ()
static vtkReallocingFunction	GetCurrentReallocFunction ()
static vtkFreeingFunction	GetCurrentFreeFunction ()
static vtkFreeingFunction	GetAlternateFreeFunction ()

Detailed Description

superclass for homogeneous transformations

vtkHomogeneousTransform provides a generic interface for homogeneous transformations, i.e. transformations which can be represented by multiplying a 4x4 matrix with a homogeneous coordinate.

See also

vtkPerspectiveTransform vtkLinearTransform vtkIdentityTransform

Definition at line 24 of file vtkHomogeneousTransform.h.

Member Typedef Documentation

Superclass

typedef vtkAbstractTransform vtkHomogeneousTransform::Superclass

Definition at line 28 of file vtkHomogeneousTransform.h.

Constructor & Destructor Documentation

vtkHomogeneousTransform()

vtkHomogeneousTransform::vtkHomogeneousTransform ( )

protected

~vtkHomogeneousTransform()

vtkHomogeneousTransform::~vtkHomogeneousTransform ( )

overrideprotected

Member Function Documentation

IsTypeOf()

static vtkTypeBool vtkHomogeneousTransform::IsTypeOf ( const char *  type )

static

IsA()

virtual vtkTypeBool vtkHomogeneousTransform::IsA ( const char *  name )

virtual

Return 1 if this class is the same type of (or a subclass of) the named class.

Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkAbstractTransform.

Reimplemented in vtkIterativeClosestPointTransform, vtkIdentityTransform, vtkLandmarkTransform, vtkLinearTransform, vtkMatrixToHomogeneousTransform, vtkMatrixToLinearTransform, vtkPerspectiveTransform, and vtkTransform.

SafeDownCast()

static vtkHomogeneousTransform * vtkHomogeneousTransform::SafeDownCast ( vtkObjectBase *  o )

static

NewInstanceInternal()

virtual vtkObjectBase * vtkHomogeneousTransform::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkAbstractTransform.

Reimplemented in vtkIterativeClosestPointTransform, vtkIdentityTransform, vtkLandmarkTransform, vtkLinearTransform, vtkMatrixToHomogeneousTransform, vtkMatrixToLinearTransform, vtkPerspectiveTransform, and vtkTransform.

NewInstance()

vtkHomogeneousTransform * vtkHomogeneousTransform::NewInstance

(

)

const

PrintSelf()

void vtkHomogeneousTransform::PrintSelf ( ostream &  os, vtkIndent  indent  )

overridevirtual

Methods invoked by print to print information about the object including superclasses.

Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkAbstractTransform.

Reimplemented in vtkIterativeClosestPointTransform, vtkIdentityTransform, vtkLandmarkTransform, vtkLinearTransform, vtkMatrixToHomogeneousTransform, vtkMatrixToLinearTransform, vtkPerspectiveTransform, and vtkTransform.

TransformPoints()

void vtkHomogeneousTransform::TransformPoints ( vtkPoints *  inPts, vtkPoints *  outPts  )

overridevirtual

Apply the transformation to a series of points, and append the results to outPts.

Reimplemented from vtkAbstractTransform.

Reimplemented in vtkIdentityTransform, and vtkLinearTransform.

TransformPointsNormalsVectors()

void vtkHomogeneousTransform::TransformPointsNormalsVectors ( vtkPoints *  inPts, vtkPoints *  outPts, vtkDataArray *  inNms, vtkDataArray *  outNms, vtkDataArray *  inVrs, vtkDataArray *  outVrs, int  nOptionalVectors = 0, vtkDataArray **  inVrsArr = nullptr, vtkDataArray **  outVrsArr = nullptr  )

overridevirtual

Apply the transformation to a combination of points, normals and vectors.

Reimplemented from vtkAbstractTransform.

Reimplemented in vtkIdentityTransform, and vtkLinearTransform.

GetMatrix() [1/2]

void vtkHomogeneousTransform::GetMatrix

(

vtkMatrix4x4 *

m

)

Get a copy of the internal transformation matrix.

The transform is Updated first, to guarantee that the matrix is valid.

GetMatrix() [2/2]

vtkMatrix4x4 * vtkHomogeneousTransform::GetMatrix ( )

inline

Get a pointer to an internal vtkMatrix4x4 that represents the transformation.

An Update() is called on the transform to ensure that the matrix is up-to-date when you get it. You should not store the matrix pointer anywhere because it might become stale.

Definition at line 59 of file vtkHomogeneousTransform.h.

GetHomogeneousInverse()

vtkHomogeneousTransform * vtkHomogeneousTransform::GetHomogeneousInverse ( )

inline

Just like GetInverse(), but includes typecast to vtkHomogeneousTransform.

Definition at line 68 of file vtkHomogeneousTransform.h.

InternalTransformPoint() [1/2]

void vtkHomogeneousTransform::InternalTransformPoint ( const float  in[3], float  out[3]  )

overridevirtual

This will calculate the transformation without calling Update.

Meant for use only within other VTK classes.

Implements vtkAbstractTransform.

Reimplemented in vtkIdentityTransform, and vtkLinearTransform.

InternalTransformPoint() [2/2]

void vtkHomogeneousTransform::InternalTransformPoint ( const double  in[3], double  out[3]  )

overridevirtual

This will calculate the transformation without calling Update.

Meant for use only within other VTK classes.

Implements vtkAbstractTransform.

Reimplemented in vtkIdentityTransform, and vtkLinearTransform.

InternalTransformDerivative() [1/2]

void vtkHomogeneousTransform::InternalTransformDerivative ( const float  in[3], float  out[3], float  derivative[3][3]  )

overridevirtual

This will calculate the transformation as well as its derivative without calling Update.

Meant for use only within other VTK classes.

Implements vtkAbstractTransform.

Reimplemented in vtkIdentityTransform, and vtkLinearTransform.

InternalTransformDerivative() [2/2]

void vtkHomogeneousTransform::InternalTransformDerivative ( const double  in[3], double  out[3], double  derivative[3][3]  )

overridevirtual

This will calculate the transformation as well as its derivative without calling Update.

Meant for use only within other VTK classes.

Implements vtkAbstractTransform.

Reimplemented in vtkIdentityTransform, and vtkLinearTransform.

InternalDeepCopy()

void vtkHomogeneousTransform::InternalDeepCopy ( vtkAbstractTransform *  )

overrideprotectedvirtual

Perform any subclass-specific DeepCopy.

Reimplemented from vtkAbstractTransform.

Reimplemented in vtkIdentityTransform, vtkPerspectiveTransform, vtkTransform, vtkIterativeClosestPointTransform, vtkLandmarkTransform, vtkMatrixToHomogeneousTransform, and vtkMatrixToLinearTransform.

Member Data Documentation

Matrix

vtkMatrix4x4* vtkHomogeneousTransform::Matrix

protected

Definition at line 100 of file vtkHomogeneousTransform.h.

---

The documentation for this class was generated from the following file:

• Common/Transforms/vtkHomogeneousTransform.h