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vtkFixedPointRayCastImage Class Reference

helper class for a ray cast image More...

#include <vtkFixedPointRayCastImage.h>

Inheritance diagram for vtkFixedPointRayCastImage:
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Collaboration diagram for vtkFixedPointRayCastImage:
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Public Types

typedef vtkObject Superclass
 

Public Member Functions

virtual int IsA (const char *type)
 Return 1 if this class is the same type of (or a subclass of) the named class. More...
 
vtkFixedPointRayCastImageNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses. More...
 
unsigned short * GetImage ()
 Get the internal storage for the image. More...
 
void AllocateImage ()
 Call this method once the ImageMemorySize has been set the allocate the image. More...
 
void ClearImage ()
 Clear the image to (0,0,0,0) for each pixel. More...
 
float GetZBufferValue (int x, int y)
 Get the ZBuffer value corresponding to location (x,y) where (x,y) are indexing into the ImageInUse image. More...
 
floatGetZBuffer ()
 Get the ZBuffer. More...
 
void AllocateZBuffer ()
 
virtual void SetImageViewportSize (int, int)
 Set / Get the ImageViewportSize. More...
 
void SetImageViewportSize (int[2])
 Set / Get the ImageViewportSize. More...
 
virtual intGetImageViewportSize ()
 Set / Get the ImageViewportSize. More...
 
virtual void GetImageViewportSize (int data[2])
 Set / Get the ImageViewportSize. More...
 
virtual void SetImageMemorySize (int, int)
 Set / Get the ImageMemorySize. More...
 
void SetImageMemorySize (int[2])
 Set / Get the ImageMemorySize. More...
 
virtual intGetImageMemorySize ()
 Set / Get the ImageMemorySize. More...
 
virtual void GetImageMemorySize (int data[2])
 Set / Get the ImageMemorySize. More...
 
virtual void SetImageInUseSize (int, int)
 Set / Get the size of the image we are actually using. More...
 
void SetImageInUseSize (int[2])
 Set / Get the size of the image we are actually using. More...
 
virtual intGetImageInUseSize ()
 Set / Get the size of the image we are actually using. More...
 
virtual void GetImageInUseSize (int data[2])
 Set / Get the size of the image we are actually using. More...
 
virtual void SetImageOrigin (int, int)
 Set / Get the origin of the image. More...
 
void SetImageOrigin (int[2])
 Set / Get the origin of the image. More...
 
virtual intGetImageOrigin ()
 Set / Get the origin of the image. More...
 
virtual void GetImageOrigin (int data[2])
 Set / Get the origin of the image. More...
 
virtual void SetImageSampleDistance (float)
 Set / Get the ImageSampleDistance that will be used for rendering. More...
 
virtual float GetImageSampleDistance ()
 Set / Get the ImageSampleDistance that will be used for rendering. More...
 
virtual void SetZBufferSize (int, int)
 Set / Get the size of the ZBuffer in pixels. More...
 
void SetZBufferSize (int[2])
 Set / Get the size of the ZBuffer in pixels. More...
 
virtual intGetZBufferSize ()
 Set / Get the size of the ZBuffer in pixels. More...
 
virtual void GetZBufferSize (int data[2])
 Set / Get the size of the ZBuffer in pixels. More...
 
virtual void SetZBufferOrigin (int, int)
 Set / Get the origin of the ZBuffer. More...
 
void SetZBufferOrigin (int[2])
 Set / Get the origin of the ZBuffer. More...
 
virtual intGetZBufferOrigin ()
 Set / Get the origin of the ZBuffer. More...
 
virtual void GetZBufferOrigin (int data[2])
 Set / Get the origin of the ZBuffer. More...
 
virtual void SetUseZBuffer (int)
 The UseZBuffer flag indicates whether the ZBuffer is in use. More...
 
virtual int GetUseZBuffer ()
 The UseZBuffer flag indicates whether the ZBuffer is in use. More...
 
virtual void UseZBufferOn ()
 The UseZBuffer flag indicates whether the ZBuffer is in use. More...
 
virtual void UseZBufferOff ()
 The UseZBuffer flag indicates whether the ZBuffer is in use. More...
 
- Public Member Functions inherited from vtkObject
 vtkBaseTypeMacro (vtkObject, vtkObjectBase)
 
virtual void DebugOn ()
 Turn debugging output on. More...
 
virtual void DebugOff ()
 Turn debugging output off. More...
 
bool GetDebug ()
 Get the value of the debug flag. More...
 
void SetDebug (bool debugFlag)
 Set the value of the debug flag. More...
 
virtual void Modified ()
 Update the modification time for this object. More...
 
virtual vtkMTimeType GetMTime ()
 Return this object's modified time. More...
 
void RemoveObserver (unsigned long tag)
 
void RemoveObservers (unsigned long event)
 
void RemoveObservers (const char *event)
 
void RemoveAllObservers ()
 
int HasObserver (unsigned long event)
 
int HasObserver (const char *event)
 
int InvokeEvent (unsigned long event)
 
int InvokeEvent (const char *event)
 
unsigned long AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
unsigned long AddObserver (const char *event, vtkCommand *, float priority=0.0f)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
vtkCommandGetCommand (unsigned long tag)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
void RemoveObserver (vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
void RemoveObservers (unsigned long event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
void RemoveObservers (const char *event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
int HasObserver (unsigned long event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
int HasObserver (const char *event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
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...
 
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...
 
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...
 
int InvokeEvent (unsigned long event, void *callData)
 This method invokes an event and return whether the event was aborted or not. More...
 
int InvokeEvent (const char *event, void *callData)
 This method invokes an event and return whether the event was aborted or not. More...
 
- Public Member Functions inherited from vtkObjectBase
const char * GetClassName () const
 Return the class name as a string. More...
 
virtual void Delete ()
 Delete a VTK object. More...
 
virtual void FastDelete ()
 Delete a reference to this object. More...
 
void InitializeObjectBase ()
 
void Print (ostream &os)
 Print an object to an ostream. More...
 
virtual void Register (vtkObjectBase *o)
 Increase the reference count (mark as used by another object). More...
 
virtual void UnRegister (vtkObjectBase *o)
 Decrease the reference count (release by another object). More...
 
int GetReferenceCount ()
 Return the current reference count of this object. More...
 
void SetReferenceCount (int)
 Sets the reference count. More...
 
void PrintRevisions (ostream &)
 Legacy. More...
 
virtual void PrintHeader (ostream &os, vtkIndent indent)
 Methods invoked by print to print information about the object including superclasses. More...
 
virtual void PrintTrailer (ostream &os, vtkIndent indent)
 Methods invoked by print to print information about the object including superclasses. More...
 

Static Public Member Functions

static vtkFixedPointRayCastImageNew ()
 
static int IsTypeOf (const char *type)
 
static vtkFixedPointRayCastImageSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkObject
static vtkObjectNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
 
static void BreakOnError ()
 This method is called when vtkErrorMacro executes. More...
 
static void SetGlobalWarningDisplay (int val)
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
static void GlobalWarningDisplayOn ()
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
static void GlobalWarningDisplayOff ()
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
static int GetGlobalWarningDisplay ()
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
- 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. More...
 
static vtkObjectBaseNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
 

Protected Member Functions

virtual vtkObjectBaseNewInstanceInternal () const
 
 vtkFixedPointRayCastImage ()
 
 ~vtkFixedPointRayCastImage () override
 
- 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=NULL)
 These methods allow a command to exclusively grab all events. More...
 
void InternalReleaseFocus ()
 These methods allow a command to exclusively grab all events. More...
 
- Protected Member Functions inherited from vtkObjectBase
 vtkObjectBase ()
 
virtual ~vtkObjectBase ()
 
virtual void CollectRevisions (ostream &)
 
virtual void ReportReferences (vtkGarbageCollector *)
 
 vtkObjectBase (const vtkObjectBase &)
 
void operator= (const vtkObjectBase &)
 

Protected Attributes

int ImageViewportSize [2]
 
int ImageMemorySize [2]
 
int ImageInUseSize [2]
 
int ImageOrigin [2]
 
float ImageSampleDistance
 
unsigned short * Image
 
int ZBufferSize [2]
 
int ZBufferMemorySize
 
int ZBufferOrigin [2]
 
int UseZBuffer
 
floatZBuffer
 
- Protected Attributes inherited from vtkObject
bool Debug
 
vtkTimeStamp MTime
 
vtkSubjectHelper * SubjectHelper
 
- Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32 ReferenceCount
 
vtkWeakPointerBase ** WeakPointers
 

Detailed Description

helper class for a ray cast image

This is a helper class for storing the ray cast image including the underlying data and the size of the image. This class is not intended to be used directly - just as an internal class in the vtkFixedPointVolumeRayCastMapper so that multiple mappers can share the same image. This class also stored the ZBuffer (if necessary due to intermixed geometry). Perhaps this class could be generalized in the future to be used for other ray cast methods other than the fixed point method.

See also
vtkFixedPointVolumeRayCastMapper

Definition at line 39 of file vtkFixedPointRayCastImage.h.

Member Typedef Documentation

Definition at line 43 of file vtkFixedPointRayCastImage.h.

Constructor & Destructor Documentation

vtkFixedPointRayCastImage::vtkFixedPointRayCastImage ( )
protected
vtkFixedPointRayCastImage::~vtkFixedPointRayCastImage ( )
overrideprotected

Member Function Documentation

static vtkFixedPointRayCastImage* vtkFixedPointRayCastImage::New ( )
static
static int vtkFixedPointRayCastImage::IsTypeOf ( const char *  type)
static
virtual int vtkFixedPointRayCastImage::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 vtkObjectBase.

static vtkFixedPointRayCastImage* vtkFixedPointRayCastImage::SafeDownCast ( vtkObjectBase o)
static
virtual vtkObjectBase* vtkFixedPointRayCastImage::NewInstanceInternal ( ) const
protectedvirtual
vtkFixedPointRayCastImage* vtkFixedPointRayCastImage::NewInstance ( ) const
void vtkFixedPointRayCastImage::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 vtkObject.

unsigned short* vtkFixedPointRayCastImage::GetImage ( )
inline

Get the internal storage for the image.

It is a pointer to unsigned short with four components (RGBA) per pixel. This memory is allocated when the AllocateImage method is called.

Definition at line 51 of file vtkFixedPointRayCastImage.h.

virtual void vtkFixedPointRayCastImage::SetImageViewportSize ( int  ,
int   
)
virtual

Set / Get the ImageViewportSize.

This is the size of the whole viewport in pixels.

void vtkFixedPointRayCastImage::SetImageViewportSize ( int  [2])

Set / Get the ImageViewportSize.

This is the size of the whole viewport in pixels.

virtual int* vtkFixedPointRayCastImage::GetImageViewportSize ( )
virtual

Set / Get the ImageViewportSize.

This is the size of the whole viewport in pixels.

virtual void vtkFixedPointRayCastImage::GetImageViewportSize ( int  data[2])
virtual

Set / Get the ImageViewportSize.

This is the size of the whole viewport in pixels.

virtual void vtkFixedPointRayCastImage::SetImageMemorySize ( int  ,
int   
)
virtual

Set / Get the ImageMemorySize.

This is the size in pixels of the Image ivar. This will be a power of two in order to ensure that the texture can be rendered by graphics hardware that requires power of two textures.

void vtkFixedPointRayCastImage::SetImageMemorySize ( int  [2])

Set / Get the ImageMemorySize.

This is the size in pixels of the Image ivar. This will be a power of two in order to ensure that the texture can be rendered by graphics hardware that requires power of two textures.

virtual int* vtkFixedPointRayCastImage::GetImageMemorySize ( )
virtual

Set / Get the ImageMemorySize.

This is the size in pixels of the Image ivar. This will be a power of two in order to ensure that the texture can be rendered by graphics hardware that requires power of two textures.

virtual void vtkFixedPointRayCastImage::GetImageMemorySize ( int  data[2])
virtual

Set / Get the ImageMemorySize.

This is the size in pixels of the Image ivar. This will be a power of two in order to ensure that the texture can be rendered by graphics hardware that requires power of two textures.

virtual void vtkFixedPointRayCastImage::SetImageInUseSize ( int  ,
int   
)
virtual

Set / Get the size of the image we are actually using.

As long as the memory size is big enough, but not too big, we won't bother deleting and re-allocated, we'll just continue to use the memory size we have. This size will always be equal to or less than the ImageMemorySize.

void vtkFixedPointRayCastImage::SetImageInUseSize ( int  [2])

Set / Get the size of the image we are actually using.

As long as the memory size is big enough, but not too big, we won't bother deleting and re-allocated, we'll just continue to use the memory size we have. This size will always be equal to or less than the ImageMemorySize.

virtual int* vtkFixedPointRayCastImage::GetImageInUseSize ( )
virtual

Set / Get the size of the image we are actually using.

As long as the memory size is big enough, but not too big, we won't bother deleting and re-allocated, we'll just continue to use the memory size we have. This size will always be equal to or less than the ImageMemorySize.

virtual void vtkFixedPointRayCastImage::GetImageInUseSize ( int  data[2])
virtual

Set / Get the size of the image we are actually using.

As long as the memory size is big enough, but not too big, we won't bother deleting and re-allocated, we'll just continue to use the memory size we have. This size will always be equal to or less than the ImageMemorySize.

virtual void vtkFixedPointRayCastImage::SetImageOrigin ( int  ,
int   
)
virtual

Set / Get the origin of the image.

This is the starting pixel within the whole viewport that our Image starts on. That is, we could be generating just a subregion of the whole viewport due to the fact that our volume occupies only a portion of the viewport. The Image pixels will start from this location.

void vtkFixedPointRayCastImage::SetImageOrigin ( int  [2])

Set / Get the origin of the image.

This is the starting pixel within the whole viewport that our Image starts on. That is, we could be generating just a subregion of the whole viewport due to the fact that our volume occupies only a portion of the viewport. The Image pixels will start from this location.

virtual int* vtkFixedPointRayCastImage::GetImageOrigin ( )
virtual

Set / Get the origin of the image.

This is the starting pixel within the whole viewport that our Image starts on. That is, we could be generating just a subregion of the whole viewport due to the fact that our volume occupies only a portion of the viewport. The Image pixels will start from this location.

virtual void vtkFixedPointRayCastImage::GetImageOrigin ( int  data[2])
virtual

Set / Get the origin of the image.

This is the starting pixel within the whole viewport that our Image starts on. That is, we could be generating just a subregion of the whole viewport due to the fact that our volume occupies only a portion of the viewport. The Image pixels will start from this location.

virtual void vtkFixedPointRayCastImage::SetImageSampleDistance ( float  )
virtual

Set / Get the ImageSampleDistance that will be used for rendering.

This is a copy of the value stored in the mapper. It is stored here for sharing between all mappers that are participating in the creation of this image.

virtual float vtkFixedPointRayCastImage::GetImageSampleDistance ( )
virtual

Set / Get the ImageSampleDistance that will be used for rendering.

This is a copy of the value stored in the mapper. It is stored here for sharing between all mappers that are participating in the creation of this image.

void vtkFixedPointRayCastImage::AllocateImage ( )

Call this method once the ImageMemorySize has been set the allocate the image.

If an image already exists, it will be deleted first.

void vtkFixedPointRayCastImage::ClearImage ( )

Clear the image to (0,0,0,0) for each pixel.

virtual void vtkFixedPointRayCastImage::SetZBufferSize ( int  ,
int   
)
virtual

Set / Get the size of the ZBuffer in pixels.

The zbuffer will be captured for the region of the screen covered by the ImageInUseSize image. However, due to subsampling, the size of the ImageInUseSize image may be smaller than this ZBuffer image which will be captured at screen resolution.

void vtkFixedPointRayCastImage::SetZBufferSize ( int  [2])

Set / Get the size of the ZBuffer in pixels.

The zbuffer will be captured for the region of the screen covered by the ImageInUseSize image. However, due to subsampling, the size of the ImageInUseSize image may be smaller than this ZBuffer image which will be captured at screen resolution.

virtual int* vtkFixedPointRayCastImage::GetZBufferSize ( )
virtual

Set / Get the size of the ZBuffer in pixels.

The zbuffer will be captured for the region of the screen covered by the ImageInUseSize image. However, due to subsampling, the size of the ImageInUseSize image may be smaller than this ZBuffer image which will be captured at screen resolution.

virtual void vtkFixedPointRayCastImage::GetZBufferSize ( int  data[2])
virtual

Set / Get the size of the ZBuffer in pixels.

The zbuffer will be captured for the region of the screen covered by the ImageInUseSize image. However, due to subsampling, the size of the ImageInUseSize image may be smaller than this ZBuffer image which will be captured at screen resolution.

virtual void vtkFixedPointRayCastImage::SetZBufferOrigin ( int  ,
int   
)
virtual

Set / Get the origin of the ZBuffer.

This is the distance from the lower left corner of the viewport where the ZBuffer started (multiply the ImageOrigin by the ImageSampleDistance) This is the pixel location on the full resolution viewport where the ZBuffer capture will start. These values are used to convert the (x,y) pixel location within the ImageInUseSize image into a ZBuffer location.

void vtkFixedPointRayCastImage::SetZBufferOrigin ( int  [2])

Set / Get the origin of the ZBuffer.

This is the distance from the lower left corner of the viewport where the ZBuffer started (multiply the ImageOrigin by the ImageSampleDistance) This is the pixel location on the full resolution viewport where the ZBuffer capture will start. These values are used to convert the (x,y) pixel location within the ImageInUseSize image into a ZBuffer location.

virtual int* vtkFixedPointRayCastImage::GetZBufferOrigin ( )
virtual

Set / Get the origin of the ZBuffer.

This is the distance from the lower left corner of the viewport where the ZBuffer started (multiply the ImageOrigin by the ImageSampleDistance) This is the pixel location on the full resolution viewport where the ZBuffer capture will start. These values are used to convert the (x,y) pixel location within the ImageInUseSize image into a ZBuffer location.

virtual void vtkFixedPointRayCastImage::GetZBufferOrigin ( int  data[2])
virtual

Set / Get the origin of the ZBuffer.

This is the distance from the lower left corner of the viewport where the ZBuffer started (multiply the ImageOrigin by the ImageSampleDistance) This is the pixel location on the full resolution viewport where the ZBuffer capture will start. These values are used to convert the (x,y) pixel location within the ImageInUseSize image into a ZBuffer location.

virtual void vtkFixedPointRayCastImage::SetUseZBuffer ( int  )
virtual

The UseZBuffer flag indicates whether the ZBuffer is in use.

The ZBuffer is captured and used when IntermixIntersectingGeometry is on in the mapper, and when there are props that have been rendered before the current volume.

virtual int vtkFixedPointRayCastImage::GetUseZBuffer ( )
virtual

The UseZBuffer flag indicates whether the ZBuffer is in use.

The ZBuffer is captured and used when IntermixIntersectingGeometry is on in the mapper, and when there are props that have been rendered before the current volume.

virtual void vtkFixedPointRayCastImage::UseZBufferOn ( )
virtual

The UseZBuffer flag indicates whether the ZBuffer is in use.

The ZBuffer is captured and used when IntermixIntersectingGeometry is on in the mapper, and when there are props that have been rendered before the current volume.

virtual void vtkFixedPointRayCastImage::UseZBufferOff ( )
virtual

The UseZBuffer flag indicates whether the ZBuffer is in use.

The ZBuffer is captured and used when IntermixIntersectingGeometry is on in the mapper, and when there are props that have been rendered before the current volume.

float vtkFixedPointRayCastImage::GetZBufferValue ( int  x,
int  y 
)

Get the ZBuffer value corresponding to location (x,y) where (x,y) are indexing into the ImageInUse image.

This must be converted to the zbuffer image coordinates. Nearest neighbor value is returned. If UseZBuffer is off, then 1.0 is always returned.

float* vtkFixedPointRayCastImage::GetZBuffer ( )
inline

Get the ZBuffer.

The size of the ZBuffer should be specific with SetZBufferSize, and AllocateZBuffer method should be called before getting the ZBuffer.

Definition at line 172 of file vtkFixedPointRayCastImage.h.

void vtkFixedPointRayCastImage::AllocateZBuffer ( )

Member Data Documentation

int vtkFixedPointRayCastImage::ImageViewportSize[2]
protected

Definition at line 183 of file vtkFixedPointRayCastImage.h.

int vtkFixedPointRayCastImage::ImageMemorySize[2]
protected

Definition at line 189 of file vtkFixedPointRayCastImage.h.

int vtkFixedPointRayCastImage::ImageInUseSize[2]
protected

Definition at line 195 of file vtkFixedPointRayCastImage.h.

int vtkFixedPointRayCastImage::ImageOrigin[2]
protected

Definition at line 199 of file vtkFixedPointRayCastImage.h.

float vtkFixedPointRayCastImage::ImageSampleDistance
protected

Definition at line 203 of file vtkFixedPointRayCastImage.h.

unsigned short* vtkFixedPointRayCastImage::Image
protected

Definition at line 206 of file vtkFixedPointRayCastImage.h.

int vtkFixedPointRayCastImage::ZBufferSize[2]
protected

Definition at line 209 of file vtkFixedPointRayCastImage.h.

int vtkFixedPointRayCastImage::ZBufferMemorySize
protected

Definition at line 214 of file vtkFixedPointRayCastImage.h.

int vtkFixedPointRayCastImage::ZBufferOrigin[2]
protected

Definition at line 218 of file vtkFixedPointRayCastImage.h.

int vtkFixedPointRayCastImage::UseZBuffer
protected

Definition at line 221 of file vtkFixedPointRayCastImage.h.

float* vtkFixedPointRayCastImage::ZBuffer
protected

Definition at line 224 of file vtkFixedPointRayCastImage.h.


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