OpenGL subclass that draws the image to the screen. More...

#include <vtkOpenGLGPUVolumeRayCastMapper.h>

Inheritance diagram for vtkOpenGLGPUVolumeRayCastMapper:

Collaboration diagram for vtkOpenGLGPUVolumeRayCastMapper:

Public Types
enum	Passes { RenderPass, DepthPass = 1 }

typedef vtkGPUVolumeRayCastMapper	Superclass

typedef vtkGPUVolumeRayCastMapper	Superclass

Public Types inherited from vtkGPUVolumeRayCastMapper
enum	{ BinaryMaskType = 0, LabelMapMaskType }

typedef vtkVolumeMapper	Superclass

Public Types inherited from vtkVolumeMapper
enum	BlendModes { COMPOSITE_BLEND, MAXIMUM_INTENSITY_BLEND, MINIMUM_INTENSITY_BLEND, AVERAGE_INTENSITY_BLEND, ADDITIVE_BLEND }
	Blend modes. More...

typedef vtkAbstractVolumeMapper	Superclass

Public Types inherited from vtkAbstractVolumeMapper
typedef vtkAbstractMapper3D	Superclass

Public Types inherited from vtkAbstractMapper3D
typedef vtkAbstractMapper	Superclass

Public Types inherited from vtkAbstractMapper
typedef vtkAlgorithm	Superclass

Public Types inherited from vtkAlgorithm
enum	DesiredOutputPrecision { SINGLE_PRECISION, DOUBLE_PRECISION, DEFAULT_PRECISION }
	Values used for setting the desired output precision for various algorithms. More...

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...

vtkOpenGLGPUVolumeRayCastMapper *	NewInstance () const

void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses. More...

virtual int	IsRenderSupported (vtkRenderWindow window, vtkVolumeProperty property)
	Based on hardware and properties, we may or may not be able to render using 3D texture mapping. More...

virtual void	ReleaseGraphicsResources (vtkWindow *window)
	Delete OpenGL objects. More...

virtual int	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class. More...

vtkOpenGLGPUVolumeRayCastMapper *	NewInstance () const

void	PrintSelf (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses. More...

vtkTextureObject *	GetDepthTexture ()

vtkTextureObject *	GetColorTexture ()

void	GetDepthImage (vtkImageData *im)
	Low level API to export the depth texture as vtkImageData in RenderToImage mode. More...

void	GetColorImage (vtkImageData *im)
	Low level API to export the color texture as vtkImageData in RenderToImage mode. More...

virtual int	GetCurrentPass ()


void	SetNoiseGenerator (vtkImplicitFunction *generator)
	Sets a user defined function to generate the ray jittering noise. More...

virtual void	SetNoiseTextureSize (int, int)
	Sets a user defined function to generate the ray jittering noise. More...

void	SetNoiseTextureSize (int[2])
	Sets a user defined function to generate the ray jittering noise. More...

Public Member Functions inherited from vtkGPUVolumeRayCastMapper
vtkGPUVolumeRayCastMapper *	NewInstance () const

vtkContourValues *	GetDepthPassContourValues ()
	Return handle to contour values container so that values can be set by the application. More...

void	CreateCanonicalView (vtkRenderer ren, vtkVolume volume, vtkImageData *image, int blend_mode, double viewDirection[3], double viewUp[3])

void	Render (vtkRenderer , vtkVolume )
	Initialize rendering for this volume. More...

virtual void	SetAutoAdjustSampleDistances (int)
	If AutoAdjustSampleDistances is on, the the ImageSampleDistance will be varied to achieve the allocated render time of this prop (controlled by the desired update rate and any culling in use). More...

virtual int	GetAutoAdjustSampleDistances ()
	If AutoAdjustSampleDistances is on, the the ImageSampleDistance will be varied to achieve the allocated render time of this prop (controlled by the desired update rate and any culling in use). More...

virtual void	AutoAdjustSampleDistancesOn ()
	If AutoAdjustSampleDistances is on, the the ImageSampleDistance will be varied to achieve the allocated render time of this prop (controlled by the desired update rate and any culling in use). More...

virtual void	AutoAdjustSampleDistancesOff ()
	If AutoAdjustSampleDistances is on, the the ImageSampleDistance will be varied to achieve the allocated render time of this prop (controlled by the desired update rate and any culling in use). More...

virtual void	SetLockSampleDistanceToInputSpacing (int)
	Compute the sample distance from the data spacing. More...

virtual int	GetLockSampleDistanceToInputSpacing ()
	Compute the sample distance from the data spacing. More...

virtual void	LockSampleDistanceToInputSpacingOn ()
	Compute the sample distance from the data spacing. More...

virtual void	LockSampleDistanceToInputSpacingOff ()
	Compute the sample distance from the data spacing. More...

virtual void	SetUseJittering (int)
	If UseJittering is on, each ray traversal direction will be perturbed slightly using a noise-texture to get rid of wood-grain effect. More...

virtual int	GetUseJittering ()
	If UseJittering is on, each ray traversal direction will be perturbed slightly using a noise-texture to get rid of wood-grain effect. More...

virtual void	UseJitteringOn ()
	If UseJittering is on, each ray traversal direction will be perturbed slightly using a noise-texture to get rid of wood-grain effect. More...

virtual void	UseJitteringOff ()
	If UseJittering is on, each ray traversal direction will be perturbed slightly using a noise-texture to get rid of wood-grain effect. More...

virtual void	SetUseDepthPass (int)
	If UseDepthPass is on, the mapper will use two passes. More...

virtual int	GetUseDepthPass ()
	If UseDepthPass is on, the mapper will use two passes. More...

virtual void	UseDepthPassOn ()
	If UseDepthPass is on, the mapper will use two passes. More...

virtual void	UseDepthPassOff ()
	If UseDepthPass is on, the mapper will use two passes. More...

virtual void	SetSampleDistance (float)
	Set/Get the distance between samples used for rendering when AutoAdjustSampleDistances is off, or when this mapper has more than 1 second allocated to it for rendering. More...

virtual float	GetSampleDistance ()
	Set/Get the distance between samples used for rendering when AutoAdjustSampleDistances is off, or when this mapper has more than 1 second allocated to it for rendering. More...

virtual void	SetImageSampleDistance (float)
	Sampling distance in the XY image dimensions. More...

virtual float	GetImageSampleDistance ()
	Sampling distance in the XY image dimensions. More...

virtual void	SetMinimumImageSampleDistance (float)
	This is the minimum image sample distance allow when the image sample distance is being automatically adjusted. More...

virtual float	GetMinimumImageSampleDistance ()
	This is the minimum image sample distance allow when the image sample distance is being automatically adjusted. More...

virtual void	SetMaximumImageSampleDistance (float)
	This is the maximum image sample distance allow when the image sample distance is being automatically adjusted. More...

virtual float	GetMaximumImageSampleDistance ()
	This is the maximum image sample distance allow when the image sample distance is being automatically adjusted. More...

virtual void	SetFinalColorWindow (float)
	Set/Get the window / level applied to the final color. More...

virtual float	GetFinalColorWindow ()
	Set/Get the window / level applied to the final color. More...

virtual void	SetFinalColorLevel (float)
	Set/Get the window / level applied to the final color. More...

virtual float	GetFinalColorLevel ()
	Set/Get the window / level applied to the final color. More...

virtual void	SetMaxMemoryInBytes (vtkIdType)
	Maximum size of the 3D texture in GPU memory. More...

virtual vtkIdType	GetMaxMemoryInBytes ()
	Maximum size of the 3D texture in GPU memory. More...

virtual void	SetMaxMemoryFraction (float)
	Maximum fraction of the MaxMemoryInBytes that should be used to hold the texture. More...

virtual float	GetMaxMemoryFraction ()
	Maximum fraction of the MaxMemoryInBytes that should be used to hold the texture. More...

virtual void	SetReportProgress (bool)
	Tells if the mapper will report intermediate progress. More...

virtual bool	GetReportProgress ()
	Tells if the mapper will report intermediate progress. More...

void	SetMaskInput (vtkImageData *mask)
	Optionally, set a mask input. More...

virtual vtkImageData *	GetMaskInput ()
	Optionally, set a mask input. More...

virtual void	SetMaskType (int)
	Set the mask type, if mask is to be used. More...

virtual int	GetMaskType ()
	Set the mask type, if mask is to be used. More...

void	SetMaskTypeToBinary ()
	Set the mask type, if mask is to be used. More...

void	SetMaskTypeToLabelMap ()
	Set the mask type, if mask is to be used. More...

virtual void	SetMaskBlendFactor (float)
	Tells how much mask color transfer function is used compared to the standard color transfer function when the mask is true. More...

virtual float	GetMaskBlendFactor ()
	Tells how much mask color transfer function is used compared to the standard color transfer function when the mask is true. More...

virtual void	SetRenderToImage (int)
	Enable or disable setting output of volume rendering to be color and depth textures. More...

virtual int	GetRenderToImage ()
	Enable or disable setting output of volume rendering to be color and depth textures. More...

virtual void	RenderToImageOn ()
	Enable or disable setting output of volume rendering to be color and depth textures. More...

virtual void	RenderToImageOff ()
	Enable or disable setting output of volume rendering to be color and depth textures. More...

virtual void	SetDepthImageScalarType (int)
	Set/Get the scalar type of the depth texture in RenderToImage mode. More...

virtual int	GetDepthImageScalarType ()
	Set/Get the scalar type of the depth texture in RenderToImage mode. More...

void	SetDepthImageScalarTypeToUnsignedChar ()
	Set/Get the scalar type of the depth texture in RenderToImage mode. More...

void	SetDepthImageScalarTypeToUnsignedShort ()
	Set/Get the scalar type of the depth texture in RenderToImage mode. More...

void	SetDepthImageScalarTypeToFloat ()
	Set/Get the scalar type of the depth texture in RenderToImage mode. More...

virtual void	SetClampDepthToBackface (int)
	Enable or disable clamping the depth value of the fully transparent voxel to the depth of the back-face of the volume. More...

virtual int	GetClampDepthToBackface ()
	Enable or disable clamping the depth value of the fully transparent voxel to the depth of the back-face of the volume. More...

virtual void	ClampDepthToBackfaceOn ()
	Enable or disable clamping the depth value of the fully transparent voxel to the depth of the back-face of the volume. More...

virtual void	ClampDepthToBackfaceOff ()
	Enable or disable clamping the depth value of the fully transparent voxel to the depth of the back-face of the volume. More...

Public Member Functions inherited from vtkVolumeMapper
vtkVolumeMapper *	NewInstance () const

virtual void	SetInputData (vtkImageData *)
	Set/Get the input data. More...

virtual void	SetInputData (vtkDataSet *)
	Set/Get the input data. More...

vtkImageData *	GetInput ()
	Set/Get the input data. More...

virtual void	SetBlendMode (int)
	Set/Get the blend mode. More...

void	SetBlendModeToComposite ()
	Set/Get the blend mode. More...

void	SetBlendModeToMaximumIntensity ()
	Set/Get the blend mode. More...

void	SetBlendModeToMinimumIntensity ()
	Set/Get the blend mode. More...

void	SetBlendModeToAverageIntensity ()
	Set/Get the blend mode. More...

void	SetBlendModeToAdditive ()
	Set/Get the blend mode. More...

virtual int	GetBlendMode ()
	Set/Get the blend mode. More...

virtual void	SetAverageIPScalarRange (double, double)
	Set/Get the scalar range to be considered for average intensity projection blend mode. More...

void	SetAverageIPScalarRange (double[2])
	Set/Get the scalar range to be considered for average intensity projection blend mode. More...

virtual double *	GetAverageIPScalarRange ()
	Set/Get the scalar range to be considered for average intensity projection blend mode. More...

virtual void	GetAverageIPScalarRange (double data[2])
	Set/Get the scalar range to be considered for average intensity projection blend mode. More...

virtual void	SetCropping (int)
	Turn On/Off orthogonal cropping. More...

virtual int	GetCropping ()
	Turn On/Off orthogonal cropping. More...

virtual void	CroppingOn ()
	Turn On/Off orthogonal cropping. More...

virtual void	CroppingOff ()
	Turn On/Off orthogonal cropping. More...

virtual void	SetCroppingRegionPlanes (double, double, double, double, double, double)
	Set/Get the Cropping Region Planes ( xmin, xmax, ymin, ymax, zmin, zmax ) These planes are defined in volume coordinates - spacing and origin are considered. More...

virtual void	SetCroppingRegionPlanes (double[6])
	Set/Get the Cropping Region Planes ( xmin, xmax, ymin, ymax, zmin, zmax ) These planes are defined in volume coordinates - spacing and origin are considered. More...

virtual double *	GetCroppingRegionPlanes ()
	Set/Get the Cropping Region Planes ( xmin, xmax, ymin, ymax, zmin, zmax ) These planes are defined in volume coordinates - spacing and origin are considered. More...

virtual void	GetCroppingRegionPlanes (double data[6])
	Set/Get the Cropping Region Planes ( xmin, xmax, ymin, ymax, zmin, zmax ) These planes are defined in volume coordinates - spacing and origin are considered. More...

virtual double *	GetVoxelCroppingRegionPlanes ()
	Get the cropping region planes in voxels. More...

virtual void	GetVoxelCroppingRegionPlanes (double data[6])
	Get the cropping region planes in voxels. More...

virtual void	SetCroppingRegionFlags (int)
	Set the flags for the cropping regions. More...

virtual int	GetCroppingRegionFlags ()
	Set the flags for the cropping regions. More...

void	SetCroppingRegionFlagsToSubVolume ()
	Set the flags for the cropping regions. More...

void	SetCroppingRegionFlagsToFence ()
	Set the flags for the cropping regions. More...

void	SetCroppingRegionFlagsToInvertedFence ()
	Set the flags for the cropping regions. More...

void	SetCroppingRegionFlagsToCross ()
	Set the flags for the cropping regions. More...

void	SetCroppingRegionFlagsToInvertedCross ()
	Set the flags for the cropping regions. More...

Public Member Functions inherited from vtkAbstractVolumeMapper
vtkAbstractVolumeMapper *	NewInstance () const

virtual char *	GetArrayName ()
	Get the array name or number and component to use for rendering. More...

virtual int	GetArrayId ()

virtual int	GetArrayAccessMode ()

const char *	GetScalarModeAsString ()
	Return the method for obtaining scalar data. More...

vtkDataSet *	GetDataSetInput ()
	Set/Get the input data. More...

vtkDataObject *	GetDataObjectInput ()
	Set/Get the input data. More...

virtual double *	GetBounds ()
	Return bounding box (array of six doubles) of data expressed as (xmin,xmax, ymin,ymax, zmin,zmax). More...

virtual void	GetBounds (double bounds[6])
	Return bounding box (array of six doubles) of data expressed as (xmin,xmax, ymin,ymax, zmin,zmax). More...

virtual void	SetScalarMode (int)
	Control how the mapper works with scalar point data and cell attribute data. More...

virtual int	GetScalarMode ()
	Control how the mapper works with scalar point data and cell attribute data. More...

void	SetScalarModeToDefault ()
	Control how the mapper works with scalar point data and cell attribute data. More...

void	SetScalarModeToUsePointData ()
	Control how the mapper works with scalar point data and cell attribute data. More...

void	SetScalarModeToUseCellData ()
	Control how the mapper works with scalar point data and cell attribute data. More...

void	SetScalarModeToUsePointFieldData ()
	Control how the mapper works with scalar point data and cell attribute data. More...

void	SetScalarModeToUseCellFieldData ()
	Control how the mapper works with scalar point data and cell attribute data. More...

virtual void	SelectScalarArray (int arrayNum)
	When ScalarMode is set to UsePointFieldData or UseCellFieldData, you can specify which scalar array to use during rendering. More...

virtual void	SelectScalarArray (const char *arrayName)
	When ScalarMode is set to UsePointFieldData or UseCellFieldData, you can specify which scalar array to use during rendering. More...

virtual float	GetGradientMagnitudeScale ()
	WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE. More...

virtual float	GetGradientMagnitudeBias ()
	WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE. More...

virtual float	GetGradientMagnitudeScale (int)
	WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE. More...

virtual float	GetGradientMagnitudeBias (int)
	WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE. More...

Public Member Functions inherited from vtkAbstractMapper3D
vtkAbstractMapper3D *	NewInstance () const

double	GetLength ()
	Return the diagonal length of this mappers bounding box. More...

virtual int	IsARayCastMapper ()
	Is this a ray cast mapper? A subclass would return 1 if the ray caster is needed to generate an image from this mapper. More...

virtual int	IsARenderIntoImageMapper ()
	Is this a "render into image" mapper? A subclass would return 1 if the mapper produces an image by rendering into a software image buffer. More...

void	GetClippingPlaneInDataCoords (vtkMatrix4x4 *propMatrix, int i, double planeEquation[4])
	Get the ith clipping plane as a homogeneous plane equation. More...

int	GetNumberOfClippingPlanes ()
	Get the number of clipping planes. More...

double *	GetCenter ()
	Return the Center of this mapper's data. More...

void	GetCenter (double center[3])
	Return the Center of this mapper's data. More...

Public Member Functions inherited from vtkAbstractMapper
vtkAbstractMapper *	NewInstance () const

virtual vtkMTimeType	GetMTime ()
	Override Modifiedtime as we have added Clipping planes. More...

void	SetClippingPlanes (vtkPlanes *planes)
	An alternative way to set clipping planes: use up to six planes found in the supplied instance of the implicit function vtkPlanes. More...

void	ShallowCopy (vtkAbstractMapper *m)
	Make a shallow copy of this mapper. More...

virtual double	GetTimeToDraw ()
	Get the time required to draw the geometry last time it was rendered. More...

void	AddClippingPlane (vtkPlane *plane)
	Specify clipping planes to be applied when the data is mapped (at most 6 clipping planes can be specified). More...

void	RemoveClippingPlane (vtkPlane *plane)
	Specify clipping planes to be applied when the data is mapped (at most 6 clipping planes can be specified). More...

void	RemoveAllClippingPlanes ()
	Specify clipping planes to be applied when the data is mapped (at most 6 clipping planes can be specified). More...

virtual void	SetClippingPlanes (vtkPlaneCollection *)
	Get/Set the vtkPlaneCollection which specifies the clipping planes. More...

virtual vtkPlaneCollection *	GetClippingPlanes ()
	Get/Set the vtkPlaneCollection which specifies the clipping planes. More...

Public Member Functions inherited from vtkAlgorithm
vtkAlgorithm *	NewInstance () const

int	HasExecutive ()
	Check whether this algorithm has an assigned executive. More...

vtkExecutive *	GetExecutive ()
	Get this algorithm's executive. More...

virtual void	SetExecutive (vtkExecutive *executive)
	Set this algorithm's executive. More...

virtual int	ProcessRequest (vtkInformation request, vtkInformationVector inInfo, vtkInformationVector outInfo)
	Upstream/Downstream requests form the generalized interface through which executives invoke a algorithm's functionality. More...

int	ProcessRequest (vtkInformation request, vtkCollection inInfo, vtkInformationVector *outInfo)
	Version of ProcessRequest() that is wrapped. More...

virtual int	ComputePipelineMTime (vtkInformation request, vtkInformationVector inInfoVec, vtkInformationVector outInfoVec, int requestFromOutputPort, vtkMTimeType *mtime)
	A special version of ProcessRequest meant specifically for the pipeline modified time request. More...

virtual int	ModifyRequest (vtkInformation *request, int when)
	This method gives the algorithm a chance to modify the contents of a request before or after (specified in the when argument) it is forwarded. More...

vtkInformation *	GetInputPortInformation (int port)
	Get the information object associated with an input port. More...

vtkInformation *	GetOutputPortInformation (int port)
	Get the information object associated with an output port. More...

int	GetNumberOfInputPorts ()
	Get the number of input ports used by the algorithm. More...

int	GetNumberOfOutputPorts ()
	Get the number of output ports provided by the algorithm. More...

void	UpdateProgress (double amount)
	Update the progress of the process object. More...

virtual void	SetInputArrayToProcess (int idx, int port, int connection, const char fieldAssociation, const char attributeTypeorName)
	String based versions of SetInputArrayToProcess(). More...

vtkInformation *	GetInputArrayInformation (int idx)
	Get the info object for the specified input array to this algorithm. More...

void	RemoveAllInputs ()
	Remove all the input data. More...

vtkDataObject *	GetOutputDataObject (int port)
	Get the data object that will contain the algorithm output for the given port. More...

vtkDataObject *	GetInputDataObject (int port, int connection)
	Get the data object that will contain the algorithm input for the given port and given connection. More...

virtual void	RemoveInputConnection (int port, vtkAlgorithmOutput *input)
	Remove a connection from the given input port index. More...

virtual void	RemoveInputConnection (int port, int idx)
	Remove a connection given by index idx. More...

virtual void	RemoveAllInputConnections (int port)
	Removes all input connections. More...

virtual void	SetInputDataObject (int port, vtkDataObject *data)
	Sets the data-object as an input on the given port index. More...

virtual void	SetInputDataObject (vtkDataObject *data)

virtual void	AddInputDataObject (int port, vtkDataObject *data)
	Add the data-object as an input to this given port. More...

virtual void	AddInputDataObject (vtkDataObject *data)

vtkAlgorithmOutput *	GetOutputPort (int index)
	Get a proxy object corresponding to the given output port of this algorithm. More...

vtkAlgorithmOutput *	GetOutputPort ()

int	GetNumberOfInputConnections (int port)
	Get the number of inputs currently connected to a port. More...

int	GetTotalNumberOfInputConnections ()
	Get the total number of inputs for this algorithm. More...

vtkAlgorithmOutput *	GetInputConnection (int port, int index)
	Get the algorithm output port connected to an input port. More...

vtkAlgorithm *	GetInputAlgorithm (int port, int index, int &algPort)
	Returns the algorithm and the output port index of that algorithm connected to a port-index pair. More...

vtkAlgorithm *	GetInputAlgorithm (int port, int index)
	Returns the algorithm connected to a port-index pair. More...

vtkAlgorithm *	GetInputAlgorithm ()
	Equivalent to GetInputAlgorithm(0, 0). More...

vtkExecutive *	GetInputExecutive (int port, int index)
	Returns the executive associated with a particular input connection. More...

vtkExecutive *	GetInputExecutive ()
	Equivalent to GetInputExecutive(0, 0) More...

vtkInformation *	GetInputInformation (int port, int index)
	Return the information object that is associated with a particular input connection. More...

vtkInformation *	GetInputInformation ()
	Equivalent to GetInputInformation(0, 0) More...

vtkInformation *	GetOutputInformation (int port)
	Return the information object that is associated with a particular output port. More...

virtual int	Update (int port, vtkInformationVector *requests)
	This method enables the passing of data requests to the algorithm to be used during execution (in addition to bringing a particular port up-to-date). More...

virtual int	Update (vtkInformation *requests)
	Convenience method to update an algorithm after passing requests to its first output port. More...

virtual int	UpdatePiece (int piece, int numPieces, int ghostLevels, const int extents[6]=0)
	Convenience method to update an algorithm after passing requests to its first output port. More...

virtual int	UpdateExtent (const int extents[6])
	Convenience method to update an algorithm after passing requests to its first output port. More...

virtual int	UpdateTimeStep (double time, int piece=-1, int numPieces=1, int ghostLevels=0, const int extents[6]=0)
	Convenience method to update an algorithm after passing requests to its first output port. More...

virtual void	UpdateInformation ()
	Bring the algorithm's information up-to-date. More...

virtual void	UpdateDataObject ()
	Create output object(s). More...

virtual void	PropagateUpdateExtent ()
	Propagate meta-data upstream. More...

virtual void	UpdateWholeExtent ()
	Bring this algorithm's outputs up-to-date. More...

void	ConvertTotalInputToPortConnection (int ind, int &port, int &conn)
	Convenience routine to convert from a linear ordering of input connections to a port/connection pair. More...

int	SetUpdateExtentToWholeExtent (int port)
	If the whole output extent is required, this method can be called to set the output update extent to the whole extent. More...

int	SetUpdateExtentToWholeExtent ()
	Convenience function equivalent to SetUpdateExtentToWholeExtent(0) This method assumes that the whole extent is known (that UpdateInformation has been called). More...

void	SetUpdateExtent (int port, int piece, int numPieces, int ghostLevel)
	Set the output update extent in terms of piece and ghost levels. More...

void	SetUpdateExtent (int piece, int numPieces, int ghostLevel)
	Convenience function equivalent to SetUpdateExtent(0, piece, numPieces, ghostLevel) More...

void	SetUpdateExtent (int port, int extent[6])
	Set the output update extent for data objects that use 3D extents. More...

void	SetUpdateExtent (int extent[6])
	Convenience function equivalent to SetUpdateExtent(0, extent) More...

virtual vtkInformation *	GetInformation ()
	Set/Get the information object associated with this algorithm. More...

virtual void	SetInformation (vtkInformation *)
	Set/Get the information object associated with this algorithm. More...

void	Register (vtkObjectBase *o) override
	Participate in garbage collection. More...

void	UnRegister (vtkObjectBase *o) override
	Participate in garbage collection. More...

virtual void	SetAbortExecute (int)
	Set/Get the AbortExecute flag for the process object. More...

virtual int	GetAbortExecute ()
	Set/Get the AbortExecute flag for the process object. More...

virtual void	AbortExecuteOn ()
	Set/Get the AbortExecute flag for the process object. More...

virtual void	AbortExecuteOff ()
	Set/Get the AbortExecute flag for the process object. More...

virtual void	SetProgress (double)
	Set/Get the execution progress of a process object. More...

virtual double	GetProgress ()
	Set/Get the execution progress of a process object. More...

void	SetProgressText (const char *ptext)
	Set the current text message associated with the progress state. More...

virtual char *	GetProgressText ()
	Set the current text message associated with the progress state. More...

virtual unsigned long	GetErrorCode ()
	The error code contains a possible error that occurred while reading or writing the file. More...

virtual void	SetInputArrayToProcess (int idx, int port, int connection, int fieldAssociation, const char *name)
	Set the input data arrays that this algorithm will process. More...

virtual void	SetInputArrayToProcess (int idx, int port, int connection, int fieldAssociation, int fieldAttributeType)
	Set the input data arrays that this algorithm will process. More...

virtual void	SetInputArrayToProcess (int idx, vtkInformation *info)
	Set the input data arrays that this algorithm will process. More...

virtual void	SetInputConnection (int port, vtkAlgorithmOutput *input)
	Set the connection for the given input port index. More...

virtual void	SetInputConnection (vtkAlgorithmOutput *input)
	Set the connection for the given input port index. More...

virtual void	AddInputConnection (int port, vtkAlgorithmOutput *input)
	Add a connection to the given input port index. More...

virtual void	AddInputConnection (vtkAlgorithmOutput *input)
	Add a connection to the given input port index. More...

virtual void	Update (int port)
	Bring this algorithm's outputs up-to-date. More...

virtual void	Update ()
	Bring this algorithm's outputs up-to-date. More...

virtual void	SetReleaseDataFlag (int)
	Turn release data flag on or off for all output ports. More...

virtual int	GetReleaseDataFlag ()
	Turn release data flag on or off for all output ports. More...

void	ReleaseDataFlagOn ()
	Turn release data flag on or off for all output ports. More...

void	ReleaseDataFlagOff ()
	Turn release data flag on or off for all output ports. More...

int	UpdateExtentIsEmpty (vtkInformation pinfo, vtkDataObject output)
	This detects when the UpdateExtent will generate no data This condition is satisfied when the UpdateExtent has zero volume (0,-1,...) or the UpdateNumberOfPieces is 0. More...

int	UpdateExtentIsEmpty (vtkInformation *pinfo, int extentType)
	This detects when the UpdateExtent will generate no data This condition is satisfied when the UpdateExtent has zero volume (0,-1,...) or the UpdateNumberOfPieces is 0. More...

int *	GetUpdateExtent ()
	These functions return the update extent for output ports that use 3D extents. More...

int *	GetUpdateExtent (int port)
	These functions return the update extent for output ports that use 3D extents. More...

void	GetUpdateExtent (int &x0, int &x1, int &y0, int &y1, int &z0, int &z1)
	These functions return the update extent for output ports that use 3D extents. More...

void	GetUpdateExtent (int port, int &x0, int &x1, int &y0, int &y1, int &z0, int &z1)
	These functions return the update extent for output ports that use 3D extents. More...

void	GetUpdateExtent (int extent[6])
	These functions return the update extent for output ports that use 3D extents. More...

void	GetUpdateExtent (int port, int extent[6])
	These functions return the update extent for output ports that use 3D extents. More...

int	GetUpdatePiece ()
	These functions return the update extent for output ports that use piece extents. More...

int	GetUpdatePiece (int port)
	These functions return the update extent for output ports that use piece extents. More...

int	GetUpdateNumberOfPieces ()
	These functions return the update extent for output ports that use piece extents. More...

int	GetUpdateNumberOfPieces (int port)
	These functions return the update extent for output ports that use piece extents. More...

int	GetUpdateGhostLevel ()
	These functions return the update extent for output ports that use piece extents. More...

int	GetUpdateGhostLevel (int port)
	These functions return the update extent for output ports that use piece extents. More...

void	SetProgressObserver (vtkProgressObserver *)
	If an ProgressObserver is set, the algorithm will report progress through it rather than directly. More...

virtual vtkProgressObserver *	GetProgressObserver ()
	If an ProgressObserver is set, the algorithm will report progress through it rather than directly. 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...

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...

vtkCommand *	GetCommand (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...

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 vtkOpenGLGPUVolumeRayCastMapper *	New ()

static int	IsTypeOf (const char *type)

static vtkOpenGLGPUVolumeRayCastMapper *	SafeDownCast (vtkObjectBase *o)

static const char *	OpenGLErrorMessage (unsigned int errorCode)
	Return a string matching the OpenGL errorCode. More...

static void	PrintError (const char *headerMessage)
	Display headerMessage on the standard output and the last OpenGL error message if any. More...

static vtkOpenGLGPUVolumeRayCastMapper *	New ()

static int	IsTypeOf (const char *type)

static vtkOpenGLGPUVolumeRayCastMapper *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkGPUVolumeRayCastMapper
static vtkGPUVolumeRayCastMapper *	New ()

static int	IsTypeOf (const char *type)

static vtkGPUVolumeRayCastMapper *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkVolumeMapper
static int	IsTypeOf (const char *type)

static vtkVolumeMapper *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkAbstractVolumeMapper
static int	IsTypeOf (const char *type)

static vtkAbstractVolumeMapper *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkAbstractMapper3D
static int	IsTypeOf (const char *type)

static vtkAbstractMapper3D *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkAbstractMapper
static int	IsTypeOf (const char *type)

static vtkAbstractMapper *	SafeDownCast (vtkObjectBase *o)

static vtkDataArray *	GetScalars (vtkDataSet input, int scalarMode, int arrayAccessMode, int arrayId, const char arrayName, int &cellFlag)
	Internal helper function for getting the active scalars. More...

static vtkAbstractArray *	GetAbstractScalars (vtkDataSet input, int scalarMode, int arrayAccessMode, int arrayId, const char arrayName, int &cellFlag)
	Internal helper function for getting the active scalars as an abstract array. More...

Static Public Member Functions inherited from vtkAlgorithm
static vtkAlgorithm *	New ()

static int	IsTypeOf (const char *type)

static vtkAlgorithm *	SafeDownCast (vtkObjectBase *o)

static vtkInformationIntegerKey *	INPUT_IS_OPTIONAL ()
	Keys used to specify input port requirements. More...

static vtkInformationIntegerKey *	INPUT_IS_REPEATABLE ()

static vtkInformationInformationVectorKey *	INPUT_REQUIRED_FIELDS ()

static vtkInformationStringVectorKey *	INPUT_REQUIRED_DATA_TYPE ()

static vtkInformationInformationVectorKey *	INPUT_ARRAYS_TO_PROCESS ()

static vtkInformationIntegerKey *	INPUT_PORT ()

static vtkInformationIntegerKey *	INPUT_CONNECTION ()

static vtkInformationIntegerKey *	CAN_PRODUCE_SUB_EXTENT ()
	This key tells the executive that a particular output port is capable of producing an arbitrary subextent of the whole extent. More...

static vtkInformationIntegerKey *	CAN_HANDLE_PIECE_REQUEST ()
	Key that tells the pipeline that a particular algorithm can or cannot handle piece request. More...

static void	SetDefaultExecutivePrototype (vtkExecutive *proto)
	If the DefaultExecutivePrototype is set, a copy of it is created in CreateDefaultExecutive() using NewInstance(). More...

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. 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 vtkObjectBase *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const

	vtkOpenGLGPUVolumeRayCastMapper ()

	~vtkOpenGLGPUVolumeRayCastMapper ()

virtual void	GPURender (vtkRenderer ren, vtkVolume vol)
	Handled in the subclass - the actual render method. More...

virtual void	PreRender (vtkRenderer ren, vtkVolume vol, double datasetBounds[6], double scalarRange[2], int numberOfScalarComponents, unsigned int numberOfLevels)

virtual void	RenderBlock (vtkRenderer ren, vtkVolume vol, unsigned int level)

virtual void	PostRender (vtkRenderer *ren, int numberOfScalarComponents)

int	TestRequiredExtension (vtkOpenGLExtensionManager extensions, const char extensionName)
	Return if the required OpenGL extension `extensionName' is supported. More...

void	LoadExtensions (vtkRenderWindow *window)
	Attempt to load required and optional OpenGL extensions for the current context window. More...

void	CreateOpenGLObjects (vtkRenderer *ren)
	Create OpenGL objects such as textures, buffers and fragment program Ids. More...

int	AllocateFrameBuffers (vtkRenderer *ren)
	Allocate memory on the GPU for the framebuffers according to the size of the window or reallocate if the size has changed. More...

int	LoadScalarField (vtkImageData input, vtkImageData maskInput, int textureExtent[6], vtkVolume *volume)
	Load the scalar field (one or four component scalar field), cell or point based for a given subextent of the whole extent (can be the whole extent) as a 3D texture on the GPU. More...

int	UpdateColorTransferFunction (vtkVolume *vol, int numberOfScalarComponents)
	Allocate memory and load color table on the GPU or reload it if the transfer function changed. More...

int	UpdateOpacityTransferFunction (vtkVolume *vol, int numberOfScalarComponents, unsigned int level)
	Allocate memory and load opacity table on the GPU or reload it if the transfer functions changed. More...

void	SetupRender (vtkRenderer ren, vtkVolume vol)
	Prepare rendering in the offscreen framebuffer. More...

void	ClipBoundingBox (vtkRenderer ren, double worldBounds[6], vtkVolume vol)
	Clip the bounding box with all clipping planes and the near and far plane. More...

int	RenderClippedBoundingBox (int tcoordFlag, size_t currentBlock, size_t numberOfBlocks, vtkRenderWindow *renWin)
	Render the bounding box. More...

void	CopyFBOToTexture ()
	Method used to copy the state of the color buffer (which is in a frame buffer object) to a texture. More...

void	CleanupRender ()
	Restore OpenGL state after rendering of the dataset. More...

void	RenderTextureToScreen (vtkRenderer *ren)
	Render the offscreen buffer to the screen. More...

int	PowerOfTwoGreaterOrEqual (int x)
	Compute y=2^n such that x<=y. More...

void	CheckFrameBufferStatus ()
	Display the status of the current framebuffer on the standard output. More...

vtkStdString	BufferToString (int buffer)
	Create a string from a buffer id. More...

void	DisplayReadAndDrawBuffers ()
	Display the buffers assigned for drawing and reading operations. More...

void	DisplayFrameBufferAttachments ()
	Display all the attachments of the current framebuffer object. More...

void	DisplayFrameBufferAttachment (unsigned int uattachment)
	Display a given attachment for the current framebuffer object. More...

void	BuildProgram (vtkRenderWindow *w, int parallelProjection, int raycastMethod, int shadeMethod, int componentMethod)
	Concatenate the header string, projection type code and method to the final fragment code in this->FragmentCode. More...

void	GetLightingStatus ()
	Return the current OpenGL state about lighting. More...

void	ComputeReductionFactor (double allocatedTime)
	Update the reduction factor of the render viewport (this->ReductionFactor) according to the time spent in seconds to render the previous frame (this->TimeToDraw) and a time in seconds allocated to render the next frame (allocatedTime). More...

void	RenderWholeVolume (vtkRenderer ren, vtkVolume vol)
	Render a subvolume. More...

void	RenderRegions (vtkRenderer ren, vtkVolume vol)
	Render a subvolume. More...

int	RenderSubVolume (vtkRenderer ren, double bounds[6], vtkVolume vol)

void	LoadProjectionParameters (vtkRenderer ren, vtkVolume vol)

void	ComputeNumberOfCroppingRegions ()
	Compute and return the number of cropping regions. More...

void	GetTextureFormat (vtkImageData input, unsigned int internalFormat, unsigned int format, unsigned int type, int *componentSize)

bool	TestLoadingScalar (unsigned int internalFormat, unsigned int format, unsigned int type, int textureSize[3], int componentSize)

void	SlabsFromDatasetToIndex (double slabsDataSet[6], double slabsPoints[6])

void	SlabsFromIndexToDataset (double slabsPoints[6], double slabsDataSet[6])

const char *	GetEnabledString (unsigned char value)

void	GetOpenGLState ()

void	DebugDisplayBox (vtkPolyData *box)

void	UpdateNoiseTexture ()

double	ComputeMinimalSampleDistancePerPixel (vtkRenderer renderer, vtkVolume volume)
	Compute how each axis of a cell is projected on the viewport in pixel. More...

virtual void	GetReductionRatio (double ratio[3])
	Return how much the dataset has to be reduced in each dimension to fit on the GPU. More...

void	BuildScaleBiasProgram (vtkRenderWindow *w)
	Build the fragment shader program that scale and bias a texture for window/level purpose. More...

virtual vtkObjectBase *	NewInstanceInternal () const

	vtkOpenGLGPUVolumeRayCastMapper ()

	~vtkOpenGLGPUVolumeRayCastMapper ()

virtual void	ReleaseGraphicsResources (vtkWindow *window)
	Release any graphics resources that are being consumed by this mapper. More...

void	BuildDepthPassShader (vtkRenderer ren, vtkVolume vol, int noOfComponents, int independentComponents)

void	BuildShader (vtkRenderer ren, vtkVolume vol, int noOfCmponents)

virtual void	PreRender (vtkRenderer vtkNotUsed(ren), vtkVolume vtkNotUsed(vol), double vtkNotUsed(datasetBounds)[6], double vtkNotUsed(scalarRange)[2], int vtkNotUsed(noOfComponents), unsigned int vtkNotUsed(numberOfLevels))

virtual void	RenderBlock (vtkRenderer vtkNotUsed(ren), vtkVolume vtkNotUsed(vol), unsigned int vtkNotUsed(level))

virtual void	PostRender (vtkRenderer *vtkNotUsed(ren), int vtkNotUsed(noOfComponents))

void	GPURender (vtkRenderer ren, vtkVolume vol)
	Handled in the subclass - the actual render method. More...

void	DoGPURender (vtkRenderer ren, vtkVolume vol, vtkImageData input, vtkOpenGLCamera cam, vtkShaderProgram *shaderProgram, int noOfComponents, int independentComponents)

void	ComputeReductionFactor (double allocatedTime)

void	GetReductionRatio (double *ratio)

virtual int	IsRenderSupported (vtkRenderWindow vtkNotUsed(window), vtkVolumeProperty vtkNotUsed(property))
	Based on hardware and properties, we may or may not be able to render using 3D texture mapping. More...

Protected Member Functions inherited from vtkGPUVolumeRayCastMapper
	vtkGPUVolumeRayCastMapper ()

	~vtkGPUVolumeRayCastMapper ()

int	ValidateRender (vtkRenderer , vtkVolume )

void	CanonicalViewRender (vtkRenderer , vtkVolume )

void	SetCellFlag (int cellFlag)
	Called by the AMR Volume Mapper. More...

virtual void	ClipCroppingRegionPlanes ()
	Compute the cropping planes clipped by the bounds of the volume. More...

virtual vtkImageData *	GetTransformedInput ()

void	SetTransformedInput (vtkImageData *)

virtual void	SetAMRMode (int)
	Set the mapper in AMR Mode or not. More...

virtual int	GetAMRMode ()
	Set the mapper in AMR Mode or not. More...

virtual void	AMRModeOn ()
	Set the mapper in AMR Mode or not. More...

virtual void	AMRModeOff ()
	Set the mapper in AMR Mode or not. More...

Protected Member Functions inherited from vtkVolumeMapper
	vtkVolumeMapper ()

	~vtkVolumeMapper ()

double	SpacingAdjustedSampleDistance (double inputSpacing[3], int inputExtent[6])
	Compute a sample distance from the data spacing. More...

virtual int	FillInputPortInformation (int, vtkInformation *)
	Fill the input port information objects for this algorithm. More...

void	ConvertCroppingRegionPlanesToVoxels ()
	Cropping variables, and a method for converting the world coordinate cropping region planes to voxel coordinates. More...

Protected Member Functions inherited from vtkAbstractVolumeMapper
	vtkAbstractVolumeMapper ()

	~vtkAbstractVolumeMapper ()

Protected Member Functions inherited from vtkAbstractMapper3D
	vtkAbstractMapper3D ()

	~vtkAbstractMapper3D ()

Protected Member Functions inherited from vtkAbstractMapper
	vtkAbstractMapper ()

	~vtkAbstractMapper ()

Protected Member Functions inherited from vtkAlgorithm
	vtkAlgorithm ()

	~vtkAlgorithm () override

virtual int	FillOutputPortInformation (int port, vtkInformation *info)
	Fill the output port information objects for this algorithm. More...

virtual void	SetNumberOfInputPorts (int n)
	Set the number of input ports used by the algorithm. More...

virtual void	SetNumberOfOutputPorts (int n)
	Set the number of output ports provided by the algorithm. More...

int	InputPortIndexInRange (int index, const char *action)

int	OutputPortIndexInRange (int index, const char *action)

int	GetInputArrayAssociation (int idx, vtkInformationVector **inputVector)
	Get the assocition of the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...

vtkInformation *	GetInputArrayFieldInformation (int idx, vtkInformationVector **inputVector)
	This method takes in an index (as specified in SetInputArrayToProcess) and a pipeline information vector. More...

virtual vtkExecutive *	CreateDefaultExecutive ()
	Create a default executive. More...

void	ReportReferences (vtkGarbageCollector *) override

virtual void	SetNthInputConnection (int port, int index, vtkAlgorithmOutput *input)
	Replace the Nth connection on the given input port. More...

virtual void	SetNumberOfInputConnections (int port, int n)
	Set the number of input connections on the given input port. More...

void	SetInputDataInternal (int port, vtkDataObject *input)
	These methods are used by subclasses to implement methods to set data objects directly as input. More...

void	AddInputDataInternal (int port, vtkDataObject *input)

int	GetInputArrayAssociation (int idx, int connection, vtkInformationVector **inputVector)
	Filters that have multiple connections on one port can use this signature. More...

int	GetInputArrayAssociation (int idx, vtkDataObject *input)
	Filters that have multiple connections on one port can use this signature. More...

vtkDataArray *	GetInputArrayToProcess (int idx, vtkInformationVector **inputVector)
	Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...

vtkDataArray *	GetInputArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)
	Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...

vtkDataArray *	GetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
	Filters that have multiple connections on one port can use this signature. More...

vtkDataArray *	GetInputArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
	Filters that have multiple connections on one port can use this signature. More...

vtkDataArray *	GetInputArrayToProcess (int idx, vtkDataObject *input)
	Filters that have multiple connections on one port can use this signature. More...

vtkDataArray *	GetInputArrayToProcess (int idx, vtkDataObject *input, int &association)
	Filters that have multiple connections on one port can use this signature. More...

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector)
	Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkInformationVector **inputVector, int &association)
	Get the actual data array for the input array specified by idx, this is only reasonable during the REQUEST_DATA pass. More...

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector)
	Filters that have multiple connections on one port can use this signature. More...

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, int connection, vtkInformationVector **inputVector, int &association)
	Filters that have multiple connections on one port can use this signature. More...

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkDataObject *input)
	Filters that have multiple connections on one port can use this signature. More...

vtkAbstractArray *	GetInputAbstractArrayToProcess (int idx, vtkDataObject *input, int &association)
	Filters that have multiple connections on one port can use this signature. More...

virtual void	SetErrorCode (unsigned long)
	The error code contains a possible error that occurred while reading or writing the file. More...

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 &)

	vtkObjectBase (const vtkObjectBase &)

void	operator= (const vtkObjectBase &)

Protected Attributes
int	NumberOfCroppingRegions

double	BoundingBox [8][3]

vtkPolyData *	PolyDataBoundingBox

vtkPlaneCollection *	Planes

vtkPlane *	NearPlane

vtkClipConvexPolyData *	Clip

vtkMatrix4x4 *	InvVolumeMatrix

vtkDensifyPolyData *	Densify

int	OpenGLObjectsCreated

int	NumberOfFrameBuffers

unsigned int	FrameBufferObject

unsigned int	DepthRenderBufferObject

unsigned int	TextureObjects [5]

unsigned int	MaxValueFrameBuffer

unsigned int	MaxValueFrameBuffer2

int	ReducedSize [2]

vtkPolyData *	ClippedBoundingBox

int	LastSize [2]

double	ReductionFactor

vtkUnsupportedRequiredExtensionsStringStream *	UnsupportedRequiredExtensions

int	LoadExtensionsSucceeded

int	Supports_GL_ARB_texture_float

int	SupportsPixelBufferObjects

vtkTimeStamp	DataBufferTime

vtkMatrix4x4 *	TempMatrix [3]

double	TableRange [2]

int	ErrorLine

int	ErrorColumn

char *	ErrorString

int	LastParallelProjection

int	LastRayCastMethod

int	LastCroppingMode

int	LastComponent

int	LastShade

vtkImageData *	SmallInput

vtkTimeStamp	SmallInputBuildTime

unsigned int	SavedFrameBuffer

vtkTessellatedBoxSource *	BoxSource

float *	NoiseTexture

int	NoiseTextureSize

unsigned int	NoiseTextureId

bool	IgnoreSampleDistancePerPixel

vtkMapDataArrayTextureId *	ScalarsTextures

vtkMapMaskTextureId *	MaskTextures

vtkRGBTable *	RGBTable

vtkRGBTable *	Mask1RGBTable

vtkRGBTable *	Mask2RGBTable

vtkOpacityTables *	OpacityTables

vtkKWScalarField *	CurrentScalar

vtkKWMask *	CurrentMask

float	ActualSampleDistance

double	LastProgressEventTime

bool	PreserveOrientation

vtkShaderProgram2 *	Program

vtkShader2 *	Main

vtkShader2 *	Projection

vtkShader2 *	Trace

vtkShader2 *	CroppingShader

vtkShader2 *	Component

vtkShader2 *	Shade

bool	SizeChanged

vtkShaderProgram2 *	ScaleBiasProgram

vtkGenericOpenGLResourceFreeCallback *	ResourceCallback

int	CurrentPass

Protected Attributes inherited from vtkGPUVolumeRayCastMapper
int	LockSampleDistanceToInputSpacing

int	AutoAdjustSampleDistances

float	ImageSampleDistance

float	MinimumImageSampleDistance

float	MaximumImageSampleDistance

int	RenderToImage

int	DepthImageScalarType

int	ClampDepthToBackface

int	UseJittering

int	UseDepthPass

vtkContourValues *	DepthPassContourValues

float	SampleDistance

int	SmallVolumeRender

double	BigTimeToDraw

double	SmallTimeToDraw

float	FinalColorWindow

float	FinalColorLevel

int	GeneratingCanonicalView

vtkImageData *	CanonicalViewImageData

vtkImageData *	MaskInput

float	MaskBlendFactor

int	MaskType

int	AMRMode

int	CellFlag

double	ClippedCroppingRegionPlanes [6]

vtkIdType	MaxMemoryInBytes

float	MaxMemoryFraction

bool	ReportProgress

vtkImageData *	TransformedInput

vtkImageData *	LastInput
	This is needed only to check if the input data has been changed since the last Render() call. More...

Protected Attributes inherited from vtkVolumeMapper
int	BlendMode

double	AverageIPScalarRange [2]
	Threshold range for average intensity projection. More...

int	Cropping
	Cropping variables, and a method for converting the world coordinate cropping region planes to voxel coordinates. More...

double	CroppingRegionPlanes [6]
	Cropping variables, and a method for converting the world coordinate cropping region planes to voxel coordinates. More...

double	VoxelCroppingRegionPlanes [6]
	Cropping variables, and a method for converting the world coordinate cropping region planes to voxel coordinates. More...

int	CroppingRegionFlags
	Cropping variables, and a method for converting the world coordinate cropping region planes to voxel coordinates. More...

Protected Attributes inherited from vtkAbstractVolumeMapper
int	ScalarMode

char *	ArrayName

int	ArrayId

int	ArrayAccessMode

Protected Attributes inherited from vtkAbstractMapper3D
double	Bounds [6]

double	Center [3]

Protected Attributes inherited from vtkAbstractMapper
vtkTimerLog *	Timer

double	TimeToDraw

vtkWindow *	LastWindow

vtkPlaneCollection *	ClippingPlanes

Protected Attributes inherited from vtkAlgorithm
vtkInformation *	Information

double	Progress

char *	ProgressText

vtkProgressObserver *	ProgressObserver

unsigned long	ErrorCode
	The error code contains a possible error that occurred while reading or writing the file. More...

Protected Attributes inherited from vtkObject
bool	Debug

vtkTimeStamp	MTime

vtkSubjectHelper *	SubjectHelper

Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32	ReferenceCount

vtkWeakPointerBase **	WeakPointers

Additional Inherited Members
Public Attributes inherited from vtkAlgorithm
int	AbortExecute

Static Protected Member Functions inherited from vtkAlgorithm
static vtkInformationIntegerKey *	PORT_REQUIREMENTS_FILLED ()

Static Protected Attributes inherited from vtkAlgorithm
static vtkExecutive *	DefaultExecutivePrototype

Detailed Description

OpenGL subclass that draws the image to the screen.

This is the concrete implementation of a ray cast image display helper - a helper class responsible for drawing the image to the screen.

See also: vtkGPUVolumeRayCastMapper

Thanks:: Thanks to Michael Granseier for helping to debug this class with respect to maximum memory issues (which must be specified as vtkIdType and not int).

Definition at line 61 of file vtkOpenGLGPUVolumeRayCastMapper.h.

Member Typedef Documentation

typedef vtkGPUVolumeRayCastMapper vtkOpenGLGPUVolumeRayCastMapper::Superclass

Definition at line 66 of file vtkOpenGLGPUVolumeRayCastMapper.h.

typedef vtkGPUVolumeRayCastMapper vtkOpenGLGPUVolumeRayCastMapper::Superclass

Definition at line 43 of file vtkOpenGLGPUVolumeRayCastMapper.h.

Member Enumeration Documentation

enum vtkOpenGLGPUVolumeRayCastMapper::Passes

Enumerator
RenderPass
DepthPass

Definition at line 37 of file vtkOpenGLGPUVolumeRayCastMapper.h.

Constructor & Destructor Documentation

vtkOpenGLGPUVolumeRayCastMapper::vtkOpenGLGPUVolumeRayCastMapper ( )

protected

vtkOpenGLGPUVolumeRayCastMapper::~vtkOpenGLGPUVolumeRayCastMapper ( )

protected

vtkOpenGLGPUVolumeRayCastMapper::vtkOpenGLGPUVolumeRayCastMapper ( )

protected

vtkOpenGLGPUVolumeRayCastMapper::~vtkOpenGLGPUVolumeRayCastMapper ( )

protected

Member Function Documentation

static vtkOpenGLGPUVolumeRayCastMapper* vtkOpenGLGPUVolumeRayCastMapper::New ( )

static

static int vtkOpenGLGPUVolumeRayCastMapper::IsTypeOf ( const char * type )

static

virtual int vtkOpenGLGPUVolumeRayCastMapper::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 vtkGPUVolumeRayCastMapper.

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

static

virtual vtkObjectBase* vtkOpenGLGPUVolumeRayCastMapper::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkGPUVolumeRayCastMapper.

vtkOpenGLGPUVolumeRayCastMapper* vtkOpenGLGPUVolumeRayCastMapper::NewInstance ( ) const

void vtkOpenGLGPUVolumeRayCastMapper::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 vtkGPUVolumeRayCastMapper.

virtual int vtkOpenGLGPUVolumeRayCastMapper::IsRenderSupported	(	vtkRenderWindow *	window,
		vtkVolumeProperty *	property
	)

virtual

Based on hardware and properties, we may or may not be able to render using 3D texture mapping.

This indicates if 3D texture mapping is supported by the hardware, and if the other extensions necessary to support the specific properties are available.

virtual void vtkOpenGLGPUVolumeRayCastMapper::ReleaseGraphicsResources ( vtkWindow * window )

virtual

Delete OpenGL objects.

Postcondition: done: this->OpenGLObjectsCreated==0

Reimplemented from vtkGPUVolumeRayCastMapper.

static const char* vtkOpenGLGPUVolumeRayCastMapper::OpenGLErrorMessage ( unsigned int errorCode )

static

Return a string matching the OpenGL errorCode.

Postcondition: result_exists: result!=0

static void vtkOpenGLGPUVolumeRayCastMapper::PrintError ( const char * headerMessage )

static

Display headerMessage on the standard output and the last OpenGL error message if any.

Precondition: headerMessage_exists: headerMessage!=0

virtual void vtkOpenGLGPUVolumeRayCastMapper::GPURender	(	vtkRenderer *	,
		vtkVolume *
	)

protectedvirtual

Handled in the subclass - the actual render method.

Precondition: input is up-to-date.

Reimplemented from vtkGPUVolumeRayCastMapper.

virtual void vtkOpenGLGPUVolumeRayCastMapper::PreRender	(	vtkRenderer *	ren,
		vtkVolume *	vol,
		double	datasetBounds[6],
		double	scalarRange[2],
		int	numberOfScalarComponents,
		unsigned int	numberOfLevels
	)

protectedvirtual

Implements vtkGPUVolumeRayCastMapper.

virtual void vtkOpenGLGPUVolumeRayCastMapper::RenderBlock	(	vtkRenderer *	ren,
		vtkVolume *	vol,
		unsigned int	level
	)

protectedvirtual

Implements vtkGPUVolumeRayCastMapper.

virtual void vtkOpenGLGPUVolumeRayCastMapper::PostRender	(	vtkRenderer *	ren,
		int	numberOfScalarComponents
	)

protectedvirtual

Implements vtkGPUVolumeRayCastMapper.

int vtkOpenGLGPUVolumeRayCastMapper::TestRequiredExtension	(	vtkOpenGLExtensionManager *	extensions,
		const char *	extensionName
	)

protected

Return if the required OpenGL extension `extensionName' is supported.

If not, its name is added to the string of unsupported but required extensions.

Precondition: extensions_exist: extensions!=0; extensionName_exists: extensionName!=0

void vtkOpenGLGPUVolumeRayCastMapper::LoadExtensions ( vtkRenderWindow * window )

protected

Attempt to load required and optional OpenGL extensions for the current context window.

Variable LoadExtensionsSucceeded is set if all required extensions has been loaded. In addition, variable Supports_GL_ARB_texture_float is set if this extension has been loaded.

Precondition: : window_exists: window!=0

void vtkOpenGLGPUVolumeRayCastMapper::CreateOpenGLObjects ( vtkRenderer * ren )

protected

Create OpenGL objects such as textures, buffers and fragment program Ids.

It only registers Ids, there is no actual initialization of textures or fragment program.

Precondition: extensions_loaded: this->LoadExtensionsSucceeded

Postcondition: done: this->OpenGLObjectsCreated==1

int vtkOpenGLGPUVolumeRayCastMapper::AllocateFrameBuffers ( vtkRenderer * ren )

protected

Allocate memory on the GPU for the framebuffers according to the size of the window or reallocate if the size has changed.

Return true if allocation succeeded.

Precondition: ren_exists: ren!=0; opengl_objects_created: this->OpenGLObjectsCreated

Postcondition: right_size: LastSize[]=window size.

int vtkOpenGLGPUVolumeRayCastMapper::LoadScalarField	(	vtkImageData *	input,
		vtkImageData *	maskInput,
		int	textureExtent[6],
		vtkVolume *	volume
	)

protected

Load the scalar field (one or four component scalar field), cell or point based for a given subextent of the whole extent (can be the whole extent) as a 3D texture on the GPU.

Extents are expressed in point if the cell flag is false or in cells of the cell flag is true. It returns true if it succeeded, false if there is not enough memory on the GPU. If succeeded, it updates the LoadedExtent, LoadedBounds, LoadedCellFlag and LoadedTime. It also succeed if the scalar field is already loaded (ie since last load, input has not changed and cell flag has not changed and requested texture extents are enclosed in the loaded extent).

Precondition: input_exists: input!=0; valid_point_extent: (this->CellFlag || (textureExtent[0]<textureExtent[1] && textureExtent[2]<textureExtent[3] && textureExtent[4]<textureExtent[5]))); valid_cell_extent: (!this->CellFlag || (textureExtent[0]<=textureExtent[1] && textureExtent[2]<=textureExtent[3] && textureExtent[4]<=textureExtent[5])))

int vtkOpenGLGPUVolumeRayCastMapper::UpdateColorTransferFunction	(	vtkVolume *	vol,
		int	numberOfScalarComponents
	)

protected

Allocate memory and load color table on the GPU or reload it if the transfer function changed.

Precondition: vol_exists: vol!=0; valid_numberOfScalarComponents: numberOfScalarComponents==1 || numberOfScalarComponents==4

int vtkOpenGLGPUVolumeRayCastMapper::UpdateOpacityTransferFunction	(	vtkVolume *	vol,
		int	numberOfScalarComponents,
		unsigned int	level
	)

protected

Allocate memory and load opacity table on the GPU or reload it if the transfer functions changed.

Precondition: vol_exists: vol!=0; valid_numberOfScalarComponents: numberOfScalarComponents==1 || numberOfScalarComponents==4

void vtkOpenGLGPUVolumeRayCastMapper::SetupRender	(	vtkRenderer *	ren,
		vtkVolume *	vol
	)

protected

Prepare rendering in the offscreen framebuffer.

Precondition: ren_exists: ren!=0; vol_exists: vol!=0

void vtkOpenGLGPUVolumeRayCastMapper::ClipBoundingBox	(	vtkRenderer *	ren,
		double	worldBounds[6],
		vtkVolume *	vol
	)

protected

Clip the bounding box with all clipping planes and the near and far plane.

int vtkOpenGLGPUVolumeRayCastMapper::RenderClippedBoundingBox	(	int	tcoordFlag,
		size_t	currentBlock,
		size_t	numberOfBlocks,
		vtkRenderWindow *	renWin
	)

protected

Render the bounding box.

The flag indicates whether or not tcoords are rendered too. Return abort status (true==abort).

Precondition: valid_currentBlock: currentBlock>=0 && currentBlock<numberOfBlocks

void vtkOpenGLGPUVolumeRayCastMapper::CopyFBOToTexture ( )

protected

Method used to copy the state of the color buffer (which is in a frame buffer object) to a texture.

void vtkOpenGLGPUVolumeRayCastMapper::CleanupRender ( )

protected

Restore OpenGL state after rendering of the dataset.

void vtkOpenGLGPUVolumeRayCastMapper::RenderTextureToScreen ( vtkRenderer * ren )

protected

Render the offscreen buffer to the screen.

Precondition: ren_exists: ren!=0

int vtkOpenGLGPUVolumeRayCastMapper::PowerOfTwoGreaterOrEqual ( int x )

protected

Compute y=2^n such that x<=y.

Precondition: positive_x: x>=0

Postcondition: valid_result: result>=x

void vtkOpenGLGPUVolumeRayCastMapper::CheckFrameBufferStatus ( )

protected

Display the status of the current framebuffer on the standard output.

vtkStdString vtkOpenGLGPUVolumeRayCastMapper::BufferToString ( int buffer )

protected

Create a string from a buffer id.

The result has to be free by the caller.

void vtkOpenGLGPUVolumeRayCastMapper::DisplayReadAndDrawBuffers ( )

protected

Display the buffers assigned for drawing and reading operations.

void vtkOpenGLGPUVolumeRayCastMapper::DisplayFrameBufferAttachments ( )

protected

Display all the attachments of the current framebuffer object.

void vtkOpenGLGPUVolumeRayCastMapper::DisplayFrameBufferAttachment ( unsigned int uattachment )

protected

Display a given attachment for the current framebuffer object.

void vtkOpenGLGPUVolumeRayCastMapper::BuildProgram	(	vtkRenderWindow *	w,
		int	parallelProjection,
		int	raycastMethod,
		int	shadeMethod,
		int	componentMethod
	)

protected

Concatenate the header string, projection type code and method to the final fragment code in this->FragmentCode.

Precondition: valid_raycastMethod: raycastMethod>= vtkOpenGLGPUVolumeRayCastMapperMethodMaximumIntensityProjection && raycastMethod<=vtkOpenGLGPUVolumeRayCastMapperMethodMinIPFourDependent

void vtkOpenGLGPUVolumeRayCastMapper::GetLightingStatus ( )

protected

Return the current OpenGL state about lighting.

void vtkOpenGLGPUVolumeRayCastMapper::ComputeReductionFactor ( double allocatedTime )

protected

Update the reduction factor of the render viewport (this->ReductionFactor) according to the time spent in seconds to render the previous frame (this->TimeToDraw) and a time in seconds allocated to render the next frame (allocatedTime).

Precondition: valid_current_reduction_range: this->ReductionFactor>0.0 && this->ReductionFactor<=1.0; positive_TimeToDraw: this->TimeToDraw>=0.0; positive_time: allocatedTime>0

Postcondition: valid_new_reduction_range: this->ReductionFactor>0.0 && this->ReductionFactor<=1.0

void vtkOpenGLGPUVolumeRayCastMapper::RenderWholeVolume	(	vtkRenderer *	ren,
		vtkVolume *	vol
	)

protected

Render a subvolume.

Precondition: this->ProgramShader!=0 and is linked.

void vtkOpenGLGPUVolumeRayCastMapper::RenderRegions	(	vtkRenderer *	ren,
		vtkVolume *	vol
	)

protected

Render a subvolume.

Precondition: this->ProgramShader!=0 and is linked.

int vtkOpenGLGPUVolumeRayCastMapper::RenderSubVolume	(	vtkRenderer *	ren,
		double	bounds[6],
		vtkVolume *	vol
	)

protected

void vtkOpenGLGPUVolumeRayCastMapper::LoadProjectionParameters	(	vtkRenderer *	ren,
		vtkVolume *	vol
	)

protected

void vtkOpenGLGPUVolumeRayCastMapper::ComputeNumberOfCroppingRegions ( )

protected

Compute and return the number of cropping regions.

void vtkOpenGLGPUVolumeRayCastMapper::GetTextureFormat	(	vtkImageData *	input,
		unsigned int *	internalFormat,
		unsigned int *	format,
		unsigned int *	type,
		int *	componentSize
	)

protected

bool vtkOpenGLGPUVolumeRayCastMapper::TestLoadingScalar	(	unsigned int	internalFormat,
		unsigned int	format,
		unsigned int	type,
		int	textureSize[3],
		int	componentSize
	)

protected

void vtkOpenGLGPUVolumeRayCastMapper::SlabsFromDatasetToIndex	(	double	slabsDataSet[6],
		double	slabsPoints[6]
	)

protected

void vtkOpenGLGPUVolumeRayCastMapper::SlabsFromIndexToDataset	(	double	slabsPoints[6],
		double	slabsDataSet[6]
	)

protected

const char* vtkOpenGLGPUVolumeRayCastMapper::GetEnabledString ( unsigned char value )

protected

void vtkOpenGLGPUVolumeRayCastMapper::GetOpenGLState ( )

protected

void vtkOpenGLGPUVolumeRayCastMapper::DebugDisplayBox ( vtkPolyData * box )

protected

void vtkOpenGLGPUVolumeRayCastMapper::UpdateNoiseTexture ( )

protected

double vtkOpenGLGPUVolumeRayCastMapper::ComputeMinimalSampleDistancePerPixel	(	vtkRenderer *	renderer,
		vtkVolume *	volume
	)

protected

Compute how each axis of a cell is projected on the viewport in pixel.

This requires to have information about the camera and about the volume. It set the value of IgnoreSampleDistancePerPixel to true in case of degenerated case (axes aligned with the view).

virtual void vtkOpenGLGPUVolumeRayCastMapper::GetReductionRatio ( double ratio[3] )

protectedvirtual

Return how much the dataset has to be reduced in each dimension to fit on the GPU.

If the value is 1.0, there is no need to reduce the dataset.

Precondition: the calling thread has a current OpenGL context.; mapper_supported: IsRenderSupported(renderer->GetRenderWindow(),0) The computation is based on hardware limits (3D texture indexable size) and MaxMemoryInBytes.

Postcondition: valid_i_ratio: ratio[0]>0 && ratio[0]<=1.0; valid_j_ratio: ratio[1]>0 && ratio[1]<=1.0; valid_k_ratio: ratio[2]>0 && ratio[2]<=1.0

Implements vtkGPUVolumeRayCastMapper.

void vtkOpenGLGPUVolumeRayCastMapper::BuildScaleBiasProgram ( vtkRenderWindow * w )

protected

Build the fragment shader program that scale and bias a texture for window/level purpose.

static vtkOpenGLGPUVolumeRayCastMapper* vtkOpenGLGPUVolumeRayCastMapper::New ( )

static

static int vtkOpenGLGPUVolumeRayCastMapper::IsTypeOf ( const char * type )

static

virtual int vtkOpenGLGPUVolumeRayCastMapper::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 vtkGPUVolumeRayCastMapper.

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

static

virtual vtkObjectBase* vtkOpenGLGPUVolumeRayCastMapper::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkGPUVolumeRayCastMapper.

vtkOpenGLGPUVolumeRayCastMapper* vtkOpenGLGPUVolumeRayCastMapper::NewInstance ( ) const

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

virtual

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 vtkGPUVolumeRayCastMapper.

vtkTextureObject* vtkOpenGLGPUVolumeRayCastMapper::GetDepthTexture ( )

vtkTextureObject* vtkOpenGLGPUVolumeRayCastMapper::GetColorTexture ( )

void vtkOpenGLGPUVolumeRayCastMapper::GetDepthImage ( vtkImageData * )

virtual

Low level API to export the depth texture as vtkImageData in RenderToImage mode.

Should be implemented by the graphics API specific mapper (GL or other).

See also: SetRenderToImage()

Reimplemented from vtkGPUVolumeRayCastMapper.

void vtkOpenGLGPUVolumeRayCastMapper::GetColorImage ( vtkImageData * )

virtual

Low level API to export the color texture as vtkImageData in RenderToImage mode.

Should be implemented by the graphics API specific mapper (GL or other).

See also: SetRenderToImage()

Reimplemented from vtkGPUVolumeRayCastMapper.

virtual int vtkOpenGLGPUVolumeRayCastMapper::GetCurrentPass ( )

virtual

void vtkOpenGLGPUVolumeRayCastMapper::SetNoiseGenerator ( vtkImplicitFunction * generator )

Sets a user defined function to generate the ray jittering noise.

vtkPerlinNoise is used by default with a texture size equivlent to the window size. These settings will have no effect when UseJittering is Off.

virtual void vtkOpenGLGPUVolumeRayCastMapper::SetNoiseTextureSize	(	int	,
		int
	)

virtual

Sets a user defined function to generate the ray jittering noise.

vtkPerlinNoise is used by default with a texture size equivlent to the window size. These settings will have no effect when UseJittering is Off.

void vtkOpenGLGPUVolumeRayCastMapper::SetNoiseTextureSize ( int [2] )

Sets a user defined function to generate the ray jittering noise.

vtkPerlinNoise is used by default with a texture size equivlent to the window size. These settings will have no effect when UseJittering is Off.

virtual void vtkOpenGLGPUVolumeRayCastMapper::ReleaseGraphicsResources ( vtkWindow * )

protectedvirtual

Release any graphics resources that are being consumed by this mapper.

The parameter window could be used to determine which graphic resources to release.

Warning: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE

Reimplemented from vtkGPUVolumeRayCastMapper.

void vtkOpenGLGPUVolumeRayCastMapper::BuildDepthPassShader	(	vtkRenderer *	ren,
		vtkVolume *	vol,
		int	noOfComponents,
		int	independentComponents
	)

protected

void vtkOpenGLGPUVolumeRayCastMapper::BuildShader	(	vtkRenderer *	ren,
		vtkVolume *	vol,
		int	noOfCmponents
	)

protected

virtual void vtkOpenGLGPUVolumeRayCastMapper::PreRender	(	vtkRenderer *	vtkNotUsedren,
		vtkVolume *	vtkNotUsedvol,
		double	vtkNotUsed(datasetBounds)[6],
		double	vtkNotUsed(scalarRange)[2],
		int	vtkNotUsednoOfComponents,
		unsigned int	vtkNotUsednumberOfLevels
	)

inlineprotectedvirtual

Definition at line 110 of file vtkOpenGLGPUVolumeRayCastMapper.h.

virtual void vtkOpenGLGPUVolumeRayCastMapper::RenderBlock	(	vtkRenderer *	vtkNotUsedren,
		vtkVolume *	vtkNotUsedvol,
		unsigned int	vtkNotUsedlevel
	)

inlineprotectedvirtual

Definition at line 118 of file vtkOpenGLGPUVolumeRayCastMapper.h.

virtual void vtkOpenGLGPUVolumeRayCastMapper::PostRender	(	vtkRenderer *	vtkNotUsedren,
		int	vtkNotUsednoOfComponents
	)

inlineprotectedvirtual

Definition at line 122 of file vtkOpenGLGPUVolumeRayCastMapper.h.

void vtkOpenGLGPUVolumeRayCastMapper::GPURender	(	vtkRenderer *	,
		vtkVolume *
	)

protectedvirtual

Handled in the subclass - the actual render method.

Precondition: input is up-to-date.

Reimplemented from vtkGPUVolumeRayCastMapper.

void vtkOpenGLGPUVolumeRayCastMapper::DoGPURender	(	vtkRenderer *	ren,
		vtkVolume *	vol,
		vtkImageData *	input,
		vtkOpenGLCamera *	cam,
		vtkShaderProgram *	shaderProgram,
		int	noOfComponents,
		int	independentComponents
	)

protected

void vtkOpenGLGPUVolumeRayCastMapper::ComputeReductionFactor ( double allocatedTime )

protected

void vtkOpenGLGPUVolumeRayCastMapper::GetReductionRatio ( double * ratio )

inlineprotected

Definition at line 152 of file vtkOpenGLGPUVolumeRayCastMapper.h.

virtual int vtkOpenGLGPUVolumeRayCastMapper::IsRenderSupported	(	vtkRenderWindow *	vtkNotUsedwindow,
		vtkVolumeProperty *	vtkNotUsedproperty
	)

inlineprotectedvirtual

Based on hardware and properties, we may or may not be able to render using 3D texture mapping.

This indicates if 3D texture mapping is supported by the hardware, and if the other extensions necessary to support the specific properties are available.

Reimplemented from vtkGPUVolumeRayCastMapper.

Definition at line 160 of file vtkOpenGLGPUVolumeRayCastMapper.h.