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vtkSmartVolumeMapper.cxx
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vtkSmartVolumeMapper.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkFixedPointRayCastImage.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkSmartVolumeMapper.h"
#include "vtkObjectFactory.h"
#include "vtkColorTransferFunction.h"
#include "vtkDataArray.h"
#include "vtkFixedPointVolumeRayCastMapper.h"
#include "vtkEventForwarderCommand.h"
#include "vtkImageData.h"
#include "vtkImageResample.h"
#include "vtkOSPRayVolumeInterface.h"
#include "vtkPiecewiseFunction.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkVolume.h"
#include "vtkVolumeProperty.h"
#include "vtkVolumeTextureMapper3D.h"
#include "vtkSmartPointer.h"
#include <cassert>
#include "vtkGPUVolumeRayCastMapper.h"
vtkStandardNewMacro( vtkSmartVolumeMapper );
// ----------------------------------------------------------------------------
// Constructor
// ----------------------------------------------------------------------------
vtkSmartVolumeMapper::vtkSmartVolumeMapper()
{
// Default for Window / Level - no adjustment
this->FinalColorWindow = 1.0;
this->FinalColorLevel = 0.5;
// Our render mode is undefined at this point
this->CurrentRenderMode = vtkSmartVolumeMapper::UndefinedRenderMode;
// Nothing is initialized and we assume nothing is supported
this->Initialized = 0;
this->TextureSupported = 0;
this->GPUSupported = 0;
this->RayCastSupported = 0;
this->LowResGPUNecessary = 0;
this->InterpolationMode=VTK_RESLICE_CUBIC;
// Create all the mappers we might need
this->RayCastMapper = vtkFixedPointVolumeRayCastMapper::New();
this->GPUMapper = vtkGPUVolumeRayCastMapper::New();
this->MaxMemoryInBytes=this->GPUMapper->GetMaxMemoryInBytes();
this->MaxMemoryFraction=this->GPUMapper->GetMaxMemoryFraction();
#if !defined(VTK_LEGACY_REMOVE)
this->TextureMapper = vtkVolumeTextureMapper3D::New();
#endif // VTK_LEGACY_REMOVE
this->GPULowResMapper = vtkGPUVolumeRayCastMapper::New();
// If the render window has a desired update rate of at least 1 frame
// per second or more, we'll consider this interactive
this->InteractiveUpdateRate = 1.0;
// This is the resample filter that may be used if we need
// a lower resolution version of the input for GPU rendering
this->GPUResampleFilter = vtkImageResample::New();
// Turn this on by default - this means that the sample spacing will be
// automatically computed from the spacing of the input data. This is
// also true for the GPU ray cast mapper.
this->RayCastMapper->LockSampleDistanceToInputSpacingOn();
// Default to the default mode - which will use the best option that
// is supported by the hardware
this->RequestedRenderMode = vtkSmartVolumeMapper::DefaultRenderMode;
// Keep track of what blend mode we had when we initialized and
// checked for hardware support - we need to recheck if the blend
// mode changes
this->InitializedBlendMode = -1;
// Create the forwarding command
vtkEventForwarderCommand *cb = vtkEventForwarderCommand::New();
cb->SetTarget(this);
// Now forward the ray caster's events
this->RayCastMapper->AddObserver(vtkCommand::VolumeMapperRenderStartEvent, cb);
this->RayCastMapper->AddObserver(vtkCommand::VolumeMapperRenderEndEvent, cb);
this->RayCastMapper->AddObserver(vtkCommand::VolumeMapperRenderProgressEvent, cb);
this->RayCastMapper->AddObserver(vtkCommand::VolumeMapperComputeGradientsStartEvent, cb);
this->RayCastMapper->AddObserver(vtkCommand::VolumeMapperComputeGradientsEndEvent, cb);
this->RayCastMapper->AddObserver(vtkCommand::VolumeMapperComputeGradientsProgressEvent, cb);
// And the texture mapper's events
#if !defined(VTK_LEGACY_REMOVE)
this->TextureMapper->AddObserver(vtkCommand::StartEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::EndEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::ProgressEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::VolumeMapperRenderStartEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::VolumeMapperRenderEndEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::VolumeMapperRenderProgressEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::VolumeMapperComputeGradientsStartEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::VolumeMapperComputeGradientsEndEvent, cb);
this->TextureMapper->AddObserver(vtkCommand::VolumeMapperComputeGradientsProgressEvent, cb);
#endif // VTK_LEGACY_REMOVE
// And the GPU mapper's events
// Commented out because too many events are being forwwarded
// put back in after that is fixed
/***
this->GPUMapper->AddObserver(vtkCommand::VolumeMapperRenderStartEvent, cb);
this->GPUMapper->AddObserver(vtkCommand::VolumeMapperRenderEndEvent, cb);
this->GPUMapper->AddObserver(vtkCommand::VolumeMapperRenderProgressEvent, cb);
***/
// And the low res GPU mapper's events
// Commented out because too many events are being forwwarded
// put back in after that is fixed
/***
this->GPULowResMapper->AddObserver(vtkCommand::VolumeMapperRenderStartEvent, cb);
this->GPULowResMapper->AddObserver(vtkCommand::VolumeMapperRenderEndEvent, cb);
this->GPULowResMapper->AddObserver(vtkCommand::VolumeMapperRenderProgressEvent, cb);
***/
cb->Delete();
this->OSPRayMapper = NULL;
}
// ----------------------------------------------------------------------------
// Destructor
// ----------------------------------------------------------------------------
vtkSmartVolumeMapper::~vtkSmartVolumeMapper()
{
if (this->RayCastMapper)
{
this->RayCastMapper->Delete();
this->RayCastMapper = 0;
}
if (this->GPUMapper)
{
this->GPUMapper->Delete();
this->GPUMapper = 0;
}
if (this->GPULowResMapper)
{
this->GPULowResMapper->Delete();
this->GPULowResMapper = 0;
}
#if !defined(VTK_LEGACY_REMOVE)
if (this->TextureMapper)
{
this->TextureMapper->Delete();
this->TextureMapper = 0;
}
#endif // VTK_LEGACY_REMOVE
if (this->GPUResampleFilter)
{
this->GPUResampleFilter->Delete();
this->GPUResampleFilter = 0;
}
if (this->OSPRayMapper)
{
this->OSPRayMapper->Delete();
this->OSPRayMapper = 0;
}
}
// ----------------------------------------------------------------------------
// The Render method will determine the render mode and then render using the
// appropriate mapper. If the render mode is invalid (the user explicitly
// chooses something that is not supported) the render will silently fail.
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::Render( vtkRenderer *ren, vtkVolume *vol )
{
// Compute the render mode based on the requested
// render mode, available hardware, and render window's
// desired update rate
this->ComputeRenderMode(ren,vol);
vtkGPUVolumeRayCastMapper *usedMapper=0;
switch ( this->CurrentRenderMode )
{
case vtkSmartVolumeMapper::RayCastRenderMode:
this->RayCastMapper->Render(ren,vol);
break;
#if !defined(VTK_LEGACY_REMOVE)
case vtkSmartVolumeMapper::TextureRenderMode:
this->TextureMapper->Render(ren,vol);
break;
#endif // VTK_LEGACY_REMOVE
case vtkSmartVolumeMapper::GPURenderMode:
if(this->LowResGPUNecessary)
{
usedMapper=this->GPULowResMapper;
}
else
{
usedMapper=this->GPUMapper;
}
usedMapper->SetAutoAdjustSampleDistances(
ren->GetRenderWindow()->GetDesiredUpdateRate()>=
this->InteractiveUpdateRate);
usedMapper->Render(ren, vol);
break;
case vtkSmartVolumeMapper::OSPRayRenderMode:
if (!this->OSPRayMapper)
{
this->OSPRayMapper = vtkOSPRayVolumeInterface::New();
}
this->OSPRayMapper->Render(ren, vol);
break;
case vtkSmartVolumeMapper::InvalidRenderMode:
// Silently fail - a render mode that is not
// valid was selected so we will render nothing
break;
default:
vtkErrorMacro("Internal Error!");
break;
}
}
// ----------------------------------------------------------------------------
// Initialize the rende
// We need to determine whether the texture mapper or GPU mapper are supported
// First we need to know what input scalar field we are working with to find
// out how many components it has. If it has more than one, and we are considering
// them to be independent components, then we know that neither the texture mapper
// nor the GPU mapper will work.
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::Initialize(vtkRenderer *ren, vtkVolume *vol)
{
vtkImageData *input = this->GetInput();
if (!input)
{
this->Initialized = 0;
return;
}
int usingCellColors=0;
// In order to perform a GetScalars we need to make sure that the
// input is up to date
// input->UpdateInformation();
// input->SetUpdateExtentToWholeExtent();
// input->Update();
vtkDataArray *scalars = this->GetScalars(input, this->ScalarMode,
this->ArrayAccessMode,
this->ArrayId, this->ArrayName,
usingCellColors);
if ( scalars->GetNumberOfComponents() != 1 )
{
if ( vol->GetProperty()->GetIndependentComponents() )
{
this->TextureSupported = 0;
this->GPUSupported = 0;
if ( usingCellColors )
{
this->RayCastSupported = 0;
}
else
{
this->RayCastSupported = 1;
}
this->Initialized = 1;
this->SupportStatusCheckTime.Modified();
return;
}
}
if ( usingCellColors )
{
this->RayCastSupported = 0;
}
else
{
this->RayCastSupported = 1;
}
// Make the window current because we need the OpenGL context
vtkRenderWindow *win=ren->GetRenderWindow();
win->MakeCurrent();
#if !defined(VTK_LEGACY_REMOVE)
// Have to give the texture mapper its input or else it won't report that
// it is supported. Texture mapper only supported for composite blend
if ( this->GetBlendMode() != vtkVolumeMapper::COMPOSITE_BLEND )
{
this->TextureSupported = 0;
}
else
{
this->ConnectMapperInput(this->TextureMapper);
this->TextureSupported = this->TextureMapper->IsRenderSupported(
vol->GetProperty(),ren);
}
#endif // VTK_LEGACY_REMOVE
this->GPUSupported = this->GPUMapper->IsRenderSupported(win,
vol->GetProperty());
this->Initialized = 1;
this->InitializedBlendMode = this->GetBlendMode();
this->SupportStatusCheckTime.Modified();
}
// ----------------------------------------------------------------------------
// Compute the render mode based on what hardware is available, what the user
// requested as a render mode, and the desired update rate of the render window
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::ComputeRenderMode(vtkRenderer *ren, vtkVolume *vol)
{
// If we are already initialized, and the volume,
// volume's input, and volume's property have not
// changed since last time we computed the render mode,
// then we don't need to initialize again
if (!( this->Initialized &&
this->SupportStatusCheckTime.GetMTime() > this->GetMTime() &&
this->SupportStatusCheckTime.GetMTime() > vol->GetProperty()->GetMTime() &&
this->SupportStatusCheckTime.GetMTime() > this->GetInput()->GetMTime() &&
this->InitializedBlendMode == this->GetBlendMode() ) )
{
this->Initialize(ren,vol);
}
// Use this as the initial state to simplify the code below
this->CurrentRenderMode = vtkSmartVolumeMapper::InvalidRenderMode;
if ( !this->GetInput() )
{
return;
}
double scale[3];
double spacing[3];
this->GetInput()->GetSpacing(spacing);
vtkRenderWindow *win=ren->GetRenderWindow();
switch ( this->RequestedRenderMode )
{
// Requested ray casting - OK as long as it is supported
// This ray caster is a software mapper so it is supported as
// we aren't attempting to render cell scalars
case vtkSmartVolumeMapper::RayCastRenderMode:
if ( this->RayCastSupported )
{
this->CurrentRenderMode = vtkSmartVolumeMapper::RayCastRenderMode;
}
break;
#if !defined(VTK_LEGACY_REMOVE)
// Requested 3D texture - OK as long as it is supported
case vtkSmartVolumeMapper::TextureRenderMode:
if ( this->TextureSupported )
{
this->CurrentRenderMode = vtkSmartVolumeMapper::TextureRenderMode;
}
break;
#endif // VTK_LEGACY_REMOVE
// Requested GPU - OK as long as it is supported
case vtkSmartVolumeMapper::GPURenderMode:
if ( this->GPUSupported )
{
this->CurrentRenderMode = vtkSmartVolumeMapper::GPURenderMode;
}
break;
// Requested OSPRay
case vtkSmartVolumeMapper::OSPRayRenderMode:
this->CurrentRenderMode = this->RequestedRenderMode;
break;
// Requested default mode - select GPU if supported, otherwise
// select texture mapping for interactive rendering (if supported)
// and ray casting for still rendering. Make determination of
// still vs. interactive based on whether the desired update rate
// is at or above this->InteractiveUpdateRate
case vtkSmartVolumeMapper::DefaultRenderMode:
// Go with GPU rendering if it is supported
if ( this->GPUSupported )
{
this->CurrentRenderMode = vtkSmartVolumeMapper::GPURenderMode;
}
#if !defined(VTK_LEGACY_REMOVE)
// If this is interactive, try for texture mapping
else if ( win->GetDesiredUpdateRate() >= this->InteractiveUpdateRate &&
this->TextureSupported )
{
this->CurrentRenderMode = vtkSmartVolumeMapper::TextureRenderMode;
}
#endif // VTK_LEGACY_REMOVE
else if ( this->RayCastSupported )
{
this->CurrentRenderMode = vtkSmartVolumeMapper::RayCastRenderMode;
}
break;
#if !defined(VTK_LEGACY_REMOVE)
// Requested the texture mapping / ray cast combo. If texture
// mapping is supported and this is an interactive render, then
// use it. Otherwise use ray casting.
case vtkSmartVolumeMapper::RayCastAndTextureRenderMode:
if (this->TextureSupported &&
(win->GetDesiredUpdateRate() >= this->InteractiveUpdateRate))
{
this->CurrentRenderMode = vtkSmartVolumeMapper::TextureRenderMode;
}
else if ( this->RayCastSupported )
{
this->CurrentRenderMode = vtkSmartVolumeMapper::RayCastRenderMode;
}
break;
#endif // VTK_LEGACY_REMOVE
// This should never happen since the SetRequestedRenderMode
// protects against invalid states
default:
vtkErrorMacro("Internal Error: Invalid RequestedRenderMode");
break;
}
switch ( this->CurrentRenderMode )
{
// We are rendering with the vtkFixedPointVolumeRayCastMapper
case vtkSmartVolumeMapper::RayCastRenderMode:
if (this->ArrayAccessMode == VTK_GET_ARRAY_BY_NAME)
{
this->RayCastMapper->SelectScalarArray(this->ArrayName);
}
else if (this->ArrayAccessMode == VTK_GET_ARRAY_BY_ID)
{
this->RayCastMapper->SelectScalarArray(this->ArrayId);
}
this->RayCastMapper->SetScalarMode(this->GetScalarMode());
this->ConnectMapperInput(this->RayCastMapper);
this->RayCastMapper->SetClippingPlanes(this->GetClippingPlanes());
this->RayCastMapper->SetCropping(this->GetCropping());
this->RayCastMapper->SetCroppingRegionPlanes(
this->GetCroppingRegionPlanes());
this->RayCastMapper->SetCroppingRegionFlags(
this->GetCroppingRegionFlags());
this->RayCastMapper->SetBlendMode( this->GetBlendMode() );
this->RayCastMapper->SetFinalColorWindow(this->FinalColorWindow);
this->RayCastMapper->SetFinalColorLevel(this->FinalColorLevel);
break;
#if !defined(VTK_LEGACY_REMOVE)
// We are rendering with the vtkVolumeTextureMapper3D
case vtkSmartVolumeMapper::TextureRenderMode:
if (this->ArrayAccessMode == VTK_GET_ARRAY_BY_NAME)
{
this->TextureMapper->SelectScalarArray(this->ArrayName);
}
else if (this->ArrayAccessMode == VTK_GET_ARRAY_BY_ID)
{
this->TextureMapper->SelectScalarArray(this->ArrayId);
}
this->TextureMapper->SetScalarMode(this->GetScalarMode());
this->ConnectMapperInput(this->TextureMapper);
if ( this->RequestedRenderMode == vtkSmartVolumeMapper::DefaultRenderMode ||
this->RequestedRenderMode == vtkSmartVolumeMapper::RayCastAndTextureRenderMode )
{
this->TextureMapper->SetSampleDistance( static_cast<float>((spacing[0] + spacing[1] + spacing[2] ) / 2.0) );
}
else
{
this->TextureMapper->SetSampleDistance( static_cast<float>((spacing[0] + spacing[1] + spacing[2] ) / 6.0) );
}
this->TextureMapper->SetClippingPlanes(this->GetClippingPlanes());
this->TextureMapper->SetCropping(this->GetCropping());
this->TextureMapper->SetCroppingRegionPlanes(
this->GetCroppingRegionPlanes());
this->TextureMapper->SetCroppingRegionFlags(
this->GetCroppingRegionFlags());
// TextureMapper does not support FinalColor Window/Level.
break;
#endif // VTK_LEGACY_REMOVE
// We are rendering with the vtkGPUVolumeRayCastMapper
case vtkSmartVolumeMapper::GPURenderMode:
if (this->ArrayAccessMode == VTK_GET_ARRAY_BY_NAME)
{
this->GPUMapper->SelectScalarArray(this->ArrayName);
}
else if (this->ArrayAccessMode == VTK_GET_ARRAY_BY_ID)
{
this->GPUMapper->SelectScalarArray(this->ArrayId);
}
this->GPUMapper->SetScalarMode(this->GetScalarMode());
this->GPUMapper->SetMaxMemoryInBytes(this->MaxMemoryInBytes);
this->GPUMapper->SetMaxMemoryFraction(this->MaxMemoryFraction);
this->GPUMapper->SetSampleDistance(
static_cast<float>((spacing[0] + spacing[1] + spacing[2] ) / 6.0) );
this->ConnectMapperInput(this->GPUMapper);
this->GPUMapper->SetClippingPlanes(this->GetClippingPlanes());
this->GPUMapper->SetCropping(this->GetCropping());
this->GPUMapper->SetCroppingRegionPlanes(
this->GetCroppingRegionPlanes());
this->GPUMapper->SetCroppingRegionFlags(
this->GetCroppingRegionFlags());
this->GPUMapper->SetBlendMode( this->GetBlendMode() );
this->GPUMapper->SetFinalColorWindow(this->FinalColorWindow);
this->GPUMapper->SetFinalColorLevel(this->FinalColorLevel);
// Make the window current because we need the OpenGL context
win->MakeCurrent();
// Now we need to find out if we need to use a low resolution
// version of the mapper for interactive rendering. This is true
// if the GPU mapper cannot hand the size of the volume.
this->GPUMapper->GetReductionRatio(scale);
// if any of the scale factors is not 1.0, then we do need
// to use the low res mapper for interactive rendering
if ( scale[0] != 1.0 || scale[1] != 1.0 || scale[2] != 1.0 )
{
this->LowResGPUNecessary = 1;
this->ConnectFilterInput(this->GPUResampleFilter);
this->GPUResampleFilter->SetInterpolationMode(this->InterpolationMode);
this->GPUResampleFilter->SetAxisMagnificationFactor( 0, scale[0]/2.0 );
this->GPUResampleFilter->SetAxisMagnificationFactor( 1, scale[1]/2.0 );
this->GPUResampleFilter->SetAxisMagnificationFactor( 2, scale[2]/2.0 );
this->GPULowResMapper->SetMaxMemoryInBytes(this->MaxMemoryInBytes);
this->GPULowResMapper->SetMaxMemoryFraction(this->MaxMemoryFraction);
this->GPULowResMapper->SetSampleDistance(
static_cast<float>((spacing[0] + spacing[1] + spacing[2] ) / 6.0) );
this->GPULowResMapper->SetInputConnection(
this->GPUResampleFilter->GetOutputPort());
this->GPULowResMapper->SetClippingPlanes(this->GetClippingPlanes());
this->GPULowResMapper->SetCropping(this->GetCropping());
this->GPULowResMapper->SetCroppingRegionPlanes(
this->GetCroppingRegionPlanes());
this->GPULowResMapper->SetCroppingRegionFlags(
this->GetCroppingRegionFlags());
this->GPULowResMapper->SetBlendMode( this->GetBlendMode() );
this->GPULowResMapper->SetFinalColorWindow(this->FinalColorWindow);
this->GPULowResMapper->SetFinalColorLevel(this->FinalColorLevel);
}
else
{
this->LowResGPUNecessary = 0;
}
break;
// render with OSPRay
case vtkSmartVolumeMapper::OSPRayRenderMode:
break;
// The user selected a RequestedRenderMode that is
// not supported. In this case the mapper will just
// silently fail.
case vtkSmartVolumeMapper::InvalidRenderMode:
break;
// This should never happen since we don't set the CurrentRenderMode
// to anything other than the above handled options
default:
vtkErrorMacro("Internal Error: Invalid CurrentRenderMode");
break;
}
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::ConnectMapperInput(vtkVolumeMapper *m)
{
assert("pre: m_exists" && m!=0);
vtkImageData *input2=m->GetInput();
bool needShallowCopy=false;
if(input2==0)
{
// make sure we not create a shallow copy each time to avoid
// performance penalty.
input2=vtkImageData::New();
m->SetInputDataObject(input2);
input2->Delete();
needShallowCopy=true;
}
else
{
needShallowCopy=input2->GetMTime()<this->GetInput()->GetMTime();
}
if(needShallowCopy)
{
input2->ShallowCopy(this->GetInput());
}
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::ConnectFilterInput(vtkImageResample *f)
{
assert("pre: f_exists" && f!=0);
vtkImageData *input2=static_cast<vtkImageData *>(f->GetInput());
bool needShallowCopy=false;
if(input2==0)
{
// make sure we not create a shallow copy each time to avoid
// performance penalty.
input2=vtkImageData::New();
f->SetInputDataObject(input2);
input2->Delete();
needShallowCopy=true;
}
else
{
needShallowCopy=input2->GetMTime()<this->GetInput()->GetMTime();
}
if(needShallowCopy)
{
input2->ShallowCopy(this->GetInput());
}
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetRequestedRenderMode(int mode)
{
// If we aren't actually changing it, just return
if ( this->RequestedRenderMode == mode )
{
return;
}
// Make sure it is a valid mode
if ( mode < vtkSmartVolumeMapper::DefaultRenderMode ||
mode >= vtkSmartVolumeMapper::UndefinedRenderMode )
{
vtkErrorMacro("Invalid Render Mode.");
return;
}
this->RequestedRenderMode = mode;
this->Modified();
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetRequestedRenderModeToDefault()
{
this->SetRequestedRenderMode(vtkSmartVolumeMapper::DefaultRenderMode);
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetRequestedRenderModeToGPU()
{
this->SetRequestedRenderMode(vtkSmartVolumeMapper::GPURenderMode);
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetRequestedRenderModeToOSPRay()
{
this->SetRequestedRenderMode(vtkSmartVolumeMapper::OSPRayRenderMode);
}
// ----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
void vtkSmartVolumeMapper::SetRequestedRenderModeToTexture()
{
this->SetRequestedRenderMode(vtkSmartVolumeMapper::TextureRenderMode);
VTK_LEGACY_BODY(vtkSmartVolumeMapper::SetRequestedRenderModeToTexture,"VTK 7.0");
}
#endif // VTK_LEGACY_REMOVE
// ----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
void vtkSmartVolumeMapper::SetRequestedRenderModeToRayCastAndTexture()
{
this->SetRequestedRenderMode(
vtkSmartVolumeMapper::RayCastAndTextureRenderMode );
VTK_LEGACY_BODY(vtkSmartVolumeMapper::SetRequestedRenderModeToRayCastAndTexture,"VTK 7.0");
}
#endif // VTK_LEGACY_REMOVE
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetRequestedRenderModeToRayCast()
{
this->SetRequestedRenderMode(vtkSmartVolumeMapper::RayCastRenderMode);
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::ReleaseGraphicsResources(vtkWindow *w)
{
this->RayCastMapper->ReleaseGraphicsResources(w);
#if !defined(VTK_LEGACY_REMOVE)
this->TextureMapper->ReleaseGraphicsResources(w);
#endif // VTK_LEGACY_REMOVE
this->GPUMapper->ReleaseGraphicsResources(w);
this->GPULowResMapper->ReleaseGraphicsResources(w);
this->Initialized = 0;
this->TextureSupported = 0;
this->GPUSupported = 0;
this->RayCastSupported = 0;
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetInterpolationModeToNearestNeighbor()
{
this->SetInterpolationMode(VTK_RESLICE_NEAREST);
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetInterpolationModeToLinear()
{
this->SetInterpolationMode(VTK_RESLICE_LINEAR);
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::SetInterpolationModeToCubic()
{
this->SetInterpolationMode(VTK_RESLICE_CUBIC);
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::CreateCanonicalView(
vtkRenderer *ren,
vtkVolume *volume,
vtkVolume *volume2,
vtkImageData *image,
int blend_mode,
double viewDirection[3],
double viewUp[3])
{
this->ComputeRenderMode(ren, volume);
if ( this->CurrentRenderMode == vtkSmartVolumeMapper::GPURenderMode )
{
vtkVolumeProperty *savedProperty = volume->GetProperty();
volume->SetProperty(volume2->GetProperty());
volume->GetProperty()->Modified();
volume->GetProperty()->GetScalarOpacity()->Modified();
volume->GetProperty()->GetRGBTransferFunction()->Modified();
this->GPUMapper->CreateCanonicalView(ren, volume,
image, blend_mode,
viewDirection, viewUp);
volume->SetProperty(savedProperty);
volume->GetProperty()->Modified();
volume->GetProperty()->GetScalarOpacity()->Modified();
volume->GetProperty()->GetRGBTransferFunction()->Modified();
}
else if ( this->RayCastSupported )
{
this->RayCastMapper->CreateCanonicalView(volume2,
image, blend_mode,
viewDirection, viewUp);
}
else
{
vtkErrorMacro("Could not create image - no available mapper");
}
}
// ----------------------------------------------------------------------------
int vtkSmartVolumeMapper::GetLastUsedRenderMode()
{
return this->CurrentRenderMode;
}
// ----------------------------------------------------------------------------
void vtkSmartVolumeMapper::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << "FinalColorWindow: " << this->FinalColorWindow << endl;
os << "FinalColorLevel: " << this->FinalColorLevel << endl;
os << "RequestedRenderMode: " << this->RequestedRenderMode << endl;
os << "InteractiveUpdateRate: " << this->InteractiveUpdateRate << endl;
os << "InterpolationMode: " << this->InterpolationMode << endl;
os << "MaxMemoryInBytes:" << this->MaxMemoryInBytes << endl;
os << "MaxMemoryFraction:" << this->MaxMemoryFraction << endl;
}