Files
ThirdParty-6/ParaView-5.0.1/ParaViewCore/ClientServerCore/Rendering/vtkUnstructuredGridVolumeRepresentation.cxx

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/*=========================================================================
Program: ParaView
Module: vtkUnstructuredGridVolumeRepresentation.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 "vtkUnstructuredGridVolumeRepresentation.h"
#include "vtkColorTransferFunction.h"
#include "vtkCommand.h"
#include "vtkDataSet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMath.h"
#include "vtkMatrix4x4.h"
#include "vtkMultiProcessController.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkPolyDataMapper.h"
#include "vtkProjectedTetrahedraMapper.h"
#include "vtkPVCacheKeeper.h"
#include "vtkPVGeometryFilter.h"
#include "vtkPVLODVolume.h"
#include "vtkPVRenderView.h"
#include "vtkPVUpdateSuppressor.h"
#include "vtkRenderer.h"
#include "vtkSmartPointer.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkUnstructuredGrid.h"
#include "vtkVolumeProperty.h"
#include "vtkVolumeRepresentationPreprocessor.h"
#include <map>
#include <string>
class vtkUnstructuredGridVolumeRepresentation::vtkInternals
{
public:
typedef std::map<std::string,
vtkSmartPointer<vtkUnstructuredGridVolumeMapper> > MapOfMappers;
MapOfMappers Mappers;
std::string ActiveVolumeMapper;
};
vtkStandardNewMacro(vtkUnstructuredGridVolumeRepresentation);
//----------------------------------------------------------------------------
vtkUnstructuredGridVolumeRepresentation::vtkUnstructuredGridVolumeRepresentation()
{
this->Internals = new vtkInternals();
this->Preprocessor = vtkVolumeRepresentationPreprocessor::New();
this->Preprocessor->SetTetrahedraOnly(1);
this->CacheKeeper = vtkPVCacheKeeper::New();
this->DefaultMapper = vtkProjectedTetrahedraMapper::New();
this->Property = vtkVolumeProperty::New();
this->Actor = vtkPVLODVolume::New();
this->LODGeometryFilter = vtkPVGeometryFilter::New();
this->LODGeometryFilter->SetUseOutline(0);
this->LODMapper = vtkPolyDataMapper::New();
this->CacheKeeper->SetInputConnection(this->Preprocessor->GetOutputPort());
this->LODGeometryFilter->SetInputConnection(this->CacheKeeper->GetOutputPort());
this->Actor->SetProperty(this->Property);
this->Actor->SetMapper(this->DefaultMapper);
this->Actor->SetLODMapper(this->LODMapper);
vtkMath::UninitializeBounds(this->DataBounds);
}
//----------------------------------------------------------------------------
vtkUnstructuredGridVolumeRepresentation::~vtkUnstructuredGridVolumeRepresentation()
{
this->Preprocessor->Delete();
this->CacheKeeper->Delete();
this->DefaultMapper->Delete();
this->Property->Delete();
this->Actor->Delete();
this->LODGeometryFilter->Delete();
this->LODMapper->Delete();
delete this->Internals;
this->Internals = 0;
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::AddVolumeMapper(
const char* name, vtkUnstructuredGridVolumeMapper* mapper)
{
this->Internals->Mappers[name] = mapper;
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetActiveVolumeMapper(
const char* mapper)
{
this->Internals->ActiveVolumeMapper = mapper? mapper : "";
this->MarkModified();
}
//----------------------------------------------------------------------------
vtkUnstructuredGridVolumeMapper*
vtkUnstructuredGridVolumeRepresentation::GetActiveVolumeMapper()
{
if (this->Internals->ActiveVolumeMapper != "")
{
vtkInternals::MapOfMappers::iterator iter =
this->Internals->Mappers.find(this->Internals->ActiveVolumeMapper);
if (iter != this->Internals->Mappers.end() && iter->second.GetPointer())
{
return iter->second.GetPointer();
}
}
return this->DefaultMapper;
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::MarkModified()
{
if (!this->GetUseCache())
{
// Cleanup caches when not using cache.
this->CacheKeeper->RemoveAllCaches();
}
this->Superclass::MarkModified();
}
//----------------------------------------------------------------------------
int vtkUnstructuredGridVolumeRepresentation::FillInputPortInformation(
int, vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkUnstructuredGridBase");
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkCompositeDataSet");
info->Set(vtkAlgorithm::INPUT_IS_OPTIONAL(), 1);
return 1;
}
//----------------------------------------------------------------------------
int vtkUnstructuredGridVolumeRepresentation::RequestData(vtkInformation* request,
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
vtkMath::UninitializeBounds(this->DataBounds);
// Pass caching information to the cache keeper.
this->CacheKeeper->SetCachingEnabled(this->GetUseCache());
this->CacheKeeper->SetCacheTime(this->GetCacheKey());
if (inputVector[0]->GetNumberOfInformationObjects()==1)
{
this->Preprocessor->SetInputConnection(
this->GetInternalOutputPort());
this->Preprocessor->Update();
this->CacheKeeper->Update();
vtkDataSet* ds = vtkDataSet::SafeDownCast(
this->CacheKeeper->GetOutputDataObject(0));
if (ds)
{
ds->GetBounds(this->DataBounds);
}
}
else
{
this->Preprocessor->RemoveAllInputs();
vtkNew<vtkUnstructuredGrid> placeholder;
this->Preprocessor->SetInputData(0, placeholder.GetPointer());
this->CacheKeeper->Update();
}
return this->Superclass::RequestData(request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
bool vtkUnstructuredGridVolumeRepresentation::IsCached(double cache_key)
{
return this->CacheKeeper->IsCached(cache_key);
}
//----------------------------------------------------------------------------
int vtkUnstructuredGridVolumeRepresentation::ProcessViewRequest(
vtkInformationRequestKey* request_type,
vtkInformation* inInfo, vtkInformation* outInfo)
{
if (!this->Superclass::ProcessViewRequest(request_type, inInfo, outInfo))
{
return 0;
}
if (request_type == vtkPVView::REQUEST_UPDATE())
{
outInfo->Set(vtkPVRenderView::NEED_ORDERED_COMPOSITING(), 1);
vtkPVRenderView::SetPiece(inInfo, this,
this->CacheKeeper->GetOutputDataObject(0));
vtkPVRenderView::MarkAsRedistributable(inInfo, this);
vtkNew<vtkMatrix4x4> matrix;
this->Actor->GetMatrix(matrix.GetPointer());
vtkPVRenderView::SetGeometryBounds(inInfo, this->DataBounds,
matrix.GetPointer());
}
else if (request_type == vtkPVView::REQUEST_UPDATE_LOD())
{
this->LODGeometryFilter->SetUseOutline(
inInfo->Has(vtkPVRenderView::USE_OUTLINE_FOR_LOD())? 1 : 0);
this->LODGeometryFilter->Update();
vtkPVRenderView::SetPieceLOD(inInfo, this,
this->LODGeometryFilter->GetOutputDataObject(0));
}
else if (request_type == vtkPVView::REQUEST_RENDER())
{
if (inInfo->Has(vtkPVRenderView::USE_LOD()))
{
this->Actor->SetEnableLOD(1);
}
else
{
this->Actor->SetEnableLOD(0);
}
vtkAlgorithmOutput* producerPort =
vtkPVRenderView::GetPieceProducer(inInfo, this);
vtkAlgorithmOutput* producerPortLOD =
vtkPVRenderView::GetPieceProducerLOD(inInfo, this);
vtkUnstructuredGridVolumeMapper* activeMapper = this->GetActiveVolumeMapper();
activeMapper->SetInputConnection(producerPort);
this->LODMapper->SetInputConnection(producerPortLOD);
this->UpdateMapperParameters();
}
return 1;
}
//----------------------------------------------------------------------------
bool vtkUnstructuredGridVolumeRepresentation::AddToView(vtkView* view)
{
vtkPVRenderView* rview = vtkPVRenderView::SafeDownCast(view);
if (rview)
{
rview->GetRenderer()->AddActor(this->Actor);
return this->Superclass::AddToView(view);
}
return false;
}
//----------------------------------------------------------------------------
bool vtkUnstructuredGridVolumeRepresentation::RemoveFromView(vtkView* view)
{
vtkPVRenderView* rview = vtkPVRenderView::SafeDownCast(view);
if (rview)
{
rview->GetRenderer()->RemoveActor(this->Actor);
return this->Superclass::RemoveFromView(view);
}
return false;
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::UpdateMapperParameters()
{
vtkUnstructuredGridVolumeMapper* activeMapper = this->GetActiveVolumeMapper();
const char* colorArrayName = NULL;
int fieldAssociation = vtkDataObject::FIELD_ASSOCIATION_POINTS;
vtkInformation *info = this->GetInputArrayInformation(0);
if (info &&
info->Has(vtkDataObject::FIELD_ASSOCIATION()) &&
info->Has(vtkDataObject::FIELD_NAME()))
{
colorArrayName = info->Get(vtkDataObject::FIELD_NAME());
fieldAssociation = info->Get(vtkDataObject::FIELD_ASSOCIATION());
}
activeMapper->SelectScalarArray(colorArrayName);
if (colorArrayName && colorArrayName[0])
{
this->LODMapper->SetScalarVisibility(1);
this->LODMapper->SelectColorArray(colorArrayName);
}
else
{
this->LODMapper->SetScalarVisibility(0);
this->LODMapper->SelectColorArray(static_cast<const char*>(NULL));
}
switch (fieldAssociation)
{
case vtkDataObject::FIELD_ASSOCIATION_CELLS:
activeMapper->SetScalarMode(VTK_SCALAR_MODE_USE_CELL_FIELD_DATA);
this->LODMapper->SetScalarMode(VTK_SCALAR_MODE_USE_CELL_FIELD_DATA);
break;
case vtkDataObject::FIELD_ASSOCIATION_NONE:
activeMapper->SetScalarMode(VTK_SCALAR_MODE_USE_FIELD_DATA);
this->LODMapper->SetScalarMode(VTK_SCALAR_MODE_USE_FIELD_DATA);
break;
case vtkDataObject::FIELD_ASSOCIATION_POINTS:
default:
activeMapper->SetScalarMode(VTK_SCALAR_MODE_USE_POINT_FIELD_DATA);
this->LODMapper->SetScalarMode(VTK_SCALAR_MODE_USE_POINT_FIELD_DATA);
break;
}
this->Actor->SetMapper(activeMapper);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//***************************************************************************
// Forwarded to vtkVolumeRepresentationPreprocessor
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetExtractedBlockIndex(unsigned int index)
{
this->Preprocessor->SetExtractedBlockIndex(index);
}
//***************************************************************************
// Forwarded to Actor.
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetOrientation(double x, double y, double z)
{
this->Actor->SetOrientation(x, y, z);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetOrigin(double x, double y, double z)
{
this->Actor->SetOrigin(x, y, z);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetPickable(int val)
{
this->Actor->SetPickable(val);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetPosition(double x , double y, double z)
{
this->Actor->SetPosition(x, y, z);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetScale(double x, double y, double z)
{
this->Actor->SetScale(x, y, z);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetVisibility(bool val)
{
this->Actor->SetVisibility(val? 1 : 0);
this->Superclass::SetVisibility(val);
}
//***************************************************************************
// Forwarded to vtkVolumeProperty.
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetInterpolationType(int val)
{
this->Property->SetInterpolationType(val);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetColor(vtkColorTransferFunction* lut)
{
this->Property->SetColor(lut);
this->LODMapper->SetLookupTable(lut);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetScalarOpacity(vtkPiecewiseFunction* pwf)
{
this->Property->SetScalarOpacity(pwf);
}
//----------------------------------------------------------------------------
void vtkUnstructuredGridVolumeRepresentation::SetScalarOpacityUnitDistance(double val)
{
this->Property->SetScalarOpacityUnitDistance(val);
}