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/*=========================================================================
Program: Visualization Toolkit
Module: vtkSpatialRepresentationFilter.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 "vtkSpatialRepresentationFilter.h"
#include "vtkLocator.h"
#include "vtkInformation.h"
#include "vtkGarbageCollector.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkPolyData.h"
#include <set>
class vtkSpatialRepresentationFilterInternal
{
public:
std::set<int> Levels;
};
vtkStandardNewMacro(vtkSpatialRepresentationFilter);
vtkCxxSetObjectMacro(vtkSpatialRepresentationFilter,
SpatialRepresentation,vtkLocator);
vtkSpatialRepresentationFilter::vtkSpatialRepresentationFilter()
{
this->SetNumberOfInputPorts(1);
this->SpatialRepresentation = NULL;
this->MaximumLevel = 0;
this->GenerateLeaves = false;
this->Internal = new vtkSpatialRepresentationFilterInternal;
}
vtkSpatialRepresentationFilter::~vtkSpatialRepresentationFilter()
{
if ( this->SpatialRepresentation )
{
this->SpatialRepresentation->UnRegister(this);
this->SpatialRepresentation = NULL;
}
delete this->Internal;
}
void vtkSpatialRepresentationFilter::AddLevel(int level)
{
this->Internal->Levels.insert(level);
}
void vtkSpatialRepresentationFilter::ResetLevels()
{
this->Internal->Levels.clear();
}
int vtkSpatialRepresentationFilter::RequestData(
vtkInformation*,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
vtkDataSet* input = vtkDataSet::GetData(inputVector[0]);
vtkMultiBlockDataSet* output = vtkMultiBlockDataSet::GetData(outputVector);
if (this->SpatialRepresentation == NULL)
{
vtkErrorMacro(<< "SpatialRepresentation is NULL.");
return 0;
}
this->SpatialRepresentation->SetDataSet(input);
this->SpatialRepresentation->Update();
this->MaximumLevel = this->SpatialRepresentation->GetLevel();
//
// Loop over all requested levels generating new levels as necessary
//
std::set<int>::iterator it;
for ( it = this->Internal->Levels.begin();
it != this->Internal->Levels.end();
it++ )
{
if ( *it <= this->MaximumLevel )
{
vtkNew<vtkPolyData> level_representation;
output->SetBlock(*it, level_representation.GetPointer());
this->SpatialRepresentation->GenerateRepresentation(
*it, level_representation.GetPointer());
}
}
if (this->GenerateLeaves)
{
vtkNew<vtkPolyData> leaf_representation;
output->SetBlock(this->MaximumLevel + 1, leaf_representation.GetPointer());
this->SpatialRepresentation->GenerateRepresentation(
-1, leaf_representation.GetPointer());
}
return 1;
}
void vtkSpatialRepresentationFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Maximum Level: " << this->MaximumLevel << "\n";
os << indent << "GenerateLeaves: " << this->GenerateLeaves << "\n";
if ( this->SpatialRepresentation )
{
os << indent << "Spatial Representation: " << this->SpatialRepresentation
<< "\n";
}
else
{
os << indent << "Spatial Representation: (none)\n";
}
}
//----------------------------------------------------------------------------
void vtkSpatialRepresentationFilter::ReportReferences(vtkGarbageCollector* collector)
{
this->Superclass::ReportReferences(collector);
// This filter shares our input and is therefore involved in a
// reference loop.
vtkGarbageCollectorReport(collector, this->SpatialRepresentation,
"SpatialRepresentation");
}
//----------------------------------------------------------------------------
int vtkSpatialRepresentationFilter::FillInputPortInformation(int port, vtkInformation* info)
{
if(!this->Superclass::FillInputPortInformation(port, info))
{
return 0;
}
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataSet");
return 1;
}
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