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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkPolyDataToReebGraphFilter.h"
#include "vtkElevationFilter.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkReebGraph.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkPolyDataToReebGraphFilter);
//------------------------------------------------------------------------------
vtkPolyDataToReebGraphFilter::vtkPolyDataToReebGraphFilter()
{
FieldId = 0;
this->SetNumberOfInputPorts(1);
}
//------------------------------------------------------------------------------
vtkPolyDataToReebGraphFilter::~vtkPolyDataToReebGraphFilter() = default;
//------------------------------------------------------------------------------
int vtkPolyDataToReebGraphFilter::FillInputPortInformation(
int vtkNotUsed(portNumber), vtkInformation* info)
{
info->Remove(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE());
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkPolyData");
return 1;
}
//------------------------------------------------------------------------------
int vtkPolyDataToReebGraphFilter::FillOutputPortInformation(int, vtkInformation* info)
{
info->Set(vtkDirectedGraph::DATA_TYPE_NAME(), "vtkReebGraph");
return 1;
}
//------------------------------------------------------------------------------
void vtkPolyDataToReebGraphFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Field Id: " << this->FieldId << "\n";
}
//------------------------------------------------------------------------------
vtkReebGraph* vtkPolyDataToReebGraphFilter::GetOutput()
{
return vtkReebGraph::SafeDownCast(this->GetOutputDataObject(0));
}
//------------------------------------------------------------------------------
int vtkPolyDataToReebGraphFilter::RequestData(
vtkInformation*, vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkPolyData* input = vtkPolyData::SafeDownCast(inInfo->Get(vtkPolyData::DATA_OBJECT()));
vtkInformation* outInfo = outputVector->GetInformationObject(0);
vtkReebGraph* output = vtkReebGraph::SafeDownCast(outInfo->Get(vtkReebGraph::DATA_OBJECT()));
// check for the presence of a scalar field
vtkDataArray* scalarField = input->GetPointData()->GetArray(FieldId);
if (!scalarField)
{
vtkElevationFilter* eFilter = vtkElevationFilter::New();
eFilter->SetInputData(input);
eFilter->SetContainerAlgorithm(this);
eFilter->Update();
output->Build(vtkPolyData::SafeDownCast(eFilter->GetOutput()), "Elevation");
eFilter->Delete();
}
else if (!this->CheckAbort())
{
output->Build(input, FieldId);
}
if (scalarField)
{
}
else
{
}
return 1;
}
VTK_ABI_NAMESPACE_END
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