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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkGenerateProcessIds.h"
#include "vtkCellData.h"
#include "vtkConstantArray.h"
#include "vtkDataSet.h"
#include "vtkIdTypeArray.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiProcessController.h"
#include "vtkPointData.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkGenerateProcessIds);
vtkCxxSetSmartPointerMacro(vtkGenerateProcessIds, Controller, vtkMultiProcessController);
//------------------------------------------------------------------------------
vtkGenerateProcessIds::vtkGenerateProcessIds()
{
this->Controller = vtkMultiProcessController::GetGlobalController();
}
//------------------------------------------------------------------------------
vtkGenerateProcessIds::~vtkGenerateProcessIds() = default;
//------------------------------------------------------------------------------
int vtkGenerateProcessIds::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
// get the info objects
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation* outInfo = outputVector->GetInformationObject(0);
if (!inInfo || !outInfo)
{
return 0;
}
// get the input and output
vtkDataSet* input = vtkDataSet::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkDataSet* output = vtkDataSet::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
if (!input || !output)
{
return 0;
}
vtkIdType piece =
this->Controller ? static_cast<vtkIdType>(this->Controller->GetLocalProcessId()) : 0;
output->ShallowCopy(input);
if (this->GeneratePointData)
{
vtkIdType numberOfPoints = input->GetNumberOfPoints();
auto processIds = this->GenerateProcessIds(piece, numberOfPoints);
processIds->SetName("PointProcessIds");
output->GetPointData()->SetProcessIds(processIds);
}
if (this->GenerateCellData)
{
vtkIdType numberOfCells = input->GetNumberOfCells();
auto processIds = this->GenerateProcessIds(piece, numberOfCells);
processIds->SetName("CellProcessIds");
output->GetCellData()->SetProcessIds(processIds);
}
return 1;
}
//------------------------------------------------------------------------------
vtkSmartPointer<vtkConstantArray<vtkIdType>> vtkGenerateProcessIds::GenerateProcessIds(
vtkIdType piece, vtkIdType numberOfTuples)
{
vtkNew<vtkConstantArray<vtkIdType>> arr;
arr->ConstructBackend(piece);
arr->SetNumberOfComponents(1);
arr->SetNumberOfTuples(numberOfTuples);
return arr;
}
//------------------------------------------------------------------------------
vtkMultiProcessController* vtkGenerateProcessIds::GetController()
{
return this->Controller.Get();
}
//------------------------------------------------------------------------------
void vtkGenerateProcessIds::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Generate for PointData: " << (this->GeneratePointData ? "On" : "Off")
<< std::endl;
os << indent << "Generate for CellData: " << (this->GenerateCellData ? "On" : "Off") << std::endl;
os << indent << "Controller: ";
if (this->Controller)
{
this->Controller->PrintSelf(os, indent.GetNextIndent());
}
else
{
os << "(none)" << std::endl;
}
}
VTK_ABI_NAMESPACE_END
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