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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkCollectPolyData.h"
#include "vtkAppendPolyData.h"
#include "vtkCellData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiProcessController.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkSocketController.h"
#include "vtkStreamingDemandDrivenPipeline.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkCollectPolyData);
vtkCxxSetObjectMacro(vtkCollectPolyData, Controller, vtkMultiProcessController);
vtkCxxSetObjectMacro(vtkCollectPolyData, SocketController, vtkSocketController);
//------------------------------------------------------------------------------
vtkCollectPolyData::vtkCollectPolyData()
{
this->PassThrough = 0;
this->SocketController = nullptr;
// Controller keeps a reference to this object as well.
this->Controller = nullptr;
this->SetController(vtkMultiProcessController::GetGlobalController());
}
//------------------------------------------------------------------------------
vtkCollectPolyData::~vtkCollectPolyData()
{
this->SetController(nullptr);
this->SetSocketController(nullptr);
}
//------------------------------------------------------------------------------
int vtkCollectPolyData::RequestUpdateExtent(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
// get the info objects
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation* outInfo = outputVector->GetInformationObject(0);
inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER(),
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER()));
inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES(),
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES()));
inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS(),
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS()));
return 1;
}
//------------------------------------------------------------------------------
int vtkCollectPolyData::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
// get the info objects
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation* outInfo = outputVector->GetInformationObject(0);
// get the input and output
vtkPolyData* input = vtkPolyData::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkPolyData* output = vtkPolyData::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
int numProcs, myId;
int idx;
if (this->Controller == nullptr && this->SocketController == nullptr)
{ // Running as a single process.
output->CopyStructure(input);
output->GetPointData()->PassData(input->GetPointData());
output->GetCellData()->PassData(input->GetCellData());
return 1;
}
if (this->Controller == nullptr && this->SocketController != nullptr)
{ // This is a client. We assume no data on client for input.
if (!this->PassThrough)
{
vtkPolyData* pd = vtkPolyData::New();
this->SocketController->Receive(pd, 1, 121767);
output->CopyStructure(pd);
output->GetPointData()->PassData(pd->GetPointData());
output->GetCellData()->PassData(pd->GetCellData());
pd->Delete();
pd = nullptr;
return 1;
}
// If not collected, output will be empty from initialization.
return 0;
}
myId = this->Controller->GetLocalProcessId();
numProcs = this->Controller->GetNumberOfProcesses();
if (this->PassThrough)
{
// Just copy and return (no collection).
output->CopyStructure(input);
output->GetPointData()->PassData(input->GetPointData());
output->GetCellData()->PassData(input->GetCellData());
return 1;
}
// Collect.
vtkAppendPolyData* append = vtkAppendPolyData::New();
vtkPolyData* pd = nullptr;
if (myId == 0)
{
pd = vtkPolyData::New();
pd->CopyStructure(input);
pd->GetPointData()->PassData(input->GetPointData());
pd->GetCellData()->PassData(input->GetCellData());
append->AddInputData(pd);
pd->Delete();
for (idx = 1; idx < numProcs; ++idx)
{
pd = vtkPolyData::New();
this->Controller->Receive(pd, idx, 121767);
append->AddInputData(pd);
pd->Delete();
pd = nullptr;
}
append->Update();
input = append->GetOutput();
if (this->SocketController)
{ // Send collected data onto client.
this->SocketController->Send(input, 1, 121767);
// output will be empty.
}
else
{ // No client. Keep the output here.
output->CopyStructure(input);
output->GetPointData()->PassData(input->GetPointData());
output->GetCellData()->PassData(input->GetCellData());
}
append->Delete();
append = nullptr;
}
else
{
this->Controller->Send(input, 0, 121767);
append->Delete();
append = nullptr;
}
return 1;
}
//------------------------------------------------------------------------------
void vtkCollectPolyData::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "PassThough: " << this->PassThrough << endl;
os << indent << "Controller: (" << this->Controller << ")\n";
os << indent << "SocketController: (" << this->SocketController << ")\n";
}
VTK_ABI_NAMESPACE_END
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