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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMultiBlockFromTimeSeriesFilter.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 "vtkMultiBlockFromTimeSeriesFilter.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
vtkStandardNewMacro(vtkMultiBlockFromTimeSeriesFilter)
vtkMultiBlockFromTimeSeriesFilter::vtkMultiBlockFromTimeSeriesFilter()
{
this->UpdateTimeIndex = 0;
}
vtkMultiBlockFromTimeSeriesFilter::~vtkMultiBlockFromTimeSeriesFilter()
{
}
int vtkMultiBlockFromTimeSeriesFilter::FillInputPortInformation(
int, vtkInformation *info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataObject");
return 1;
}
int vtkMultiBlockFromTimeSeriesFilter::RequestInformation(vtkInformation *vtkNotUsed(request),
vtkInformationVector** inInfo, vtkInformationVector* vtkNotUsed(outInfo))
{
this->UpdateTimeIndex = 0;
vtkInformation *info = inInfo[0]->GetInformationObject(0);
int len = info->Length(vtkStreamingDemandDrivenPipeline::TIME_STEPS());
double *timeSteps = info->Get(vtkStreamingDemandDrivenPipeline::TIME_STEPS());
this->TimeSteps.resize(len);
std::copy(timeSteps, timeSteps + len, this->TimeSteps.begin());
this->TempDataset = vtkSmartPointer<vtkMultiBlockDataSet>::New();
this->TempDataset->SetNumberOfBlocks(len);
return 1;
}
int vtkMultiBlockFromTimeSeriesFilter::RequestUpdateExtent(vtkInformation *vtkNotUsed(request),
vtkInformationVector** inInfo, vtkInformationVector* vtkNotUsed(outInfo))
{
if (this->TimeSteps.size() > static_cast<size_t>(this->UpdateTimeIndex))
{
vtkInformation *info = inInfo[0]->GetInformationObject(0);
info->Set(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP(),
this->TimeSteps[this->UpdateTimeIndex]);
}
return 1;
}
int vtkMultiBlockFromTimeSeriesFilter::RequestData(vtkInformation *request,
vtkInformationVector** inInfo, vtkInformationVector* outInfo)
{
vtkInformation *info = inInfo[0]->GetInformationObject(0);
vtkDataObject *data = vtkDataObject::GetData(info);
vtkSmartPointer<vtkDataObject> clone =
vtkSmartPointer<vtkDataObject>::Take(data->NewInstance());
clone->ShallowCopy(data);
this->TempDataset->SetBlock(this->UpdateTimeIndex, clone);
if (this->UpdateTimeIndex < static_cast<vtkTypeInt64>(this->TimeSteps.size()) - 1)
{
this->UpdateTimeIndex++;
request->Set(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING(), 1);
}
else
{
vtkMultiBlockDataSet *output = vtkMultiBlockDataSet::GetData(outInfo);
output->ShallowCopy(this->TempDataset);
for (unsigned i = 0; i < this->TempDataset->GetNumberOfBlocks(); ++i)
{
this->TempDataset->SetBlock(i, NULL);
}
request->Remove(vtkStreamingDemandDrivenPipeline::CONTINUE_EXECUTING());
}
return 1;
}
void vtkMultiBlockFromTimeSeriesFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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