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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkHierarchicalDataSetAlgorithm.cxx,v $
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 "vtkHierarchicalDataSetAlgorithm.h"
#include "vtkCommand.h"
#include "vtkCompositeDataPipeline.h"
#include "vtkDataSet.h"
#include "vtkHierarchicalDataSet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
vtkCxxRevisionMacro(vtkHierarchicalDataSetAlgorithm, "$Revision: 1.6 $");
vtkStandardNewMacro(vtkHierarchicalDataSetAlgorithm);
//----------------------------------------------------------------------------
// Instantiate object so that cell data is not passed to output.
vtkHierarchicalDataSetAlgorithm::vtkHierarchicalDataSetAlgorithm()
{
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
}
//----------------------------------------------------------------------------
vtkHierarchicalDataSet* vtkHierarchicalDataSetAlgorithm::GetOutput()
{
return this->GetOutput(0);
}
//----------------------------------------------------------------------------
vtkHierarchicalDataSet* vtkHierarchicalDataSetAlgorithm::GetOutput(int port)
{
vtkDataObject* output =
vtkCompositeDataPipeline::SafeDownCast(this->GetExecutive())->
GetCompositeOutputData(port);
return vtkHierarchicalDataSet::SafeDownCast(output);
}
//----------------------------------------------------------------------------
void vtkHierarchicalDataSetAlgorithm::SetInput(vtkDataObject* input)
{
this->SetInput(0, input);
}
//----------------------------------------------------------------------------
void vtkHierarchicalDataSetAlgorithm::SetInput(int index, vtkDataObject* input)
{
if(input)
{
this->SetInputConnection(index, input->GetProducerPort());
}
else
{
// Setting a NULL input removes the connection.
this->SetInputConnection(index, 0);
}
}
//----------------------------------------------------------------------------
vtkDataObject* vtkHierarchicalDataSetAlgorithm::GetInput(int port)
{
if (this->GetNumberOfInputConnections(port) < 1)
{
return 0;
}
return this->GetExecutive()->GetInputData(port, 0);
}
//----------------------------------------------------------------------------
int vtkHierarchicalDataSetAlgorithm::ProcessRequest(
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
// create the output
if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA_OBJECT()))
{
return this->RequestDataObject(request, inputVector, outputVector);
}
// generate the data
if(request->Has(vtkCompositeDataPipeline::REQUEST_DATA()))
{
int retVal = this->RequestData(request, inputVector, outputVector);
return retVal;
}
// execute information
if(request->Has(vtkDemandDrivenPipeline::REQUEST_INFORMATION()))
{
if(request->Has(vtkStreamingDemandDrivenPipeline::FROM_OUTPUT_PORT()))
{
int outputPort = request->Get(
vtkStreamingDemandDrivenPipeline::FROM_OUTPUT_PORT());
vtkInformation* info = outputVector->GetInformationObject(outputPort);
if (info)
{
info->Set(
vtkStreamingDemandDrivenPipeline::MAXIMUM_NUMBER_OF_PIECES(), -1);
}
}
return this->RequestInformation(request, inputVector, outputVector);
}
// set update extent
if(request->Has(
vtkCompositeDataPipeline::REQUEST_UPDATE_EXTENT()))
{
return this->RequestUpdateExtent(request, inputVector, outputVector);
}
return this->Superclass::ProcessRequest(request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
int vtkHierarchicalDataSetAlgorithm::FillOutputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkDataObject");
info->Set(vtkCompositeDataPipeline::COMPOSITE_DATA_TYPE_NAME(),
"vtkHierarchicalDataSet");
return 1;
}
//----------------------------------------------------------------------------
int vtkHierarchicalDataSetAlgorithm::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataObject");
info->Set(vtkCompositeDataPipeline::INPUT_REQUIRED_COMPOSITE_DATA_TYPE(),
"vtkHierarchicalDataSet");
return 1;
}
//----------------------------------------------------------------------------
vtkExecutive* vtkHierarchicalDataSetAlgorithm::CreateDefaultExecutive()
{
return vtkCompositeDataPipeline::New();
}
//----------------------------------------------------------------------------
void vtkHierarchicalDataSetAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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