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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCompositeDataSetAlgorithm.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 "vtkCompositeDataSetAlgorithm.h"
#include "vtkCommand.h"
#include "vtkCompositeDataPipeline.h"
#include "vtkDataSet.h"
#include "vtkCompositeDataSet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
vtkStandardNewMacro(vtkCompositeDataSetAlgorithm);
//----------------------------------------------------------------------------
// Instantiate object so that cell data is not passed to output.
vtkCompositeDataSetAlgorithm::vtkCompositeDataSetAlgorithm()
{
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
}
//----------------------------------------------------------------------------
vtkCompositeDataSet* vtkCompositeDataSetAlgorithm::GetOutput()
{
return this->GetOutput(0);
}
//----------------------------------------------------------------------------
vtkCompositeDataSet* vtkCompositeDataSetAlgorithm::GetOutput(int port)
{
vtkDataObject* output =
vtkCompositeDataPipeline::SafeDownCast(this->GetExecutive())->
GetCompositeOutputData(port);
return vtkCompositeDataSet::SafeDownCast(output);
}
//----------------------------------------------------------------------------
void vtkCompositeDataSetAlgorithm::SetInput(vtkDataObject* input)
{
this->SetInput(0, input);
}
//----------------------------------------------------------------------------
void vtkCompositeDataSetAlgorithm::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* vtkCompositeDataSetAlgorithm::GetInput(int port)
{
if (this->GetNumberOfInputConnections(port) < 1)
{
return 0;
}
return this->GetExecutive()->GetInputData(port, 0);
}
//----------------------------------------------------------------------------
int vtkCompositeDataSetAlgorithm::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);
}
}
else
{
for (int outIdx=0; outIdx < this->GetNumberOfOutputPorts(); outIdx++)
{
vtkInformation* info = outputVector->GetInformationObject(outIdx);
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 vtkCompositeDataSetAlgorithm::FillOutputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkCompositeDataSet");
return 1;
}
//----------------------------------------------------------------------------
int vtkCompositeDataSetAlgorithm::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkCompositeDataSet");
return 1;
}
//----------------------------------------------------------------------------
vtkExecutive* vtkCompositeDataSetAlgorithm::CreateDefaultExecutive()
{
return vtkCompositeDataPipeline::New();
}
//----------------------------------------------------------------------------
void vtkCompositeDataSetAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}