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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkMultiGroupProbeFilter.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 "vtkMultiGroupProbeFilter.h"
#include "vtkCompositeDataPipeline.h"
#include "vtkDataSet.h"
#include "vtkHierarchicalDataIterator.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiGroupDataSet.h"
#include "vtkObjectFactory.h"
#include "vtkSmartPointer.h"
vtkStandardNewMacro(vtkMultiGroupProbeFilter);
vtkCxxRevisionMacro(vtkMultiGroupProbeFilter, "$Revision: 1.1.2.1 $");
//----------------------------------------------------------------------------
vtkMultiGroupProbeFilter::vtkMultiGroupProbeFilter()
{
}
//----------------------------------------------------------------------------
vtkMultiGroupProbeFilter::~vtkMultiGroupProbeFilter()
{
}
//----------------------------------------------------------------------------
int vtkMultiGroupProbeFilter::FillInputPortInformation(
int port, vtkInformation* info)
{
this->Superclass::FillInputPortInformation(port, info);
if (port == 1)
{
// We have to save vtkDataObject since this filter can work on vtkDataSet
// and vtkMultiGroupDataSet consisting of vtkDataSet leaf nodes.
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataObject");
}
return 1;
}
//----------------------------------------------------------------------------
vtkExecutive* vtkMultiGroupProbeFilter::CreateDefaultExecutive()
{
return vtkCompositeDataPipeline::New();
}
//----------------------------------------------------------------------------
int vtkMultiGroupProbeFilter::RequestData(
vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// get the info objects
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation *sourceInfo = inputVector[1]->GetInformationObject(0);
vtkInformation *outInfo = outputVector->GetInformationObject(0);
// get the input and ouptut
vtkDataSet *input = vtkDataSet::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkDataSet *sourceDS = vtkDataSet::SafeDownCast(
sourceInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkMultiGroupDataSet* sourceMG = vtkMultiGroupDataSet::SafeDownCast(
sourceInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkDataSet *output = vtkDataSet::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
if (!input)
{
return 0;
}
if (!sourceDS && !sourceMG)
{
vtkErrorMacro("vtkDataSet or vtkMultiGroupDataSet is expected as the input "
"on port 1");
return 0;
}
if (sourceDS)
{
// Superclass knowns exactly what to do.
return this->Superclass::RequestData(request, inputVector, outputVector);
}
bool initialized = false;
vtkSmartPointer<vtkCompositeDataIterator> iter;
iter.TakeReference(sourceMG->NewIterator());
if (iter->IsA("vtkHierarchicalDataIterator"))
{
vtkHierarchicalDataIterator::SafeDownCast(iter)->SetAscendingLevels(0);
}
iter->VisitOnlyLeavesOn();
for (iter->InitTraversal(); !iter->IsDoneWithTraversal(); iter->GoToNextItem())
{
sourceDS = vtkDataSet::SafeDownCast(iter->GetCurrentDataObject());
if (!sourceDS)
{
vtkErrorMacro("All leaves in the multigroup dataset must be vtkDataSet.");
return 0;
}
if (!initialized)
{
initialized = true;
this->InitializeForProbing(input, sourceDS, output);
}
this->ProbeEmptyPoints(input, sourceDS, output);
}
return 1;
}
//----------------------------------------------------------------------------
void vtkMultiGroupProbeFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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