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122 lines
3.6 KiB
122 lines
3.6 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkHierarchicalDataSetGeometryFilter.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkHierarchicalDataSetGeometryFilter.h"
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#include "vtkAppendPolyData.h"
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#include "vtkCompositeDataIterator.h"
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#include "vtkCompositeDataPipeline.h"
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#include "vtkDataSet.h"
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#include "vtkGeometryFilter.h"
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#include "vtkImageData.h"
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#include "vtkInformation.h"
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#include "vtkInformationVector.h"
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#include "vtkHierarchicalDataSet.h"
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#include "vtkObjectFactory.h"
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vtkCxxRevisionMacro(vtkHierarchicalDataSetGeometryFilter, "$Revision: 1.4 $");
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vtkStandardNewMacro(vtkHierarchicalDataSetGeometryFilter);
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vtkHierarchicalDataSetGeometryFilter::vtkHierarchicalDataSetGeometryFilter()
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{
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}
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vtkHierarchicalDataSetGeometryFilter::~vtkHierarchicalDataSetGeometryFilter()
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{
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}
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int vtkHierarchicalDataSetGeometryFilter::FillInputPortInformation(
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int vtkNotUsed(port), vtkInformation* info)
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{
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// now add our info
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info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataObject");
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info->Set(vtkCompositeDataPipeline::INPUT_REQUIRED_COMPOSITE_DATA_TYPE(),
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"vtkHierarchicalDataSet");
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return 1;
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}
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int vtkHierarchicalDataSetGeometryFilter::ProcessRequest(
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vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector)
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{
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// generate the data
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if(request->Has(vtkCompositeDataPipeline::REQUEST_DATA()))
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{
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int retVal = this->RequestCompositeData(request, inputVector, outputVector);
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return retVal;
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}
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return this->Superclass::ProcessRequest(request, inputVector, outputVector);
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}
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int vtkHierarchicalDataSetGeometryFilter::RequestCompositeData(
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vtkInformation*,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector)
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{
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vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
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vtkHierarchicalDataSet *input = vtkHierarchicalDataSet::SafeDownCast(
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inInfo->Get(vtkCompositeDataSet::COMPOSITE_DATA_SET()));
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if (!input)
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{
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vtkErrorMacro("No input composite dataset provided.");
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return 0;
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}
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vtkInformation* info = outputVector->GetInformationObject(0);
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vtkPolyData *output = vtkPolyData::SafeDownCast(
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info->Get(vtkDataObject::DATA_OBJECT()));
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if (!output)
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{
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vtkErrorMacro("No output polydata provided.");
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return 0;
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}
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vtkCompositeDataIterator* iter = input->NewIterator();
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iter->GoToFirstItem();
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vtkAppendPolyData* append = vtkAppendPolyData::New();
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while (!iter->IsDoneWithTraversal())
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{
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vtkDataSet* ds = vtkDataSet::SafeDownCast(iter->GetCurrentDataObject());
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if (ds)
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{
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vtkGeometryFilter* geom = vtkGeometryFilter::New();
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geom->SetInput(ds);
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geom->Update();
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append->AddInput(geom->GetOutput());
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geom->Delete();
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}
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iter->GoToNextItem();
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}
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iter->Delete();
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append->Update();
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output->ShallowCopy(append->GetOutput());
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append->Delete();
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return 1;
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}
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vtkExecutive* vtkHierarchicalDataSetGeometryFilter::CreateDefaultExecutive()
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{
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return vtkCompositeDataPipeline::New();
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}
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void vtkHierarchicalDataSetGeometryFilter::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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