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/*=========================================================================
Program: Visualization Toolkit
Module: vtkNewickTreeWriter.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 "vtkNewickTreeWriter.h"
#include "vtkDataSetAttributes.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkTree.h"
vtkStandardNewMacro(vtkNewickTreeWriter);
//----------------------------------------------------------------------------
vtkNewickTreeWriter::vtkNewickTreeWriter()
{
this->SetFileTypeToASCII();
this->EdgeWeightArrayName = "weight";
this->NodeNameArrayName = "node name";
this->EdgeWeightArray = NULL;
this->NodeNameArray = NULL;
}
//----------------------------------------------------------------------------
void vtkNewickTreeWriter::WriteData()
{
vtkDebugMacro(<<"Writing vtk tree data...");
vtkTree* const input = this->GetInput();
this->EdgeWeightArray =
input->GetEdgeData()->GetAbstractArray(this->EdgeWeightArrayName.c_str());
this->NodeNameArray =
input->GetVertexData()->GetAbstractArray(this->NodeNameArrayName.c_str());
ostream *fp = this->OpenVTKFile();
if(!fp)
{
vtkErrorMacro("Falied to open output stream");
return;
}
this->WriteVertex(fp, input, input->GetRoot());
// the tree ends with a semi-colon
*fp << ";";
this->CloseVTKFile(fp);
}
//----------------------------------------------------------------------------
void vtkNewickTreeWriter::WriteVertex(ostream *fp, vtkTree* const input,
vtkIdType vertex)
{
vtkIdType numChildren = input->GetNumberOfChildren(vertex);
if (numChildren > 0)
{
*fp << "(";
for (vtkIdType child = 0; child < numChildren; ++child)
{
this->WriteVertex(fp, input, input->GetChild(vertex, child));
if (child != numChildren - 1)
{
*fp << ",";
}
}
*fp << ")";
}
if (this->NodeNameArray)
{
vtkStdString name = this->NodeNameArray->GetVariantValue(vertex).ToString();
if (name != "")
{
*fp << name;
}
}
if (this->EdgeWeightArray)
{
vtkIdType parent = input->GetParent(vertex);
if (parent != -1)
{
vtkIdType edge = input->GetEdgeId(parent, vertex);
if (edge != -1)
{
double weight = this->EdgeWeightArray->GetVariantValue(edge).ToDouble();
*fp << ":" << weight;
}
}
}
}
//----------------------------------------------------------------------------
int vtkNewickTreeWriter::FillInputPortInformation(int, vtkInformation *info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkTree");
return 1;
}
//----------------------------------------------------------------------------
vtkTree* vtkNewickTreeWriter::GetInput()
{
return vtkTree::SafeDownCast(this->Superclass::GetInput());
}
//----------------------------------------------------------------------------
vtkTree* vtkNewickTreeWriter::GetInput(int port)
{
return vtkTree::SafeDownCast(this->Superclass::GetInput(port));
}
//----------------------------------------------------------------------------
void vtkNewickTreeWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "EdgeWeightArrayName: " << this->EdgeWeightArrayName << endl;
os << indent << "NodeNameArrayName: " << this->NodeNameArrayName << endl;
}
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