+/*
+# ---------------------------------------------------------------------
+#
+# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
+# pour la Sante)
+# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+# Previous Authors : Laurent Guigues, Jean-Pierre Roux
+# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+#
+# This software is governed by the CeCILL-B license under French law and
+# abiding by the rules of distribution of free software. You can use,
+# modify and/ or redistribute the software under the terms of the CeCILL-B
+# license as circulated by CEA, CNRS and INRIA at the following URL
+# http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+# or in the file LICENSE.txt.
+#
+# As a counterpart to the access to the source code and rights to copy,
+# modify and redistribute granted by the license, users are provided only
+# with a limited warranty and the software's author, the holder of the
+# economic rights, and the successive licensors have only limited
+# liability.
+#
+# The fact that you are presently reading this means that you have had
+# knowledge of the CeCILL-B license and that you accept its terms.
+# ------------------------------------------------------------------------
+*/
+
+#include "creaVtkStreamLineScalarSeg.h"
+#include "vtkPointData.h"
+#include "vtkDataArray.h"
+#include "vtkDoubleArray.h"
+
+
+// ------------------------------------------------------------------------
+creaVtkStreamLineScalarSeg::creaVtkStreamLineScalarSeg()
+{
+ _vtkidlist = vtkIdList::New();
+ _newvtkpolydata = vtkPolyData::New();
+ _newvtkcellarray = vtkCellArray::New();
+}
+
+// ------------------------------------------------------------------------
+creaVtkStreamLineScalarSeg::~creaVtkStreamLineScalarSeg()
+{
+}
+
+// ------------------------------------------------------------------------
+void creaVtkStreamLineScalarSeg::SetScalarStreamLinesIn( vtkPolyData* polydata)
+{
+ _StreamLinesIn = polydata;
+}
+
+// ------------------------------------------------------------------------
+void creaVtkStreamLineScalarSeg::SetScalarArrayName( std::string name)
+{
+ _ScalarArrayName = name;
+}
+
+// ------------------------------------------------------------------------
+void creaVtkStreamLineScalarSeg::SetThresholdLower( double value)
+{
+ _ThresholdLower = value;
+}
+
+// ------------------------------------------------------------------------
+void creaVtkStreamLineScalarSeg::SetThresholdUpper( double value )
+{
+ _ThresholdUpper = value;
+}
+
+// ------------------------------------------------------------------------
+void creaVtkStreamLineScalarSeg::Process()
+{
+ if (_ScalarArrayName=="")
+ {
+ printf(".\n ");
+ printf(".\n ");
+ printf("BBTK Warnning! ScalarArrayName is empty in creaVtkStreamLineScalarSeg \n");
+ printf(".\n ");
+ printf(".\n ");
+ }
+
+ if ((_StreamLinesIn!=NULL) && (_ScalarArrayName!="") )
+ {
+ int iLine;
+
+ _newvtkcellarray->Initialize();
+
+ vtkCellArray *vtkcellarray = _StreamLinesIn->GetLines();
+ int nLinesCell = vtkcellarray->GetNumberOfCells();
+// int vtkcellarraysize = vtkcellarray->GetSize();
+ int numberofids;
+ int ii;
+ vtkDataArray *scalarArray = _StreamLinesIn->GetPointData()->GetArray( _ScalarArrayName.c_str() );
+
+
+ vtkDoubleArray *newScalarArray = vtkDoubleArray::New();
+ newScalarArray->SetName( _ScalarArrayName.c_str() );
+ newScalarArray->SetNumberOfComponents(1);
+
+ // FOR EACH LINE
+ double scalarValue;
+ long int iLineNew=0;
+ ii=0;
+ for ( iLine=0 ; iLine<nLinesCell ; iLine++ )
+ {
+ vtkcellarray->GetCell(ii, _vtkidlist );
+ numberofids = _vtkidlist->GetNumberOfIds();
+ scalarValue = scalarArray->GetTuple1(iLine);
+ if ( ( scalarValue>=_ThresholdLower ) && ( scalarValue<=_ThresholdUpper ) )
+ {
+ _newvtkcellarray->InsertNextCell( _vtkidlist );
+ newScalarArray->InsertTuple1( iLineNew, scalarValue );
+ iLineNew++;
+ }
+
+ ii=ii+numberofids+1;
+ } // for iLine
+
+ _newvtkpolydata->SetPoints( _StreamLinesIn->GetPoints() );
+ _newvtkpolydata->SetLines( _newvtkcellarray );
+ int iArrays,arraysSize = _StreamLinesIn->GetPointData()->GetNumberOfArrays();
+ for ( iArrays=0 ; iArrays<arraysSize ; iArrays++ )
+ {
+ _newvtkpolydata->GetPointData()->AddArray( _StreamLinesIn->GetPointData()->GetArray(iArrays) );
+ }
+ _newvtkpolydata->GetPointData()->RemoveArray( _ScalarArrayName.c_str() );
+ _newvtkpolydata->GetPointData()->AddArray( newScalarArray );
+ _newvtkpolydata->Update();
+
+ _StreamLinesOut = _newvtkpolydata;
+
+ } // _StreamLinesIn
+
+}
+
+// ------------------------------------------------------------------------
+vtkPolyData* creaVtkStreamLineScalarSeg::GetStreamLinesOut()
+{
+ return _StreamLinesOut;
+}
+
+