packages/vtk/src/bbvtkSegmentationConnectivity.cxx

   1 /*=========================================================================
   2   Program:   bbtk
   3   Module:    $RCSfile: bbvtkSegmentationConnectivity.cxx,v $
   4   Language:  C++
   5   Date:      $Date: 2009/05/15 14:58:01 $
   6   Version:   $Revision: 1.5 $
   7 =========================================================================*/
   8
   9 /* ---------------------------------------------------------------------
  10
  11 * Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
  12 * Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
  13 *
  14 *  This software is governed by the CeCILL-B license under French law and
  15 *  abiding by the rules of distribution of free software. You can  use,
  16 *  modify and/ or redistribute the software under the terms of the CeCILL-B
  17 *  license as circulated by CEA, CNRS and INRIA at the following URL
  18 *  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  19 *  or in the file LICENSE.txt.
  20 *
  21 *  As a counterpart to the access to the source code and  rights to copy,
  22 *  modify and redistribute granted by the license, users are provided only
  23 *  with a limited warranty  and the software's author,  the holder of the
  24 *  economic rights,  and the successive licensors  have only  limited
  25 *  liability.
  26 *
  27 *  The fact that you are presently reading this means that you have had
  28 *  knowledge of the CeCILL-B license and that you accept its terms.
  29 * ------------------------------------------------------------------------ */
  30
  31 /**
  32  *  \file
  33  *  \brief
  34  */
  35
  36
  37 #ifdef _USE_VTK_
  38
  39
  40 #include "bbvtkSegmentationConnectivity.h"
  41 #include "bbvtkPackage.h"
  42
  43 namespace bbvtk
  44 {
  45
  46   BBTK_ADD_BLACK_BOX_TO_PACKAGE(vtk,SegmentationConnectivity);
  47   BBTK_BLACK_BOX_IMPLEMENTATION(SegmentationConnectivity,
  48                                 bbtk::AtomicBlackBox);
  49
  50
  51         // --------------------------------------------------------------
  52   void SegmentationConnectivity::bbUserSetDefaultValues()
  53   {
  54           thresh2       = NULL;
  55           cast2         = NULL;
  56           connect2      = NULL;
  57           cast4         = NULL;
  58
  59           bbSetInputIn(NULL);
  60           std::vector<int> position;
  61           position.push_back(0);
  62           position.push_back(0);
  63           position.push_back(0);
  64           bbSetInputPositionXYZ(position);
  65           std::vector<int> threshold;
  66           threshold.push_back(0);
  67           threshold.push_back(0);
  68           bbSetInputThresholdMinMax(threshold);
  69           bbSetOutputOut(NULL);
  70   }
  71
  72         // --------------------------------------------------------------
  73         void SegmentationConnectivity::bbUserInitializeProcessing()
  74         {
  75                 thresh2 = vtkImageThreshold::New();
  76                         thresh2->SetInValue(255);
  77                         thresh2->SetOutputScalarTypeToUnsignedShort();
  78                         thresh2->SetOutValue(0);
  79                 cast2 = vtkImageCast::New();
  80                         cast2->SetInput(thresh2->GetOutput());
  81                         cast2->SetOutputScalarTypeToUnsignedChar();
  82                 connect2 = vtkImageSeedConnectivity::New();
  83                         connect2->SetInput(cast2->GetOutput());
  84                         connect2->SetInputConnectValue(255);
  85                         connect2->SetOutputConnectedValue(255);
  86                         connect2->SetOutputUnconnectedValue(0);
  87                 cast4 = vtkImageCast::New();
  88                         cast4->SetInput(connect2->GetOutput());
  89                         cast4->SetOutputScalarTypeToUnsignedShort();
  90         }
  91
  92         // --------------------------------------------------------------
  93   void SegmentationConnectivity::bbUserFinalizeProcessing()
  94   {
  95           if (thresh2!=NULL)
  96           {
  97                   thresh2->Delete();
  98                   thresh2=NULL;
  99           }
 100           if (cast2!=NULL)
 101           {
 102                   cast2->Delete();
 103                   cast2=NULL;
 104           }
 105           if (connect2!=NULL)
 106           {
 107                   connect2->Delete();
 108                   connect2=NULL;
 109           }
 110           if (cast4!=NULL)
 111           {
 112                   cast4->Delete();
 113                   cast4=NULL;
 114           }
 115
 116   }
 117
 118         // --------------------------------------------------------------
 119   void SegmentationConnectivity::DoProcess()
 120   {
 121     vtkImageData *imagedata = bbGetInputIn();
 122     imagedata->UpdateInformation();
 123     imagedata->SetUpdateExtent(imagedata->GetWholeExtent());
 124     imagedata->Update();
 125     thresh2->ThresholdBetween(3000, 3001);
 126     thresh2->SetInput(imagedata);
 127     thresh2->ThresholdBetween(bbGetInputThresholdMinMax()[0], bbGetInputThresholdMinMax()[1]);
 128     thresh2->Update();
 129     cast2->Update();
 130     connect2->RemoveAllSeeds ();
 131     connect2->AddSeed( bbGetInputPositionXYZ()[0] , bbGetInputPositionXYZ()[1] , bbGetInputPositionXYZ()[2] );
 132     connect2->Update();
 133     cast4->Update();
 134
 135     bbSetOutputOut(cast4->GetOutput() );
 136   }
 137
 138
 139 }// EO namespace bbvtk
 140
 141
 142 #endif //_USE_VTK_
 143
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