packages/vtk/src/bbvtkSegmentationConnectivity.cxx

   1 /*=========================================================================
   2   Program:   bbtk
   3   Module:    $RCSfile: bbvtkSegmentationConnectivity.cxx,v $
   4   Language:  C++
   5   Date:      $Date: 2010/04/08 14:37:59 $
   6   Version:   $Revision: 1.6 $
   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 #ifdef _USE_VTK_
  37
  38 #include "bbvtkSegmentationConnectivity.h"
  39 #include "bbvtkPackage.h"
  40
  41 namespace bbvtk
  42 {
  43   BBTK_ADD_BLACK_BOX_TO_PACKAGE(vtk,SegmentationConnectivity);
  44   BBTK_BLACK_BOX_IMPLEMENTATION(SegmentationConnectivity,
  45                                 bbtk::AtomicBlackBox);
  46
  47 // --------------------------------------------------------------
  48
  49   void SegmentationConnectivity::bbUserSetDefaultValues()
  50   {
  51           thresh2       = NULL;
  52           cast2         = NULL;
  53           connect2      = NULL;
  54           cast4         = NULL;
  55
  56           bbSetInputIn(NULL);
  57           std::vector<int> position;
  58           position.push_back(0);
  59           position.push_back(0);
  60           position.push_back(0);
  61           bbSetInputPositionXYZ(position);
  62           std::vector<int> threshold;
  63           threshold.push_back(0);
  64           threshold.push_back(0);
  65           bbSetInputThresholdMinMax(threshold);
  66           bbSetOutputOut(NULL);
  67   }
  68
  69 // --------------------------------------------------------------
  70
  71         void SegmentationConnectivity::bbUserInitializeProcessing()
  72         {
  73                 thresh2 = vtkImageThreshold::New();
  74                         thresh2->SetInValue(255);
  75                         thresh2->SetOutputScalarTypeToUnsignedShort();
  76                         thresh2->SetOutValue(0);
  77                 cast2 = vtkImageCast::New();
  78                         cast2->SetInput(thresh2->GetOutput());
  79                         cast2->SetOutputScalarTypeToUnsignedChar();
  80                 connect2 = vtkImageSeedConnectivity::New();
  81                         connect2->SetInput(cast2->GetOutput());
  82                         connect2->SetInputConnectValue(255);
  83                         connect2->SetOutputConnectedValue(255);
  84                         connect2->SetOutputUnconnectedValue(0);
  85                 cast4 = vtkImageCast::New();
  86                         cast4->SetInput(connect2->GetOutput());
  87                         cast4->SetOutputScalarTypeToUnsignedShort();
  88         }
  89
  90 // --------------------------------------------------------------
  91
  92   void SegmentationConnectivity::bbUserFinalizeProcessing()
  93   {
  94           if (thresh2!=NULL)
  95           {
  96                   thresh2->Delete();
  97                   thresh2=NULL;
  98           }
  99           if (cast2!=NULL)
 100           {
 101                   cast2->Delete();
 102                   cast2=NULL;
 103           }
 104           if (connect2!=NULL)
 105           {
 106                   connect2->Delete();
 107                   connect2=NULL;
 108           }
 109           if (cast4!=NULL)
 110           {
 111                   cast4->Delete();
 112                   cast4=NULL;
 113           }
 114   }
 115
 116 // --------------------------------------------------------------
 117
 118   void SegmentationConnectivity::DoProcess()
 119   {
 120     vtkImageData *imagedata = bbGetInputIn();
 121     imagedata->UpdateInformation();
 122     imagedata->SetUpdateExtent(imagedata->GetWholeExtent());
 123     imagedata->Update();
 124     thresh2->ThresholdBetween(3000, 3001);
 125     thresh2->SetInput(imagedata);
 126     thresh2->ThresholdBetween(bbGetInputThresholdMinMax()[0], bbGetInputThresholdMinMax()[1]);
 127     thresh2->Update();
 128     cast2->Update();
 129     connect2->RemoveAllSeeds ();
 130     connect2->AddSeed( bbGetInputPositionXYZ()[0] , bbGetInputPositionXYZ()[1] , bbGetInputPositionXYZ()[2] );
 131     connect2->Update();
 132     cast4->Update();
 133
 134     bbSetOutputOut(cast4->GetOutput() );
 135   }
 136
 137 }// EO namespace bbvtk
 138
 139 #endif //_USE_VTK_
 140
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