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QGoMeshWaterShedAlgo.cxx
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1 /*=========================================================================
2  Authors: The GoFigure Dev. Team.
3  at Megason Lab, Systems biology, Harvard Medical school, 2009-11
4 
5  Copyright (c) 2009-11, President and Fellows of Harvard College.
6  All rights reserved.
7 
8  Redistribution and use in source and binary forms, with or without
9  modification, are permitted provided that the following conditions are met:
10 
11  Redistributions of source code must retain the above copyright notice,
12  this list of conditions and the following disclaimer.
13  Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
15  and/or other materials provided with the distribution.
16  Neither the name of the President and Fellows of Harvard College
17  nor the names of its contributors may be used to endorse or promote
18  products derived from this software without specific prior written
19  permission.
20 
21  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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30  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 
33 =========================================================================*/
34 #include "QGoMeshWaterShedAlgo.h"
35 #include "QGoFilterWatershed.h"
36 
37 
39 QGoMeshWaterShedAlgo(std::vector< vtkPoints* >* iSeeds,
40  int iMaxThreshold,
41  QWidget* iParent)
42  :QGoWaterShedAlgo(iSeeds, iMaxThreshold, iParent)
43 {
44 }
45 //-------------------------------------------------------------------------
46 
47 //-------------------------------------------------------------------------
50 {
51  this->DeleteParameters();
52 }
53 //-------------------------------------------------------------------------
54 
55 //-------------------------------------------------------------------------
56 std::vector<vtkPolyData*>
58 ApplyAlgo(GoImageProcessor* iImages, std::string iChannel, bool iIsInvertedOn)
59 {
60  std::vector<vtkPolyData*> oNewMeshes = std::vector<vtkPolyData*>();
61 
62  if ( this->m_Radius->GetValue() <= 0 )
63  {
64  std::cerr << "Radius should be > 0 " << std::endl;
65  return oNewMeshes;
66  }
67 
68  double Center[3];
69  std::vector<double> CenterVect(3);
70 
71  // LOOP FOR EACH SEED
72  for( size_t id = 0; id < this->m_Seeds->size(); id++ )
73  {
74  for ( int i = 0; i < (*this->m_Seeds)[id]->GetNumberOfPoints(); i++ )
75  {
76  (*this->m_Seeds)[id]->GetPoint(i, Center);
77 
78  CenterVect[0] = Center[0];
79  CenterVect[1] = Center[1];
80  CenterVect[2] = Center[2];
81 
82  vtkPolyData* temp_output =
83  this->ApplyWaterShedFilter< unsigned char >(
84  CenterVect, //cente
85  iImages->getImageITK< unsigned char, 3>(iChannel, iIsInvertedOn)); //input raw image
86 
87  if(temp_output->GetNumberOfCells() > 0)
88  {
89  oNewMeshes.push_back( temp_output );
90  }
91  /* else
92  {
93  std::cout << "No polydata could be generated - check parameters"
94  << std::endl;
95  temp_output->Delete();
96  }*/
97  }
98  }
99 
100  return oNewMeshes;
101 }
102 //-------------------------------------------------------------------------
std::vector< vtkPoints * > * m_Seeds
QGoMeshWaterShedAlgo(std::vector< vtkPoints * > *iSeeds, int iMaxThreshold, QWidget *iParent=0)
itk::Image< PixelType, VImageDimension >::Pointer getImageITK(std::string iIndex, bool iIsInverted=false)
get an ITK image (vs vtkImageData) given its index
std::vector< vtkPolyData * > ApplyAlgo(GoImageProcessor *iImages, std::string iChannel, bool iIsInvertedOn=false)
return the vtkpolydata created by the algorithm
unsigned int GetNumberOfPoints() const
QGoAlgoParameter< double > * m_Radius
Interface between image reader and vtkImageData.
void DeleteParameters()
delete the different parameters
class to be the interface between the watershed algo for meshes and GoFigure