ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkDecimationQuadEdgeMeshFilter_h 00019 #define __itkDecimationQuadEdgeMeshFilter_h 00020 00021 #include "itkIntTypes.h" 00022 #include "itkQuadEdgeMeshToQuadEdgeMeshFilter.h" 00023 00024 namespace itk 00025 { 00031 template< class TInput, class TOutput, class TCriterion > 00032 class ITK_EXPORT DecimationQuadEdgeMeshFilter: 00033 public QuadEdgeMeshToQuadEdgeMeshFilter< TInput, TOutput > 00034 { 00035 public: 00036 typedef DecimationQuadEdgeMeshFilter Self; 00037 typedef SmartPointer< Self > Pointer; 00038 typedef SmartPointer< const Self > ConstPointer; 00039 typedef QuadEdgeMeshToQuadEdgeMeshFilter< TInput, TOutput > Superclass; 00040 00042 itkTypeMacro(DecimationQuadEdgeMeshFilter, QuadEdgeMeshToQuadEdgeMeshFilter); 00043 00044 typedef TInput InputMeshType; 00045 typedef typename InputMeshType::Pointer InputMeshPointer; 00046 00047 typedef TOutput OutputMeshType; 00048 typedef typename OutputMeshType::Pointer OutputMeshPointer; 00049 00050 typedef TCriterion CriterionType; 00051 typedef typename CriterionType::Pointer CriterionPointer; 00052 typedef typename CriterionType::MeasureType MeasureType; 00053 typedef typename CriterionType::PriorityType PriorityType; 00054 typedef typename CriterionType::PriorityQueueWrapperType PriorityQueueItemType; 00055 00056 itkSetObjectMacro(Criterion, CriterionType); 00057 protected: 00058 DecimationQuadEdgeMeshFilter() 00059 { 00060 this->m_Iteration = 0; 00061 } 00062 00063 ~DecimationQuadEdgeMeshFilter() {} 00064 00065 CriterionPointer m_Criterion; 00066 SizeValueType m_Iteration; 00067 00068 void GenerateData() 00069 { 00070 this->CopyInputMeshToOutputMesh(); 00071 00072 Initialize(); 00073 FillPriorityQueue(); 00074 m_Iteration = 0; 00075 00076 do 00077 { 00078 this->Extract(); 00079 00080 if ( ProcessWithTopologicalGuarantee() ) 00081 { 00082 return; 00083 } 00084 00085 ++m_Iteration; 00086 } 00087 while ( !IsCriterionSatisfied() ); 00088 00089 this->GetOutput()->SqueezePointsIds(); 00090 } 00091 00092 virtual void Initialize() {} 00093 virtual void FillPriorityQueue() = 0; 00094 00095 virtual void Extract() = 0; 00096 00097 virtual bool ProcessWithoutAnyTopologicalGuarantee() = 0; 00098 00099 virtual bool ProcessWithTopologicalGuarantee() = 0; 00100 00101 virtual bool IsCriterionSatisfied() = 0; 00102 00103 void PrintSelf(std::ostream & os, Indent indent) const 00104 { 00105 this->Superclass::PrintSelf(os, indent); 00106 os << indent << "Criterion: " << m_Criterion << std::endl; 00107 } 00108 00109 private: 00110 DecimationQuadEdgeMeshFilter(const Self &); 00111 void operator=(const Self &); 00112 }; 00113 } 00114 00115 #endif 00116