RTK  2.0.1
Reconstruction Toolkit
rtkCudaRayCastBackProjectionImageFilter.h
Go to the documentation of this file.
1 /*=========================================================================
2  *
3  * Copyright RTK Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 
19 #ifndef rtkCudaRayCastBackProjectionImageFilter_h
20 #define rtkCudaRayCastBackProjectionImageFilter_h
21 
22 #include "rtkConfiguration.h"
23 //Conditional definition of the class to pass ITKHeaderTest
24 #ifdef RTK_USE_CUDA
25 
27 #include "RTKExport.h"
28 
29 #include <itkCudaImage.h>
30 #include <itkCudaInPlaceImageFilter.h>
32 
33 namespace rtk
34 {
35 
49 class RTK_EXPORT CudaRayCastBackProjectionImageFilter :
50  public itk::CudaInPlaceImageFilter< itk::CudaImage<float,3>, itk::CudaImage<float,3>,
51  BackProjectionImageFilter< itk::CudaImage<float,3>, itk::CudaImage<float,3> > >
52 {
53 public:
54  ITK_DISALLOW_COPY_AND_ASSIGN(CudaRayCastBackProjectionImageFilter);
55 
57  using ImageType = itk::CudaImage<float,3>;
58  using BackProjectionImageFilterType = BackProjectionImageFilter< ImageType, ImageType>;
59  using Self = CudaRayCastBackProjectionImageFilter;
60  using Superclass = itk::CudaInPlaceImageFilter<ImageType, ImageType,
61  BackProjectionImageFilterType>;
62  using Pointer = itk::SmartPointer<Self>;
63  using ConstPointer = itk::SmartPointer<const Self>;
64 
65  using OutputImageRegionType = ImageType::RegionType;
66  using ProjectionImageType = itk::CudaImage<float, 2>;
67  using ProjectionImagePointer = ProjectionImageType::Pointer;
68  using GeometryType = rtk::ThreeDCircularProjectionGeometry;
69  using GeometryPointer = GeometryType::Pointer;
70 
72  itkNewMacro(Self);
73 
75  itkTypeMacro(CudaRayCastBackProjectionImageFilter, Superclass);
76 
78  itkGetConstMacro(StepSize, double);
79  itkSetMacro(StepSize, double);
81 
83  itkGetMacro(Normalize, bool);
84  itkSetMacro(Normalize, bool);
86 
87 protected:
88  CudaRayCastBackProjectionImageFilter();
89  virtual ~CudaRayCastBackProjectionImageFilter() {};
90 
91  virtual void GPUGenerateData();
92 
93 private:
94  double m_StepSize;
95  bool m_Normalize;
96 };
97 
98 } // end namespace rtk
99 
100 #endif //end conditional definition of the class
101 
102 #endif
Projection geometry for a source and a 2-D flat panel.
#define itkSetMacro(name, type)