1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkCropImageFilter_hxx
#define itkCropImageFilter_hxx
namespace itk
{
template <typename TInputImage, typename TOutputImage>
void
CropImageFilter<TInputImage, TOutputImage>::GenerateOutputInformation()
{
const TInputImage * inputPtr = this->GetInput();
if (!inputPtr)
{
return;
}
// Compute the new region size
SizeType sz;
OutputImageIndexType idx;
InputImageSizeType input_sz = inputPtr->GetLargestPossibleRegion().GetSize();
InputImageIndexType input_idx = inputPtr->GetLargestPossibleRegion().GetIndex();
for (unsigned int i = 0; i < InputImageDimension; ++i)
{
idx[i] = input_idx[i] + m_LowerBoundaryCropSize[i];
assert(input_sz[i] >= (m_UpperBoundaryCropSize[i] + m_LowerBoundaryCropSize[i]));
sz[i] = input_sz[i] - (m_UpperBoundaryCropSize[i] + m_LowerBoundaryCropSize[i]);
}
const OutputImageRegionType croppedRegion(idx, sz);
// Set extraction region in the superclass
this->SetExtractionRegion(croppedRegion);
Superclass::GenerateOutputInformation();
}
template <typename TInputImage, typename TOutputImage>
void
CropImageFilter<TInputImage, TOutputImage>::VerifyInputInformation() ITKv5_CONST
{
Superclass::VerifyInputInformation();
const TInputImage * inputPtr = this->GetInput();
InputImageSizeType input_sz = inputPtr->GetLargestPossibleRegion().GetSize();
for (unsigned int i = 0; i < InputImageDimension; ++i)
{
if (input_sz[i] < (m_UpperBoundaryCropSize[i] + m_LowerBoundaryCropSize[i]))
{
itkExceptionMacro("The input image's size " << input_sz << " is less than the total of the crop size!");
}
}
}
template <typename TInputImage, typename TOutputImage>
void
CropImageFilter<TInputImage, TOutputImage>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "UpperBoundaryCropSize: " << m_UpperBoundaryCropSize << std::endl;
os << indent << "LowerBoundaryCropSize: " << m_LowerBoundaryCropSize << std::endl;
}
} // end namespace itk
#endif
|
