1 /*=========================================================================
2 *
3 * Copyright Insight Software 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 // Disable warning for long symbol names in this file only
19
20 /*
21 * This is a test file for the itkImageMaskSpatialObject class.
22 * The suported pixel types does not include itkRGBPixel, itkRGBAPixel, etc...
23 * So far it only allows to manage images of simple types like unsigned short,
24 * unsigned int, or itk::Vector<...>.
25 */
26
27
28 #include "itkImageRegionIterator.h"
29
30 #include "itkImageMaskSpatialObject.h"
31
32
itkImageMaskSpatialObjectTest(int,char * [])33 int itkImageMaskSpatialObjectTest(int, char* [])
34 {
35 constexpr unsigned int NDimensions = 3;
36
37 using ImageMaskSpatialObject = itk::ImageMaskSpatialObject<NDimensions>;
38 using PixelType = ImageMaskSpatialObject::PixelType;
39 using ImageType = ImageMaskSpatialObject::ImageType;
40 using Iterator = itk::ImageRegionIterator<ImageType>;
41
42 ImageType::Pointer image = ImageType::New();
43 ImageType::SizeType size = {{ 50, 50, 50 }};
44 ImageType::IndexType index = {{ 0, 0, 0 }};
45 ImageType::RegionType region;
46
47 region.SetSize(size);
48 region.SetIndex(index);
49
50 image->SetRegions( region );
51 image->Allocate(true); // initialize buffer to zero
52
53 ImageType::RegionType insideRegion;
54 ImageType::SizeType insideSize = {{ 30, 30, 30 }};
55 ImageType::IndexType insideIndex = {{ 10, 10, 10 }};
56 insideRegion.SetSize( insideSize );
57 insideRegion.SetIndex( insideIndex );
58
59
60 Iterator it( image, insideRegion );
61 it.GoToBegin();
62
63 while( !it.IsAtEnd() )
64 {
65 it.Set( itk::NumericTraits< PixelType >::max() );
66 ++it;
67 }
68
69 ImageMaskSpatialObject::Pointer maskSO = ImageMaskSpatialObject::New();
70 maskSO->Print(std::cout);
71
72 maskSO->SetImage(image);
73 maskSO->Update();
74
75 Iterator itr( image, region );
76 itr.GoToBegin();
77
78 while( !itr.IsAtEnd() )
79 {
80 const ImageType::IndexType constIndex = itr.GetIndex();
81 const bool reference = insideRegion.IsInside( constIndex );
82 ImageType::PointType point;
83 image->TransformIndexToPhysicalPoint( constIndex, point );
84 const bool test = maskSO->IsInsideInWorldSpace( point );
85 if( test != reference )
86 {
87 std::cerr << "Error in the evaluation of IsInside() " << std::endl;
88 std::cerr << "Index failed = " << constIndex << std::endl;
89 return EXIT_FAILURE;
90 }
91 ++itr;
92 }
93
94 maskSO->Print(std::cout);
95
96 return EXIT_SUCCESS;
97 }
98