1 /*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: TestNIFTIReaderAnalyze.cxx
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14 =========================================================================*/
15 /*
16 Test compatibility of the vtkNIFTIImageReader with Analyze 7.5 files.
17 */
18
19 #include "vtkNew.h"
20 #include "vtkRegressionTestImage.h"
21 #include "vtkTestUtilities.h"
22
23 #include "vtkCamera.h"
24 #include "vtkImageData.h"
25 #include "vtkImageMathematics.h"
26 #include "vtkImageProperty.h"
27 #include "vtkImageSlice.h"
28 #include "vtkImageSliceMapper.h"
29 #include "vtkRenderWindow.h"
30 #include "vtkRenderWindowInteractor.h"
31 #include "vtkRenderer.h"
32
33 #include "vtkNIFTIImageHeader.h"
34 #include "vtkNIFTIImageReader.h"
35 #include "vtkNIFTIImageWriter.h"
36
37 #include <string>
38
39 static const char* dispfile = "Data/ANALYZE.HDR";
40
TestDisplay(vtkRenderWindow * renwin,const char * infile)41 static void TestDisplay(vtkRenderWindow* renwin, const char* infile)
42 {
43 vtkNew<vtkNIFTIImageReader> reader;
44 if (!reader->CanReadFile(infile))
45 {
46 cerr << "CanReadFile failed for " << infile << "\n";
47 exit(1);
48 }
49 reader->SetFileName(infile);
50 reader->Update();
51
52 int size[3];
53 double center[3], spacing[3];
54 reader->GetOutput()->GetDimensions(size);
55 reader->GetOutput()->GetCenter(center);
56 reader->GetOutput()->GetSpacing(spacing);
57 double center1[3] = { center[0], center[1], center[2] };
58 double center2[3] = { center[0], center[1], center[2] };
59 if (size[2] % 2 == 1)
60 {
61 center1[2] += 0.5 * spacing[2];
62 }
63 if (size[0] % 2 == 1)
64 {
65 center2[0] += 0.5 * spacing[0];
66 }
67 double vrange[2];
68 reader->GetOutput()->GetScalarRange(vrange);
69
70 vtkNew<vtkImageSliceMapper> map1;
71 map1->BorderOn();
72 map1->SliceAtFocalPointOn();
73 map1->SliceFacesCameraOn();
74 map1->SetInputConnection(reader->GetOutputPort());
75 vtkNew<vtkImageSliceMapper> map2;
76 map2->BorderOn();
77 map2->SliceAtFocalPointOn();
78 map2->SliceFacesCameraOn();
79 map2->SetInputConnection(reader->GetOutputPort());
80
81 vtkNew<vtkImageSlice> slice1;
82 slice1->SetMapper(map1);
83 slice1->GetProperty()->SetColorWindow(vrange[1] - vrange[0]);
84 slice1->GetProperty()->SetColorLevel(0.5 * (vrange[0] + vrange[1]));
85
86 vtkNew<vtkImageSlice> slice2;
87 slice2->SetMapper(map2);
88 slice2->GetProperty()->SetColorWindow(vrange[1] - vrange[0]);
89 slice2->GetProperty()->SetColorLevel(0.5 * (vrange[0] + vrange[1]));
90
91 double ratio = size[0] * 1.0 / (size[0] + size[2]);
92
93 vtkNew<vtkRenderer> ren1;
94 ren1->SetViewport(0, 0, ratio, 1.0);
95
96 vtkNew<vtkRenderer> ren2;
97 ren2->SetViewport(ratio, 0.0, 1.0, 1.0);
98 ren1->AddViewProp(slice1);
99 ren2->AddViewProp(slice2);
100
101 vtkCamera* cam1 = ren1->GetActiveCamera();
102 cam1->ParallelProjectionOn();
103 cam1->SetParallelScale(0.5 * spacing[1] * size[1]);
104 cam1->SetFocalPoint(center1[0], center1[1], center1[2]);
105 cam1->SetPosition(center1[0], center1[1], center1[2] - 100.0);
106
107 vtkCamera* cam2 = ren2->GetActiveCamera();
108 cam2->ParallelProjectionOn();
109 cam2->SetParallelScale(0.5 * spacing[1] * size[1]);
110 cam2->SetFocalPoint(center2[0], center2[1], center2[2]);
111 cam2->SetPosition(center2[0] + 100.0, center2[1], center2[2]);
112
113 renwin->SetSize(size[0] + size[2], size[1]);
114 renwin->AddRenderer(ren1);
115 renwin->AddRenderer(ren2);
116 };
117
TestNIFTIReaderAnalyze(int argc,char * argv[])118 int TestNIFTIReaderAnalyze(int argc, char* argv[])
119 {
120 // perform the display test
121 char* infile = vtkTestUtilities::ExpandDataFileName(argc, argv, dispfile);
122 if (!infile)
123 {
124 cerr << "Could not locate input file " << dispfile << "\n";
125 return 1;
126 }
127 std::string inpath = infile;
128 delete[] infile;
129
130 vtkNew<vtkRenderWindow> renwin;
131 vtkNew<vtkRenderWindowInteractor> iren;
132 iren->SetRenderWindow(renwin);
133
134 TestDisplay(renwin, inpath.c_str());
135
136 int retVal = vtkRegressionTestImage(renwin);
137 if (retVal == vtkRegressionTester::DO_INTERACTOR)
138 {
139 renwin->Render();
140 iren->Start();
141 retVal = vtkRegressionTester::PASSED;
142 }
143
144 return (retVal != vtkRegressionTester::PASSED);
145 }
146