| Geant4 Cross Reference |
1 //
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24 // ********************************************************************
25
26 #include "G4VtkImagePipeline.hh"
27
28 #include "G4String.hh"
29 #include "G4ViewParameters.hh"
30 #include "G4VisAttributes.hh"
31 #include "G4VtkViewer.hh"
32 #include "G4VtkVisContext.hh"
33
34 #include <vtkImageActor.h>
35 #include <vtkImageAlgorithm.h>
36 #include <vtkImageMapper3D.h>
37 #include <vtkImageProperty.h>
38 #include <vtkImageReader2.h>
39 #include <vtkImageReader2Factory.h>
40 #include <vtkMatrix4x4.h>
41 #include <vtkSmartPointer.h>
42 #include <vtkImageFlip.h>
43
44 G4VtkImagePipeline::G4VtkImagePipeline(const G4String& nameIn, const G4VtkVisContext& vcIn)
45 : G4VVtkPipeline(nameIn, "G4VtkImagePipeline", vcIn, false, vcIn.fViewer->renderer)
46 {
47 actor = vtkSmartPointer<vtkImageActor>::New();
48
49 actor->GetProperty()->SetOpacity(vc.alpha);
50
51 auto transform = vtkSmartPointer<vtkMatrix4x4>::New();
52 double transformArray[16] = {vc.fTransform.xx(),
53 vc.fTransform.xy(),
54 vc.fTransform.xz(),
55 vc.fTransform.dx(),
56 vc.fTransform.yx(),
57 vc.fTransform.yy(),
58 vc.fTransform.yz(),
59 vc.fTransform.dy(),
60 vc.fTransform.zx(),
61 vc.fTransform.zy(),
62 vc.fTransform.zz(),
63 vc.fTransform.dz(),
64 0.,
65 0.,
66 0.,
67 1.};
68 transform->DeepCopy(transformArray);
69 actor->SetUserMatrix(transform);
70 actor->GetProperty()->SetOpacity(vc.alpha);
71
72 vc.fViewer->renderer->AddActor(GetActor());
73 }
74
75 void G4VtkImagePipeline::SetImage(const G4String& fileName)
76 {
77 vtkNew<vtkImageReader2Factory> readerFactory;
78 vtkSmartPointer<vtkImageReader2> imageReader;
79 imageReader.TakeReference(readerFactory->CreateImageReader2(fileName.c_str()));
80 imageReader->SetFileName(fileName.c_str());
81 imageReader->Update();
82
83 vtkNew<vtkImageFlip> flip;
84 flip->SetInputConnection(imageReader->GetOutputPort());
85 flip->SetFilteredAxis(1);
86
87 actor->GetMapper()->SetInputConnection(flip->GetOutputPort());
88 AddFilter(imageReader);
89 }
90
91 void G4VtkImagePipeline::SetTransformation(const G4Transform3D& transformation)
92 {
93 vtkSmartPointer<vtkMatrix4x4> t = vtkSmartPointer<vtkMatrix4x4>::New();
94 t->SetElement(0, 0, transformation.xx());
95 t->SetElement(0, 1, transformation.xy());
96 t->SetElement(0, 2, transformation.xz());
97 t->SetElement(0, 3, transformation.dx());
98
99 t->SetElement(1, 0, transformation.yx());
100 t->SetElement(1, 1, transformation.yy());
101 t->SetElement(1, 2, transformation.yz());
102 t->SetElement(1, 3, transformation.dy());
103
104 t->SetElement(2, 0, transformation.zx());
105 t->SetElement(2, 1, transformation.zy());
106 t->SetElement(2, 2, transformation.zz());
107 t->SetElement(2, 3, transformation.dz());
108
109 t->SetElement(3, 0, 0);
110 t->SetElement(3, 1, 0);
111 t->SetElement(3, 2, 0);
112 t->SetElement(3, 3, 1);
113 actor->SetUserMatrix(t);
114 }
115
116 void G4VtkImagePipeline::Print()
117 {
118 for (auto c : childPipelines)
119 c->Print();
120 }
121
122 void G4VtkImagePipeline::Modified()
123 {
124 actor->Update();
125
126 for (auto c : childPipelines)
127 c->Modified();
128 }
129
130 void G4VtkImagePipeline::Clear()
131 {
132 if (actor != nullptr) renderer->RemoveActor(actor);
133
134 for (auto c : childPipelines)
135 c->Clear();
136 }
137
138 void G4VtkImagePipeline::Disable()
139 {
140 GetActor()->SetVisibility(0);
141 }
142
143 void G4VtkImagePipeline::Enable()
144 {
145 GetActor()->SetVisibility(1);
146 }