| Geant4 Cross Reference |
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24 // ********************************************************************
25
26 #include "G4VtkPolydataInstanceAppendPipeline.hh"
27
28 #include "G4VtkViewer.hh"
29 #include "G4VtkVisContext.hh"
30
31 #include <vtkActor.h>
32 #include <vtkAppendPolyData.h>
33 #include <vtkDataArray.h>
34 #include <vtkDoubleArray.h>
35 #include <vtkGeneralTransform.h>
36 #include <vtkPointData.h>
37 #include <vtkPolyData.h>
38 #include <vtkPolyDataMapper.h>
39 #include <vtkProperty.h>
40 #include <vtkTransformPolyDataFilter.h>
41
42 std::size_t G4VtkPolydataInstanceAppendPipeline::MakeHash(const G4Polyhedron& polyhedron,
43 const G4VtkVisContext& vc)
44 {
45 // Get view parameters that the user can force through the vis attributes, thereby over-riding the
46 // current view parameter.
47 const G4VisAttributes* pVA =
48 vc.fViewer->GetApplicableVisAttributes(polyhedron.GetVisAttributes());
49 G4Color colour = pVA->GetColour();
50
51 // Hash the vis attributes
52 std::size_t hash = std::hash<G4double>{}(colour.GetAlpha());
53 std::size_t rhash = std::hash<G4double>{}(colour.GetRed());
54 std::size_t ghash = std::hash<G4double>{}(colour.GetGreen());
55 std::size_t bhash = std::hash<G4double>{}(colour.GetBlue());
56 std::size_t phash = std::hash<G4Polyhedron>{}(polyhedron);
57 std::size_t shash = std::hash<G4double>{}(vc.fDrawingStyle);
58
59 std::hash_combine(hash, phash);
60 std::hash_combine(hash, rhash);
61 std::hash_combine(hash, bhash);
62 std::hash_combine(hash, ghash);
63 std::hash_combine(hash, shash);
64
65 return hash;
66 }
67
68 G4VtkPolydataInstanceAppendPipeline::G4VtkPolydataInstanceAppendPipeline(G4String nameIn,
69 const G4VtkVisContext& vcIn)
70 : G4VtkPolydataInstancePipeline(nameIn, vcIn)
71 {
72 // Set pipeline type
73 SetTypeName(G4String("G4VtkPolydataInstanceAppendPipeline"));
74
75 // append filter
76 appendFilter = vtkSmartPointer<vtkAppendPolyData>::New();
77 AddFilter(appendFilter);
78
79 // set polydata mapper
80 mapper->SetInputConnection(GetFinalFilter()->GetOutputPort());
81
82 // set actor
83 actor->SetMapper(mapper);
84 actor->SetVisibility(1);
85
86 // colour parameters
87 actor->GetProperty()->SetOpacity(vc.alpha);
88 actor->GetProperty()->SetColor(vc.red, vc.green, vc.blue);
89
90 // shading parameters
91 actor->GetProperty()->SetAmbient(0.2);
92 actor->GetProperty()->SetDiffuse(0.7);
93 actor->GetProperty()->SetSpecular(0.1);
94 actor->GetProperty()->SetSpecularPower(1);
95
96 // add to renderer
97 vc.fViewer->renderer->AddActor(GetActor());
98 }
99
100 void G4VtkPolydataInstanceAppendPipeline::Print()
101 {
102 G4cout << "G4VtkPolydataInstanceBakePipeline " << GetName() << G4endl;
103 G4VtkPolydataPipeline::Print();
104 }
105
106 void G4VtkPolydataInstanceAppendPipeline::addInstance(G4double dx, G4double dy, G4double dz,
107 G4double r00, G4double r01, G4double r02,
108 G4double r10, G4double r11, G4double r12,
109 G4double r20, G4double r21, G4double r22,
110 G4double r, G4double g, G4double b,
111 G4double a, const G4String& nameIn)
112 {
113 // Add to base class
114 G4VtkPolydataInstancePipeline::addInstance(dx, dy, dz, r00, r01, r02, r10, r11, r12, r20, r21,
115 r22, r, g, b, a, nameIn);
116
117 // create transform
118 auto transform = vtkSmartPointer<vtkGeneralTransform>::New();
119 double transformArray[16] = {r00, r01, r02, dx, r10, r11, r12, dy,
120 r20, r21, r22, dz, 0., 0., 0., 1.};
121 transform->Concatenate(transformArray);
122 transform->Update();
123
124 // Create transform filter and add to local filter map
125 vtkSmartPointer<vtkTransformPolyDataFilter> tf =
126 vtkSmartPointer<vtkTransformPolyDataFilter>::New();
127 tf->SetTransform(transform);
128 tf->SetInputConnection(GetFilter(GetNumberOfFilters() - 2)->GetOutputPort());
129 tf->Update();
130 transformFilterMap[name] = tf;
131
132 // Add transform filter to append filter
133 GetFinalFilter()->AddInputConnection(tf->GetOutputPort());
134 }
135
136 void G4VtkPolydataInstanceAppendPipeline::removeInstance(const G4String& nameIn)
137 {
138 // Remove from base class
139 G4VtkPolydataInstancePipeline::removeInstance(nameIn);
140
141 // Remove transform filter from append filter
142 appendFilter->RemoveInputConnection(0, transformFilterMap[name]->GetOutputPort());
143
144 // Remove from local filter map
145 transformFilterMap.erase(nameIn);
146 }
147