| Geant4 Cross Reference |
1 //
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24 // ********************************************************************
25
26 #include "G4VtkPolydataInstanceTensorPipeline.hh"
27
28 #include "G4VtkViewer.hh"
29 #include "G4VtkVisContext.hh"
30
31 #include <vtkActor.h>
32 #include <vtkDataArray.h>
33 #include <vtkDoubleArray.h>
34 #include <vtkPointData.h>
35 #include <vtkPolyData.h>
36 #include <vtkPolyDataMapper.h>
37 #include <vtkProperty.h>
38 #include <vtkTensorGlyphColor.h>
39
40 std::size_t G4VtkPolydataInstanceTensorPipeline::MakeHash(const G4Polyhedron& polyhedron,
41 const G4VtkVisContext& vc)
42 {
43 // Get view parameters that the user can force through the vis attributes, thereby over-riding the
44 // current view parameter.
45 G4ViewParameters::DrawingStyle drawing_style = vc.fDrawingStyle;
46
47 std::size_t vhash = 0;
48 std::hash_combine(vhash, static_cast<int>(drawing_style));
49
50 std::size_t phash = std::hash<G4Polyhedron>{}(polyhedron);
51
52 std::size_t hash = 0;
53 std::hash_combine(hash, phash);
54 std::hash_combine(hash, vhash);
55
56 return hash;
57 }
58
59 G4VtkPolydataInstanceTensorPipeline::G4VtkPolydataInstanceTensorPipeline(G4String nameIn,
60 const G4VtkVisContext& vcIn)
61 : G4VtkPolydataInstancePipeline(nameIn, vcIn)
62 {
63 // Set pipeline type
64 SetTypeName(G4String("G4VtkPolydataInstanceTensorPipeline"));
65
66 // make polydata from instance data
67 instancePolydata = vtkSmartPointer<vtkPolyData>::New();
68 instancePolydata->SetPoints(instancePosition);
69 instancePolydata->GetPointData()->SetTensors(instanceTransform);
70 instancePolydata->GetPointData()->SetVectors(instanceColour);
71 instancePolydata->GetPointData()->SetScalars(instanceColour);
72
73 // tensor glyph
74 instanceTensorGlyph = vtkSmartPointer<vtkTensorGlyphColor>::New();
75 instanceTensorGlyph->SetInputData(instancePolydata);
76 instanceTensorGlyph->SetSourceConnection(GetFinalFilter()->GetOutputPort());
77 instanceTensorGlyph->ColorGlyphsOn();
78 instanceTensorGlyph->ScalingOff();
79 instanceTensorGlyph->ThreeGlyphsOff();
80 instanceTensorGlyph->ExtractEigenvaluesOff();
81 instanceTensorGlyph->SetColorModeToScalars();
82 AddFilter(instanceTensorGlyph);
83
84 // set polydata mapper
85 mapper->SetInputConnection(GetFinalFilter()->GetOutputPort());
86
87 // set actor
88 actor->SetMapper(mapper);
89 actor->SetVisibility(1);
90
91 // shading parameters
92 actor->GetProperty()->SetAmbient(0.2);
93 actor->GetProperty()->SetDiffuse(0.7);
94 actor->GetProperty()->SetSpecular(0.1);
95 actor->GetProperty()->SetSpecularPower(1);
96
97 // add to renderer
98 vc.fViewer->renderer->AddActor(GetActor());
99 }
100
101 void G4VtkPolydataInstanceTensorPipeline::Print()
102 {
103 G4cout << "G4VtkPolydataInstanceTensorPipeline " << GetName() << G4endl;
104 G4VtkPolydataPipeline::Print();
105 }