| Geant4 Cross Reference |
1 //
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24 // ********************************************************************
25
26 #include "G4VtkClipOpenPipeline.hh"
27
28 #include "G4VtkViewer.hh"
29 #include "G4VtkVisContext.hh"
30
31 #include <vtkActor.h>
32 #include <vtkClipPolyData.h>
33 #include <vtkPlane.h>
34 #include <vtkPolyDataAlgorithm.h>
35 #include <vtkPolyDataMapper.h>
36 #include <vtkPolyDataNormals.h>
37 #include <vtkProperty.h>
38 #include <vtkSmartPointer.h>
39 #include <vtkClipClosedSurface.h>
40
41 G4VtkClipOpenPipeline::G4VtkClipOpenPipeline(G4String nameIn, const G4VtkVisContext& vcIn,
42 vtkSmartPointer<vtkPolyDataAlgorithm> filter,
43 G4bool useVcColour)
44 : G4VVtkPipeline(nameIn, G4String("G4VtkClipOpenPipeline"), vcIn, true, vcIn.fViewer->renderer)
45 {
46 // create implicit function for clipping
47 plane = vtkSmartPointer<vtkPlane>::New();
48 plane->SetOrigin(0, 0, 0);
49 plane->SetNormal(-1, 0, 0);
50
51 // clipper
52 clipper = vtkSmartPointer<vtkClipPolyData>::New();
53 clipper->SetClipFunction(plane);
54 clipper->SetInputConnection(filter->GetOutputPort());
55 // clipper->SetScalarModeToColors();
56 // clipper->PassPointDataOn();
57
58 // calculate normals with a feature angle of 45 degrees
59 auto filterNormals = vtkSmartPointer<vtkPolyDataNormals>::New();
60 filterNormals->SetFeatureAngle(45);
61 filterNormals->SetInputConnection(clipper->GetOutputPort());
62
63 // mapper
64 mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
65 mapper->SetInputConnection(filterNormals->GetOutputPort());
66 mapper->SetColorModeToDirectScalars();
67 mapper->ScalarVisibilityOn();
68
69 // add to actor
70 actor = vtkSmartPointer<vtkActor>::New();
71 actor->SetMapper(mapper);
72 actor->SetVisibility(1);
73
74 // colour parameters
75 if (useVcColour) {
76 actor->GetProperty()->SetOpacity(vc.alpha);
77 actor->GetProperty()->SetColor(vc.red, vc.green, vc.blue);
78 }
79
80 // set actor properties from vis context
81 if (vc.fDrawingStyle == G4ViewParameters::hsr) {
82 actor->GetProperty()->SetRepresentationToSurface();
83 }
84 else if (vc.fDrawingStyle == G4ViewParameters::hlr) {
85 actor->GetProperty()->SetRepresentationToSurface();
86 }
87 else if (vc.fDrawingStyle == G4ViewParameters::wireframe) {
88 actor->GetProperty()->SetRepresentationToWireframe();
89 }
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(actor);
99 }
100
101 void G4VtkClipOpenPipeline::SetPlane(const G4Plane3D& planeIn)
102 {
103 auto normal = planeIn.normal();
104 auto point = planeIn.point();
105 this->SetPlane(point.x(), point.y(), point.z(), normal.x(), normal.y(), normal.z());
106 }
107
108 void G4VtkClipOpenPipeline::SetPlane(G4double x, G4double y, G4double z, G4double nx, G4double ny,
109 G4double nz)
110 {
111 plane->SetOrigin(x, y, z);
112 plane->SetNormal(nx, ny, nz);
113 Modified();
114 }
115
116 void G4VtkClipOpenPipeline::TransformPlane(G4double dx, G4double dy, G4double dz, G4double r00,
117 G4double r01, G4double r02, G4double r10, G4double r11,
118 G4double r12, G4double r20, G4double r21, G4double r22)
119 {
120 auto o = plane->GetOrigin();
121 auto n = plane->GetNormal();
122
123 SetPlane(r00 * o[0] + r01 * o[1] + r02 * o[2] + dx, r10 * o[0] + r11 * o[1] + r12 * o[2] + dy,
124 r20 * o[0] + r21 * o[1] + r22 * o[2] + dz, r00 * n[0] + r01 * n[1] + r02 * n[2],
125 r10 * n[0] + r11 * n[1] + r12 * n[2], r20 * n[0] + r21 * n[1] + r22 * n[2]);
126 }
127
128 void G4VtkClipOpenPipeline::Enable()
129 {
130 actor->SetVisibility(1);
131 }
132 void G4VtkClipOpenPipeline::Disable()
133 {
134 actor->SetVisibility(0);
135 }