| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25
26 #include "G4VtkClipClosedSurfacePipeline.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 <vtkPlaneCollection.h>
35 #include <vtkPolyDataAlgorithm.h>
36 #include <vtkPolyDataMapper.h>
37 #include <vtkPolyDataNormals.h>
38 #include <vtkProperty.h>
39 #include <vtkSmartPointer.h>
40 #include <vtkClipClosedSurface.h>
41
42 G4VtkClipClosedSurfacePipeline::G4VtkClipClose
43 G4String nameIn, const G4VtkVisContext& vcIn
44 G4bool useVcColour)
45 : G4VVtkPipeline(nameIn, G4String("G4VtkClip
46 vcIn.fViewer->renderer)
47 {
48 // create implicit function for clipping
49 plane = vtkSmartPointer<vtkPlane>::New();
50 plane->SetOrigin(0, 0, 0);
51 plane->SetNormal(0, 1, 0);
52
53 vtkNew<vtkPlaneCollection> planes;
54 planes->AddItem(plane);
55
56 // clipper
57 clipper = vtkSmartPointer<vtkClipClosedSurfa
58 clipper->SetClippingPlanes(planes);
59 clipper->SetInputConnection(filter->GetOutpu
60 // clipper->SetScalarModeToColors();
61 clipper->PassPointDataOn();
62
63 // calculate normals with a feature angle of
64 auto filterNormals = vtkSmartPointer<vtkPoly
65 filterNormals->SetFeatureAngle(45);
66 filterNormals->SetInputConnection(clipper->G
67
68 // mapper
69 mapper = vtkSmartPointer<vtkPolyDataMapper>:
70 mapper->SetInputConnection(filterNormals->Ge
71 mapper->SetColorModeToDirectScalars();
72 mapper->ScalarVisibilityOn();
73 mapper->SetResolveCoincidentTopologyToPolygo
74 mapper->SetRelativeCoincidentTopologyPolygon
75
76 // add to actor
77 actor = vtkSmartPointer<vtkActor>::New();
78 actor->SetMapper(mapper);
79 actor->SetVisibility(1);
80
81 // colour parameters
82 if (useVcColour) {
83 actor->GetProperty()->SetOpacity(vc.alpha)
84 actor->GetProperty()->SetColor(vc.red, vc.
85 }
86
87 // set actor properties from vis context
88 if (vc.fDrawingStyle == G4ViewParameters::hs
89 actor->GetProperty()->SetRepresentationToS
90 }
91 else if (vc.fDrawingStyle == G4ViewParameter
92 actor->GetProperty()->SetRepresentationToS
93 }
94 else if (vc.fDrawingStyle == G4ViewParameter
95 actor->GetProperty()->SetRepresentationToW
96 }
97
98 // shading parameters
99 actor->GetProperty()->SetAmbient(0.2);
100 actor->GetProperty()->SetDiffuse(0.7);
101 actor->GetProperty()->SetSpecular(0.1);
102 actor->GetProperty()->SetSpecularPower(1);
103
104 // add to renderer
105 vc.fViewer->renderer->AddActor(actor);
106 }
107
108 void G4VtkClipClosedSurfacePipeline::SetPlane(
109 {
110 auto normal = planeIn.normal();
111 auto point = planeIn.point();
112 this->SetPlane(point.x(), point.y(), point.z
113 }
114
115 void G4VtkClipClosedSurfacePipeline::SetPlane(
116
117 {
118 plane->SetOrigin(x, y, z);
119 plane->SetNormal(nx, ny, nz);
120 this->Modified();
121 }
122
123 void G4VtkClipClosedSurfacePipeline::Transform
124
125
126
127 {
128 auto o = plane->GetOrigin();
129 auto n = plane->GetNormal();
130
131 SetPlane(r00 * o[0] + r01 * o[1] + r02 * o[2
132 r20 * o[0] + r21 * o[1] + r22 * o[2
133 r10 * n[0] + r11 * n[1] + r12 * n[2
134 }
135
136 void G4VtkClipClosedSurfacePipeline::Enable()
137 {
138 actor->SetVisibility(1);
139 }
140 void G4VtkClipClosedSurfacePipeline::Disable()
141 {
142 actor->SetVisibility(0);
143 }