1 #include <vtkAutoInit.h>
2 VTK_MODULE_INIT(vtkRenderingOpenGL2);
3 VTK_MODULE_INIT(vtkRenderingFreeType);
4 VTK_MODULE_INIT(vtkInteractionStyle);
5
6 #include <vtkSmartPointer.h>
7 #include <vtkPolyDataReader.h>
8 #include <vtkPolyData.h>
9 #include <vtkSurfaceReconstructionFilter.h>
10 #include <vtkContourFilter.h>
11 #include <vtkVertexGlyphFilter.h>
12 #include <vtkPolyDataMapper.h>
13 #include <vtkActor.h>
14 #include <vtkRenderer.h>
15 #include <vtkCamera.h>
16 #include <vtkRenderWindow.h>
17 #include <vtkRenderWindowInteractor.h>
18 #include <vtkProperty.h>
19
20 int main()
21 {
22 vtkSmartPointer<vtkPolyDataReader> reader =
23 vtkSmartPointer<vtkPolyDataReader>::New();
24 reader->SetFileName("C:\\Users\\Administrator\\Desktop\\VTK2\\hellovtk\\vtk_图像处理学习\\第六章_图像处理\\data\\fran_cut.vtk");
25 reader->Update();
26
27 vtkSmartPointer<vtkPolyData> points =
28 vtkSmartPointer<vtkPolyData>::New();
29 points->SetPoints(reader->GetOutput()->GetPoints()); //获得网格模型中的几何数据：点集
30
31 vtkSmartPointer<vtkSurfaceReconstructionFilter> surf =
32 vtkSmartPointer<vtkSurfaceReconstructionFilter>::New();
33 surf->SetInputData(points);
34 surf->SetNeighborhoodSize(20);
35 surf->SetSampleSpacing(0.005);
36 surf->Update();
37
38 vtkSmartPointer<vtkContourFilter> contour =
39 vtkSmartPointer<vtkContourFilter>::New();
40 contour->SetInputConnection(surf->GetOutputPort());
41 contour->SetValue(0, 0.0);
42 contour->Update();
43 //
44 vtkSmartPointer <vtkVertexGlyphFilter> vertexGlyphFilter =
45 vtkSmartPointer<vtkVertexGlyphFilter>::New();
46 vertexGlyphFilter->AddInputData(points);
47 vertexGlyphFilter->Update();
48 vtkSmartPointer<vtkPolyDataMapper> pointMapper =
49 vtkSmartPointer<vtkPolyDataMapper>::New();
50 pointMapper->SetInputData(vertexGlyphFilter->GetOutput());
51 pointMapper->ScalarVisibilityOff();
52
53 vtkSmartPointer<vtkActor> pointActor =
54 vtkSmartPointer<vtkActor>::New();
55 pointActor->SetMapper(pointMapper);
56 pointActor->GetProperty()->SetColor(1, 0, 0);
57 pointActor->GetProperty()->SetPointSize(4);
58
59 vtkSmartPointer<vtkPolyDataMapper> contourMapper =
60 vtkSmartPointer<vtkPolyDataMapper>::New();
61 contourMapper->SetInputData(contour->GetOutput());
62 vtkSmartPointer<vtkActor> contourActor =
63 vtkSmartPointer<vtkActor>::New();
64 contourActor->SetMapper(contourMapper);
65 ///
66 double pointView[4] = { 0, 0, 0.5, 1 };
67 double contourView[4] = { 0.5, 0, 1, 1 };
68
69 vtkSmartPointer<vtkRenderer> pointRender =
70 vtkSmartPointer<vtkRenderer>::New();
71 pointRender->AddActor(pointActor);
72 pointRender->SetViewport(pointView);
73 pointRender->SetBackground(1, 1, 1);
74
75 vtkSmartPointer<vtkRenderer> contourRender =
76 vtkSmartPointer<vtkRenderer>::New();
77 contourRender->AddActor(contourActor);
78 contourRender->SetViewport(contourView);
79 contourRender->SetBackground(0, 1, 0);
80
81 pointRender->GetActiveCamera()->SetPosition(0, -1, 0);
82 pointRender->GetActiveCamera()->SetFocalPoint(0, 0, 0);
83 pointRender->GetActiveCamera()->SetViewUp(0, 0, 1);
84 pointRender->GetActiveCamera()->Azimuth(30);
85 pointRender->GetActiveCamera()->Elevation(30);
86 pointRender->ResetCamera();
87 contourRender->SetActiveCamera(pointRender->GetActiveCamera());
88
89 vtkSmartPointer<vtkRenderWindow> rw =
90 vtkSmartPointer<vtkRenderWindow>::New();
91 rw->AddRenderer(pointRender);
92 rw->AddRenderer(contourRender);
93 rw->SetSize(640, 320);
94 rw->SetWindowName("3D Surface Reconstruction ");
95 rw->Render();
96
97 vtkSmartPointer<vtkRenderWindowInteractor> rwi =
98 vtkSmartPointer<vtkRenderWindowInteractor>::New();
99 rwi->SetRenderWindow(rw);
100 rwi->Initialize();
101 rwi->Start();
102
103 return 0;
104 }
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