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 <vtkProperty.h>
8 #include <vtkPoints.h>
9 #include <vtkPolyData.h>
10 #include <vtkPointData.h>
11 #include <vtkDelaunay2D.h>
12 #include <vtkMath.h>
13 #include <vtkPolyDataMapper.h>
14 #include <vtkActor.h>
15 #include <vtkRenderWindow.h>
16 #include <vtkRenderer.h>
17 #include <vtkRenderWindowInteractor.h>
18 #include <vtkVertexGlyphFilter.h>
19
20 int main(int, char *[])
21 {
22 unsigned int gridSize = 10;
23 vtkSmartPointer<vtkPoints> points =
24 vtkSmartPointer<vtkPoints>::New();
25 for(unsigned int x = 0; x < gridSize; x++)
26 {
27 for(unsigned int y = 0; y < gridSize; y++)
28 {
29 points->InsertNextPoint(x, y, vtkMath::Random(0.0, 3.0));
30 }
31 }
32
33 vtkSmartPointer<vtkPolyData> polydata =
34 vtkSmartPointer<vtkPolyData>::New();
35 polydata->SetPoints(points);
36
37 vtkSmartPointer<vtkDelaunay2D> delaunay =
38 vtkSmartPointer<vtkDelaunay2D>::New();
39 delaunay->SetInputData(polydata);
40 delaunay->Update();
41
42 vtkSmartPointer<vtkVertexGlyphFilter> glyphFilter =
43 vtkSmartPointer<vtkVertexGlyphFilter>::New();
44 glyphFilter->SetInputData(polydata);
45 glyphFilter->Update();
46
47 vtkSmartPointer<vtkPolyDataMapper> pointsMapper =
48 vtkSmartPointer<vtkPolyDataMapper>::New();
49 pointsMapper->SetInputData(glyphFilter->GetOutput());
50
51 vtkSmartPointer<vtkActor> pointsActor =
52 vtkSmartPointer<vtkActor>::New();
53 pointsActor->SetMapper(pointsMapper);
54 pointsActor->GetProperty()->SetPointSize(3);
55 pointsActor->GetProperty()->SetColor(1,0,0);
56
57 vtkSmartPointer<vtkPolyDataMapper> triangulatedMapper =
58 vtkSmartPointer<vtkPolyDataMapper>::New();
59 triangulatedMapper->SetInputData(delaunay->GetOutput());
60
61 vtkSmartPointer<vtkActor> triangulatedActor =
62 vtkSmartPointer<vtkActor>::New();
63 triangulatedActor->SetMapper(triangulatedMapper);
64
65 vtkSmartPointer<vtkRenderer> renderer =
66 vtkSmartPointer<vtkRenderer>::New();
67 renderer->AddActor(pointsActor);
68 renderer->AddActor(triangulatedActor);
69 renderer->SetBackground(1.0, 1.0, 1.0);
70
71 vtkSmartPointer<vtkRenderWindow> renderWindow =
72 vtkSmartPointer<vtkRenderWindow>::New();
73 renderWindow->AddRenderer(renderer);
74
75 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
76 vtkSmartPointer<vtkRenderWindowInteractor>::New();
77 renderWindowInteractor->SetRenderWindow(renderWindow);
78
79 renderWindow->SetSize(640, 320);
80 renderWindow->Render();
81 renderWindow->SetWindowName("PolyDataDelaunay2D");
82 renderWindow->Render();
83
84 renderWindowInteractor->Start();
85
86 return EXIT_SUCCESS;
87 }
