VTK 实例10：坐标系统2

 1 #include "vtkAutoInit.h" 
 2 VTK_MODULE_INIT(vtkRenderingOpenGL2);
 3 VTK_MODULE_INIT(vtkInteractionStyle);
 4 #include <vtkConeSource.h>//源数据
 5 #include <vtkCubeSource.h>//立方体
 6 #include <vtkPolyDataMapper.h>//数据映射
 7 #include <vtkRenderer.h>//绘制器
 8 #include <vtkRenderWindow.h>//绘制窗口
 9 #include <vtkCamera.h>//照相机
10 #include <vtkRenderWindowInteractor.h>//加入交互机制类
11 
12 
13 int main()
14 {
15     //指针创建一个锥体cone
16     vtkConeSource* cone = vtkConeSource::New();
17     cone->SetResolution(5);//圆锥的棱边数
18     cone->SetHeight(3);//指定高度
19     cone->SetRadius(1);//指定半径
20 
21     //指针创建一个柱体
22     vtkCubeSource* cube = vtkCubeSource::New();
23 
24     //实例化一个映射器coneMapper
25     vtkPolyDataMapper* coneMapper = vtkPolyDataMapper::New();
26     coneMapper->SetInputConnection(cone->GetOutputPort());//源数据输出给映射器输入
27 
28     //实例化一个映射器cubeMapper
29     vtkPolyDataMapper* cubeMapper = vtkPolyDataMapper::New();
30     cubeMapper->SetInputConnection(cube->GetOutputPort());//源数据输出给映射器输入
31 
32     //创建一个演员对象coneActor
33     vtkActor* coneActor = vtkActor::New();
34     coneActor->SetMapper(coneMapper);//为演员指定mapper进行映射
35 
36     //创建一个演员对象cubeActor
37     vtkActor* cubeActor = vtkActor::New();
38     cubeActor->SetMapper(cubeMapper);//为演员指定mapper进行映射
39 
40     //搭建舞台  实例化渲染器对象renderer
41     vtkRenderer* renderer = vtkRenderer::New();
42     renderer->AddActor(coneActor);//将演员加入场景
43     renderer->SetBackground(1.0, 0.0, 0.0);//设置场景背景颜色为红色(R,G,B)
44     //在绘制窗口指定视口（Xmin,Ymin,Xmax,Ymax)(x,y范围都为0~1)
45     renderer->SetViewport(0.0, 0.0, 0.5, 0.5);//视口1
46 
47     //搭建舞台  实例化渲染器对象renderer2
48     vtkRenderer* renderer2 = vtkRenderer::New();
49     renderer2->AddActor(cubeActor);//将演员加入场景
50     renderer2->SetBackground(0.0, 1.0, 0.0);//设置场景背景颜色为绿色(R,G,B)
51     renderer2->SetViewport(0.5, 0.0, 1.0, 0.5);//视口2
52 
53     vtkRenderer* renderer3 = vtkRenderer::New();
54     renderer3->AddActor(cubeActor);
55     renderer3->SetBackground(0.0, 0.0, 1.0);//蓝色
56     renderer3->SetViewport(0.0, 0.5, 0.5, 1.0);//视口3
57 
58     vtkRenderer* renderer4 = vtkRenderer::New();
59     renderer4->AddActor(coneActor);
60     renderer4->SetBackground(1.0, 1.0, 0.0);//黄色
61     renderer4->SetViewport(0.5, 0.5, 1.0, 1.0);//视口4
62 
63     //实例化一个窗口对象renWin
64     vtkRenderWindow* renWin = vtkRenderWindow::New();
65     renWin->SetSize(640, 480);//设置窗口大小宽*高
66     renWin->AddRenderer(renderer);//将场景renderer加入renWin窗口中
67     renWin->AddRenderer(renderer2);//将场景renderer2加入renWin窗口中
68     renWin->AddRenderer(renderer3);
69     renWin->AddRenderer(renderer4);
70 
71     //实例化一个交互对象
72     vtkRenderWindowInteractor* interactor = vtkRenderWindowInteractor::New();//交互对象加入renWin窗口中
73     interactor->SetRenderWindow(renWin);
74 
75     renWin->Render();//绘制舞台上的东西
76 
77     interactor->Initialize();//交互对象初始化
78     interactor->Start();//开始交互事件
79 
80     cone->Delete();
81     cube->Delete();
82     coneActor->Delete();
83     cubeActor->Delete();
84     coneMapper->Delete();
85     cubeMapper->Delete();
86     renderer->Delete();
87     renderer2->Delete();
88     renderer3->Delete();
89     renderer4->Delete();
90     renWin->Delete();
91     interactor->Delete();
92 
93     return 0;
94 }