VTK Demo（一）显示圆柱体

 () 1 #include<vtkSmartPointer.h>
 2 #include<vtkRenderWindow.h>
 3 #include<vtkRenderer.h>
 4 #include<vtkRenderWindowInteractor.h>
 5 #include<vtkInteractorStyleTrackballCamera.h>
 6 #include<vtkCylinderSource.h>
 7 #include<vtkPolyDataMapper.h>
 8 #include<vtkActor.h>
 9 
10 #include "vtkAutoInit.h"
11 
12 VTK_MODULE_INIT(vtkRenderingOpenGL2); // VTK was built with vtkRenderingOpenGL2
13 VTK_MODULE_INIT(vtkInteractionStyle);
14 //https://blog.csdn.net/thecentry/article/details/79111295
15 int main()
16 {
17     vtkSmartPointer<vtkCylinderSource>cylinder = vtkSmartPointer<vtkCylinderSource>::New();
18     cylinder->SetHeight(3.0);
19     cylinder->SetRadius(1.0);
20     cylinder->SetResolution(10);
21 
22     vtkSmartPointer<vtkPolyDataMapper> cylinderMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
23     cylinderMapper->SetInputConnection(cylinder->GetOutputPort());
24 
25     vtkSmartPointer<vtkActor> cylinderActor = vtkSmartPointer<vtkActor>::New();
26     cylinderActor->SetMapper(cylinderMapper);
27 
28     vtkSmartPointer<vtkRenderer> cylinderRender = vtkSmartPointer<vtkRenderer>::New();
29     cylinderRender->AddActor(cylinderActor);
30     cylinderRender->SetBackground(0.1,0.2,0.4);
31 
32     vtkSmartPointer<vtkRenderWindow> renWin = vtkSmartPointer<vtkRenderWindow>::New();
33     renWin->AddRenderer(cylinderRender);
34     renWin->SetSize(300,300);
35 
36     vtkSmartPointer<vtkRenderWindowInteractor> iren = vtkSmartPointer<vtkRenderWindowInteractor>::New();
37     iren->SetRenderWindow(renWin);
38 
39     vtkSmartPointer<vtkInteractorStyleTrackballCamera> style = vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New();
40     iren->SetInteractorStyle(style);
41 
42     iren->Initialize();
43     iren->Start();
44     return 0;
45 }

VTK编译出现no override found for 'vtkPolyDataMapper'

我出现no override found for 'vtkPolyDataMapper'，这种问题是因为没有用cmake，而是直接用控制台结合VTK的库函数进行开发的。

参考博文 https://blog.csdn.net/thecentry/article/details/79111295

demo运行结果：

一个vtkRender可添加多个actor，同时显示，结合上面代码：

 1 vtkSmartPointer<vtkCylinderSource>cylinder1 = vtkSmartPointer<vtkCylinderSource>::New();
 2     cylinder1->SetHeight(6.0);
 3     cylinder1->SetRadius(1.0);
 4     cylinder1->SetResolution(10);
 5 
 6 
 7     vtkSmartPointer<vtkPolyDataMapper> cylinderMapper1 = vtkSmartPointer<vtkPolyDataMapper>::New();
 8     cylinderMapper1->SetInputConnection(cylinder1->GetOutputPort());
 9 
10     vtkSmartPointer<vtkActor> cylinderActor1 = vtkSmartPointer<vtkActor>::New();
11     cylinderActor1->SetMapper(cylinderMapper1);
12     //
13     vtkSmartPointer<vtkRenderer> cylinderRender = vtkSmartPointer<vtkRenderer>::New();
14     cylinderRender->AddActor(cylinderActor);
15     cylinderRender->AddActor(cylinderActor1);
16     cylinderRender->SetBackground(0.1,0.2,0.4);