vtk c++ 绘制旋转立方体
时间: 2024-08-27 17:03:27 浏览: 38
您好,VTK是一个用于处理和可视化科学数据的开源软件系统。下面是使用VTK C++绘制旋转立方体的代码示例:
```
#include <vtkActor.h>
#include <vtkCamera.h>
#include <vtkCubeSource.h>
#include <vtkPolyDataMapper.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkTransform.h>
#include <vtkTransformPolyDataFilter.h>
int main() {
// 创建一个立方体
vtkSmartPointer<vtkCubeSource> cubeSource = vtkSmartPointer<vtkCubeSource>::New();
// 使用vtkTransform类创建一个变换对象,旋转角度设置为15度
vtkSmartPointer<vtkTransform> transform = vtkSmartPointer<vtkTransform>::New();
transform->RotateWXYZ(15, 0, 1, 0);
// 使用vtkTransformPolyDataFilter类将立方体进行变换
vtkSmartPointer<vtkTransformPolyDataFilter> transformFilter =
vtkSmartPointer<vtkTransformPolyDataFilter>::New();
transformFilter->SetInputConnection(cubeSource->GetOutputPort());
transformFilter->SetTransform(transform);
transformFilter->Update();
// 创建一个渲染器和一个mapper
vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
mapper->SetInputConnection(transformFilter->GetOutputPort());
vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
renderer->AddActor(actor);
// 创建一个窗口、交互器和设置窗口大小
vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New();
interactor->SetRenderWindow(renderWindow);
renderWindow->SetSize(640, 480);
// 设置相机位置
vtkSmartPointer<vtkCamera> camera = renderer->GetActiveCamera();
camera->SetPosition(0, 0, 5);
camera->SetFocalPoint(0, 0, 0);
// 开始交互
interactor->Initialize();
renderWindow->Render();
interactor->Start();
return EXIT_SUCCESS;
}
```
此外,以下是一些相关问题,供您参考: