vtk点云以坐标轴形态显示
时间: 2023-08-30 08:05:29 浏览: 67
要将vtk点云以坐标轴形态显示,可以使用vtkAxesActor类。以下是一个简单的例子:
```python
import vtk
# 创建点云
points = vtk.vtkPoints()
points.InsertNextPoint(0, 0, 0)
points.InsertNextPoint(1, 0, 0)
points.InsertNextPoint(0, 1, 0)
points.InsertNextPoint(0, 0, 1)
polydata = vtk.vtkPolyData()
polydata.SetPoints(points)
# 创建坐标轴Actor
axes = vtk.vtkAxesActor()
# 创建渲染器
renderer = vtk.vtkRenderer()
renderer.SetBackground(0.1, 0.2, 0.4)
# 将点云和坐标轴Actor添加到渲染器中
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputData(polydata)
actor = vtk.vtkActor()
actor.SetMapper(mapper)
renderer.AddActor(axes)
renderer.AddActor(actor)
# 创建窗口并添加渲染器
window = vtk.vtkRenderWindow()
window.AddRenderer(renderer)
# 显示窗口
window.Render()
window.SetWindowName("VTK Axes Actor")
# 进入事件循环
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(window)
interactor.Start()
```
运行代码后,可以看到一个带有坐标轴的点云窗口。您可以旋转和缩放窗口以查看点云和坐标轴的不同角度和大小。