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110 lines
3.0 KiB
Python
110 lines
3.0 KiB
Python
import vtk
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def renderOne():
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# 创建一个立方体的源对象
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cubeSource = vtk.vtkCubeSource()
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cubeSource.SetXLength(10.0) # 设置立方体的X轴长度
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cubeSource.SetYLength(10.0) # 设置立方体的Y轴长度
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cubeSource.SetZLength(10.0) # 设置立方体的Z轴长度
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cubeSource.Update() # 更新立方体源以生成数据
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# 创建一个多边形映射器
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mapper = vtk.vtkPolyDataMapper()
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mapper.SetInputConnection(
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cubeSource.GetOutputPort()
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) # 设置映射器的输入为立方体源的输出
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# 创建一个立方体actor
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cubeActor = vtk.vtkActor()
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cubeActor.SetMapper(mapper) # 设置立方体actor的映射器
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# 创建一个渲染器、一个窗口和一个渲染器集合
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ren = vtk.vtkRenderer()
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renWin = vtk.vtkRenderWindow()
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renWin.AddRenderer(ren)
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iren = vtk.vtkRenderWindowInteractor()
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iren.SetRenderWindow(renWin)
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# 将立方体actor添加到渲染器
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ren.AddActor(cubeActor)
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ren.SetBackground(0, 0, 0) # 设置渲染器的背景颜色
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# 渲染窗口大小并显示
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renWin.SetSize(300, 300)
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renWin.Render()
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# 启动交互器
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iren.Initialize()
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iren.Start()
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def renderTwo():
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import vtk
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# 创建一个点集合
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points = vtk.vtkPoints()
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points.InsertPoint(0, 0, 0, 0)
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points.InsertPoint(1, 1, 0, 0)
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points.InsertPoint(2, 1, 1, 0)
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points.InsertPoint(3, 0, 1, 0)
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points.InsertPoint(4, 0, 0, 1)
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points.InsertPoint(5, 1, 0, 1)
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points.InsertPoint(6, 1, 1, 1)
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points.InsertPoint(7, 0, 1, 1)
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# 创建一个单元数组，定义单元格
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polys = vtk.vtkCellArray()
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polys.InsertNextCell(4)
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polys.InsertCellPoint(0)
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polys.InsertCellPoint(1)
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polys.InsertCellPoint(3)
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polys.InsertCellPoint(2)
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polys.InsertNextCell(4)
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polys.InsertCellPoint(4)
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polys.InsertCellPoint(5)
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polys.InsertCellPoint(7)
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polys.InsertCellPoint(6)
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polys.InsertNextCell(4)
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polys.InsertCellPoint(0)
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polys.InsertCellPoint(4)
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polys.InsertCellPoint(6)
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polys.InsertCellPoint(2)
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polys.InsertNextCell(4)
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polys.InsertCellPoint(1)
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polys.InsertCellPoint(5)
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polys.InsertCellPoint(7)
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polys.InsertCellPoint(3)
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# 创建一个点集合和单元格数组的3D网格
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grid = vtk.vtkUnstructuredGrid()
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grid.SetPoints(points)
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grid.SetPolys(polys)
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# 创建一个映射器和actor
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mapper = vtk.vtkDataSetMapper()
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mapper.SetInputData(grid)
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actor = vtk.vtkActor()
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actor.SetMapper(mapper)
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# 创建一个渲染器、相机和窗口
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renderer = vtk.vtkRenderer()
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renderWindow = vtk.vtkRenderWindow()
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renderWindow.AddRenderer(renderer)
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interactor = vtk.vtkRenderWindowInteractor()
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interactor.SetRenderWindow(renderWindow)
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# 添加actor到渲染器并设置视图
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renderer.AddActor(actor)
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renderer.SetBackground(0.3, 0.3, 0.3)
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# 渲染窗口并启动事件循环
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renderWindow.Render()
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interactor.Start()
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renderTwo()
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