RuledSurfaceFilter
VTKExamples/Python/PolyData/RuledSurfaceFilter
Code¶
RuledSurfaceFilter.py
import vtk # create a rendering window and renderer ren = vtk.vtkRenderer() renWin = vtk.vtkRenderWindow() renWin.AddRenderer(ren) # create a renderwindowinteractor iren = vtk.vtkRenderWindowInteractor() iren.SetRenderWindow(renWin) #Create the points fot the lines. points = vtk.vtkPoints() points.InsertPoint(0, 0, 0, 1) points.InsertPoint(1, 1, 0, 0) points.InsertPoint(2, 0, 1, 0) points.InsertPoint(3, 1, 1, 1) #Create line1 line1 = vtk.vtkLine() line1.GetPointIds().SetId(0,0) line1.GetPointIds().SetId(1,1) #Create line2 line2 = vtk.vtkLine() line2.GetPointIds().SetId(0,2) line2.GetPointIds().SetId(1,3) #Create a cellArray containing the lines lines =vtk.vtkCellArray() lines.InsertNextCell(line1) lines.InsertNextCell(line2) #Create the vtkPolyData to contain the points and cellArray with the lines polydata = vtk.vtkPolyData() polydata.SetPoints(points) polydata.SetLines(lines) #Create the ruledSurfaceFilter from the polydata containing the lines ruledSurfaceFilter = vtk.vtkRuledSurfaceFilter() ruledSurfaceFilter.SetInputData(polydata) ruledSurfaceFilter.SetResolution(21, 21) ruledSurfaceFilter.SetRuledModeToResample() #Create the mapper with the ruledSufaceFilter as input mapper = vtk.vtkPolyDataMapper() mapper.SetInputConnection(ruledSurfaceFilter.GetOutputPort()) #create the actor with the mapper actor = vtk.vtkActor() actor.SetMapper(mapper) #add the actor to the display ren.AddActor(actor) # enable user interface interactor iren.Initialize() renWin.Render() iren.Start()