1"""this is python equivalent of ./Wrapping/Tcl/vtktesting/backdrop.tcl 2This script is used while running python tests translated from Tcl.""" 3 4import vtk 5 6basePlane = None 7baseMapper = None 8base = None 9 10backPlane = None 11backMapper = None 12back = None 13 14leftPlane = None 15leftMapper = None 16left = None 17 18def BuildBackdrop (minX, maxX, minY, maxY, minZ, maxZ, thickness): 19 global basePlane 20 global baseMapper 21 global base 22 global backPlane 23 global backMapper 24 global back 25 global left 26 global leftPlane 27 global leftMapper 28 29 if not basePlane: 30 basePlane = vtk.vtkCubeSource() 31 basePlane.SetCenter( (maxX + minX)/2.0, minY, (maxZ + minZ)/2.0) 32 basePlane.SetXLength(maxX-minX) 33 basePlane.SetYLength(thickness) 34 basePlane.SetZLength(maxZ - minZ) 35 36 if not baseMapper: 37 baseMapper = vtk.vtkPolyDataMapper() 38 baseMapper.SetInputConnection(basePlane.GetOutputPort()) 39 40 if not base: 41 base = vtk.vtkActor() 42 base.SetMapper(baseMapper) 43 44 if not backPlane: 45 backPlane = vtk.vtkCubeSource() 46 backPlane.SetCenter( (maxX + minX)/2.0, (maxY + minY)/2.0, minZ) 47 backPlane.SetXLength(maxX-minX) 48 backPlane.SetYLength(maxY - minY) 49 backPlane.SetZLength(thickness) 50 51 if not backMapper: 52 backMapper = vtk.vtkPolyDataMapper() 53 backMapper.SetInputConnection(backPlane.GetOutputPort()) 54 55 if not back: 56 back = vtk.vtkActor() 57 back.SetMapper(backMapper) 58 59 if not leftPlane: 60 leftPlane = vtk.vtkCubeSource() 61 leftPlane.SetCenter( minX, (maxY+minY)/2.0, (maxZ+minZ)/2.0) 62 leftPlane.SetXLength(thickness) 63 leftPlane.SetYLength(maxY-minY) 64 leftPlane.SetZLength(maxZ-minZ) 65 66 if not leftMapper: 67 leftMapper = vtk.vtkPolyDataMapper() 68 leftMapper.SetInputConnection(leftPlane.GetOutputPort()) 69 70 if not left: 71 left = vtk.vtkActor() 72 left.SetMapper(leftMapper) 73 74 return [base, back, left] 75