def clipByPlane(polyData, planeOrigin, planeNormal):
f = vtk.vtkClipPolyData()
f.SetInput(polyData)
p = vtk.vtkPlane()
p.SetOrigin(planeOrigin)
p.SetNormal(planeNormal)
f.SetClipFunction(p)
f.Update()
return shallowCopy(f.GetOutput())
def clipRange(dataObj, arrayName, thresholdRange):
if not dataObj.GetPointData().GetArray(arrayName):
raise Exception("clipRange: could not locate array: %s" % arrayName)
dataObj.GetPointData().SetScalars(dataObj.GetPointData().GetArray(arrayName))
f = vtk.vtkClipPolyData()
f.SetInput(dataObj)
f.SetValue(thresholdRange[0])
f.SetInputArrayToProcess(0, 0, 0, vtk.vtkDataObject.FIELD_ASSOCIATION_POINTS, arrayName)
f2 = vtk.vtkClipPolyData()
f2.AddInputConnection(f.GetOutputPort())
f2.SetValue(thresholdRange[1])
f2.InsideOutOn()
f2.SetInputArrayToProcess(0, 0, 0, vtk.vtkDataObject.FIELD_ASSOCIATION_POINTS, arrayName)
f2.Update()
return shallowCopy(f2.GetOutput())
def clipRange(dataObj, arrayName, thresholdRange):
if not dataObj.GetPointData().GetArray(arrayName):
raise Exception('clipRange: could not locate array: %s' % arrayName)
dataObj.GetPointData().SetScalars(dataObj.GetPointData().GetArray(arrayName))
f = vtk.vtkClipPolyData()
f.SetInput(dataObj)
f.SetValue(thresholdRange[0])
f.SetInputArrayToProcess(0, 0, 0, vtk.vtkDataObject.FIELD_ASSOCIATION_POINTS, arrayName)
f2 = vtk.vtkClipPolyData()
f2.AddInputConnection(f.GetOutputPort())
f2.SetValue(thresholdRange[1])
f2.InsideOutOn()
f2.SetInputArrayToProcess(0, 0, 0, vtk.vtkDataObject.FIELD_ASSOCIATION_POINTS, arrayName)
f2.Update()
return shallowCopy(f2.GetOutput())