def METHOD_NAME(self):
    if self.Mesh == None:
        self.PrintError('Error: No input mesh.')
    if self.Centerlines == None:
        self.PrintError('Error: No input centerlines.')
    centerlineSections = vtkvmtk.vtkvmtkUnstructuredGridCenterlineSections()
    centerlineSections.SetInputData(self.Mesh)
    centerlineSections.SetCenterlines(self.Centerlines)
    centerlineSections.SetSectionSource(self.SectionSource)
    centerlineSections.SetUseSectionSource(self.UseSectionSource)
    centerlineSections.SetSourceScaling(self.SourceScaling)
    centerlineSections.SetTransformSections(self.TransformSections)
    centerlineSections.SetOriginOffset(self.OriginOffset)
    if self.VectorsArrayName:
        centerlineSections.SetVectorsArrayName(self.VectorsArrayName)
    centerlineSections.SetSectionIdsArrayName(self.SectionIdsArrayName)
    centerlineSections.SetSectionNormalsArrayName(self.SectionNormalsArrayName)
    if self.SectionUpNormalsArrayName:
        centerlineSections.SetSectionUpNormalsArrayName(self.SectionUpNormalsArrayName)
    if self.AdditionalNormalsArrayName:
        centerlineSections.SetAdditionalNormalsArrayName(self.AdditionalNormalsArrayName)
    if self.AdditionalScalarsArrayName:
        centerlineSections.SetAdditionalScalarsArrayName(self.AdditionalScalarsArrayName)
    centerlineSections.Update()
    self.CenterlineSections = centerlineSections.GetOutput()
    self.SectionPointsPolyData = centerlineSections.GetSectionPointsPolyData()