vtkContourHelper(vtkIncrementalPointLocator *locator, vtkCellArray *outVerts, vtkCellArray *outLines, vtkCellArray *outPolys, vtkPointData *inPd, vtkCellData *inCd, vtkPointData *outPd, vtkCellData *outCd, int trisEstimatedSize, bool outputTriangles)