[Paraview] error: 'class vtkFloatArray' has no member named 'setName'

[庞庆源]

Why do I get such a strange error?I can find setName() function at
http://www.vtk.org/doc/nightly/html/classvtkFloatArray-members.html
My paraview version is 4.0.1.
the master code is as below:
******************************************
vtkFloatArray *pointScalars = vtkFloatArray::New();
pointScalars->setName("Velocity");

******************************************
I also find similar code in GMVReader plugin source,which is part of
paraview source,but without compile error.

-- 
庞庆源 <pangqingyuan1991 at gmail.com>
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