TT.vtu

<?xml version="1.0" encoding="utf-8"?>
<VTKFile byte_order="LittleEndian" type="UnstructuredGrid" version="0.1">
   <UnstructuredGrid>
      <Piece NumberOfCells="2" NumberOfPoints="4">
         <Points>
            <DataArray Name="Points" NumberOfComponents="3" format="ascii" type="Float32">
0.0000 0.0000 0.0000
0.0000 1.0000 0.0000
1.0000 0.0000 0.0000
1.0000 1.0000 0.0000</DataArray>
         </Points>
         <Cells>
            <DataArray Name="connectivity" format="ascii" type="Int32">
 0 3 1
 0 2 3</DataArray>
            <DataArray Name="offsets" format="ascii" type="Int32">3 6 </DataArray>
            <DataArray Name="types" format="ascii" type="UInt8">5 5 </DataArray>
         </Cells>
         <PointData>
            <DataArray Name="fValues" NumberOfComponents="1" format="ascii" type="Float64">
 1.02667e+00 
-1.78553e+00 
 1.40849e+00 
-8.38145e-01 </DataArray>
         </PointData>
         <CellData/>
      </Piece>
   </UnstructuredGrid>
</VTKFile>