Thanks for the answer Joe, but I still get a compilation error for
rgrid->GetPointData()->AddArray(temperature); The error: invalid use of incomplete type ‘class vtkPointData’ In file included from /usr/include/vtk-5.8/vtkPointSet.h:29:0, from /usr/include/vtk-5.8/vtkStructuredGrid.h:42, from vtk.cpp:13: Any ideas? Paw
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