[vtkusers] update unstructured grid

[Olivier Feys]

try

pUnstructuredGrid->Modified()

Naim wrote:
>
> Hi vtkUsers,
>
> I need help how to update an unstructured grid?
>
> I change the scalars and I call “update” and/or “modified” functions, 
> but the results are wrong.
>
> I create pScalars (vtkDoubleArray)
>
> pUnstructuredGrid->GetPointData()->SetScalars(pScalars);
>
> …
>
> I show the plot. The plot is fine.
>
> I change the scalars like this:
>
> for(long i = 0; i < Size; ++i)
>
> {
>
> aNodeValue = pPlotData[i]; // new scalars data
>
> pScalars->SetValue(i, aNodeValue);
>
> }
>
> pScalars->Update(); // or pScalars->Modified();
>
> pUnstructuredGrid->GetPointData()->SetScalars(pScalars);
>
> …
>
> I show the plot but the results are not correct.
>
> Please any idea.
>
> //Naim Himrane//////
>
> //Electromagneticworks Inc.//
>
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