[vtkusers] SetArray(const, , )

[Darshan Pai]

Is there any reason , you do not want to const_cast it?

REgards

On Mon, Oct 8, 2012 at 12:37 PM, Nico Schlömer <nico.schloemer at gmail.com>wrote:

> Hi,
>
> I have a const double array
>
>   const double * myPointCoordinates;
>
> and would like to feed it into a VTK unstructured grid as points. I'd
> like to pass around the points so what I'm doing is
>
>   // Build VTK unstructured grid object.
>   vtkSmartPointer<vtkUnstructuredGrid> unstructuredGrid =
>     vtkSmartPointer<vtkUnstructuredGrid>::New();
>   // Set the points.
>   const int numPoints = mesh.num_vertices();
>   vtkSmartPointer<vtkDoubleArray> pointData =
>     vtkSmartPointer<vtkDoubleArray>::New();
>   pointData->SetNumberOfComponents(3);
>   pointData->SetArray(myPointCoordinates, 3*numPoints, 1);
>   vtkSmartPointer<vtkPoints> points =
>     vtkSmartPointer<vtkPoints>::New();
>   points->SetData(pointData);
>   unstructuredGrid->SetPoints(points);
>
> This is almost working except for the fact that myPointCoordinates is
> const, and the first argument of SetArray() isn't.
> Is there a way around this?
>
> --Nico
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