[vtkusers] Convert vtkActor to vtkPolyData

[agatte]

1) refLower = vtkPolyData::SafeDownCast(
actorLower->GetMapper()->GetInputAsDataSet());
    I received an exception concering  :
    Unhandled exception at 0x0f0fb5e1 (vtkFiltering.dll) : 0xC0000005:
Access violation reading location 0x00000034.


2) I tried :  actorLower->GetMapper()->GetInputAsDataSet()->Print(
std::cout);
    It doesn't compiled.
    error C2664: 'vtkPolyData::SafeDownCast' : cannot convert parameter 1
from 'void' to 'vtkObjectBase *'




2014-03-02 16:01 GMT+01:00 Cory Quammen-2 [via VTK] <
ml-node+s1045678n5726153h92 at n5.nabble.com>:

> What does
>
> actorLower->GetMapper()->GetInputAsDataSet()->Print(std::cout);
>
> report?
>
> On Sun, Mar 2, 2014 at 9:52 AM, agatte <[hidden email]<http://user/SendEmail.jtp?type=node&node=5726153&i=0>>
> wrote:
>
> > Thanks for quick reply Cory.
> >
> > I tried it but it doesn't work ...
> >
> >
> >
> > --
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