[vtkusers] deriving my own class from vtkActor

[Steffen Oeltze]

Malcolm Drummond wrote:

>Hi Steffen
>
>Try casting to your type of actor - the actor collection contains pointers
>to type vtkActor.
>
Unfortunately, I'm not very familiar with C. How does casting work ? 
What is the syntax ?

Steffen

>
>
>Malcolm
>
>----- Original Message -----
>From: "Steffen Oeltze" <Steffen.Oeltze at Student.Uni-Magdeburg.DE>
>To: "VTK users" <vtkusers at public.kitware.com>
>Sent: Saturday, October 19, 2002 6:05 PM
>Subject: [vtkusers] deriving my own class from vtkActor
>
>
>>Dear VTK-users,
>>
>>I have derived my own class from vtkActor and I have added a couple of
>>methods to this new class.
>>After creating and modifying such a new actor I add it to my existing
>>renderer. At some point I use
>>vtkRenderer->GetActors() to retrieve my custom actors. Then, I would
>>like to traverse the returned
>>list and apply a custom method to each of my selfmade actors. However, I
>>get the error:
>>
>>>'method' : is not an element of 'vtkActor'
>>>
>>I guess this is a problem of backward compatibility but I don't know how
>>to solve it. Can anybody help me ?
>>
>>Steffen
>>
>>
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>
>
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