[Insight-developers] Const Missing in inputs for Process Object

[Will Schroeder]

How are the in-place filters going to be implemented: as a derived family 
of filters, or as a per-algorithm choice?
Will

At 04:06 PM 3/23/2002 -0500, Bill Lorensen wrote:
>In place filters are coming shortly... Not sure what the const impact will be,
>
>Bill
>
>At 11:32 AM 3/23/02 -0500, Will Schroeder wrote:
> >Hi Luis-
> >
> >I think this is the right thing to do, except for maybe in-place filters 
> that we'll add at some point. Good luck, this might be a can of worms.
> >
> >Will
> >
> >
> >At 11:23 AM 3/23/2002 -0500, Luis Ibanez wrote:
> >>Hi,
> >>
> >>The array of inputs for Process Object is not const-correct.
> >>
> >>In principle there is no reason for a filter to modify its input
> >>so the input should be stored as ConstSmartPointers.
> >>
> >>Currently this is done using just SmartPointers.
> >>
> >>This constness-defect is propagated through all the Filters
> >>which  basically means that you cannot pass a const image
> >>as input to any filter.      :-/
> >>
> >>Does anybody see a conflict in making the array of m_Inputs
> >>in itk::ProcessObject   an array of SmartConstPointers   ?
> >>
> >>
> >>  Luis
> >>
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