[Dcmlib] R: vtkGdcmReader and vtkProcessObject

[Luca Picello]

errata corrige:

casting 'source' pointer makes it possible to access (without any error) to
all vtkAlgorithm methods.


On 6/5/06, Luca Picello <luca.picello at gmail.com> wrote:
>
> well well well...
> I will change compiler when I'll open my fabulous restaurant at carabbeans
> ;-)
> anyway even if I understand your point of view, I have the reason why it
> works with BCB and it seems (to me at least) to be reasonable.
>
> both vtkProcessObject and vtkImageReader (then vtkGdcmReader) are derived
> from vtkAlgorithm where the method GetProgress() is implemented.
>
> casting 'source' pointer makes it possible to access (without any error)
> to all vtkImageAlgorithm methods.
> Now you make me note it, I know it is wrong. Indeed I'll have to try a
> safedowncast to vtkAlgorithm which should be the right cast I need for a
> clean source.
> when I'll be at home I'll check it, if it is true and if it really works.
>
> thanks, as usual, for your support
> Luca
>
>
>
>
> On 6/5/06, Mathieu Malaterre <mathieu.malaterre at kitware.com > wrote:
> >
> > luca.picello at gmail.com wrote:
> > > with
> > > vtkProcessObject* source = (vtkProcessObject*)(aCaller);
> > >
> > > it works.
> > > any suggestion is welcome
> >
> > Change your compiler ! This can't be or this is simply an adress (a
> > void* basically) and you cannot use it as a ProcessObject anyway.
> >
> > See:
> >
> > http://www.vtk.org/doc/nightly/html/classvtkProcessObject.html
> >
> > It's a leaf, nothing derives from it in VTK 5.x
> >
> > Mathieu
> >
> >
>
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