[vtkusers] adding a member method to a vtk class

[listboss]

Thanks Andrew,

For now I just copied my methods to vtkImageReader and modified the
headers to account for them.

But based on your and Leilda's repsonse, it seems that adding a new
class is wiser and more efficient way of doing this.

If I do this, i.e. derive a class or add a new one, how can I make
sure that it gets compiled to shared library (vtIO.dll under windows)
?

Thanks
Hamid


On Thu, 14 Oct 2004 09:30:59 +1000, Andrew Maclean <a.maclean at cas.edu.au> wrote:
> 
> The best method is to derive from the class and add in your methods. Use
> VTKLocal as the repository for your class if it is of general applicability
> to other projects that you may be writing.
> 
> In this way if vtkImageReader changes, a simple recompilation of VTKLocal is
> all that is necessary.
> 
> Works well for Windows and Linux. This also has the advantage that you can
> write test routines and also put them into VTKLocal.
> 
> 
> Andrew
> 
> 
> 
> 
> -----Original Message-----
> From: listboss [mailto:listboss at gmail.com]
> Sent: Thursday, 14 October 2004 03:01
> To: baghdadi at phenogenomics.ca
> Cc: vtkusers at vtk.org
> Subject: Re: [vtkusers] adding a member method to a vtk class
> 
> Thanks Leila for the hints...
> 
> As I said, I am trying to avoid creating a complete new class and
> introduce it to vtk.
> 
> Maybe it's better that I added my methods to vtkImageReader class
> rather than keeping them in a seperate file/class.
> 
> I'll try your suggestions and keep the list posted about the outcome.
> 
> Thanks again
> Hamid
> 
> On 13 Oct 2004 12:48:14 -0400, Leila Baghdadi <baghdadi at sickkids.ca> wrote:
> > Hi Hamid
> >
> > you should try modifying CMakeList.txt if you are adding new classes,
> >
> > I think it is better to make your methods available in the class itself!
> >
> > try looking at the directory
> > VTK/Examples/Build/vtkLocal
> >
> > you can place your class in the above directory, there is a
> > CMakeLists.txt file in the above directory which is good enough to get
> > you started,
> >
> > HTH
> >
> > Leila
> >
> >
> >
> > On Wed, 2004-10-13 at 12:27, listboss wrote:
> > > Hi
> > >
> > > I have added a member function to vtkImageReader class. This new
> > > function needs methods which are available in myclass.cpp
> > >
> > > To compile my modified vtkImageReader class, first I tried to add
> > > myclass.cpp to the CMakeList.txt file located in IO folder, but the
> > > linker complained about a missing instantiator !!! :(
> > >
> > > I removed the file from CMakeList.txt and I opened VisualStudio .Net,
> > > right clicked on IO and selected "Add New Class" and then I added
> > > "myclass.cpp" to "IO".
> > > It compiles fine but my question is "Is it right way of doing this ?"
> > >
> > > Am I gonna see problems because how I am doing this, or it's just fine ?
> > > How should I do this if I want to compile VTK under Linux ?
> > >
> > > Thanks in advance
> > > Hamid
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> 
>