[vtkusers] SimpleCocoaVTK link dead?

[Feng Ding]

Thank you very much for your kind suggestion.
I might give QT a try. But before that, I'll get my hands on Cocoa.

On 10/21/07, Mike Jackson <imikejackson at gmail.com> wrote:
> This is very possible. Both Sean and I have done this type of program
> in the past. You will have to learn some Objective-C in order to
> program the GUI. But all the core algorithms can be done in C++.
> There are some caveats with using C++ with Objective-C if you are
> targeting 10.3.9. Things are better in 10.4. You will end up writing
> some bridge code to bridge between the Observer pattern that is used
> in VTK with Patterns that are used in Objective-C.
>    Some things that helped me out was:
>      In both Objective-C and C++, everything is a pointer. use "new"
> for vtk classes (or a smart pointer) and the memory management will
> go easier.
>         Return C++ pointers to vtk objects
>         If your code has BOTH objective-C and C++ the file extension MUST
> BE .mm
>
> Here are some examples:
>    This uses the VTKCocoa class. We are using Obj-C to ask for the
> VTKRenderer object, then using C++ to set the view.
>         [vtkView renderer]->GetActiveCamera()->SetViewUp(up);
>
> Here I am getting the File path from an NSSavePanel then using C++
> streams to write some data to the file. Note how I use NSStrings
> UTF8String to create a "c_str()".
> - (void)savePanelDidEnd:(NSSavePanel *)sheet returnCode:(int)
> returnCode contextInfo:(void *)contextInfo
> {
>    if( returnCode != NSFileHandlingPanelOKButton ){
>      return;
>    }
>    NSString *path = [sheet filename];
>    std::ofstream fout;
>    fout.open( [path UTF8String],std::ios_base::trunc);
>
>    fout << _particleInfos->GetNumberOfItems() << endl;
>    int i = 0;
>    int size = _particleInfos->GetNumberOfItems();
>    for (i = 0; i < size; ++i) {
>        _particleInfos->GetPFVParticleInfo(i)->PrintRecord(fout);
>    }
>    fout.close();
> }
>
> Hope some of this helps. The Cocoa API is very rich but VERY large.
> Don't get discouraged and keep plugging away.
>
> We use Qt everyday and the apps look pretty nice. If you are _really_
> picky there are a few things that don't quite look right but those
> can be fixed with some patience. Just look at the latest Adobe
> Reader. It was done with Qt (I think). I think also Abode LightRoom
> and/or Adobe Photoshop elements were also done using Qt.
>
> Objective-C is a really nice language and easy to learn, but you have
> to leave most things you know about C++ "at the door" as they do NOT
> apply with Objective-C. If you have ever used Java, then Objective-C
> is most like Java.
>
> Cheers
> --
> Mike Jackson   Senior Research Engineer
> Innovative Management & Technology Services
>
>
> On Oct 21, 2007, at 8:01 AM, Feng Ding wrote:
>
> > I'm going to develop native OSX-based VTK applications, and I'm using
> > C++. Possible to mix obj-c and C++ in programming? Let's say, using
> > obj-c for the interface, and C++ for the core algorithm. I hope that
> > the application looks more mac-like, so I'm not going to use cross
> > platform libraries such as QT, FLTK, etc.
> >
> > On 10/20/07, Mike Jackson <imikejackson at gmail.com> wrote:
> >> I do not have any examples of using pure Carbon. If you are trying to
> >> stick with C++ I would look into Qt from TrollTech as that is a Cross
> >> platform C++ Gui toolkit. VTK Provides a prebuilt plugin for Qt to
> >> render VTK scenes. To create a Qt/VTK example is easy and straight
> >> forward to accomplish.
> >>
> >> What exactly are you trying to do? Port an existing VTK app to OS X?
> >> Use OS X to develop VTK based Apps? Use OS X to just visualize some
> >> data using VTK? Learn VTK using OS X as the development environment?
> >>
> >> More information would help us help you.
> >>
> >> cheers
> >> --
> >> Mike Jackson   Senior Research Engineer
> >> Innovative Management & Technology Services
> >>
> >>
> >> On Oct 20, 2007, at 9:20 AM, Feng Ding wrote:
> >>
> >>> Yes, please. I really hope I can have a C++ example. Thank you!
> >>>
> >>> On 10/19/07, Mike Jackson <imikejackson at gmail.com> wrote:
> >>>> Right. Cocoa _is_ Objective-C. The purpose of the example is to
> >>>> show
> >>>> how to use VTK in a Cocoa Window. Are you wanting an example of how
> >>>> to use VTK in a Carbon window? (which is C++).
> >>>>
> >>>> I helped write the example.
> >>>>
> >>>> --
> >>>> Mike Jackson   Senior Research Engineer
> >>>> Innovative Management & Technology Services
> >>>>
> >>>>
> >>>> On Oct 19, 2007, at 3:55 AM, Feng Ding wrote:
> >>>>
> >>>>> Thank you! It seems to be written in Obj-C, do you have a C++
> >>>>> version?
> >>>>>
> >>>>> Best regards,
> >>>>> DING Feng
> >>>>>
> >>>>> On 10/18/07, Sean McBride <sean at rogue-research.com> wrote:
> >>>>>> On 10/18/07 5:22 PM, Feng Ding said:
> >>>>>>
> >>>>>>> The SimpleCocoaVTK link
> >>>>>>> (http://www.rogue-research.com/vtk/SimpleCocoaVTK1.1.zip) seems
> >>>>>>> dead.
> >>>>>>> Could you please email me a copy? Thanks!
> >>>>>>
> >>>>>> Ack!  So it is, I'll try to get it restored soon.  Here's the
> >>>>>> file.
> >>>>>>
> >>>>>> --
> >>>>>> ____________________________________________________________
> >>>>>> Sean McBride, B. Eng                 sean at rogue-research.com
> >>>>>> Rogue Research                        www.rogue-research.com
> >>>>>> Mac Software Developer              Montréal, Québec, Canada
> >>>>>>
> >>>>>>
> >>>>> _______________________________________________
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> >>>>
> >>>>
> >>
> >>
>
>