[vtk-developers] QVTKWidget
Clinton Stimpson
clinton at elemtech.com
Tue Dec 14 16:55:25 EST 2004
Jon H Kaspersen wrote:
>
> Sounds like music in my ears as well....I'd like to try out the MacOSX
> version
>
> Couple of questions:
> Does the Qt4p2 support "full screen" on OSX ?
I'm not sure. I haven't used Qt4p2 on OSX much to say anything about
it. I've looked at the code and they've made great improvements
internally for OSX.
>
> Does the Qt4p2 support stereo in a window ?
QVTKWidget doesn't use Qt's opengl extension at all. It's VTK's job to
do the opengl stuff (or mesa or whatever).
I don't see that VTK supports stereo rendering on the Mac yet.
I think between now and the next VTK release would be a good time to get
better VTK support on the Mac now that Qt4 previews are available.
Clint
>
>
> Regards
> Jon
> On Dec 14, 2004, at 3:57 PM, Wylie, Brian wrote:
>
>> All,
>>
>> There are several QT/VTK widgets out there and I've tried them all...
>>
>> We have a guy working with us.. Clinton Stimpson from ElemTech and he
>> has put together a very nice implementation that IMHO is superior to
>> other implementations....blah...blah...blah...
>>
>> Anyway I would like to add the class to VTK, and will do so in a couple
>> days unless I here otherwise.
>>
>> Here's a description from Clint...
>>
>> QVTKWidget is a package which allows putting a vtkRenderWindow in a Qt
>> GUI. I know there are already a bunch out there, but I didn't like any
>> of them. I thought they were too complicated and awkward for such a
>> simple problem. And also, VTK doesn't have any examples of using a Qt
>> GUI with VTK as it does with MFC and others.
>>
>> To be consistent with the other GUI/VTK integration packages/examples.
>> I'd probably recommend putting QVTKWidget in VTK/Examples/GUI/Qt along
>> with a few examples of using it.
>> On the otherhand, it is more than just an example as it is usable in
>> several projects as-is without any changes.
>> So, perhaps it goes under Utilities with an option to build it.
>>
>> It's design is more Qt-ish design than other Qt/VTK packages. As a
>> result, better Qt integration is possible.
>> The design philosophy is to let VTK do what it does best and let Qt do
>> what it does best. The class name starts with 'Q' to emphasize the
>> Qt-ishness of it.
>>
>> The design allows the following features:
>> 1. Has a designer plugin for rapid development of GUI's using VTK.
>> 2. Significantly less code than other Qt/VTK packages.
>> 3. Can even use the same widget class with image viewer classes in VTK.
>> 4. Instead of using Qt's opengl extension, it uses VTK to initialize the
>>
>> windows. As a result, QVTKWidget is "device independent". For example,
>>
>> on Unix, one can use Mangled Mesa or OpenGL without rebuilding
>> QVTKWidget and use them concurrently in the same application.
>>
>> Other features include
>> 1. Works with all of VTK such as, 3d widgets, interactor styles, scroll
>> wheel events, etc..
>> 2. Works and tested on Windows, Linux, MacOSX, HP-UX, IRIX, SunOS.
>> 3. Supports reparenting (either at the Qt level, or by swapping
>> instances of vtkRenderWindow).
>> 4. Works with Qt3 and Qt4 (preview 2).
>>
>> There are also some examples in using it.
>>
>> *Note: For the MacOSX, there are some exceptions. I made some AppleGL
>> calls to make up for deficiencies in VTK and Qt3. With Qt4, HIViews can
>>
>> be used, but VTK isn't ready for that yet. Once VTK's deficiencies are
>> removed, then most of the MacOSX specific code goes away.
>>
>>
>> Brian Wylie
>> Sandia National Laboratories
>> MS 0822 - Org 9227 - Building 880/A1-J
>> (505) 844-2238 FAX (505) 845-0833
>>
>>
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>> vtk-developers at vtk.org
>> http://www.vtk.org/mailman/listinfo/vtk-developers
>>
>>
> ========================================================
> Jon Harald Kaspersen Mob: +47 93 03 65 90
> Ph.D. Mechanical Engineering
> Senior Scientist
> SINTEF Helse
> N-7465 Trondheim
> NORWAY e-mail: Jon.H.Kaspersen at sintef.no
> WEB: http://www.sintef.no/medtek
> ========================================================
>
>
> ========================================================
> Jon Harald Kaspersen Mob: +47 93 03 65 90
> Ph.D. Mechanical Engineering
> Senior Scientist
> SINTEF Helse
> N-7465 Trondheim
> NORWAY e-mail: Jon.H.Kaspersen at sintef.no
> WEB: http://www.sintef.no/medtek
> ========================================================
>
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