[Paraview] January snapshot of ParaView III

[Wylie, Brian]

Some additional comments....

If you want to compile, use, modify ParaView III (in-house), then using
the GPL version of Qt is totally fine.

If you want to make a 'patch' to ParaView III, and then submit that
patch back to the main developers, GPL version is totally fine.

If you want to do 'large scale' development on ParaView III and then
contribute those changes back to the core project you have a have
commercial Qt license.

  Brian Wylie - Org 1424
  Sandia National Laboratories
  MS 0822 - Building 880/A1-J
  (505)844-2238 FAX(505)845-0833                       
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                                    Unleash the Beast
 

> -----Original Message-----
> From: paraview-bounces+bnwylie=sandia.gov at paraview.org 
> [mailto:paraview-bounces+bnwylie=sandia.gov at paraview.org] On 
> Behalf Of Berk Geveci
> Sent: Wednesday, January 31, 2007 8:44 AM
> To: Bonnie Smithson
> Cc: paraview at paraview.org
> Subject: Re: [Paraview] January snapshot of ParaView III
> 
> On 1/23/07, Bonnie Smithson <bonnie.smithson at otismed.com> wrote:
> > I found out that a commercial license for Qt is over $3000. 
>  If I cut 
> > over to Qt, will I have everything I need to work with it 
> in the GNU 
> > implementation?
> 
> Yes. We make sure that ParaView compiles with the GPL 
> distribution of Qt. However, I would not advise using the 
> GPL'ed version unless you are doing open-source or in-house 
> development.
> 
> > Why did you change to Qt from KW Widgets?  Is there some 
> feature they 
> > lacked?  Or is a matter of the fact that some developers at Sandia 
> > National Labs and Elemental Technologies preferred it?
> 
> It wasn't an easy decision. Honestly, I still had my doubts 
> when we first switched. However, after working with Qt for 
> over a year now, I am very glad that we did. It is a very 
> mature and wonderful toolkit.
> It provides many things KWWidgets does not. This is not 
> surprising given that amount of effort that goes towards it 
> is much bigger. Some of the reasons to switch:
> 
> * Qt is very mature, widely used and very well documented. 
> This makes it much easier for new developers to learn. 
> Therefore, it opens up ParaView as a development platform to 
> more people.
> * Qt has a much larger set of modern widgets.
> * Qt has support for things like database connectivity (we 
> are already using this in the infovis area).
> * Qt supports OS X look and feel  as opposed to X11 look and feel.
> 
> --
>  Berk Geveci
>  Kitware Inc.
>  28 Corporate Drive
>  Clifton Park, NY, 12065
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