[vtk-developers] [vtkusers] Problem with vtkClipPolyData

[Bill Lorensen]

Sean,

I did discuss this at the last ARB (just at the tail end). I am
certain we will not add code that relies on lgpl code. However, we
want to find an easy way for users to get and integrate these types of
algorithms.

Bill

On Thu, Oct 28, 2010 at 1:11 PM, Sean McBride <sean at rogue-research.com> wrote:
> Bill,
>
> We've been looking at this a little more, and GTS itself has some
> dependencies, namely:
>  - glib (LGPL)
>  - gettext (LGPL)
>  - libiconv (LGPL)
>  - freepkg (BSD)
>
> Though only glib (and gts) were actually needed at link time in our usage.
>
> Convincing _all_ of them to change license or dual-license may be hard. :(
>
> Do you know if there is already in bug in mantis for the lack of a
> PolyData/PolyData clipper in VTK?  If not, we can create one.
>
> When is the next VTK ARB meeting?
>
> Cheers,
>
> Sean
>
>
> On Mon, 4 Oct 2010 15:45:10 -0400, Bill Lorensen said:
>
>>Sean,
>>
>>LGPL is not compatible with the VTK license. The best we could do is
>>make it easy for users to build it, possibly as an optional download.
>>We do this in itk with some 3rd party FFT lib, although I don't think
>>we have done a good job of it. git may offer us a good way to share
>>valuable vtk and itk journal apps. I know that Stephen Aylward is
>>looking into a better IJ code sharing process as part of his ITKv4
>>work.
>>
>>Another alternative is to try and convince the 3rd party developers to
>>change their license.
>>
>>I'll bring it up at the next VTK arb meeting.
>>
>>Bill
>>
>>On Mon, Oct 4, 2010 at 2:57 PM, Sean McBride <sean at rogue-research.com> wrote:
>>> On Mon, 4 Oct 2010 14:18:31 -0400, Bill Lorensen said:
>>>
>>>>You are correct. vtk does not have a PolyData/PolyData clipper. The
>>>>article suggested by Eric works great and is easy to build. It does
>>>>rely on third party libraries that are LGPLed, so keep that in mind.
>>>
>>> Bill,
>>>
>>> What are the prospects of getting that VTK Journal submission into VTK?
>>>
>>> Would GTS' use of the LGPL be a problem?  Would there be a problem
>>> having yet another 3rd party lib in VTK?  (I'd never heard about GTS,
>>> but I poked around their website and it looks to me that the project is
>>> not at all active.)
>>>
>>> Thanks,
>
>
>