[vtk-developers] Tcl wrapping and output array arguments

[Andrew Maclean]

Hi David & David,
   I'm happy to volunteer to convert TestSetGet and TestEmptyInput to
python.
   The code looks pretty arcane! Looks like Ken Martin originally wrote it
in 2001!
Regards
   Andrew

---------- Forwarded message ----------
> From: David Gobbi <david.gobbi at gmail.com>
> To: David Lonie <david.lonie at kitware.com>
> Cc: VTK Developers <vtk-developers at vtk.org>
> Date: Thu, 19 Mar 2015 15:54:22 -0600
> Subject: Re: [vtk-developers] Tcl wrapping and output array arguments
> On Thu, Mar 19, 2015 at 2:28 PM, David Lonie <david.lonie at kitware.com>
> wrote:
>
>>
>> My questions:
>>
>> 1) Is the concept of an "output array argument" even supported by Tcl?
>>
>
> Yes.  I imagine something like this could create a new array called
> "bounds":
>
>   % mapper GetBounds renderer bounds
>
>
>> 2) If so, how can I teach the wrappers about it?
>>
>
> Adding things like this to Tcl is easier than for Java or Python, but it's
> more than an afternoon's work.  I believe that Tcl will already wrap this
> method, but the wrapped method will expect 6 values as input, instead of
> expecting one name for an output array that it should create.  Because the
> wrappers can't really tell whether "double[6]" is meant to be used for
> input or output, the method will actually have to be wrapped twice, once
> for input, and once for output.  There are undoubtedly some tricky
> complications that I haven't though of, however.
>
>
>> 3) If not, is there some way to add a suitable implementation to Tcl, but
>> not C++?
>>
>> And perhaps the most curious question from my point of view,
>>
>> 4) Why do we still provide Tcl bindings in 2015?
>>
>
> Because they're cool!  Actually, at this point I'm fine with them going
> away, but I'd still like to keep Tkinter (which works just fine without the
> Tcl wrappers).
>
>
>> But seriously, can we deprecate them for 6.3?
>>
>
> Any volunteers to convert TestSetGet and TestEmptyInput to python?
>
>  - David
>
>
>
-- 
___________________________________________
Andrew J. P. Maclean

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