[Insight-users] Code integration and code design - Question

[Steffan]

Dear Matt and Steve, 

Thank you for your answers and your time.
They were very useful.


Regards
-- 
Stephane


On Wednesday, 14 November, 2012 at 12:42 PM, Alexandre GOUAILLARD wrote:

> Dear steve,
> 
> That's a very good point.
> 
> Yes, we saw the warning. We have implemented a very simple test for the robustness, which actually test both normal ITK, and the new code with 4 points lying on circle, and adding an arbitrary small number to the 4th point coordinate, and we could not find a platform where this was a problem. We tried linux with gcc 4.2, mac with both gcc and clang, and windows (xp, 7) with MSVC 2005, 2008 and 2010. 
> 
> Now, that does not mean there is no problem. If you had a good test to exhibit this problem, we would be happy to implement it in the module, and modify the design accordingly if needed. We just haven't found the need yet. 
> 
> Again, this is a very good point, and you might want t omake a short, quick review of the paper on Insight Journal to point this out.
> 
> thanks again,
> 
> alex. 
>  
> 
> 
> On Tue, Nov 13, 2012 at 7:14 AM, Steve M. Robbins <steve at sumost.ca (mailto:steve at sumost.ca)> wrote:
> > On Mon, Nov 12, 2012 at 04:56:13PM +0800, Steffan wrote:
> > 
> > > * To test the orientation of vectors, we are using a library in C
> >     that we have wrap into some ITK function. This library is a single
> >     file, done by Jonathan Shewchuk
> >     (http://www.cs.cmu.edu/~quake/robust.html) under public domain.
> > 
> > I presume you've read the Warning on that page about extended
> > precision.
> > 
> > In my past experience with this code, this has always been the
> > trickiest part of using it -- especially in a portable manner.  I'm
> > curious about your plan to handle this, especially in a
> > general-purpose library like ITK.
> > 
> > Regards,
> > -Steve
> > 
> > 
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