[Insight-developers] interrupting filter execution

[Jim Miller]

Paul,

We should revisit your GetInverse() needs.  At a minimum, we should figure
out a way so that you do not need to patch files in the ITK release.  Can
you
tell me again what files you are patching and what the patches are?

Jim

On 7/21/06, Paul Koshevoy <koshevoy at sci.utah.edu> wrote:
>
> Miller, James V (GE, Research) wrote:
> > Paul,
> >
> > Just realized why I was confused by your solution.  I had started
> working
> > on this issue a few months ago but hadn't gotten around to testing it on
> a
> > multiprocessor system. I was doing this just before a release.  I missed
> the
> > release date and never got back to it.  I had similar code already in my
> > copy of the ProgressAccumulator.
> >
> > However, it turns out that the solution is a bit more complicated that
> either
> > of us initially discovered.  I think where you are having long delays on
> the
> > abort is due to the abort operation being done on the outer filter and
> not
> > on the inner filter.  So the ProgressAccumulator shouldn't be the one
> throwing
> > the ProcessAbort but rather should be propagating the abort flag to the
> > appropriate inner filter.
> >
> > We'll check in the fix on Monday.
> >
> > Jim
> >
> Thanks Jim. So, is my fix dangerous besides being sub-optimal? Will I
> have to wait for the next ITK release to get the correct fix, or is this
> a fix confined to ProgressAccumulator so I can backport it into ITK 2.4.1?
>
> BTW, I am still sitting on my code for a more flexible ITK transform
> GetInverse API -- allowing the inverse to be of a different type from
> the forward transform. I need this functionality in order to support
> numeric inverse transform of my bi-variate Legendre polynomial
> transform. Is there any interest in accepting this into the ITK? So far,
> I've been patching my changes to the 5 affected files by hand every time
> I upgrade to a new ITK release.
>
>      Paul.
>
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