[Insight-users] exception in itkFastMarchingImageFilter.txx

[Luis Ibanez]

Hi Silviu,

Exceptions are thrown in ITK filters when the filter
encounters an error condition and it doesn't have a
mean of solving it.

This is the case of the UpdateValue() method that you mention.

Catching Exceptions is the responsibility of your application,
and the resolution of the problem must be done at the level
of your application too.


Probably the only situation when this specific error condition
can appear is when the speed image passed to the FastMarching
filter has inconsitent values.

If you ever get this exception, you should take a very critical
look at the speed image that you are passing to the FastMarching
filter.


Please let us know if you have further questions,


   Thanks


      Luis


----------------------
Silviu Minut wrote:

> Hi all,
> 
> I have a question about the Fast Marching algorithm. In
> itkFatMarchingImageFilter.txx, in function UpdateValue, the update
> equation is being solved. An exception is being thrown if the
> discriminant is negative. Where is this being caught? What does one
> do about it?
> 
> Thanks!
> 
> 
> 
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