[Insight-developers] Re: Yesterday's changes

[Joshua Cates]

Hi Mark,

This will be a useful change.  Thanks.

Josh.

On Tue, 22 Apr 2003, Mark Foskey wrote:

> Note to the list: I've been changing code related to the Danielsson 
> filter, and it's been causing problems.  I'm pulling the list in to the 
> discussion with Bill over this.
> 
> Lorensen, William E (Research) wrote:
>  > There seems to be a 1 pixel outline around the resulting image.
>  >
> ...OK, that was my fault.  (Well, obviously...)
> 
> I modified the behavior of the filter and didn't tell anybody.  I 
> thought that filter didn't yet have a comparison against a baseline, 
> and I modified it to produce the distance filter for the whole image, 
> rather than for all of the image except for a one-pixel boundary, as it 
> did previously.  So it was the baseline image that had the one-pixel 
> boundary.  This boundary was causing problems for some of our research 
> projects, and I saw a way to modify the ReflectiveImageRegionIterator 
> to get the distance for the whole image.
> 
> Actually, the [0, 0] pixel in the image is still incorrect, I have 
> realized later this afternoon, although all the others look to be 
> correct.  I intended to fix that tomorrow.
> 
> I have Cc'ed the list on this, since perhaps I should have written the 
> list about this to begin with.  If people object to the whole proposal 
> we can revert my changes.
>