Re: [OctDev] bwlabeln "finished"

[Kris T. <kri...@gm...>]

On 07 September 2012 12:55 Carnë Draug wrote
> On 7 September 2012 13:06, Kris Thielemans  wrote:
> > I have only 1 problem. In my matlab code, I normally pass a (double)
array
> with 0,1 to bwlabeln. This doesn't work for your implementation:
> >
> > bwlabeln(ones([2,2,3]))
> > error: bwlabeln: first input argument must be a 'logical' ND-array
> >
> > I can fix this by converting to bools of course
> >
> > bwlabeln(ones([2,2,3]~=0))
> >
> > but for matlab compatibility, ideally bwlabeln would do that itself. The
> same holds for bwlabel by the way.
> 
> What does matlab do if the double matrix has values different from 0 and
1?
> 

It seems to compare with 0 as I do above. For example, the following 2 tests
work in matlab 2011b

tmp=ones([2,3,4]);tmp(2,2,2)=.3;isequal(bwlabeln(tmp),ones(size(tmp)))
tmp=randn([2,3,4]);isequal(bwlabeln(tmp),tmp~=0)

Kris