[ImageJ-devel] OffsetImg

[Johannes Schindelin]

Hi Lee,

On Thu, 2 Jun 2011, Lee Kamentsky wrote:

> I have this case - you have some region of interest represented by a 
> binary bitmap and the bitmap, for one reason or another is offset in 
> space (In Yiddish: it's "in mitten drinnen", don't know if that 
> translates to German and there's a good chance that the way it was used 
> in my family is the exact opposite of its literal meaning)

That sounds Yiddish alright, and I think Germans do understand it. But 
then, it might also be just due to my family that I am familiar with a 
couple of Yiddish terms...

> but otherwise is best suited as an array. You don't want to represent it 
> using an ArrayImg<BitType> because everything from the origin to the 
> first pixel will be uniformly false, otherwise, the ArrayImg is the 
> right choice. The obvious solution here is to have some sort of adapter 
> object to hold the Img and for it to do some lying about where the thing 
> is in space - every Localizable and Positionable needs to be wrapped in 
> something that adds or subtracts the offset.
> 
> Is that a reasonable thing to add to Imglib? Where would it live and 
> what would you call it? Also, an Img isn't Localizable and Positionable 
> and perhaps this thing should be?

Would it maybe work if you used an "offsetting" View of an ArrayImg?

Ciao,
Dscho