[Insight-users] NeighborhoodIterator

[Hernan Ledesma]

Hi,

I'm reading The ITK Software Guide: Neighborhood Iterator.

I don't undestand this:

NeighborhoodIteratorType::OffsetType offset1 = {{-1,-1}};

  Why are there two nested curly braces?

  Is offset1 a multidimensional array?

thanks!