On Wed, Jan 13, 2016 at 10:13 AM, jmh530 via Digitalmars-d-learn <digitalmars-d-learn@puremagic.com> wrote:
On Tuesday, 12 January 2016 at 21:48:39 UTC, Per Nordlöw wrote:
Have anybody been thinking about adding a scale-hierarchy structure on top of ndslice?

 What is a scale-hierarchy structure?

https://en.wikipedia.org/wiki/Mipmap

but isn't it out of scope? 
Looks like it would belong more to an image processing library (building on top of ndslice)