My question is what methods are there to "zoom in" on a procedurally generated map using Perlin Noise (or Simplex).
If I have for example this generated
and I wanted to "zoom" into that little red square I drew, how could I achieve something to the likes of this (ugly drawn) example:
While staying true to the terrain above? I have heard of 3D methods but couldn't find any meant for 2D maps.
Any advice or help would be appreciated.