How I have to number size?

I did this tutorial. Importing Real World Heightmaps into Unreal Engine - YouTube

Problem is that I have only automatic generated subtittles and I know only read english. I cant understand how it number. I want it use approximately for 10 KM region.

My first try.


This tutorial is with subttitles. Importing Real World Locations Into Unreal Engine 4 - Beginners Tutorial UE4 - YouTube

Will be it function with my 10 KM region (centre Europe) ?

1 Like

I want only this red rectangle. How I can get this landscape ?