Creating a simple terrain using Unity Terrain

Hi everyone

      First assignment is about how to create a simple terrain using Unity Terrain. Unity Terrain is a very easy and useful terrain tool, and this assignment may talk about the base functions of Unity Terrain.

     First step:  add a terrain:

  Second step: raise and lower terrain

      or: you can set special hight number for your terrain by using second bool

third step: smoothing your terrain

Fourth step: add Texture 

add tree and grass: