Hi All.

I created a terrain that is 512x512 at co-ordinates 0,0,10
I placed a sphere at co-ordinate 0,0,50 and a 2nd sphere at 512,0,50.

Why is my 2nd sphere only a fraction along the edge of the terrain?  What am I missing?  Is 512x512 the resolution and not the size of the terrain?  If so, where do I specify the size of the terrain.

Also, what does 1 unit represent.  Is it inches, or cm?  It clearly isn't metres.

Thanks in advance.