How to make a minimap?

As the title,how to make a minimap?

This worked for me:

http://forum.unity3d.com/threads/71334-Help-Mini-map

heres another:

http://forum.unity3d.com/threads/111510-Creating-a-Basic-Rounded-MiniMap-in-Unity

Thank you very much.

There is also a powerful one in the asset store.

Ok, thx.

Yup, there’s a very good minimap asset that I use on the asset store, made by fholm.