I have a high and low poly version of a terrain. The idea is this

`low_poly_terrain + displacement.exr  =  high_poly_terrain`

I want an displacement images map that I can apply to the low poly terrain so that at render time the two are indistinguishable.

[![enter image description here][1]][1]



[<img src="https://blend-exchange.giantcowfilms.com/embedImage.png?bid=995" />](https://blend-exchange.giantcowfilms.com/b/995/)

  [1]: https://i.sstatic.net/ZEdkg.png