selection crazy hills

Hi. Ok I made a selection of those that are getting closer.

- What I want to do is cut LESS HILLS .. maybe one big hill we cut real deep (so high glass), and five cut a bit in total.
- then I want to PUT a red grid over the grass... so it becomes a diagram again .. You know from top looks normal straight x-y grid. From the side the lines go up and done over the hills.