By modifying a default zoom, I reached a nice result (for me):
The next step is to color the background drivers field according with their lane.
Since the "lane" field has dinamic background, I took a look into the [my_zoom]_dw_[x].zoe, copying every information about the background from the "lane" row and paste them to the "pilote" row.
...when i try to modify that firls with right mouse button, the dinamic color disappear.
I'm sure that there's a missing parameter.. but I have no idea which is.
Every one of you tried (and found) someting like that?