General OpenTTD • is there a way to place rivers externally with a scenario?

i am making a large heightmap of north america. say i have a raster file of the same resolution and projection as my heightmap, which marks each pixel that would have a river. is there a method, similar to the one which can be used to place towns, to transfer some sort of table containing each of those pixel coordinates into a scenario?

Statistics: Posted by GelGiGue — 04 Mar 2026 17:38