Using World Creator with Height fields, specifically using terrain.party maps.
This is very straight forward and does a great job. The interactiveness and live feedback is great. I’m noticing as I use larger maps/resolution it does start to tax my cpu. There are ways to lessen it’s toll but you are basically like it render/update per operation. It’s more like rendering in World Machine.
This is basically my working thru this tutorial from the World Creator site: https://www.youtube.com/watch?v=gvlgCm4GA8s
This will go into more detail than my explanation. What I do like is this is an easy way to use Terrain.Party to get any height field you want quickly, then run an operation on it so you can instantly up the resolution on it. Just save this file as a template to batch convert each height map.