Thanks George
Scene units is in Meters and scene is build to scale. I have tried with a sim that covered the entire island, but got weird results. Water would still be generated inside the island volume and interaction was odd. Plus it takes a long time to sim (sadly my 3990x is not great for the sim, but more the render time.
I have tried to make a copy of the island geometry and made sure it was a solid object. Then added that to the include list. But that doesn’t do anything. Then the sim is not interacting with anything at all when I use the include/exclude list. And yes, I’m sure it was the include and not exclude list :)
I’m also getting so many crashes it’s crazy. Even without running the sim or rendering. As soon as a Phoenix sim is present in the scene, it doesn’t take long until Max’s UI bugs out (properties of objects and materials suddenly only show the “category tabs” but not the elements in each category. Be it the sim, an editable poly, material’s settings etc. See screenshot. First attachment shows the bug is "about to happen" as some of the dropdowns now won't do anything. If I then deselect the sim and select it again, it duplicates some of the categories (see attachment 2). Soon after a crash will happen. (Max 2020, Vray 5 and Phoenix 4.0005 I think) the latest stable Phoenix releases makes it crash even without the sim.
I have watched the big wave tutorial many times and tried to install the nightly vray5 and Phoenix for max2021, it works okay, but also the occasional crash, problem here is I need to use a cloud farm to render the project and then I don’t think it will work with the nightlies right?