I tried World Machine . Maybe haven't dug it deep enough but what I get is rather smooth blurry something working only on steep mountain sides and looking nothing like a river or a stream.
I actually did it years ago with now defunct soft Geocontrol. Couldn't now run it even with winXP compatibility mode. It had a special "river" tool that could make it pretty nicely without much of a user input. Couldn't find anything close to it in World machine.
On youtube I saw a few realtime simulation done on
GPU as a research projects . Sometimes they does look promising.
"Memory issues for resolutions above 4096 x 4096 when using the Adv.
Erosion filters and those utilizing the new Simulation Filters including
the new Flow map system."
Been awhile since I used it, but I would change the hardness of the landmass, and decrease elevation. Look for the Grand Canyon examples.
Thanks for the advice Eric, I think I need to dig WM a bit extra.
As of World Creator I bought it couple years ago just because it's what Geocontrol evolved into. Surprisingly it has nothing like old Geocontrol river tool. And this one in the video lets you make a kind of water river with banks but nothing like old dried out stream through sand/clay type of soil . They have a water simulation tab but it also working noting like that, rather like a in game low res water simulation.
Thanks Eric for the picture and link. Looks nice indeed but I want the main river stream separating into to multiple smaller streams in turns and intertwining each other with a bit of real physics hint . Like a real stream changing its course sometimes through its sandy bed.
I've had good feedback on gaea from our terrain artists, mainly around speed and ease of use over worldmachine.
I'd use designer tbh. Given a flow map you could produce some pretty plausible results
Thanks poopipe. The soft looks really promising in many regards. I have a question. Why when I try to output in higher resolution it seems like doing kind of irregular tiling instead of doing really more hires image? Is it supposed that way?
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Do you have any examples? I have a feeling it's never going to be quite realistic there without complex particle simulation
https://www.world-machine.com/blog/?p=567
I'd use designer tbh. Given a flow map you could produce some pretty plausible results