Hey Patrick,
As promised, I’d come back to this topic! Here I’ve made a river that has an increasing bankfull width, combined with the Create Water device.
So, how does this work? Well, the part with the Create Water device is already explained above, so I won’t cover that again. To manipulate the properties of the river, you need another device, namely the Reach Character device, which allows you to transform/alter the characteristics of your river with a set of parameters and Curves devices.
So, I’ve taken a low frequency Sinusoidal Curve and linked that to the Bankfull Width port of the Reach Character device (red circled area). I had to use a low frequency because otherwise the river would decrease in width again (see below for a very extreme example of that). I will also upload the .tmd file (28.1 KB) for you to mess around with. The River device is quite tricky but extremely powerful, have fun!
