Quote - Okay, here we go!
1 - In Vue, create a terrain - made mine 2048 in size - and smooth it out, and Export it as a BMP.
2 - Open Photoshop, bring up the BMP image and convert it to RGB (Mode>RGB) as it starts out as Indexed color. This will allow you to make more layers and change things in an editable way.
3 - Create a new Layer (Shit+Ctrl+N for PC / Shift+Cmd+N for Mac) and get your Pen tool (hit the letter P) and create a path where your road will travel - YES there's a resnoe to use the path tool, but it's for texturing later - you COULD just use a hard brush if you really wanted.
4 - Go into the Paths tab in the Layers pallete (bottom right in the picture) and click the little right arrow and choose Save Path.

Hi Lew. I can't find a good way to smooth the terrain as said in point 1. I've tried to load a terrain I've done in an other program, I've tried to apply the "Eroded" on the left panel but it creates stranges vertical lines (like the one done by water in the rock). I've tried to apply a function (noise smooth) but the result isn't the expected. Could you please tell me how to do that ?

Thanks