Of all software I use or come across, Terragen is definitely the one with almost no video tutorials, and this hasn't changed for many years.
I started with the PLE a few years ago, then parked it because there were no tutorials. Yes there is geek at play / vladimir chopin, Let's not talk too much about that, let's thank the guy very much (covers some basics) and let's keep it at that.
2 years later bought the license in a hope to get it started, then I've parked it again, because there were no tutorials.
How come over so many years there are consistently no tutorials. some parts of the documentation are clearly outdated showing screenshots of older versions, parameters defined with TBC..
There is just about enough to find your way in the interface. I can confidently say I have no clue how to get one step further.
I see interesting cliffs, 0 tutorials.
It seems to have interesting clouds, 0 tutorials
Anything you may want, 0 tutorials.
While I'm advancing at the speed of light on the most complicated VFX software on the planet (Houdini), my beginner/interface level in Terragen is the same for many years and there is no sign it will ever be better.
Just search for anything and add the word "Houdini", you will be shocked at how many tutorials there are and they cover it thouroughly, enough to make you an expert, enough to make you love it.
Now take anything Terragen does and search for a tutorial.... you'll find nothing. I guess for the coming decade it won't change but I have no idea why?
I have a film production company trying to build in-house vfx.
Imagine you buy production equipment and set up your factory. All machines have user manuals except one.
Wouldn't you be surprised today (December 2018) if you were asked to put the factory on hold, and start experimenting and discovering with trial and error without user manual how this machine works, while all other machines are readily usable.
It's about the factory, not the machine. The objective is not to learn Terragen, the objective is to make Visual Effects for our own films . We were told Terragen was good at what it does, but this machine is put on the side in the factory, collecting dust.
P.S. Just to clarify what I mean, a tutorial is one that teach you the techniques to achieve a result you can use in a film. Referring to video tutorials made mostly by users but also some by the company.