Crash while rendering if you adjust base colour sliders

rajm · November 02, 2015, 07:24:21 AM

I can replicate this fairly easily by

Open new project
Start render and while that's happening
Goto shaders and the colour tab of base colours and drag the apply low colour slider up and down 2 or 3 times and it crashes

Doesn't appear to happen if you don't have a render running.
TG 3.3.04.0 (32 bit Ubuntu 15.10 and running under wine and also with 64 bit Vista)
Maybe this relates to the http://www.planetside.co.uk/forums/index.php/topic,19378.msg190278.html#msg190278 discussion?

Dune · November 02, 2015, 07:27:48 AM

I don't think that's very strange, as you are changing something while rendering.

rajm · November 02, 2015, 07:38:08 AM

The geek at play tutorials which come with terragen 3 encourage this mode of working - maybe they shouldn't?

Dune · November 02, 2015, 12:29:05 PM

Never saw those tuts, but maybe not, indeed.

Oshyan · November 02, 2015, 03:53:32 PM

Strange rajm, I wasn't aware the tutorials encouraged that. Which one(s), specifically? I'd like to take another look and see what's being suggested.

- Oshyan

rajm · November 03, 2015, 03:38:30 AM

In 10-Creating-First-Scene-In-Terragen3-Part-One.mp4 at around 2'30" he talks about the convenience of running render in the background whilst still editing the network.

WAS · November 03, 2015, 08:03:40 PM

You are free to re-arrange your network I believe, but anything that effects the on-screen rendering has a chance of crashing. Sometimes the renderer will stay alive and render the new settings but I find that rare. I often forget about renderings running in the background.

Dune · November 04, 2015, 02:32:03 AM

I've had an occasion where I changed the position (or color, I don't remember) of an object still 'unrendered' in a large render halfway done. It continued rendering until that bucket was due, then it stopped.

N-drju · November 05, 2015, 07:10:22 AM

From my experience it is not a very good idea to change anything once you hit the render button, especially heightfields or populations. Even the most stable system may fail then.

Just make all adjustments that you need and wait for a render preview, then change setting if necessary. Consider render button as a point of no return!

Tangled-Universe · November 06, 2015, 06:15:12 AM

Without being or wanting to be disrespectful...
The guy behind geekatplay doesn't have a really long history/track-record with TG, so I'm afraid it's a kind of workflow he thinks is fine, possibly because he isn't fully aware of how it works.
However, as others have stated here, it is definitely not recommended to tinker with parameters during rendering.