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General => Image Sharing => Topic started by: luvsmuzik on April 02, 2016, 04:07:02 PM

Title: Haze density or render quality?
Post by: luvsmuzik on April 02, 2016, 04:07:02 PM
I am attaching an image of a render attempting to duplicate "godrays". I am wondering if my settings are incorrect, since i am getting the graininess in the rays, or if it is due to the limitations of the free version. I have used Terragen for over ten years, way back to when you could animate with a script, but not add objects. In this image, the terra is brownish, with effect of lighting and shadow casting the greenish tint. I am okay with that, but I do not like the graininess of the rays. HELP!
Title: Re: Haze density or render quality?
Post by: yossam on April 02, 2016, 04:17:45 PM
What are your settings for atmosphere and clouds................screen shot or post the .tgd if you want.  :)


Someone around here will help you out..................welcome to the forum.  ;)
Title: Re: Haze density or render quality?
Post by: luvsmuzik on April 02, 2016, 04:31:45 PM
I will post the tgd file. Normal settings were a surface layer project with a "hot sun", then turned it into this by messing with settings following an old tutorial about godrays. Percentages and numbers a little different in newer versions of Terragen, but I'm getting the drift. Desert6.jpg is normal sun, no clouds....Thanks for the welcome BTW!
Title: Re: Haze density or render quality?
Post by: masonspappy on April 02, 2016, 05:10:47 PM
Maybe I'm remembering this incorrectly but doesn't " Receive Shadows from Surfaces" need to be checked for Godrays?
Title: Re: Haze density or render quality?
Post by: Kadri on April 02, 2016, 05:14:02 PM

Welcome to the forum.
Try values like 64 ("quality" tab+Number of samples) in the "atmosphere" node.
Changing the quality value to "1" in the Altocumulus layer node helps too.

You can try higher values too if they don't help especially in the Atmosphere node.
Render times will be longer of course.
Title: Re: Haze density or render quality?
Post by: yossam on April 02, 2016, 05:48:09 PM
I did exactly what was suggested by Kadri and masonspappy plus I went up on your cloud density by .01. With the atmosphere density as high as it is............it's going to take some pretty high render and quality settings to get rid of the noise. The render was done at .65 quality and 6 AA............it could stand more.  ;)
Title: Re: Haze density or render quality?
Post by: luvsmuzik on April 02, 2016, 06:16:14 PM
That is the effect I was looking for! i will try those settings and download the adjusted file. I am not sure I can get that much quality with free version, but I'm sure gonna try it. Render time is okay, I am getting more patience through the years. Thank you all very much! (Edit post) Added re render and way old render with old free plugin for foam. Those were the days!
Title: Re: Haze density or render quality?
Post by: yossam on April 02, 2016, 06:38:35 PM
Just be sure you your pic when you get thru............... :)
Title: Re: Haze density or render quality?
Post by: luvsmuzik on April 02, 2016, 07:31:57 PM
I added the re render in post edit along with an old version 9 render with one of those optional plugins for foam.I did have to filter the brightness on the godrays out of program, but hey, I like it. Thanks again!
Title: Re: Haze density or render quality?
Post by: Oshyan on April 02, 2016, 07:46:23 PM
This noise is almost certainly due largely to needing more atmosphere samples. You can generally tell this because the noise is in the atmosphere and is in areas where there is no cloud, thus it is likely to be from the Atmosphere itself. 64 Samples is a reasonable setting. Using higher main render Detail is also ideal, although you are limited in the free version.

- Oshyan
Title: Re: Haze density or render quality?
Post by: luvsmuzik on April 02, 2016, 08:47:17 PM
Woohoo! On a roll. Changed the sun position and even better. I will go off and experiment some more. Thanks again.  :)
Title: Re: Haze density or render quality?
Post by: Clay on April 02, 2016, 09:19:46 PM
Use the defer atmosphere?
Title: Re: Haze density or render quality?
Post by: bobbystahr on April 03, 2016, 04:31:21 AM
Quote from: luvsmuzik on April 02, 2016, 06:16:14 PM
That is the effect I was looking for! i will try those settings and download the adjusted file. I am not sure I can get that much quality with free version, but I'm sure gonna try it. Render time is okay, I am getting more patience through the years. Thank you all very much! (Edit post) Added re render and way old render with old free plugin for foam. Those were the days!

I miss Water Works big time. Everything he produced worked great...wonder when that stuff will turn up in TG modern...they set classic apart from all the others at that time...can y hear the pleading in my voice jo? heh heh heh
Title: Re: Haze density or render quality?
Post by: luvsmuzik on April 03, 2016, 09:40:28 AM
So little time, so many files.....I went back and adjusted the atmosphere quality in several old projects. As Kadri suggested.....wow, what a difference. I do not know how I missed that slider, I always look for those! Godray1 at old settings...number 2 with way more samples in atmosphere. GREAT!
Title: Re: Haze density or render quality?
Post by: luvsmuzik on April 03, 2016, 04:59:36 PM
Quote from: bobbystahr on April 03, 2016, 04:31:21 AM
Quote from: luvsmuzik on April 02, 2016, 06:16:14 PM
That is the effect I was looking for! i will try those settings and download the adjusted file. I am not sure I can get that much quality with free version, but I'm sure gonna try it. Render time is okay, I am getting more patience through the years. Thank you all very much! (Edit post) Added re render and way old render with old free plugin for foam. Those were the days!

I miss Water Works big time. Everything he produced worked great...wonder when that stuff will turn up in TG modern...they set classic apart from all the others at that time...can y hear the pleading in my voice jo? heh heh heh

Here is some real old stuff. Hope the link works.

https://photos.google.com/album/AF1QipP5fNOPrWcUvQXEvmbnlsTNf1BfzjIPov03VWWe (https://photos.google.com/album/AF1QipP5fNOPrWcUvQXEvmbnlsTNf1BfzjIPov03VWWe)
Title: Re: Haze density or render quality?
Post by: bobbystahr on April 07, 2016, 12:40:21 PM
Quote from: luvsmuzik on April 03, 2016, 04:59:36 PM

Here is some real old stuff. Hope the link works.

https://photos.google.com/album/AF1QipP5fNOPrWcUvQXEvmbnlsTNf1BfzjIPov03VWWe (https://photos.google.com/album/AF1QipP5fNOPrWcUvQXEvmbnlsTNf1BfzjIPov03VWWe)

nope
Title: Re: Haze density or render quality?
Post by: luvsmuzik on April 07, 2016, 11:16:27 PM
Try that again.....duh....had to share the link.
Title: Re: Haze density or render quality?
Post by: Dune on April 08, 2016, 02:01:16 AM
Only a f*^#ng google account...