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General => Image Sharing => Topic started by: Njen on July 13, 2007, 08:39:49 AM

Title: Sunset Field
Post by: Njen on July 13, 2007, 08:39:49 AM
It's been a while, but I finally have something else to show.
Enjoy!

Title: Re: Sunset Field
Post by: Will on July 13, 2007, 08:45:53 AM
hey buddy been awhile! Great work the lighting is perfect (but I should expect that from you) and the terrain is great, nice use of trees.
Title: Re: Sunset Field
Post by: rcallicotte on July 13, 2007, 09:09:56 AM
Nice job.  Beautiful and believable.
Title: Re: Sunset Field
Post by: old_blaggard on July 13, 2007, 09:28:26 AM
Fantastic job!  The sky is one of the most believable I've seen in a while, and the subtle colors in it are beautiful.  I also really like your trees' distribution.
Title: Re: Sunset Field
Post by: Oshyan on July 13, 2007, 01:25:51 PM
The subtle lighting and colors in the sky are really fantastic. Excellent work!

- Oshyan
Title: Re: Sunset Field
Post by: moodflow on July 13, 2007, 01:51:56 PM
Nice work!  I thought the sky was a photograph at first.  That's always good news.
Title: Re: Sunset Field
Post by: Saurav on July 13, 2007, 07:56:08 PM
Excellent results, the image looks photo realistic, especially the lighting and the clouds.
Title: Re: Sunset Field
Post by: Mavcat on July 14, 2007, 04:02:34 AM
Very nice lightning! :D
Title: Re: Sunset Field
Post by: sjefen on July 14, 2007, 04:26:35 PM
Fantastic image. Amazing sky and clouds.
Title: Re: Sunset Field
Post by: mrwho on July 14, 2007, 05:52:30 PM
 :o :o really spectacular, definitely belongs in the Official Gallery
Title: Re: Sunset Field
Post by: efflux on July 14, 2007, 08:03:58 PM
Very nice work.
Title: Re: Sunset Field
Post by: Njen on July 16, 2007, 01:41:08 AM
Thanks for all the kind words, and for the opportunity for it to be the Image of the Week this week. Though I would have never been able to make it without all of the questions being answered by lots of others on this forum, thanks all!

Cheers.
Title: Re: Sunset Field
Post by: sjefen on July 16, 2007, 01:50:39 AM
Congrats with image of the week. Well deserved.
Title: Re: Sunset Field
Post by: Volker Harun on July 16, 2007, 05:38:51 AM
Agree with the above ,-)
Title: Re: Sunset Field
Post by: Lucio on July 16, 2007, 10:33:01 AM
Truly impressive. Congrats!
Title: Re: Sunset Field
Post by: Mavcat on July 16, 2007, 11:31:27 AM
Congrats ^^
Title: Re: Sunset Field
Post by: nvseal on July 22, 2007, 11:29:22 PM
Wow, this is great!
Title: Re: Sunset Field
Post by: EmDee1 on July 23, 2007, 06:32:10 PM
Great picture! Sky is beautiful painted and I like your choice of the fore-ground: dark, grassy, "empty", but a lot going on there.
Title: Re: Sunset Field
Post by: NWsenior07 on July 23, 2007, 10:37:19 PM
I love the sky, it is one of the best I've seen period. Well done!
Title: Re: Sunset Field
Post by: inkydigit on July 24, 2007, 02:26:27 PM
agree with everyone...beautiful!
Title: Re: Sunset Field
Post by: moodflow on July 25, 2007, 11:19:50 AM
Hi Njen,

Any stats on rendertime, detail levels, etc?

Many thanks in advance...
Title: Re: Sunset Field
Post by: Njen on July 26, 2007, 09:32:27 PM
Sure :)

Detail: 0.92
Anti-aliasing: 10
GI relative detail: 2
GI sample quality: 1
GI surface details: on

I actually rendered two passes, because I couldn't get the right amount of sunlight on the geometry only, without affecting the sky in one render. So in the main pass, I just rendered everything as I had normally set up, then in the sun pass, I turned off the atmosphere, turned off the Environment light, and increased the intensity up to around 10. The render time was (Athlon 64 3700+, 2gb ram laptop) around 18 hours for the main beauty pass and 6 hours for a sun pass. There is a little post work done in combining the layers and a little colour correcting.
Title: Re: Sunset Field
Post by: rcallicotte on July 27, 2007, 10:43:22 AM
@njen - very interesting (10AA!) details.  I've never done a two pass render.  I think I'll try it today to see what we can do.
Title: Re: Sunset Field
Post by: Njen on July 27, 2007, 10:26:09 PM
I increased the AA only because the tree leaves looked quite noisy.

This is for those who don't quite understand how anti-aliasing/pixel sampling affects your render (Disclaimer: I am not 100% sure that Terragen works in the same way as other 3D renderers, but I am assuming so, as AA is a pretty common process and it's goal in various renderers are usually the same).

Say if you have 3 geometric faces that occupy the area of two pixels. A very low AA setting will sample less points and return a value for your pixel that may not look exactly right. A higher setting will sample more points in the pixel, returning a better average of what colour the pixel should contain. Below, on the left the pixel is only sampled once, resulting in quite different values for adjacent pixels. When these pixels are viewed at 1:1 on your screen it will look quite noisy. In the example on the right, the pixels are sampled more times, returning more accurate values, and reducing the contrast between the pixels, thus reducing the noise.

This mainly applies to fine detailed geometry. Having noise in your atmosphere, for example probably won't be entirely fixed by increasing AA, though it may help.
Title: Re: Sunset Field
Post by: rcallicotte on July 28, 2007, 10:51:33 AM
Thanks njen.

Have you read this book or heard anything about it? - http://www.amazon.com/exec/obidos/tg/detail/-/0240519353/ref=ord_cart_shr/103-3339306-1319019?%5Fencoding=UTF8&m=ATVPDKIKX0DER&v=glance

I'm about ready to buy it, after I finish a couple of others.