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June 27, 2010
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Calm Hills - Aerial View by phresnel Calm Hills - Aerial View by phresnel
This is one of the examples provided in the current picogen release. It also gives a slight glimpse on how picogen+flora might overally look (but in fact, the terrain is green :P)


About: This image was rendered with picogen, a terrain synthesizer and renderer under heavy development, but already available for the brave. Visit #picogen for more information :)
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:iconmiarath:
Miarath Featured By Owner Aug 31, 2010
Beautiful render. :)
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:iconphresnel:
phresnel Featured By Owner Sep 1, 2010
Thank you very much :)

I hate myself for doing that, but I recently "tested" a friend to compare a photograph I've taken with a similar setting (taken a few 10 minutes before [link]) with a photo-print of this image, and she did not realise that one of those were a rendering with picogen. The photo-quality was not too good (bad supermarket printer), but of course this was a great compliment to me as a graphics programmer :D
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:iconmiarath:
Miarath Featured By Owner Sep 1, 2010
It's a pleasure. :)
Hmm, I guess it's difficult to see the difference if one's not familiar with digital landscape generation -- and then there is the difference the print-out as well.
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:iconphresnel:
phresnel Featured By Owner Sep 8, 2010
I really want to get to the point where I have a hard time making friends believe that the thing they look at is not a photograph :D
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:iconmiarath:
Miarath Featured By Owner Sep 8, 2010
Yes, that'll be awesome. :nod: :)
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:icondpow3r:
dpow3r Featured By Owner Jun 28, 2010
I like the terrain but the sky looks weird/unnatural and the colors are not vivid ,i think you overused atmospheric effects ;) .Btw aperture diffraction effects is very important in outdoor scenes , it is one of the things the brain expect to find it when someone is looking at the sun, it would be nice if Picogen supports it .
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:iconphresnel:
phresnel Featured By Owner Jun 28, 2010
Thank you :)

I think your first point could be mostly solved by finally implementing tone mappers. The sky implementation I use is basically a 1-to-1 port of the original Preetham/Shirley/Smits-Utah-Sky. Of course I might have made errors, but I think in this case it is the end of the rendering pipeline that "fails" .

About aperture diffraction: Would you have a good example for it? Indeed photographic effects/fallacies et al. are very important to me for the future of picogen. Any hint is heplful :)
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:icondpow3r:
dpow3r Featured By Owner Jun 28, 2010
You're welcome :).
here's a link to a nice discussion of aperture diffraction [link]
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:iconphresnel:
phresnel Featured By Owner Jun 29, 2010
Thank you.

So it is basically, in gfxcoder's slang, lens flares?
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:icondpow3r:
dpow3r Featured By Owner Jun 30, 2010
I don't know , it depends on your goals , imo if you're implementing an 'outdoor-renderer' then you should put this on your priority list .
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