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Winter Woodlands
For testing purposes if the IBL I tried to work with known scenes so as to make it easier to decide what the new system was bringing to the lighting. This is a "Blue Bellwood"esque image. I did my best to recreate the scene - unfortuantly due to the old and evil tree bug (which is now fixed) I was not able to import my old scene to do this test. To emphasise the "all around" nature of the .hdr based lighting, I created a thick canopy of twigs makind this quite a complex image. I think it took a couple of days to render under that particular incarnation of the IBL - things have been streamlined a bit since then, but given the number of lightsources involved, I think for complex images it will be necessary to think in terms of days rather than hours. You don't get something for nothing.
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I think it is something we are going to have to face sooner or later as digital artists, as the technology advances, it will become a matter of a few clicks to produce photo-realistic images. Ok, maybe not this year or the next, but soon. At that point we will have to sit down and seriously poinder our subject. For now, the challange is to make things "realer" well... not always, but much of the time, that is the challange. But when that is easy, then... what then? Yes, it was the beach-probe again, of all the hdr's from Pauls site, that is my favourite is has a nice balance of rich colours and the light arrives from a fairly wide angle of the sky - about 120 degrees.
Secondary light Image based lighting provides a sense of light from more than just one direction. It addresses some of the issues of GI by providing softer shadows and some secondary illumination. The sense of depth to the piece is markedly higher as there is more secondary light for illumination. If you do have ambient channel settings employed, they are very minimal, and probably completely unnecessary with the IBL. The realism is much greater in this scene mostly because of the more evenly spread light, but also becasue it is not as blue colored over-all, meaining it looks less brycey. This is a much warmer render. If this took days with no leaves, I can only imagine the added time standard leaves would take. Couple that with some foliage transparency mapping I invented, and oh my God, a week long render or more if you go for full physical realism!! The results are indeed worth it for professional type works, and I think Bryce6 will finally become a tool professionalas in the biz might give a second look. The ibl does help alot. Thank you for the outdoor render at my request. It almost makes me want to round up a bunch of people and see what kind of short movie we could render with Bryce6. No time, no money, and no storyline, so no luck. It's a nice improvement.
It is interesting to have something familiar to compare with. Did you use the beach_probe for this, I wonder? Whatever, it is superbly lit. The trees are much better than in the earlier versions. The snow is very convincing.