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BryceTalk (Tues) Bryce Lights
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BryceTalk (Tues) Bryce Lights, July 6, 1999AuntiAlias: We have a LIghting Round Table discussion panel here! FSUGary: what are you writing it in? I could possibly help if you need Journeyman: Visual Basic FSUGary: ahhh Rivak: we're nowhere pb Journeyman: nope, should be ok FSUGary: cool ok, offer stands :) AuntiAlias: Journeyman, the master of Volumetric lights, is with us, and Clay, the crazed Bryce-till-you-drop artist, is with us, too! Journeyman: it will be a little bit slow (ten seconds for your waves) hey hey Clay: heheh Rivak: we're prepping for the discussion... ie coffee Journeyman: now there is a title AuntiAlias: So... let's get underway! MacGuru: lets FSUGary: <takes a gulp> READY! poserbryce: I am the, uh, what is my little long nickname, aunti? AuntiAlias: How about, to start... we all can toss out ideas/questions/topics for lights that you came here to learn more about... poserbryce: LET THE GAME!, UH, LIGHTS....BEGIN! AuntiAlias: that way we can tailor our discussion to thoser topics Schbeurd: Hello there Rivak: uh yeah ? Journeyman: we need to show our galleries poserbryce: NO! NO! AuntiAlias: Right, we'll do that in a moment.... Rivak: why do lights take so damn long to render? ;) poserbryce: too many links will get posted, i will go NUTS! CRAZY! AuntiAlias: Good question.. keep 'em coming! poserbryce: (not that i already am) Journeyman: want me to jump in any time? AuntiAlias: Anything else you want to know about lights? Ringo: the more lights in a scene longer render times. MacGuru: I can never get anything to light properly!! I just need some tips... poserbryce: yes. . . AuntiAlias: We're gathering requests for lights first off... Journeyman: ok Ringo: and if you put them infrom of a mirror good luck. sorry. AuntiAlias: then we'll have our esteemed discussion panel jump in with our examples and then start dishin' dirt on lights poserbryce: is there a way to get rays coming out from the center of a light? besides using a volumetric world? does that make sense? Purusha: I always get around to reading the manual... I would like to hear anything that I am not likely to learn there about lights - and any advanced techniques... AuntiAlias: k.. good question.. keep em coming... keep em coming.... george: bye! poserbryce: when r we gonna answer tthem? Rivak: i have an answer to that... AuntiAlias: patience, poserbryce.. we'll get to them all in time. We usually take 1-2 hours for these chats, so we'll cover the answers in time... : ) poserbryce: i have about 45 minutes JPSullivan: Ditto . . . Manual Free Tips Are Always Nice. The Terrains Discussion Was Like Reading Part Of The Manual All Over Again . . . Rivak: heh 2 hours? more like 3 FSUGary: yeah more like it :) FSUGary: Id like a few tipe possibly on making interior lighting look more natural, rather than like a flood light :) tips ...errgg MacGuru: yeah AuntiAlias: I"m copying and pasting all these requests to another window so I have a single list! : ) FSUGary: seee ... caffeine isnt working yet! poserbryce: i am making a scene with lise lebel that uses complicated lighting among other things, it is not complete, but would you like me to upload what we have so far everyone? i think it looks pretty cool so far. . . FSUGary: sure MacGuru: go for it... AuntiAlias: sure, if you have a link for us, we can discuss it.. : ) poserbryce: okay, i will upload it in a couple minutes. . . AuntiAlias: JP, re: terrain thing.. and reading the manual all over again.. was that a good thing or a bad thing? AuntiAlias: Okay... here's what we have so far... why do lights take so long to render? AuntiAlias: I want tips Journeyman: ok AuntiAlias: rays from the center of a light Rivak: heh AuntiAlias: tips on interior lighting JPSullivan: Actually, it was good for reinforcement, and the tiling thing was news to me. (It was a good thing Auntie . . . ) MacGuru: realistic lighting? AuntiAlias: stuff that's not in the manual Journeyman: okay I have some tips for inside lighting lighting AuntiAlias: (heck, I gotta read what the manual says about lights) FSUGary: yep Journeyman: what kind of interior are you doing? MacGuru: is that in the manual? AuntiAlias: Journeyman, then, why don't you start? eilif: did i miss much? Rivak: aaaaaahhhhhhh JPSullivan: :) Purusha: going over things in the manual does help integrate them - especially when we are doing it with a real scene - but the tips/tricks/techniques not found there are the real gems AuntiAlias: (sssh!) quiet down a bit and we'll let Journeyman have the floor! : ) Rivak: too many questions poserbryce: BACK!! MacGuru: :c) FSUGary: aaaahhhhhhh! <g> Journeyman: some tips that I have found is it looks more realistic if you have a few things that could be giving off light AuntiAlias: okay... folks.... the introduction throw-out-any-topic-and-be-chaotic-in-general time is drawing to a close! :D Journeyman: like say a lamp or two FSUGary: uh huh AuntiAlias: or a candle? Journeyman: and also remember that a room need ambience so you cant just have one light uh huh :-) like a candle AuntiAlias: www.auntialias.com/bryce/candlestick_fat.jpg and www.auntialias.com/bryce/chandelier.jpg Journeyman: good example AuntiAlias: working renders of the lights that were used in the BryceCamp Den scene... : ) Journeyman: also try to focus the lights on certain things, don't fill the room with lights FSUGary: yeah more like the chandelier Journeyman: becayse lights don't really look like that MacGuru: Yeah... sept I can't get ANYTHING tp render like that... Journeyman: www.munnsgallery.com the picture there has good lighting Descendere: I have a tip or two.. AuntiAlias: May I chime in here with a tip on interior lighting? Journeyman: sure susan FSUGary: are we using the ? and ! approach here? AuntiAlias: IN the Edit LIghts dialog box, there is a pop-up menu for selecing your lights... Journeyman: www.wheel-of-life.com/timemachine.html here is a lit room poserbryce: brb, gtting the lise and i pic. . . Clay: well sure AuntiAlias: FSU, for the most part, Journeyman, Clay and I can talk any time. We're the discussion panel.. If you want to make a comment, sure... type ! and ? as I was saying.... |
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FSUGary: ok sorry AuntiAlias: there are three options linear falloff, squared falloff and ranged falloff in addition to NO falloff linear is the usual Bryce light style Journeyman: Of course we would also like to hear pointers from Fred and some too (at least I think) AuntiAlias: which actually throws more light than our real world physics of light allows Journeyman: I agree susan, for an interior light, I often use squared falloff AuntiAlias: The squared falloff is what physics tells us about AuntiAlias: that there's an inverse relationship between the distance and the intensity... and there's a squared thing in there somewhere light decreases by the square of the distance... or something like that Journeyman: basically it giives a more realistic lighting AuntiAlias: Anyway, the point is that interior lights are where you'll see that more Clay: also keep in mind that not every light should be set 100% brightness as wells EACH light should be set a little different too AuntiAlias: light falls off pretty quickly in small, closed areas. Journeyman: and different colors too Clay: right AuntiAlias: That chandelier image has 12 lights. You see the complexity of the shadows... http://www5.metacreations.com/products/bryce4/community/proj/brycecamp/den1.html http://www5.metacreations.com/products/bryce4/community/proj/brycecamp/den2.html Journeyman: because in the real world we have radiosity (ever hold a red sweater beside a white wall that is the effect) AuntiAlias: Makes for nice long long long render times.... and for soft shadows : ) Clay: heheh Descendere: May I Janak? Journeyman: that is also why it is good to use colored lights Rivak: radiosity? Journeyman: of course Fred AuntiAlias: Descsendere.. go for it! : ) Rivak: ;) Descendere: Don't forget about the saturation of your textures either. ambiance and Diffusion make a huge difference. SunDogDeb: How long to render den 2? poserbryce: susan, want me to post the image link now? Journeyman: excellent point AuntiAlias: when you say "saturation of your textures" .. could you tell us a little more what you mean? poserbryce, in a bit, when we take general questions... : ) poserbryce: k Journeyman: the ambience on a shape can really make a difference as Des pointed out Descendere: You also have shadow settings to consider. They all go into the lighting equation. I like to desaturate my textures first, then work on the lighting. AuntiAlias: Den 2 took about 1.5 hours, maybe 2 Journeyman: it can make the difference between flat and dramatic AuntiAlias: Den 2 took longer (more objects in there) poserbryce: what speed computer? SunDogDeb: Thanks AuntiAlias: Mac G3/266 poserbryce: WOW, i have that too! Clay: right if you don't adjust your textures properly you'll lose all of your detail and everything will look flat AuntiAlias: Clay, what tricks do you use when adjusting your materials to make them work the best way with lighting? poserbryce: right Journeyman: also bump is very important for a good effect in lighting Descendere: Exactly . Then you start playing with lighting intensity and end up with the flodlight look. poserbryce: bump on what? the light gel? Jeffric: I've got an example of photographic still life type lighting that also uses the ambience of objects to 'fake' some sorts of light Journeyman: if you have a pillar and are trying to shine lights on it, it can look a lot more weathered if you have even a slight bumpmap and it helps improve the intensity of the scene Clay: I adjust the ambient and diffussions as well as if I want the object to receive or Journeyman: bumb map on the object Clay: cast shadows bump too :-) AuntiAlias: Do you reduce ambience, Clay? or increase it? Clay: reflection plays a big part too in some scenes AuntiAlias: Clay, you have a particular image in mind that we can look at? poserbryce: bye see ya later, here is the link.... Clay: yeah hold a sec Journeyman: bye pb poserbryce: http://poser.virtualave.net/lise.jpg Clay: http://www.phase2.net/claygraphics/the_plasma_chamber.html AuntiAlias: Clay, will you tell us a bit about what you did for your lighting in this scene? : ) Clay: When I do interiors I like to have lights cast interesting designs on things Clay: sure susan well in this scene instead of using a gel or mask on the light I used the structure itself to cast the shadow on the wall AuntiAlias: Aaah, that just-a-bit darker grid in the background? Clay: yes AuntiAlias: nice! Clay: thanks also it gave some interesting effects to the water Journeyman: about a gel on volumetric lighting, if you apply one to a spot light it will give you the streaming effect like you see in real atmosphere otherwise they could look flat Descendere: ? Journeyman: and slightly hard Clay: yes Fred?
>>>> Next up: Journeyman's Lights in Volumetric World |
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