Macha Posted August 12, 2009 Author Share Posted August 12, 2009 Fluorite inspired. Mantra was a little strange. There was a "dead pixel" in the render (3*3 pixels) and even though memory consumption was low mantra never really used more than 50% of cpu resources. Quote Link to comment Share on other sites More sharing options...
Macha Posted August 13, 2009 Author Share Posted August 13, 2009 (edited) Another version with caustics. I prefer the other crystals but here the transition between shell and cut is nice. Edited August 13, 2009 by Macha Quote Link to comment Share on other sites More sharing options...
RonensArt Posted August 13, 2009 Share Posted August 13, 2009 Hi really nice Rocks Macha! are you using PBR for those? Quote Link to comment Share on other sites More sharing options...
Macha Posted August 13, 2009 Author Share Posted August 13, 2009 are you using PBR for those? Yes, most of them, especially if they use refractions and reflections. It renders a lot faster than non-PBR. If I understand correctly it's because it automatically reduces useless sampling if the diffuse contribution is very little. Quote Link to comment Share on other sites More sharing options...
Macha Posted August 13, 2009 Author Share Posted August 13, 2009 Something from the coal spectrum. Quote Link to comment Share on other sites More sharing options...
kumpa Posted August 13, 2009 Share Posted August 13, 2009 Man i love your rocks, they are getting better with each post . Btw, you might want to run all those cubes trough RBD solver to get rid of interpenetrations. Quote Link to comment Share on other sites More sharing options...
Macha Posted August 14, 2009 Author Share Posted August 14, 2009 First attempt at a gold nugget. Some of the techniques are useful but I'm not happy with the design. The base rock looks wrong and the gold distribution is a little boring. It looks tasty though, like a luxury cake. Quote Link to comment Share on other sites More sharing options...
Macha Posted August 14, 2009 Author Share Posted August 14, 2009 (edited) Man i love your rocks, they are getting better with each post . Btw, you might want to run all those cubes trough RBD solver to get rid of interpenetrations. Thanks. I'm happy you like them. As for the cubes, the RBD solver might come handy in the future but for the moment interpenetrations are OK because crystals tend to grow like that. If you ever get a chance to handle a piece of pyrite you'll be amazed that such a thing really exists. Edited August 14, 2009 by Macha Quote Link to comment Share on other sites More sharing options...
rafilm Posted August 14, 2009 Share Posted August 14, 2009 i like this renders very nice! Quote Link to comment Share on other sites More sharing options...
jorcc Posted August 15, 2009 Share Posted August 15, 2009 Very very nice work! Would you mind expanding a bit on how are you building this? Specifically the rock+crystals.. Im quite intrigued! Just a bit of info on how are you building the geo, and what are you doing shading wise.. Keep it up! Quote Link to comment Share on other sites More sharing options...
symek Posted August 16, 2009 Share Posted August 16, 2009 Gosh, I completely missed that thread. Great stuff here! Rock'n'roll! It's also nice to see how better and better you are with using Mantra. Last renders look astonished! cheers, skk. Quote Link to comment Share on other sites More sharing options...
Macha Posted August 18, 2009 Author Share Posted August 18, 2009 Reminiscent of galena with silver. What a pity we don't use Houdini at work. Ahh, it's so boring going back to standard apps... pulling polys...and shifting pixels.. I wish Houdini was more popular over here. Quote Link to comment Share on other sites More sharing options...
eetu Posted August 18, 2009 Share Posted August 18, 2009 Absolutely beautiful stuff! Rock on eetu. Quote Link to comment Share on other sites More sharing options...
fikusplyne Posted August 19, 2009 Share Posted August 19, 2009 Macha you're my new rock idol!!! astounding job! could you post an hip demo file of your easiest and worst rock? Just to learn how could you reach such amazing stuff. Quote Link to comment Share on other sites More sharing options...
jorcc Posted August 19, 2009 Share Posted August 19, 2009 Macha you're my new rock idol!!! astounding job! could you post an hip demo file of your easiest and worst rock? Just to learn how could you reach such amazing stuff. I agree, would be great to see your process a bit more in detail! keep it up Quote Link to comment Share on other sites More sharing options...
Farsheed Ashouri Posted August 20, 2009 Share Posted August 20, 2009 Hi, I've always seen hip files of scenes in most threads, so please do that tradition here. Let us learn how you've done such amazing pictures. Quote Link to comment Share on other sites More sharing options...
ykcosmo Posted August 20, 2009 Share Posted August 20, 2009 very nice work. would you show us the wireframe picture? Quote Link to comment Share on other sites More sharing options...
Macha Posted August 20, 2009 Author Share Posted August 20, 2009 Many responses there, thanks. I'm extremely busy for a while to post any more stuff (wedding...) but I will think about if and how to send more files once I'm back to normal. The main issue being that I consider the rocks to be solutions to design problems, not technical challenges, which gives the whole question a different angle and flavor. The best thing I can say for now is: "know your rocks" because they are not random objects at all but rather perfectly procedural. Once you know what makes a plutonic rock look the way it does and why that differs from, say a extrusive type, then you have solved 80% of your design question. The technical part is mostly copy-stamping with a bit of minimal scripting to be quite frank. The gold for example is just a reflective standard shader. The look is mostly achieved by tweaking diffuse, spec and reflective color. That's all. There's no technical secret to it, just your sense of color and I'm not sure how to effectively explain it so that it remains true for other rocks, since they demand other solutions. Aaaaaanyway, my brain resembles mashed potatoes right now. Thanks for the interest everybody. I'll be back in a couple of weeks, hopefully. Quote Link to comment Share on other sites More sharing options...
ykcosmo Posted August 21, 2009 Share Posted August 21, 2009 I want to get the necklace with those stones.. very nice... Quote Link to comment Share on other sites More sharing options...
jorcc Posted August 21, 2009 Share Posted August 21, 2009 Many responses there, thanks. I'm extremely busy for a while to post any more stuff (wedding...) but I will think about if and how to send more files once I'm back to normal. The main issue being that I consider the rocks to be solutions to design problems, not technical challenges, which gives the whole question a different angle and flavor. The best thing I can say for now is: "know your rocks" because they are not random objects at all but rather perfectly procedural. Once you know what makes a plutonic rock look the way it does and why that differs from, say a extrusive type, then you have solved 80% of your design question. The technical part is mostly copy-stamping with a bit of minimal scripting to be quite frank. The gold for example is just a reflective standard shader. The look is mostly achieved by tweaking diffuse, spec and reflective color. That's all. There's no technical secret to it, just your sense of color and I'm not sure how to effectively explain it so that it remains true for other rocks, since they demand other solutions. Aaaaaanyway, my brain resembles mashed potatoes right now. Thanks for the interest everybody. I'll be back in a couple of weeks, hopefully. Hey! Thanks for a bit of description! I guess its a matter of just "playing" with things a bit.. Could you describe your lighting setup as well? Maybe even attach a really simple HIP file ? All the best on your wedding! Quote Link to comment Share on other sites More sharing options...
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