jasecoop Posted August 15, 2008 Share Posted August 15, 2008 Ok I've spent the last two days trying to get rid of my blotchy renderings thinking I'd be able to do it and I've had enough so I'm hoping to get some help. This is my rendering ... As you can see, it's a load of rubbish. I've browsed the internet for hours and found some very useful guides/tutorials etc. but they never seem to work. e.g. turning up the amount of hemispheric subdivisions etc. etc. I'm a total beginner with 3DS Max, so go slow with me. I'm going to post all the render settings (for the top render) so you guys can see where I'm going wrong and hopefully point me in the right direction. Would really appreciate any help! Just in case you know it was modeled in Rhino using Flamingo for the rendering, should that be causing my problem? Hopefully I can get this sorted! Cheers, J Link to comment Share on other sites More sharing options...
Crazy Homeless Guy Posted August 15, 2008 Share Posted August 15, 2008 it would be interesting to see your material settings for the darker material, but off hand, the first couple o fthings i would do... - up your light chace subdivisions from 100 to 1500 - 2000 - set your interpolation on the irradiance caculation to 50 the reason i commented on seeing the material setting is tha tthe splotches don't lok like the standard poor GI settings, or the standard poor sampling settings. the light cache subdision are extremly low, even for test renders, so that is the first place i would start. Link to comment Share on other sites More sharing options...
kiittea Posted August 15, 2008 Share Posted August 15, 2008 (edited) You need to learn the very basics of how vray works. and the best tutorials are here at http://vrayinfo.vismasters.com/catalog/viewproduct.aspx?product=1463&view_selection=Tutorials hope this helps u ... there are so many issues in your settings which might be resolved once u go through these tut's and understand it.There's every thing about vray settings, materials, lights and most of all the basics Edited August 15, 2008 by kiittea Link to comment Share on other sites More sharing options...
jasecoop Posted August 15, 2008 Author Share Posted August 15, 2008 hey kiitea, thanks, I've been working on tutorials all day, and I know its no overnight thing, but I'm just trying to get a decent looking render out asap to meet a deadline. I have managed to get the render a lot better, this morning it looked like this: though as stupid as this sounds i cant remember the settings i used to get this... though it'd still like a bit less blotchy. I was just hoping if people could point put in the right direction as I've gone through tutorials, followed what they've suggested for the sttings, and that image is my best result^^ so iv been trying all day to back to that and improve on it but have just seemed to go backwards! CHG - Thanks, where abouts can I find: ''set your interpolation on the irradiance caculation to 50'' Cheers Link to comment Share on other sites More sharing options...
Dave Oliver Posted August 15, 2008 Share Posted August 15, 2008 this should be so easy too....what happens if you reset vray, turn on irr map and light cache, and use the default settings? it cant take that long for a couple boxes no matter what the settings are... if i had 5 minutes with your computer im sure i could tell you exactly what was going on Link to comment Share on other sites More sharing options...
kiittea Posted August 15, 2008 Share Posted August 15, 2008 lookin much better. so u r using hdr lighting rite .. and make sure u uncheck the default lights. and see that there are no other lights in the scene if hdr is used .. that itself will serve as a light source. Link to comment Share on other sites More sharing options...
Crazy Homeless Guy Posted August 15, 2008 Share Posted August 15, 2008 CHG - Thanks, where abouts can I find: ''set your interpolation on the irradiance caculation to 50'' It is abbreviated in the Vray roll out.... 'Interp. Samples' Basically, it smooths your lighting solution. The higher the number, the smoother the solution, but also the higher the number, the less detail the solution has, so it is a trade off. Link to comment Share on other sites More sharing options...
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