Spooner04 Posted November 30, 2007 Share Posted November 30, 2007 Is your vray sun in the air? When you just drop it in it puts it a ground level, looks like that may be the problem. Sorry, I know that is kind of obvious, but I forget things like that sometimes. Also, that sky doesn't look like the vray sky i remember, did they update it in 1.5 final or did you change it? Link to comment Share on other sites More sharing options...
Billabong Posted November 30, 2007 Share Posted November 30, 2007 yeah the sun is in air, but that sky you see is a panormic image, let me try to remvoe it and see what happens, if it is something that simple, im going to feel like an idiot Link to comment Share on other sites More sharing options...
aaron-cds Posted November 30, 2007 Share Posted November 30, 2007 Ryan It would be nice to see a little tut on this when you do figure it out. Lele put a lot of work into the tutorial. Just watch it three times like everyone else. Link to comment Share on other sites More sharing options...
Spooner04 Posted November 30, 2007 Share Posted November 30, 2007 When you dropped in the sun did you take the option to use the vray sky? and if you put a pano image in the environment map then I think you need to put the vray sky into the Vray:Environment:GI Environment override in the vray settings. Link to comment Share on other sites More sharing options...
Billabong Posted November 30, 2007 Share Posted November 30, 2007 please feel free to call me the idiot of CGA, thats what the problem was. God I love this forum. @arron: I have watched it twice, but I will do it again. Link to comment Share on other sites More sharing options...
Spooner04 Posted November 30, 2007 Share Posted November 30, 2007 Lele put a lot of work into the tutorial. Just watch it three times like everyone else. It would appear the chaos group has cut off access to the forums for public users. You now need to have purchased a license and have been authorized by chaos group to view their forums. Bad move imo. Forum access was the only reason I started using vray, and the main reason I always recommended Vray to my friends. Link to comment Share on other sites More sharing options...
Spooner04 Posted November 30, 2007 Share Posted November 30, 2007 please feel free to call me the idiot of CGA, thats what the problem was. God I love this forum. Was it the sun or the sky? Heh Heh. No worries man. I don't know how many times I've forgotten to turn on shadows on max lights here at work. And other dumb things. Link to comment Share on other sites More sharing options...
Billabong Posted November 30, 2007 Share Posted November 30, 2007 it was the pano blocking the sky Link to comment Share on other sites More sharing options...
Trevor Tizard Posted November 30, 2007 Share Posted November 30, 2007 It would appear the chaos group has cut off access to the forums for public users. You now need to have purchased a license and have been authorized by chaos group to view their forums. Bad move imo. Forum access was the only reason I started using vray, and the main reason I always recommended Vray to my friends. How is this a problem if you have purchased a license Or are you refering to the amount of time it can take to get forum authorization? I know this has been an issue in the past. Link to comment Share on other sites More sharing options...
aaron-cds Posted November 30, 2007 Share Posted November 30, 2007 @arron: I have watched it twice, but I will do it again. I finally got it after the third time. Once I got it, I set up a default scene file with the sun and camera. Link to comment Share on other sites More sharing options...
aaron-cds Posted November 30, 2007 Share Posted November 30, 2007 It would appear the chaos group has cut off access to the forums for public users. You now need to have purchased a license and have been authorized by chaos group to view their forums. That's a good thing. It doesn't take that long to register to the forum. Besides, pirated software users can be really annoying. Having a forum full of stupid warez monkeys is not anyone's idea of a good forum. Chaosgroup has a good forum. Register and you'll see. Link to comment Share on other sites More sharing options...
RyanSpaulding Posted November 30, 2007 Author Share Posted November 30, 2007 Yeah, in no way will my little video replace lele's. Nothing beats the precision in his tutorial. It's the best way to get the correct output. Having mine be general makes it a tad off, but I dont mind doing a little post correction to save me some tweaking time. It took me 2 1/2 times to understand what's going on...so I 'get' it now...I just prefer to not get too mathematical in my workflow. The thread over at Chaos Group (if you have regiestered VRay) talking about the lele technique was beneficial to read too. It took awhile too....20-something pages if I remember correct. Link to comment Share on other sites More sharing options...
Billabong Posted November 30, 2007 Share Posted November 30, 2007 yeah I'm registered and have been following the thread a little, but I'm a lot like you, math and I do not get along Link to comment Share on other sites More sharing options...
aaron-cds Posted November 30, 2007 Share Posted November 30, 2007 I agree about not wanting to be so technical. That's why I've dumbed the concept down for myself. This is what I focus on. 1. Place a vraysun and put the vraysky in the environment slot, leaving them at the default settings (However, I make the sun invisible to avoid wierd reflection issues) 2. Place a vraycamera and set the f-stop to 8.0, shutter speed at 30.0 and film speed (iso) at 30.0 for 1 first bounce or 20.0 for 3 first bounces, (I prefer 3 bounces to get more exposure in the shaded areas) 3. Set color mapping to linear multiply, gamma 2.2, dark mult & bright mult both at 1.0, uncheck sub-pixel mapping, uncheck clamp output, check affect background 4. Create a defualt white color 255 with a rgb multiplier of .255 to use in the material override slot 5. Test render and confirm that the float value is 1.0 6. Once materials are added, fine tune iso value of camera to get desired light levels So, basically, I just have one variable to tweek, the iso value. Link to comment Share on other sites More sharing options...
RyanSpaulding Posted November 30, 2007 Author Share Posted November 30, 2007 Is there an advantage to using the vray frame buffer vs max's? Link to comment Share on other sites More sharing options...
Billabong Posted November 30, 2007 Share Posted November 30, 2007 Yeah I think IM getting the hang of it here. I still need to re watch that vid again to see how to check the float. but here is the latest render with a shutter speed of and iso at 40, i think the reason for the high iso is that this model isnt built to scale, just by eye. I do have another question or two. When you say"Create a defualt white color 255 with a rgb multiplier of .255 to use in the material override slot" Are you just referring to running that script from LeLe. If that is what you mean, then that I have done or are you referring to the custom balance in the vray cam settings. Second question. What do you mean by choosing 1 or 3 bounces. I have looked in the cam setting for that and dont see it. IM using Brute force as my primary bounce and its default setting is set to 3 bounces, is that what you are talking about? Thanks again I agree about not wanting to be so technical. That's why I've dumbed the concept down for myself. This is what I focus on. 1. Place a vraysun and put the vraysky in the environment slot, leaving them at the default settings (However, I make the sun invisible to avoid wierd reflection issues) 2. Place a vraycamera and set the f-stop to 8.0, shutter speed at 30.0 and film speed (iso) at 30.0 for 1 first bounce or 20.0 for 3 first bounces, (I prefer 3 bounces to get more exposure in the shaded areas) 3. Set color mapping to linear multiply, gamma 2.2, dark mult & bright mult both at 1.0, uncheck sub-pixel mapping, uncheck clamp output, check affect background 4. Create a defualt white color 255 with a rgb multiplier of .255 to use in the material override slot 5. Test render and confirm that the float value is 1.0 6. Once materials are added, fine tune iso value of camera to get desired light levels So, basically, I just have one variable to tweek, the iso value. Link to comment Share on other sites More sharing options...
Spooner04 Posted November 30, 2007 Share Posted November 30, 2007 That's a good thing. It doesn't take that long to register to the forum. I have been registered for some time, but only recently have not been able to view. TBesides, pirated software users can be really annoying. Having a forum full of stupid warez monkeys is not anyone's idea of a good forum. I agree, but it also keeps out the poor chap that works at a large corporation and can't get anyone to submit a request for a fully authorized chaos group log in. *edit* made a new account and now I can see the threads again, odd. @ ryan, it's my understanding that the vray frame buffer uses less ram. It also has some better functionality. Really though, if you are rendering out your saved final sequence that you know is solid there is no need to use a frame buffer at all IMO. Just render it straight to disk. Link to comment Share on other sites More sharing options...
aaron-cds Posted November 30, 2007 Share Posted November 30, 2007 Yeah I think IM getting the hang of it here. I still need to re watch that vid again to see how to check the float. but here is the latest render with a shutter speed of and iso at 40, i think the reason for the high iso is that this model isnt built to scale, just by eye. I do have another question or two. When you say"Create a defualt white color 255 with a rgb multiplier of .255 to use in the material override slot" Are you just referring to running that script from LeLe. If that is what you mean, then that I have done or are you referring to the custom balance in the vray cam settings. Second question. What do you mean by choosing 1 or 3 bounces. I have looked in the cam setting for that and dont see it. IM using Brute force as my primary bounce and its default setting is set to 3 bounces, is that what you are talking about? Thanks again You should be using irr map for the 1st bounce and lc for the 2nd for exteriors. 3 bounces means that I changed the multiplier from 1 to 3 for the primary bounce. That's found in the Indirect Illumination menu, not the camera. Check out the interior and exterior Gnomon dvd's by Chris Nichols to learn the basics for vray gi rendering. When I talk about setting a default white material with the rgb level set to .255, I'm talking about a way to ensure the float value doesn't go over 1.0. You can learn more about that concept in lele's video. Link to comment Share on other sites More sharing options...
Billabong Posted November 30, 2007 Share Posted November 30, 2007 got it, thanks Link to comment Share on other sites More sharing options...
RyanSpaulding Posted December 3, 2007 Author Share Posted December 3, 2007 So does anyone here still use HDRI for anything in VRay? Wouldn't it be smart to still use the HDR in the environment reflection/refraction slot for reflection purposes? And if so, is there a way to vertically shift the HDR in case from your view, the HDR is set too low on not reflecting what it would in real life. JUST GOT DWGLINK WORKING AGAIN *Tiger Woods fist pump* Link to comment Share on other sites More sharing options...
RyanSpaulding Posted December 5, 2007 Author Share Posted December 5, 2007 Just gonna post my first run here to show my starting point and then go back to the WIP forum to continue. Issues: I think it's mostly texturing for now. Not a fan of my concrete (not sure why the bump map doesn't seem to do anything), EFIS, or shingles. I may have to make more use of displacement on the EFIS as when the sun faces these bump maps, they basically go away. Glass is the arch glass from the vray materials website...looks ok I guess...not getting much for reflection even if I place a map in the reflection slot. Not a big fan of the building right now either...could use more shadow lines, score lines, interior walls, ect. Link to comment Share on other sites More sharing options...
alias_marks Posted December 5, 2007 Share Posted December 5, 2007 I am also curious to hear if you think using the vray frame buffer has any advantage. Also, how have you been able to incorporate (if even possible) HDRI's into this workflow. My initial guess is to bump up the HDRI multiplier by 100 or so? Link to comment Share on other sites More sharing options...
RyanSpaulding Posted December 5, 2007 Author Share Posted December 5, 2007 I am also curious to hear if you think using the vray frame buffer has any advantage. Also, how have you been able to incorporate (if even possible) HDRI's into this workflow. My initial guess is to bump up the HDRI multiplier by 100 or so? Apparently in RAM it does...I switched to it just in case. As for HDRI, I haven't yet. I dont imagine you'd want to use it for lighting...but I do want to use it for reflections...so we'll see. I'll update. Link to comment Share on other sites More sharing options...
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