rachelC Posted December 5, 2005 Share Posted December 5, 2005 hello, i am finishing an interior in vray (see image attached). I have 1 direct light vray shadow 1.0, 2 omin lights (one in the kitchen, one in the kitchen) value:0.3 and 0.1. could someone tell me how can I get more contrast in this scene please? many thanks, Link to comment Share on other sites More sharing options...
ipdesigner Posted December 5, 2005 Share Posted December 5, 2005 *try to use 'photometric-free point' instead of 'omni' for ambience lighting:) Link to comment Share on other sites More sharing options...
Tim Nelson Posted December 5, 2005 Share Posted December 5, 2005 It looks to me like you have Viz/Max's exposure control turned on. See if turning it off helps. Link to comment Share on other sites More sharing options...
skogskalle Posted December 5, 2005 Share Posted December 5, 2005 If you are using Vray advanced, you shouldnt have to use omnis for ambience at all.... put vray lights with 5-15 for multiplier in all the windows (the multiplier settings needed differs from scene to scene, and also (i think) with the scale of the model), and use "exposure" for colormapping. That should give you a bright but still contrasty image... Also do what Tim suggested! If you are using Vray Free then Im afraid I cant help you much... Link to comment Share on other sites More sharing options...
rachelC Posted December 5, 2005 Author Share Posted December 5, 2005 dear all, thank you for your replies. I use vray advance but i am still learning so thank you for your help. a couple of questions: the vray lights to put in the windows: are they the planes one? also, if i switch off the omnis and keep only one direct light at the value of 1.0 and i increase the environment to 3.0, my textures disappear... any ideas what to do. (I thought that switching the enviroment give a very smooth render... is that right?) many thanks Link to comment Share on other sites More sharing options...
gfa2 Posted December 5, 2005 Share Posted December 5, 2005 Yes the vray lights are the plane type. If you loose the appearance of your materials when you add/delete lights, just choose the Customize pull down menu then choose Viewport configuration. Under Rendering options, turn on Default lighting. You can mess around with 1 light or 2 lights, just depends on how you want it to look as you are working. Link to comment Share on other sites More sharing options...
skogskalle Posted December 5, 2005 Share Posted December 5, 2005 first of all... the colormapping setting I was talking about in the last post is called "exponential", not "exposure"... sorry about that... "the vray lights to put in the windows: are they the planes one? " Yup, they are... make them the size of your windows. If you use Vray lights in all the windows, and only need to render the interior, you dont have to use any environment light. Just use the Vray light in the windows + a direct spot for sunlight. dont know why your textures dissapear... what do you mean? is the render completely white (blown out) or are the textures simply gone??? sound weird. Link to comment Share on other sites More sharing options...
rachelC Posted December 5, 2005 Author Share Posted December 5, 2005 thank you very much for the tips. i am rendering right now with the vray light and i shall keep you posted. about the materials... they just disappear. you can see them while the vray render phase 1 and 2 and when the image is rendered.. all the materials disappear... i think this is something to do with me switching on the environment... maybe... thanks. Link to comment Share on other sites More sharing options...
rachelC Posted December 5, 2005 Author Share Posted December 5, 2005 So, i tried to render with the vary light. this work , thank you. As iI was saying in my email earlier, i seem to have problem with my materials disappearing. I have done a render and it happen again. see image attached.... As you can see, the phases render ok, vray start to render the image fine and then... the materials simply dont render. can i pick your brain on this problem please? many thanks Link to comment Share on other sites More sharing options...
Tim Nelson Posted December 5, 2005 Share Posted December 5, 2005 The problem (I think) is that you are using version 1.47.03 with Viz 2006. That is where your missing maps are coming from. Go back to the last 1.46 version and that will fix the problem. You might have to email the Vray guys to send you that. Edit: actually that might not be the problem. Does the whole image render without materials or just some of the buckets? Link to comment Share on other sites More sharing options...
rachelC Posted December 5, 2005 Author Share Posted December 5, 2005 thank you very much.. i am going to forward the email to tedi and see if we can fix the problem.... cross fingers!!! I will keep you posted. many thanks again... Link to comment Share on other sites More sharing options...
skogskalle Posted December 5, 2005 Share Posted December 5, 2005 Ive never seen this problem before.... if you get some answers from the chaos guys id really like to know what was wrong... I do think that the image will look nice if you get rid of this problem/bug. The half-rendered image you posted last is looking good apart from the missing textures. Link to comment Share on other sites More sharing options...
Tomas Posted December 5, 2005 Share Posted December 5, 2005 Hi, just to let you know there is a bug in vray 1.47 The issue is discussed here: http://www.chaosgroup.com/forum/phpBB2/viewtopic.php?t=11640&postdays=0&postorder=asc&start=0 You can either go back to old 1.46.15 version or use Standard materials only. Tomas. Link to comment Share on other sites More sharing options...
Tomas Posted December 5, 2005 Share Posted December 5, 2005 My apology to Vray guys. The bug is acctually in VIZ & MAX cores. As Vlado wrote: " Well, the bug is there in VIZ anyway; V-Ray just made it more apparent." Tomas. Link to comment Share on other sites More sharing options...
rachelC Posted December 6, 2005 Author Share Posted December 6, 2005 thank you very much for all your help on the bug problem... this was very helpful and we are now lokking into it... i have made another rendering using vray lights in the windows. the result is very satisfactory however, i am still not happy about how much light is coming in. could you tell me how i could increase the light in the room. I have a plane value:10 in each window and the direct light is the value of 1.2. do I increase the global lighting in the enviroment to more than 1.0? many thanks , Link to comment Share on other sites More sharing options...
skogskalle Posted December 6, 2005 Share Posted December 6, 2005 looking good.... I wouldnt use any environment light at all.... I would turn up the multiplier on those vray lights to about 15. The sunlight on the floor looks a bit weak too, so you could probably turn that up to 2.0 or 2.5 If you are using "exponential" colormapping this will prevent the scene from getting completely blown out around the lights, so you can get away with very high settings for your lights before things start to look weird. Link to comment Share on other sites More sharing options...
wcraig Posted December 6, 2005 Share Posted December 6, 2005 An easy way to get a lighter interior is to turn the dark multiplyer up. Try 2, experiment. Youll probably have to bring the light multiplyer up as well just to keep the contrast. Link to comment Share on other sites More sharing options...
rachelC Posted December 6, 2005 Author Share Posted December 6, 2005 Thank you. skogskalle i have apply to my image your earlier observation. this look really great... (see image attached). i feel however that the light is very bright around the windows where the vray plane are. anyway i can get rid of it??? cheers, ps: sorry wcraig, could you tell me where is the dark multiplier please? I am sure this is obvious but i am not totally familiar with the set up of the renderer yet. Link to comment Share on other sites More sharing options...
skogskalle Posted December 6, 2005 Share Posted December 6, 2005 yup maybe your cieling is a little too bright around the lights.... try lowering the multipliers a little and play abit with the dark/light multipliers like wcraig said. They can be found in Vrays colormapping-settings. I personally wouldnt reduce the bright spots that much though... I would brighten my windows (or the background outside the windows) instead. I think it looks strange mainly because its too dark outside compared to the light inside. Link to comment Share on other sites More sharing options...
rachelC Posted December 6, 2005 Author Share Posted December 6, 2005 thank you for all your help. find attached the image i have produce with all your help. i know this is not finished yet and i still have to do some twiking but i am on the way to hopefully greater images.... thank you again. Link to comment Share on other sites More sharing options...
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