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mahmoudnahmad 1,159 posts
can any one tell me how i can reduce the time of the rendering in general and if you want to know what i am exactly asking go look at my car render in 3d still each of those renders took 15 min to render and i want to animated the audi pushing a dominos piece and all other domines fall in havoc physics forming an O like shape hence the audi logo but that render will take about 3 days to render if i am not wrong can you please help thanks
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Weider 281 posts
Make a printscreen of your setup in Vray, it'll really help us to help you.
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mahmoudnahmad 1,159 posts
i just took them here you go guys hope this helps you undentifiy my problem
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mahmoudnahmad 1,159 posts
the last image and there is no advance lighting
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Cameron 2,374 posts
The biggest time consumers in in vray are the displacement, raytracing + GI (or so my experiences say)
The main one I notice in yours is the GI. -3 - -1 rates could be used in production, for test renders you'd want it at -3 - -3 rates well thats what I use, you get a few artifacts every now and again, but its a very good indication of what your final render will be.
Try turning off the GI, seeing how long it renders, then try turning off the displacement, lowering your raytracing samples e.t.c trying to pinpoint the exact cause of the slowdown. Then fix it.
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mahmoudnahmad 1,159 posts
cool thanks i am trying to render my car with a camera going around it loool it says 131 remaining
i will try fixing it more
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mahmoudnahmad 1,159 posts
cameron thank SO MUCH man i mean i turned of gi almost same quality and the render time went down from 151 hours to 15 its really nice having a person like you in the forum thanks alot to both of you cameron and wieder
if any one else has a suggestion please post it cause i still like gi but a way to reduce the time not more than 20 hours other wise its worthless
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ALi 608 posts
I said I can help, but I'm late
. thogh many of good mates are here that can help. as in this topic.
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mahmoudnahmad 1,159 posts
ali your help is really appriciated i already recived it i know for a fact everyone here likes helping and thats great
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troubadour 207 posts
i'm back on max6 and vray 1.09.xx...but the qmc-sampler might be another factor you might try...
the lower the values you choose for amount and noisethreshold, the longer the time for rendering...
default values for both are 0.85 for amount and 0.005 for noisethreshold...
pump both up to 1.0 and youll get a faster, but noisy render...
so you have to find a midway
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BColbourn 2,323 posts
in the irradience map presets where you have it to custom, try setting it to low - animation, it usually works fine to me. also, lets get a look at your materials as that can also cause long render times.
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amer 60 posts
If you're only animating the Camera moving around the car, then you only need to compute the major irradiance map once. ie, only the first frame would take 15 minutes, and all the rest would only take around 2 minutes to render.
The way you do this is by using the 'incremental add to current map' option in your vray irradiance map rollout options in render dialogue.
I can explain further if needed.
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mahmoudnahmad 1,159 posts
these advices sure helped alot thanks but one last question why am i getting scene bounding box is too large possible raycast error
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BColbourn 2,323 posts
