Then reduce the final image in photoshop and you'll get a result close to a denoise but with more crispness. Instead if you plan a final image in let's say 1000x1000, then render it in 1500x1500 or even 2000x2000. NVIDIA® Iray® itself will determine when each portion of your geometry received enough rays to give each pixel enough information to reach an RGB color value close to its "real" value.Īs you obviously know very little about rendering, I'd advise you to forget about that for the moment. And the MOST important of all : Rendering Converted Ratio (set it below 100% or the render will run forever, usually 98% gives good results).Īnd then start your render and let it run. Then trust only 2 values : Rendering Quality (set it at 2 to 5, usually 2 is enough). This means that the render will "never" stop. Instead of trusting pure randomness, set Max time to 0 and Max samples to a very high value (20000 or more). You can't have enough rays of light in 8 minutes.
Pixels of the 2D image get their "final" color only when enough rays (of light) emitted by DAZ lights, object with an emissive color, HDR environment, touched the geometry. Just avoid them : Set Max Time to 0 (infinite) Set Max Samples to 20000 for example (a high enough value so that it won't stop the render before converged ratio is reached) Max Time and Max Samples are useless values in my opinion. Max Samples and Max time : the user decides when Iray WILL stop the render.īut how to know when a render is done before it even began ? Each render is different and duration of the render depends on the scene's complexity.
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