![]() ![]() Rendering of sequences could produce unwanted flickering between frames. Other parameters like Displacement and Subdivision settings, as well as Global Illumination also affect the render time and may require adjusting. The information provided in this article covers the basic parameters controlling render time. Getting familiar with the basics and learning the balance between image quality and render time will help you choose the best settings for any scene. What are the best render settings for my scene? More information on Resumable rendering is found here. This feature is only available in V-Ray for 3ds Max and V-Ray for Maya. Resumable rendering allows you to stop and resume without starting the rendering process all over again. If the quality needs improvement, you can pick up the render from where it finished. Using a combination of the Progressive Image Sampler and the resumable rendering feature can improve the quality of already completed renders - both still images and animations. Reducing the render time usually produces more noise and results in lower image quality.Ĭan I improve the image quality without starting the render from the beginning? In case you use a Render Time (min) limit, then decrease the time limit value. ![]() Subdivs parameter for the Bucket or Progressive Image Sampler. How to make the rendering faster?įor faster render times decrease the Max. For example, with a time limit of 1 minute per frame, a sequence of 60 frames should render for approximately 60 minutes. Rendering each frame for the same amount of time can help you calculate the time needed to render the entire sequence. Using a time limit comes handy when rendering animations. Then, when you set a Render Time value (in minutes), this will be the only criteria for V-Ray to stop sampling the image. ![]() To limit the progressive rendering to only the amount of time spent on the image, you can set: The Progressive Image Sampler provides an option to set a time limit for the rendering. These are the main parameters controlling the quality vs render time ratio. The balance between quality and render time is achieved with the Max. V-Ray comes with two types of image samplers: Progressive and Bucket. V-Ray continues working until either the maximum number of calculations is reached or when the Progressive image sampler is used when the time limit is reached (whichever comes first). Render quality and time are conditioned by the amount of calculations per pixel done and if these calculations are limited in time. The sections below explain which parameter to tweak and how. If the default Render Settings do not give the desired result, you can adjust them to fit your needs. They serve as a balanced starting point for a variety of computer graphics productions. The results of these tests are the basis for the optimized setup selected as the engine default. To determine the best compromise for image quality and render time, Chaos Group engineers have measured the performance of V-Ray on thousands of scenes. It’s important to know that they are correlated - high image quality comes at the expense of long render times, and vice versa - speedy renderings produce low image quality. Render production is affected mostly by two factors - image quality and render time.
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