Larger values tend to blur the detail, although the result will be smoother. Samples – The number of samples that will be used to interpolate the blurry reflections at a given point. Max Rate – Determines the resolution of the last interpolation pass. A value of -1 means the resolution will be half that of the final image and so on.
A value of 0 means the resolution will be the same as the resolution of the final rendered image, which will make the interpolation similar to the direct computation method. Min Rate – Determines the resolution for the first interpolation pass. Note that it is not recommended to use interpolation for animations, since this may cause severe flickering. The options for the interpolation of blurry reflections are also very similar to the options for the irradiance map. V-Ray can use a caching scheme similar to the irradiance map to speed up rendering of blurry reflections. Lowering it widens the dispersion and vice versa. Use Dispersion – This option enables the calculation of true light wavelength dispersion.ĭispersion – This option allows you to increase or decrease the dispersion effect. Refract Exit color – If a ray has reached the maximum refraction depth, the ray will be terminated and the exit color returned. Reflect Exit color – If a ray has reached its maximum reflection depth, this color will be returned without tracing the ray further.
Do not set this to 0.0 as it may cause excessively long render times in some cases.Īffect Alpha – Allows the user to specify which channels will be affected by the reflection of the material.Ĭolor only – The reflection will affect only the RGB channel of the final render.Ĭolor+alpha – The material will transmit the alpha of the reflected objects instead of displaying an opaque alpha.Īll channels – All channels and render elements will be affected by the reflections of the material.Īffect Shadows – This will cause the material to cast transparent shadows, depending on the refraction color and the fog color.Įxit Color On – Enables the following parameters: V-Ray tries to estimate the contribution of reflections/refractions to the image, and if it is below this threshold, these effects are not computed. The individual material reflection/refraction depth settings are still considered, so long as they don't exceed the value specified here.Ĭutoff - This is a threshold below which reflections/refractions will not be traced. Trace Depth – Represents the maximum number of bounces that will be computed for reflections and refractions. Trace Refractions – If this is off, refractions will not traced, even if the refraction color is greater than black.
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