Opacity – Controls the layer opacity. Enable Lens Effects – Enables the V-Ray Lens Effects. Size – Specifies the size of the filter as percentage of the image's diagonal. See the Size example below. Intensity – Multiplier for the bloom/glare source bright pixels. Increasing the value can boost the effect by simulating up to 20 times brighter source. Values lower than 1 can be used to produce subtle bloom/glare from overbright sources. See the Intensity example below. Bloom – Controls the blend between bloom and glare. A value of 1 forces bloom to be applied to full extent and without any glare. A value of 0 removes the bloom completely and applies only glare. Values in-between blend the two effects proportionally. See the Bloom/Glare example below. Threshold – Sets a minimum value for the rendered pixels to be considered as lens effects source. The Bloom/Glare effect is generated only regarding pixels with larger value than the specified threshold. Rotation – Rotates the final result effect, regardless of this is a filter image or a procedurally created one. Saturation – When the value is set 0, the effects use the original hue of the bright pixels to create bloom and glare. Larger values intensify the hue set with the Cold/Warm option. See the Cold/Warm & Saturation examples below. Hardware Accelerated – Enable to calculate lens effects on the GPU. When multiple devices are present, V-Ray prioritizes the best one available. Cold/Warm – When enabled, the Bloom/Glare effect is toned to cold hues. When disabled, the effects receive warm hue. The hue shift requires Saturation values larger than 0. See the Cold/Warm & Saturation examples below. Interactive – When enabled, the bloom/glare effect is automatically recalculated and applied after any V-Ray lens effects parameter change. Update – Manually forces the recalculation of the bloom/glare effects. Save Glare channel – Writes the glare channel to file when writing all channels. Bake intensity – Enables the intensity to be baked in the Glare channel. Otherwise use a default intensity of 1.0f so that it can adjust via post-processing. Create effectsResult channel – Forces the creation of an effectsResult channel if not already created. It automatically enables the Bake intensity function.
You can modify the frequency at which the lens effects are updated during progressive rendering via the Post effect rate parameter located in V-Ray's Settings > System rollout. Increase the value if you want to see the lens effects updated more often during Interactive Rendering with V-Ray and V-Ray GPU. However, note that using large values is only useful in Interactive Rendering and is not recommended for the final rendering. |
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