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Creating Scatter:

||V-Ray Asset Editor|| > Geometries (right-click) > Gaussian Splat

||V-Ray Asset Editor|| > Create Asset (left-click) > Geometries > Gaussian Splat

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Workflow

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V-Ray Gaussian Splats can be imported from two places in the Asset Editor: the Create Asset button and the Geometry category icon (top). Importing a V-Ray Gaussian Splat, however, doesn't add it to the Revit model and respectively to the V-Ray rendering yet. The V-Ray Gaussian Splat then must be assigned to a selected object from the Families Tab in the Appearance Manager. This can be done by either drag-and-dropping the Gaussian splat to the Appearance Manager, or from the V-Ray menu icon.


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Parameters

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Gaussian Splat – Turns on the Gaussian splat. This option also turns off the export of the Gaussian splats to a .vrscene.

File– Loads the Gaussian splat file. Currently, only .plyfiles are accepted.

Flip Axis – Changes the Up axis by rotating the object.



Color – Specifies a filter color for the splat. By default, the Color is white, which does not affect the splat.

Intensity – Increases or decreases the Color multiplier for the Gaussian splat.

RGB Primaries – Specifies the color space of the data in the Gaussian splats file. For the Gaussian Splat to be read as it was written, select the respective input color space -sRGB,ACEScgorRaw.

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The Gaussian Splat object can be hidden from camera, like any other geometry object in the scene by using the Primary Visibility option.


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Example: Visible in Reflections

The Visible in Reflections option controls if the Gaussian Splat object is reflected in other objects in the scene.


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Example: Visible in Refractions

The Visible in Refractions option makes the Gaussian Splat object seen by other objects in the scene that exhibit refractive properties.


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Example: Casts Shadows

This example shows how the pink flamingo can produce shadows when the Casts Shadows option is enabled, and doesn't block light when it's not.


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