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This node simplifies caching sufficient data to render with motion blur. It caches subframe samples across the shutter frame. The shutter frame can be automatically detected from a camera, or manually defined. This node can be used with any render delegate available in Solaris, though each renderer may require additional properties to be added or setup via Render Geometry Settings or Render Settings nodes.
Interpolate Fast Transforms is useful for getting better motion blur from objects in motion, especially with very fast rotation. See Resample Transforms for more details.
Enabling Velocity Blur will also add Karma’s velocity blur render property.
Append a Cache LOP after this node, to cache data for multiple frames and remove the Houdini time dependency.
Mode for determining the time samples to be authored.
Use Camera Prim
Detect the shutter open and close automatically from a camera prim.
Set the open and close time, relative to the current frame.
The open and close times when time samples are authored, relative to the current frame. Manual shutter mode only.
Path of the camera prim whose shutter open and close are used to cache time samples. Camera Prim mode only.
The number of time samples authored within the shutter open and close times, inclusive.
Always Include Frame Sample
Whether to also include the original frame’s sample data or only the subframe samples.