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Motion Blur on Alembic Particles

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redshift xpopenvdmesher motion blur alembic vertex xyz
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  • D
    diamond-childhood last edited by Dr. Sassi May 31, 2023, 8:35 PM May 31, 2023, 3:33 PM

    Hello, I have an issue that I can't find a solution for.
    I am creating a water simulation using an alembic particle system and a volume builder. The alembic particle system was created using x particles. Although I have managed to create a nice looking water mesh, I have struggled finding a way to include motion blur. My question is, is there a way to include motion blur with an alembic particle system/volume builder? Do I have to export the velocity maps from xparticles, and if so, how?

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    • Dr. Sassi
      Dr. Sassi last edited by Dr. Sassi May 31, 2023, 8:34 PM May 31, 2023, 8:33 PM

      Hi diamond-childhood,

      Here is a baked (not exported) Alembic. Object Manager> Object> Bake As Alembic.
      Select the xpOpenVDMesher and its Vertex maps (activated in xpOpenVDMesher> General> Tabs: see image).

      The baked object has the path to the abc in it.

      In Redshift 3D, use the RS Render Tag and enable Motion Blur.
      (Use Deformed Motion Blur in the RS Render Settings)

      I have not included the Content Browser HDRI file; you must replace it.

      The Motion Blur is set slightly over the top to make a point.

      It does not work in any render preview or final render options, e.g., Picture Viewer.

      https://stcineversityprod02.blob.core.windows.net/$web/Cineversity_Forum_Support/2023_PROJECTS_DRS/20230531_CV4_2023_drs_23_RSxp_01.zip

      All the best

      Screen Shot 2023-05-31 at 11.51.14 AM.png

      Dr. Sassi Sassmannshausen Ph.D.
      Senior Trainer, Maxon Master Trainer, L&D - Strategist
      Cinema 4D mentor since 2004, Member of VES, DCS.

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