V-Ray 8.25 [Channels]

“Rendering Multiple Channels”


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V-Ray 3.6+:

  1. In a Rhinoceros document, open the V-Ray Asset Editor.
  2. Navigate to the settings tab and expand the options to the right.
  3. Expand the "Render Elements" section and click on the search field.  A pop-up list will appear. [Premium Content - Login] [Membership Options]
  4. Select Background, Render ID, Material ID, and Z-Depth at a minimum.  You can also select many other channels.  If you would like more information on these channels (render elements) you can view this website: https://docs.chaosgroup.com/display/VRAYRHINO/Render+Elements
  5. Perform a render of your model.
  6. In the V-Ray Frame Buffer window, you can navigate between these channels (render elements) by clicking on the dropdown menu in the upper left corner.  You can save the channels individually once you view them by clicking on the save icon while the channel is displayed.   Alternatively, you can click and hold on the save button to save all the channels simultaneously. [Premium Content - Login] [Membership Options]

V-Ray 1.5:

  1. In a Rhinoceros document, open the V-Ray Options menu.
  2. In the VFB Channels drawer, confirm that Alpha and Color (RGB Color) are selected.[Premium Content - Login] [Membership Options]
  3. Depending on your desired results, select other channels you want to have rendered.
    • Note: This is critical for Photoshop post-processing as it allows easy creation of masks and filters.
  4. You may include as many as you wish, but I recommend adding “Z-Depth” and “Background” as a minimum.
  5. Render your image.
  6. Once your image has finished, use the drop-down list in the upper left corner to select different channels. Save each of these channels in addition to the primary rendered image.

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