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The New V-Ray Frame Buffer (VFB 2) is a second-generation V-Ray virtual frame buffer.

The New VFB is much more than a render image holder window, with Light Mix capabilities for modifying the scene lighting after rendering and Layer Compositing for a higher level of post-processing adjustments.

  • Image preview:
    Loads render elements channels via a dropdown list;
    Works with display corrections;
    Loads various 8bit and 32bit file formats, including V-Ray resumable files;
    Image comparison between 2 or 4 renders;
  • Image management:
    Keeps the rendered image in full 32-bit floating-point format;
    Can store history of rendered images with their post rendering corrections;
    Can save corrected output to various image formats;
  • Image editing and post-processing:
    Add Color Corrections to rendered image and its elements;
    Layer Compositing for anything from a simple Back to Beauty workflow or advanced compositing;
    LightMix adjustment of the scene lighting after rendering the image;
  • Scene editing:
    Can modify actual lights values by transferring updated intensity and color from LightMix mode;
  • Render management:
    Denoiser control;
    Region rendering control and test resolution;
    Allows you to choose the order in which the buckets are rendered.

See the VFB Overview page or the Courseware page for more information.

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UI Paths

 

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||V-Ray for SketchUp Toolbar|| > Frame Buffer

 

SketchUp Menus Ribbon

||Extensions|| > V-Ray > Frame Buffer

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||V-Ray Asset Editor|| > Open V-Ray Frame Buffer

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VFB Menu

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The V-Ray Frame Buffer menu holds the main frame buffer commands. Some of the options are also available in the VFB toolbar for quick access.

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A search field where you can filter the images based on the scene's paths and notes.

 

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Right-click on the History field to open the History dropdown menu.

Edit note – Allows you to add a text comment to the image; the comment appears below the image.

Set A – Sets the render as A image for A/B comparison.

Set B –  Sets the render as B image for A/B comparison.

Load to VFB – Loads the selected image in the VFB (same as double-clicking on the image).

Delete – Deletes the selected image from history. The image is moved to the system's Recycle Bin and can be restored from there if needed.

Load layers – Loads the layer tree preset of the selected image.

Load V-Ray settings – Loads the V-Ray settings used for the saved render.

Compare V-Ray settings – Opens the Compare V-Ray settings dialogue, where you can compare the render setups of saved renders.

Image Info – Opens a window containing detailed information about the image, including Aperture, FOV, Target Distance, etc.

Open scene – Opens the rendered scene in the viewport. This option works as long as the initial file path of the scene has not changed after the render.

Copy scene path – Copies the full path to the scene.

Upload image(s) to Chaos Cloud Collaboration – Uploads selected images to Chaos Cloud Collaboration.

Reload history – Re-reads the history image list. This may be needed if the history folder is updated outside of SketchUp (f.e. from another SketchUp session).

 

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The keyboard keys from 1 to 9 can be used to quickly load the first 9 images from the history to the VFB.

UI Text Box
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Manually saved .vrimg files can also be added to the History folder, but they need to be saved with all image channels in one .vrimg file to keep the complete image info.

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Layers

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The New V-Ray Frame Buffer includes a suite of color corrections and tools for adjusting the image. The tools are added as layers and displayed in a layer tree. You can enable or disable a particular tool using the visibility icon () to the left of its name.

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Creates a layer. Multiple layers of the same type can be added.

Folder –  – Allows grouping multiple layers ;
Background – Adds a background color correction layer;
Render Element – Selects a render element from your image that you can use in compositing. This in folders. This is only available when the the Source layer  layer is set to to Composite;
Constant – Adds a solid color that can be used to achieve an effect on another layer (for example to multiply by the constant);
Exposure – Adds an Exposure color correction layer;
White Balance – Adds a White Balance color correction layer;
Hue/Saturation – Adds .
Filmic tonemap – Contains different types of mapping curves and gamma corrections. Also allows selection of a color space.
Lookup Table – Allows loading a LUT file for color transformations.
Curves – Adds a Curves color correction layer.
Color Balance – Adds a Color Balance color correction layer.
Hue/Saturation – Adds a Hue/Saturation color correction layer;
Color Balance – Adds a Color .
White Balance – Adds a White Balance color correction layer;
Curves – Adds a Curves .
Exposure – Adds an Exposure color correction layer;
Lookup Table – A Lookup Table layer allows loading a LUT file for color transformations;
Filmic Tonemap – Contains different types of mapping curves and gamma corrections. Also allows selection of a color space.
Proportion Guide.
Constant – Adds a solid color that can be used to achieve an effect on another layer (for example to multiply by the constant).
Render element – Selects a render element from your image that you can use in compositing. This is only available when the Source layer is set to Composite.
Background – Adds a background color correction layer.
Proportion Guide – Allows for a number of composition guides to be overlaid on the image. The available guides are Rule of ThirdsDiagonalsGolden RatioCenter Cross, and Custom Grid.

For more information, see the Layers page

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Deletes the selected layer(s).

Saves a layer tree preset.

Loads a layer tree preset.

Quick access to custom layer presets. You must set the path to it in the VFB Settings.

Undo create layer.

Redo create layer.
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Stats
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Stats

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The Stats section provides track reports about the scene, the engine, the devices, the performance, and the memory.

Memory tracking is always enabled and there is no need for configuration.

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Log

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This tab shows the Log report.

There are several view options to select from in the dropdown menu.

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VFB Shortcuts

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These shortcuts navigate through the VFB image. Please note that the VFB window must have the current focus for the shortcuts to have effect:

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