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changes.mady.by.user Gergana Lilkova

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changes.mady.by.user Kristina Gaytandzhieva

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The New VFB is much more than a render image holder window. The new enhanced version provides a higher level of post processing adjustments and ability to modify your scene from inside the new VFB. Here is a list of old and new benefits you should know:

  • 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:
    Set Color Corrections to rendered image and its elements;
    Composite mode for Back to Beauty workflow including layers corrections;
    LightMix control on lights contribution in the rendered image;
    Applying Proportion Guides on the rendered image;
  • Scene editing:
    Can modify actual lights values by transferring updated intensity and color from LightMix mode;
    IPR camera navigation and focus control from inside VFB;
  • Render management:
    Denoiser control;
    Region rendering control;
    Allows you to choose the order in which the buckets are rendered;
    Automatic render resolution adjustment in IPR when the new VFB window is resized;

To use the VFB for rendering, create a V-Ray Renderer node.

New VFB also has some limitations which are listed in the New V-Ray Frame Buffer section below.

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titleUI Path: ||V-Ray Shelf|| > Show VFB
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||V-Ray Shelf|| > Show VFB

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V-Ray menu > Show VFB


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Menu

Menu Options

File

Save current channel – Saves the currently loaded channel to an image file format.

Save all image channels to separate files – Saves all the render elements to separate files.

Save all image channels to single file – Saves the image to a single multi-channel EXR or .vrimg file.

Load image – Opens an image file to be previewed in the V-Ray Frame Buffer.

Batch image processing – Allows processing of multiple .vrimg files with the same layer tree changes at the same time.

Save all image channels to separate files options

Save VFB color corrections to render elements – When enabled, all color corrections are saved to the render channels (as opposed to only the RGB and effectsResult channels).

Batch image processing


Input folder – Specifies a path to start images.

Output folder – Specifies a path for the output images.

Layer preset – Specifies a layer tree corrections preset.

Output filenames suffix – Specifies a suffix added to the output image filenames.

Overwrite existing – Enables overwrite of existing files with the same name in the output folder.

Render

Start interactive rendering – Starts IPR.

Abort rendering – Stops the current rendering.

Render – Starts rendering.

Image

Follow mouse – Renders the closest bucket found to the mouse pointer, when using the bucket image sampler. If the progressive sampler is used, V-Ray samples the closest pixels to the mouse pointer.

Follow mouse – Drag the mouse over the VFB while rendering to change what part of the image is sampled first;
Follow mouse (locked) – Locks the bucket (or sampling) starting point.

Copy current channel to clipboard – Copies the current channel to the clipboard.

Clear image – Clears the contents of the frame buffer. This is useful when starting a new render to prevent confusion with the previous image.

View

Display color space –Specifies the color space, in which the image is displayed.

None – Does not specify a color space;
sRGB – Displays the image in sRGB color space;
OCIO – Displays the image in a color space loaded from an OCIO configuration file. See the VFB OCIO Control through Python for more information;
ICC – Displays the image in a color space loaded from an ICC configuration file;
Gamma 2.2 – Displays the image in Gamma 2.2 color space.

Zoom VFB – Zooms in/out the rendered image in the VFB.

Zoom 50% – Zooms out to 50%;
Zoom 100% – Zooms to 100%. Alternatively, double-click in the VFB with the left mouse button;
Zoom 150% – Zooms in to 150%.
Zoom to fit – Zooms the current image to fit in the VFB. If Render Region is active – zooms to the region.

Channels – Chooses which channels to see.

View red channel – Displays the red channel;
View green channel – Displays the green channel;
View blue channel – Displays the blue channel;
Switch to alpha channel – Displays the alpha channel;
Monochromatic mode –Displays the image in monochromatic mode.

Color clamping – Opens the color clamping submenu options:

Force color clamping – Forces color clamping;
View clamped colors – Displays the clamped colors.

Use pixel aspect – Enables visualization of the pixel aspect ratio.

Flip – Mirrors the image in the VFB. This is a view only option, the flipped image cannot be exported. This function is only active while holding the menu button or the hotkey for the corresponding type of flip. The effect does not interrupt interactive rendering.

Flip horizontally – Mirrors the image horizontally.

Flip vertically – Mirrors the image vertically.

Panorama View – Shows the image in 360° view.

Show History – Shows the History panel.

Show Layers – Shows the Layers panel.

Options

VFB settings – Opens the VFB Settings window where you can adjusts settings for Render View, Render Region, History, Layers, and Shortcuts.

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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 is only available when the Source layer is set 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 a Hue/Saturation color correction layer;
Color Balance – Adds a Color Balance color correction layer;
Curves – Adds a Curves 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.
Integer mask element – Mask is used with integer render elements like VRayRenderID, VRayObjectID, and VRayMtlID Render Elements.
MultiMatte mask element – Mask is based on the MultiMatte Render Element.
Cryptomatte mask element – Mask is based on the VRayCryptyomatte Render Element.
Proportion Guides – Adds a proportion guide layer.

For more information, see the Layers page.

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 various actions related to layers such as create, delete, reorder or modify a layer.

Redo various actions related to layers such as create, delete, reorder or modify a layer.

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