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This tab holds settings related to the Render Region in the VFB.

Thickness – Controls the thickness of the render region hover controls.

Opacity – Adjusts the opacity of the region hover controls in a 0-255 range.

Distance – Controls the distance of the region controls from the render region itself.

Hit Tolerance – Specifies the distance (in pixels) away from the region controls, from which the controls can be picked.

Corner Ratio – Controls the size of the corner controls of the region as a ratio of the region width to its height.

Middle Ratio – Controls the ratio of the side render region controls.

Move Ratio – Controls the move ratio of the render region controls.

Show controls on hover only – When enabled, controls are visible only when hovering over the render region. When disabled, the controls are always visible.

Move the region with the crosshair – Allows moving the region with the crosshair in its center. When disabled, the region is moved with the additional move controls that appear between the controls for resizing the region.

Fill rectangles – When enabled, the region controls have fill. Otherwise, the controls are only drawn as outlines.

Draw Outlines – When enabled, the region controls have outlines.

Show region sizes – When enabled, the size value of all four sides of the render region rectangle is visible.

The History tab controls the render history settings such as location, amount of disk space to use and visibility parameters.

Enabled – Enables/disables render history, where the V-Ray VFB keeps a history of previously rendered images.

Location

Use Project Path – When enabled, creates a new vfb_history folder to use as the History Folder within the current Maya project directory.

History Folder – Specifies the location where render history images are saved as V-Ray Image files (.vrimg).

Max Size on Disk (MBs) – Specifies the maximum amount of disk space to use for the render history images. When the history exceeds the specified amount, the oldest images are deleted.

Auto Save – When enabled, all rendered images are automatically saved to the history.

Auto Save Completed Only – When enabled, all completed rendered images are automatically saved to the history.

Auto Load Layers – When enabled, loading an image from history also loads the layer tree saved with the image.

Position and Thumbnail

Left/Bottom – Specifies the position of the Render History panel.

Min Thumbnail Width – Specifies the minimum width of the thumbnails in the Render History panel. You can additionally specify the image ratio for the thumbnails.

Center/Fit Inside/Fit Outside – Specifies how to fit the thumbnail in the History panel.

Info Font and Background

Font size - resolution and time – Specifies the font size of the resolution and time information on the thumbnail.

Font size - note – Specifies the font size of the notes on the thumbnails.

Font size - shortcut key – Specifies the font size of the 1-9 shortcut keys.

Background opacity - resolution and time – Specifies the opacity of the resolution and time background.

Background opacity - note – Specifies the opacity of the note background.

Background opacity - compare letter – Specifies the opacity of the compare letter background.

Show resolution/time – Specifies whether to show details about resolution and time of the rendered image. You can choose between Never, On History Hover, On Image Hover, and Always. 

Show note/name – Specifies whether to show the name/note at the bottom of the thumbnail. You can choose between Never, On History Hover, On Image Hover, and Always. 

Show shortcut key – Specifies whether to show shortcut keys on the rendered image thumbnail. You can choose between Never, On History Hover, On Image Hover, and Always. 

The Layers tab specifies a location to store the layer tree presets.

Preset path – Shows the path where the layer tree presets are saved.

Browse for Layers path – Specifies path – Specifies a path to save the layer tree presets.

Recent – Shows a list of recently used locations for loading layer tree presets.

Use own image Layer stacks when comparing in History – Disables the Layer panel, so that History A/B/C/D Compare uses the respective Layers setup of each image. When comparing the current render to one from the History panel, editing the Layers setup is available and is applied only to the current render. When comparing images from the History panel, the Layers panel is disabled and editing the Layers tree is not possible.

Image Removed

Image Added

The Shortcuts tab displays a table, containing all shortcuts for VFB actions.

Please note that the VFB window must have the current focus for the shortcuts to take effect.

Enable shortcuts – Enables VFB shortcuts when the VFB window is in focus. When disabled, all Maya shortcuts are expected to take effect, even if the VFB window is in focus.

Configuration profile – Save/load a configuration profile of customized shortcuts. Once saved, VFB uses the configuration profile by default. The file path is available in the Configuration profile field. From the Recent () button, you can switch between recently used config profiles.

New hotkey – Sets a new hotkey by pressing specific key or key combination. If the hotkey has already been assigned to another action, press Resolve conflict to make it available.

Assign – Assigns the key or the key combination to the selected action.

Remove selected – Removes the key or the key combination to the selected action.

Filter by action – Filters the hotkeys by their actions.

Remove all hotkeys – Removes all hotkeys.

Reset all to default – Resets all user-modified hotkeys to the default hotkeys.