This page provides information about the V-Ray Frame Buffer settings.
Overview
The V-Ray Frame Buffer offers options to configure the Render View, Render Region, History and Layers options. The settings mainly control visibility, location of stored renders and presets, amount of disk space to use and navigating within the VFB.
UI Path
||V-Ray Frame Buffer|| > Options menu
Render View
The Render View tab controls zooming, panning and comparing of rendered images.
Zoom
Zoom Multiplier – Multiplies the zoom for one mouse click.
Outside Margin – The fraction of the displayed region allowed to be outside of the displayed image. Useful when panning the image while zoomed in.
Compare
Compare Fit Mode – Specifies how to fit the compared images when their resolutions are not the same. You can choose between Horizontal, Vertical and Center.
Split Hit Tolerance – Specifies a number of pixels around the split lines when deciding they are close enough to be dragged with the mouse.
Zoom on split – When enabled, zooming in/out, while in history compare mode, is centered around the split position(s).
Keyboard Pan
Use VFB 3.x keyboard pan – When enabled, keyboard pan is in image pixels. When disabled, keyboard pan is in fractions of the displayed image.
Keyboard pan display fraction – Specifies the number of pixels (or fraction of the image) to pan with the keyboard.
Keyboard pan shift multiplier – Specifies a multiplier for the pan amount when the Shift key is pressed.
Render Region
The Render Region tab controls the visibility of the render region controls within the VFB.
Thickness – Controls the thickness of the render region controls.
Distance – Controls the distance of the render region controls.
Hit Tolerance – Controls the hit tolerance of the render region controls.
Corner Ratio – Controls the ratio of the corner render region controls.
Middle Ratio – Controls the ratio of the middle render region controls.
Move Ratio – Controls the move ratio of the render region controls.
Show controls on hover only – When enabled, controls are shown only when hovering over the render region. When disabled, the controls are always shown.
Move the region with the crosshair – When enabled, you can move the render region within the VFB. When disabled, you create a new render region each time you drag in the VFB.
Fill rectangles – When enabled, render region controls are accompanied by rectangles for easier navigation.
Draw Outlines – When enabled, rectangle controls have outlines.
Draw Hit Rectangles – When enabled, hit rectangles are visible. Dragging or clicking within the hit rectangle changes the width and height of the render region.
History
The History tab controls the render history settings such as location, amount of disk space to use and visibility parameters.
Enable – 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 3ds Max 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 image are automatically saved to the history.
Auto Save Completed Only – When enabled, only completed rendered images are automatically saved to the history.
Auto Load Layers – When enabled, layer tree presets saved in the stored image are automatically loaded into the Layers panel.
Resize on load – When enabled, the VFB is automatically resized to fit the loaded image.
Position and Thumbnail
Left/Bottom – Specifies the position of the Render History panel. It can be located either to the left or at the bottom of the VFB.
Min Thumbnail Width – Specifies the minimum width of the thumbnails in the Render History panel.
Center – Places the thumbnail center at the center of its Render History panel slot.
Fit Inside – If the thumbnail is bigger than its slot in the Render History panel, it is squeezed to fit the slot.
Fit Outside – If the thumbnail is bigger than its slot in the Render History panel, only the part that fits is visible on the thumbnail.
Cell Margins
Cell margin-left – Specifies the margin on the left of the thumbnail in the Render History panel.
Cell margin-top – Specifies the margin on top of the thumbnail in the Render History panel.
Cell margin-right – Specifies the margin on the right of the thumbnail in the Render History panel.
Cell margin-bottom – Specifies the bottom margin for the thumbnail in the Render 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.
Layers
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 a path to save the layer tree presets.
Recent – Shows a list of recently used layer tree presets.