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This page provides detailed information on Viewport Rendering in V-Ray.


Overview

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Viewport Rendering (VPR) is a render output overlay

on top of

visible in SketchUp's viewport. It

is rendered interactively and if scene changes are made, updates the rendered result

updates upon scene updates during interactive rendering It is rendered. VPR can either overlay the entire viewport or render over selected regions.

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UI Paths

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SketchUp Menus Ribbon

||Extensions|| > V-Ray  > Rendering > Render Interactive


||V-Ray for SketchUp Toolbar|| > Render Interactive

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||V-Ray Frame Buffer|| > Start Interactive Rendering

||V-Ray Frame Buffer|| > Region render

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||Window|| > Default Tray > Overlays > V-Ray Viewport Render

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||Extensions|| > V-Ray > Preferences > Viewport Render Opacity

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Workflow

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First, activate the V-Ray Viewport Render in the Overlays menu. Then start an Interactive render.

Adjusting the viewport render region is available with the V-Ray Frame Buffer Region render option.

The Viewport Render Overlay opacity is modified from the Viewport Render Opacity menu option.

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Closing the V-Ray Frame Buffer does not stop the Viewport Render.

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The Render Output does not automatically fit the viewport resolution. Adjust the resolution from the Asset Editor > Render Settings > Render Output and set the Aspect Ratio to Match Viewport. You can either adjust the image's Width and Height to match the Aspect's Width and Height or resize SketchUp's window and press the Update (Image Added) button.

 
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Expand
titleViewport Rendering In Previous SketchUp Versions

Viewport Rendering In Previous SketchUp Versions

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UI Paths

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||V-Ray for SketchUp Toolbar|| > Viewport Render

||V-Ray for SketchUp Toolbar|| > Viewport Render Region


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SketchUp Menus Ribbon

||Extensions|| > V-Ray > Rendering > Viewport Render

||Extensions|| > V-Ray > Rendering > Viewport Render Region

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Viewport Rendering

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Note that the render output does not automatically fit the viewport resolution. If you wish it to do so, go to Asset Editor > Render Settings > Render Output and set the Aspect Ratio to Match Viewport. You can either adjust the image's Width and Height to match the Aspect's Width and Height or resize SketchUp's window and press the Update (Image Modified) button.

Select only a region in the viewport to be interactively rendered from the toolbar button or from the V-Ray Rendering submenu. Multiple regions can be selected while the VPR is running.

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Control of the render overlay opacity is done through Ctrl and ‘+’ or ‘-‘ keyboard shortcuts, so you can decide how much to blend it with the SketchUp regular viewport. 

Shift key adds a region to the existing one, while Ctrl key selects a new region discarding the previous ones.

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Example: Region Viewport Rendering

 

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Example: Reduced render overlay opacity

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Viewport Rendering in SketchUp 2023

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SketchUp Menus Ribbon

||Extensions|| > V-Ray  > Rendering > Render Interactive

||V-Ray for SketchUp Toolbar|| > Render Interactive

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||V-Ray Frame Buffer|| > Start Interactive Rendering

||V-Ray Frame Buffer|| > Region render

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||Window|| > Default Tray > Overlays > V-Ray Viewport Render

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||Extensions|| > V-Ray > Preferences > Viewport Render Opacity

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Workflow

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To start the Viewport render, activate the V-Ray Viewport Render Overlay first. Then start an Interactive render.

Adjusting the viewport render region is available with the V-Ray Frame Buffer Region render option.

The Viewport Render Overlay opacity is modified from the Viewport Render Opacity menu option.

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Note that closing the V-Ray Frame Buffer does not stop the Viewport render.

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Notes

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  • Use 'Ctrl' plus '+' or '-' key combination to control overlay opacity.
  • V-Ray Vision is an alternative to the Viewport rendering and can be used instead. However, V-Ray Vision is currently not directly available in the viewport.
  • The Always face camera option of SketchUp components is disregarded during Live Link.
  • Procedural textures are now displayed within the viewport.