Viewport Rendering (VPR) is a render output overlay on top of SketchUp's viewport. It is rendered interactively and if scene changes are made, updates the rendered result. VPR can either overlay the entire viewport or render over selected regions.
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||V-Ray for SketchUp Toolbar|| > Viewport Render
||V-Ray for SketchUp Toolbar|| >Viewport Render Region
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 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 () 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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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 Interactive rendering and Live Link.
