Allura Batch

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Allura GPU for SketchUp - Powered by NVIDIA Iray® performs its rendering in a separate process, called Allura Batch


Rendering

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  • Start / Pause / Restart - Start, Pause or Restart a rendering after making chances to settings

Indirect Lighting

(Interactive Mode Only) - No, or less, Indirect Lighting will speed up the rendering while navigating, etc.
  • None
  • Coarse
  • Fine

Brightness - increase or decrease the overall brighness of the rendered image.

Stop After

  • Samples - Stop rendering after this many samples (uncheck to just keep rendering)
  • Minutes - Stop rendering after this many minutes (uncheck to just keep rendering)

Stop After

  • No Limit - Just keep rendering, improving the rendered image after each patch - until stopped by the user.
  • Passes - Stop rendering after this many passes (set to 0 to disable)
  • Minutes - Stop rendering after this many minutes (set to 0 to disable)


Navigation

Iray+ has the ability to orbit, pan and zoom on the model, it will automatically restart the rendering, to render in the new view.


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  • 1-1 - displays the rendered image at the screen resolution you have chosen.
  • Fill Window - expands or contracts the rendered image to fit or fill the sive of the rendering window.
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  • Original View - will return to the original view you have when you started rendering from SketchUp.
  • Fit Model - will zoom out so that all geometry is visible in the rendering.
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  • Pan - shifts the camera as you drag the left mouse button.
  • Orbit - lets you rotate and orbit the view with by dragging with the left mouse button
  • Look - rotates the camera right and left as you drag the mouse.
  • Walk - walk towards or away from the model
  • Off - turns navigation off so that you do not accidentally change the view and restart the rendering.


You can use the mouse wheel to zoom in or out.
Every time you change the view, Allura restarts the rendering - this will be much more responsive in Interactive more rather than Photoreal mode.

Tone

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In addition to Brightness, you can change the Burn, Blacks, and Saturation:

  • Burn Highlights - controls how the brighter parts of the image are handled, and how much of these highlights are compressed and brought into the tonal range of the tone mapped image.
The maximum value of 100 will give no compression to the highlights, resulting in a narrow dynamic range for the image — this would be more suited to a scene with very even lighting.
A value of 0 results in all highlights being compressed into the tonal range of the image, resulting in a very wide dynamic range and no over-exposure — this would be more suited to scenes with large brightness differences between lit and unlit areas, such as dark shadows and full sunlight. A good default value is 50.
  • Blacks - pushes low intensities towards black. Thus, shadow areas are darkened and image contrast is increased, while (hopefully) avoiding losing the shadow detail altogether. The minimum value of 0.0 disables the effect. 25 is a good default.
  • Saturation - Controls the intensity of colors in the rendered image. Compressing bright colors inherently causes them to become less saturated. Sometimes very strong compressions can cause the image to become unappealing. This setting allows artistic control over the final image saturation. A value of 50 is the standard “unmodified” saturation. Higher values increase the intensity of colors, while lower values decrease the intensity of colors.

File

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Each of these items is also available in the Quick Access Toolbar at the upper left.

  • Save - Saves the rendered image to the disk.
  • Copy - Copies the rendered image to clipboard
  • Stats - Load a list of settings and materials used while rendering/
This handy when discussing problems with us.

See also

Iray® is a registered trademark of NVIDIA Corporation