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VRay.com - Your source for all things VRay  ::  VRay for SketchUp  ::  Manual  ::  Caustics

VRay for SketchUp Manual

VRay for SketchUp Manual

Caustics

What are Caustics?

Caustic is a lighting phenomena created by some materials, for example, metal, glass and liquid which either reflect or refract light around the object. This happens when the light becomes focused by the materials resulting in a pattern of bright light.

Caustic examples

Open file: Chairs-Caustics-01.skp, open V-Ray for SketchUp's Render Options. Pull down the Caustic control panel at the bottom. Check the on to open the Caustic effect.

Setting up Caustics in V-Ray for SketchUp

At the beginning of the render the progress window will say that it is calculating caustics. Depending on the number of lights and the caustic subdivisions of each light this process may be very quick or take a few minutes.

Setting up Caustics in V-Ray for SketchUp

Examples

Image on the left is rendered without Caustic effect. Image on the right is rendered with it. The values of Max Photons, multiplier, and Caustic Subdivs are all using default setting. With the image on the left you can see a slight caustics effect. This is due to the Affect Shadows option. This option is actually trying to fake the caustics effect seen on the right.

Caustic examples

Go back to the Caustic's control panel. Render it again with the Max Photons changed from 50 to 300, as the image on the right. Compare with the image below and you will find the Caustic effect is greater this time and smoother.

Usually it's easier to spot the Caustic effect in a darker scene. If the scene is brighter, you can try increase the Multiplier to offset the difference.

Caustic Multiplier settings in V-Ray for SketchUp

Caustic Multiplier render in V-Ray for SketchUp

If you want to control the quality of Caustic even better, other than increase the intensity of light, you can also increase the Subdivs under Sampling from 1000 to 2000 or even higher. But this will increase the prepare time for render Caustic effect.

Image below is rendered with Caustic Subdivs set to 3000, you can see the better quality of Caustic effect in this case.

Caustic Sampling settings in V-Ray for SketchUp

Caustics example in V-Ray for SketchUp


V-Ray 2.0 for SketchUp
V-Ray 2.0 for SketchUp
Now with SketchUp 2016 Support

 
Free Upgrade to 3.0
 
  Purchase a commercial license now and receive a free upgrade to 3.0 when V-Ray 3.0 for SketchUp is officially released.  
 
  Each free upgrade to 3.0 will include the following:
  • 1 Workstation license
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V-Ray 2.0 for SketchUp Update Now Available - Now with SketchUp 2016 Support
Rendering by Jack Dicker


 
  V-Ray 2.0 for SketchUp Update Now Available
 

V-Ray 2.0 for SketchUp has been updated and is fully compatible with SketchUp 2016. Along with improvements to animation and batch rendering, this free update also includes support for Skatter and ArchVision RPCs. This free download is available to all V-Ray 2.0 for SketchUp customers.

Still waiting to move up to V-Ray 2.0 for SketchUp? All V-Ray for SketchUp commercial upgrades and new seats, purchased after November 1, qualify for a free upgrade to V-Ray 3 for SketchUp when available. This free upgrade includes one workstation license plus one render node.


V-Ray 2.0 for SketchUp Now Supports SketchUp 2016
Rendering by Antonio Castro

V-Ray 2.0 for SketchUp has been updated and is fully compatible with SketchUp 2016
Rendering by Nookta




Buy VRay for SketchUp
Buy VRay 2.0 for SketchUp

SketchUp is one of the most widely used and easy to learn 3D Modeling software on the market today. With V-Ray for SketchUp, users now have one of the most powerful rendering tools available to visualize their models with the upmost quality and realism. V-Ray works within the SketchUp environment allowing users to be able to efficiently incorporate the task of rendering within their current workflows.

  Windows Edition   ( Now SketchUp 2016 Compatible )
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(For Windows or Mac), Now SketchUp 2016 Compatible

This product is only available to Faculty members. Please note that this product cannot be used for commercial purposes, and will only be supplied with one licensing dongle and 15 (1 Platform) Educational licenses. It is intended for use in a classroom environment.

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Skatter for SketchUp

Skatter for SketchUp

Skatter for SketchUp
Rendering by Brice Desportes


The Smart SketchUp Plugin For Scattering


Populate your scenes with UNLIMITED Vegetation with TOTAL CONTROL all while SAVING TIME and never leave SKETCHUP!

Skatter is Your Best Friend

From small carpets in a living room to large scale forests, Skatter is designed to help you achieve the final look fast and easy.

Render Unlimited Amounts of Objects

Through its "Render only" feature, Skatter sends all the scattering information directly to the render engines, bypassing Sketchup. That way, you keep a lightweight and responsive file while still being able to render huge amounts of objects.
 

Skatter for SketchUp
Rendering by Mads Bjerre Olesen





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News News

Thursday, February 9, 2017

V-Ray 3.5 for 3ds Max Now Available

V-Ray 3.5 for 3ds Max is a complete lighting and shading solution that can be flawlessly integrated in every 3D artist and designer's workflow. The flagship rendering software has set the industry standard for speed, reliability, ease of use and render quality.


V-Ray 3.5 for 3ds Max Now Available

V-Ray 3.5 for 3ds Max Now Available



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MultiScatter V-Ray Training

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V-Ray Online Training - Rendering by Heba Aboelenen
Rendering by Heba Aboelenen

V-Ray Online Training - Rendering by Monica Pelser
Rendering by Monica Pelser

V-Ray Online Training - Rendering by Ruben Barrera
Rendering by Ruben Barrera


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1: Framing
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V-Ray for Revit Now Available


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