White spots or strange lights with High Setting

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Fletch
Posts: 10271
Joined: Fri Mar 20, 2009 2:41 pm
OS: PC 64bit
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White spots or strange lights with High Setting

Post by Fletch » Tue Sep 12, 2017 8:49 pm

Sometimes when you render with Easy 06 High or Easy 07 High+ strange lights or odd spot lights or white spots appear in the image. This is due to low caustics settings.

If you are a Twilight Render V2 Pro user, you can easily edit the setting to create a version with Caustics disabled.
  1. Highlight/select the "High" easy render setting
  2. Choose to edit the setting with the edit button
  3. Find the Caustics value and set to "0" by clicking the red word "Value" and then unchecking the "true" box.
  4. Choose to "Save as" and place in this location giving it a clear name:
    Windows: C:\ProgramData\TwilightV2\RenderSettings
    OSX: "~Library > Application Support > TwilightV2 > Render Settings"
  5. Then to render with the updated render setting press the "Refresh" button in the render settings pull-down menu
  6. go to the "Custom" settings to choose the updated setting as you named it.
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JPost
Posts: 4
Joined: Wed Apr 25, 2018 7:51 pm
OS: Windows
SketchUp: Pro 2018

Re: White spots or strange lights with High Setting

Post by JPost » Sat Apr 28, 2018 7:01 pm

Thank you so much for that information!
I´ve tried so many ways to get rid of those spots... I have tried different light settings and so on. And finally i know how to do it. Thank you! :)

rritch
Posts: 3
Joined: Wed Nov 14, 2018 11:48 am

Re: White spots or strange lights with High Setting

Post by rritch » Wed Nov 14, 2018 12:09 pm

Is there a way to disable caustics in the hobby version?

Chris
Posts: 4830
Joined: Sun Mar 08, 2009 3:00 am
OS: Win10
SketchUp: 2016

Re: White spots or strange lights with High Setting

Post by Chris » Wed Nov 14, 2018 3:39 pm

You can follow the steps above to disable caustics but you will have to manually edit the render settings file in a text editor. You should be able to find the render settings at "~Library > Application Support > TwilightV2 > Render Settings"

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