FAQ - Problems with rendering

Answers to typical questions regarding problems with rendering something

I can see bright pixels in grass!
I can see bright pixels in grass! In case the bright spots are caused by sun being reflected by the grass blades, this is a physically correct phenomenon ...
Mon, 2 Oct, 2017 at 3:18 PM
My displacement has huge spikes or is invisible!
My displacement has huge spikes or is invisible! Too pronounced or barely visible displacement in rendering may indicate wrong displacement setting...
Wed, 4 Nov, 2015 at 3:28 PM
I can see noise in the corners of my scene!
I can see noise in the corners of my scene! If you can see single white pixels (fireflies) in the corners of your scene (for example in a room) when you...
Mon, 19 Jun, 2017 at 3:44 PM
Excessive noise
Excessive noise Subtle high-frequency noise is normal for Corona and other path-tracing renderers, especially at the beginning of the rendering ...
Fri, 10 Apr, 2015 at 1:24 PM
Depth of field is not working for me!
Depth of field is not working for me! Since Corona Renderer 1.5 depth of field has been disabled for free views to provide as smooth as possible exp...
Tue, 25 Apr, 2017 at 10:39 AM
My rendering is too bright or too dark!
My rendering is too bright or too dark! If your rendering is under- or overexposed, this may be caused by: 1. Wrong exposure parameters ...
Tue, 24 Feb, 2015 at 6:07 PM
I cannot find Specular Render Element
I cannot find Specular Render Element Corona Renderer, as opposed to other rendering engines, does not support fake specular reflections. The visual...
Wed, 21 Jan, 2015 at 5:42 PM
Depth of field does not work with 3ds Max 2016 physical camera!
Depth of field does not work with 3ds Max 2016 physical camera! In some cases enabling Depth of Field in render settings is not enough to make it work. I...
Wed, 6 Jul, 2016 at 11:11 AM
Objects came out red in the rendering!
Objects came out red in the rendering! This means you are using materials that are not supported by Corona. What you see is a warning overlay inform...
Mon, 15 Feb, 2016 at 10:06 AM
Exposure changes when I start rendering!
Exposure changes when I start rendering! This is related to the Max sample intensity (MSI) parameter.  See: MSI The Max sample intensity ...
Mon, 6 Apr, 2015 at 3:42 PM